[PATCH 0/8] Adding NV12 support for BXT display

[PATCH 0/8] Adding NV12 support for BXT display

[Vidya Srinivas]

This patch series is adding NV12 support for Broxton display after
rebasing on latest drm-intel-nightly. Initial series of the patches
can be found here:
https://lists.freedesktop.org/archives/intel-gfx/2015-May/066786.html

Feature has been currently tested with custom linux based test tool
IGT test development is under progress. Floating these patches for
initial review. These NV12 patches are dependent on Ville's patches
mentioned below.

Update from last rev:
Patches were initial reviewed last when floated but
currently there was a design change with respect to
- the way fb offset is handled
- the way rotation is handled
Rebase of the current NV12 patch series has been done as per the
current changes on drm-intel-nightly.
Review comments from Ville (12th June 2017) have been addressed
Review comments from Clinton A Taylor (7th July 2017) have been
addressed
Review comments from Clinton A Taylor (10th July 2017) have been
addressed. Had missed out tested-by/reviewed-by in the patches.
Fixed that error in this series.
Review comments from Ville (11th July 2017) addressed.

Chandra Konduru (6):
  drm/i915: Set scaler mode for NV12
  drm/i915: Update format_is_yuv() to include NV12
  drm/i915: Upscale scaler max scale for NV12
  drm/i915: Add NV12 as supported format for primary plane
  drm/i915: Add NV12 as supported format for sprite plane
  drm/i915: Add NV12 support to intel_framebuffer_init

Ville Syrjälä (2):
  drm/i915: Implement .get_format_info() hook for CCS
  SKL+ display engine can scan out certain kinds of compressed surfaces
    produced by the render engine. This involved telling the display
    engine the location of the color control surfae (CCS) which
    describes which parts of the main surface are compressed and which
    are not. The location of CCS is provided by userspace as just
    another plane with its own offset.

 drivers/gpu/drm/i915/i915_reg.h      |  24 +++
 drivers/gpu/drm/i915/intel_atomic.c  |   8 +-
 drivers/gpu/drm/i915/intel_display.c | 345 ++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_drv.h     |   3 +-
 drivers/gpu/drm/i915/intel_pm.c      |  29 ++-
 drivers/gpu/drm/i915/intel_sprite.c  |  38 +++-
 include/uapi/drm/drm_fourcc.h        |  20 ++
 7 files changed, 428 insertions(+), 39 deletions(-)

-- 
1.9.1

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[PATCH 1/8] drm/i915: Implement .get_format_info() hook for CCS

[Vidya Srinivas]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

SKL+ display engine can scan out certain kinds of compressed surfaces
produced by the render engine. This involved telling the display engine
the location of the color control surfae (CCS) which describes which
parts of the main surface are compressed and which are not. The location
of CCS is provided by userspace as just another plane with its own offset.

By providing our own format information for the CCS formats, we should
be able to make framebuffer_check() do the right thing for the CCS
surface as well.

Note that we'll return the same format info for both Y and Yf tiled
format as that's what happens with the non-CCS Y vs. Yf as well. If
desired, we could potentially return a unique pointer for each
pixel_format+tiling+ccs combination, in which case we immediately be
able to tell if any of that stuff changed by just comparing the
pointers. But that does sound a bit wasteful space wise.

v2: Drop the 'dev' argument from the hook
	v3: Include the description of the CCS surface layout
v4: Pretend CCS tiles are regular 128 byte wide Y tiles (Jason)

Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net> (v3)
Signed-off-by: Ville Syrjä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 43 ++++++++++++++++++++++++++++++++++++
 include/uapi/drm/drm_fourcc.h        | 20 +++++++++++++++++
 2 files changed, 63 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6c823cc..e922140 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2428,6 +2428,48 @@ static unsigned int intel_fb_modifier_to_tiling(uint64_t fb_modifier)
 	}
 }
 
+/*
+ * 1 byte of CCS actually corresponds to 16x8 pixels on the main
+ * surface, and the memory layout for the CCS tile us 64x64 bytes.
+ * But since we're pretending the CCS tile is 128 bytes wide we
+ * adjust hsub/vsub here accordingly to 8x16 so that the
+ * bytes<->x/y conversions come out correct.
+ */
+static const struct drm_format_info ccs_formats[] = {
+	{ .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 2, .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, },
+	{ .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 2, .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, },
+	{ .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 2, .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, },
+	{ .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2, .cpp = { 4, 1, }, .hsub = 8, .vsub = 16, },
+};
+
+static const struct drm_format_info *
+lookup_format_info(const struct drm_format_info formats[],
+		   int num_formats, u32 format)
+{
+	int i;
+
+	for (i = 0; i < num_formats; i++) {
+		if (formats[i].format == format)
+			return &formats[i];
+	}
+
+	return NULL;
+}
+
+static const struct drm_format_info *
+intel_get_format_info(const struct drm_mode_fb_cmd2 *cmd)
+{
+	switch (cmd->modifier[0]) {
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
+		return lookup_format_info(ccs_formats,
+					  ARRAY_SIZE(ccs_formats),
+					  cmd->pixel_format);
+	default:
+		return NULL;
+	}
+}
+
 static int
 intel_fill_fb_info(struct drm_i915_private *dev_priv,
 		   struct drm_framebuffer *fb)
@@ -13639,6 +13681,7 @@ static void intel_atomic_state_free(struct drm_atomic_state *state)
 
 static const struct drm_mode_config_funcs intel_mode_funcs = {
 	.fb_create = intel_user_framebuffer_create,
+	.get_format_info = intel_get_format_info,
 	.output_poll_changed = intel_fbdev_output_poll_changed,
 	.atomic_check = intel_atomic_check,
 	.atomic_commit = intel_atomic_commit,
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 7586c46..238658f 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -253,6 +253,26 @@
 #define I915_FORMAT_MOD_Yf_TILED fourcc_mod_code(INTEL, 3)
 
 /*
+ * Intel color control surface (CCS) for render compression
+ *
+ * The framebuffer format must be one of the 8:8:8:8 RGB formats.
+ * The main surface will be plane index 0 and must be Y/Yf-tiled,
+ * the CCS will be plane index 1.
+ *
+ * Each CCS tile matches a 1024x512 pixel area of the main surface.
+ * To match certain aspects of the 3D hardware the CCS is
+ * considered to be made up of normal 128Bx32 Y tiles, Thus
+ * the CCS pitch must be specified in multiples of 128 bytes.
+ *
+ * In reality the CCS tile appears to be a 64Bx64 Y tile, composed
+ * of QWORD (8 bytes) chunks instead of OWORD (16 bytes) chunks.
+ * But that fact is not relevant unless the memory is accessed
+ * directly.
+ */
+#define I915_FORMAT_MOD_Y_TILED_CCS	fourcc_mod_code(INTEL, 4)
+#define I915_FORMAT_MOD_Yf_TILED_CCS	fourcc_mod_code(INTEL, 5)
+
+/*
  * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
  *
  * Macroblocks are laid in a Z-shape, and each pixel data is following the
-- 
1.9.1

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[PATCH 2/8] SKL+ display engine can scan out certain kinds of compressed surfaces produced by the render engine. This involved telling the display engine the location of the color control surfae (CCS) which describes which parts of the main surface are compressed and which are not. The location of CCS is provided by userspace as just another plane with its own offset.

[Vidya Srinivas]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Add the required stuff to validate the user provided AUX plane metadata
and convert the user provided linear offset into something the hardware
can consume.

Due to hardware limitations we require that the main surface and
the AUX surface (CCS) be part of the same bo. The hardware also
makes life hard by not allowing you to provide separate x/y offsets
for the main and AUX surfaces (excpet with NV12), so finding suitable
offsets for both requires a bit of work. Assuming we still want keep
playing tricks with the offsets. I've just gone with a dumb "search
backward for suitable offsets" approach, which is far from optimal,
but it works.

Also not all planes will be capable of scanning out compressed surfaces,
and eg. 90/270 degree rotation is not supported in combination with
decompression either.

This patch may contain work from at least the following people:
	 * Vandana Kannan <vandana.kannan@intel.com>
	 * Daniel Vetter <daniel@ffwll.ch>
	 * Ben Widawsky <ben@bwidawsk.net>

v2: Deal with display workarounds 0390, 0531, 1125 (Paulo)
v3: Pretend CCS tiles are regular 128 byte wide Y tiles (Jason)
	Put the AUX register defines to the correct place
	Fix up the slightly bogus rotation check
	v4: Use I915_WRITE_FW() due to plane update locking changes
	s/return -EINVAL/goto err/ in intel_framebuffer_init()
	Eliminate a bunch hardcoded numbers in CCS code

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Ville Syrjä <ville.syrjala@linux.intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net> (v1)
---
 drivers/gpu/drm/i915/i915_reg.h      |  23 ++++
 drivers/gpu/drm/i915/intel_display.c | 234 ++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_pm.c      |  29 ++++-
 drivers/gpu/drm/i915/intel_sprite.c  |   5 +
 4 files changed, 273 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index c712d01..cea4f94 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6106,6 +6106,10 @@ enum {
 #define _PLANE_KEYMSK_2_A			0x70298
 #define _PLANE_KEYMAX_1_A			0x701a0
 #define _PLANE_KEYMAX_2_A			0x702a0
+#define _PLANE_AUX_DIST_1_A			0x701c0
+#define _PLANE_AUX_DIST_2_A			0x702c0
+#define _PLANE_AUX_OFFSET_1_A			0x701c4
+#define _PLANE_AUX_OFFSET_2_A			0x702c4
 #define _PLANE_COLOR_CTL_1_A			0x701CC /* GLK+ */
 #define _PLANE_COLOR_CTL_2_A			0x702CC /* GLK+ */
 #define _PLANE_COLOR_CTL_3_A			0x703CC /* GLK+ */
@@ -6212,6 +6216,24 @@ enum {
 #define PLANE_NV12_BUF_CFG(pipe, plane)	\
 	_MMIO_PLANE(plane, _PLANE_NV12_BUF_CFG_1(pipe), _PLANE_NV12_BUF_CFG_2(pipe))
 
+#define _PLANE_AUX_DIST_1_B		0x711c0
+#define _PLANE_AUX_DIST_2_B		0x712c0
+#define _PLANE_AUX_DIST_1(pipe) \
+			_PIPE(pipe, _PLANE_AUX_DIST_1_A, _PLANE_AUX_DIST_1_B)
+#define _PLANE_AUX_DIST_2(pipe) \
+			_PIPE(pipe, _PLANE_AUX_DIST_2_A, _PLANE_AUX_DIST_2_B)
+#define PLANE_AUX_DIST(pipe, plane)     \
+	_MMIO_PLANE(plane, _PLANE_AUX_DIST_1(pipe), _PLANE_AUX_DIST_2(pipe))
+
+#define _PLANE_AUX_OFFSET_1_B		0x711c4
+#define _PLANE_AUX_OFFSET_2_B		0x712c4
+#define _PLANE_AUX_OFFSET_1(pipe)       \
+		_PIPE(pipe, _PLANE_AUX_OFFSET_1_A, _PLANE_AUX_OFFSET_1_B)
+#define _PLANE_AUX_OFFSET_2(pipe)       \
+		_PIPE(pipe, _PLANE_AUX_OFFSET_2_A, _PLANE_AUX_OFFSET_2_B)
+#define PLANE_AUX_OFFSET(pipe, plane)   \
+	_MMIO_PLANE(plane, _PLANE_AUX_OFFSET_1(pipe), _PLANE_AUX_OFFSET_2(pipe))
+
 #define _PLANE_COLOR_CTL_1_B			0x711CC
 #define _PLANE_COLOR_CTL_2_B			0x712CC
 #define _PLANE_COLOR_CTL_3_B			0x713CC
@@ -6695,6 +6717,7 @@ enum {
 # define CHICKEN3_DGMG_DONE_FIX_DISABLE		(1 << 2)
 
 #define CHICKEN_PAR1_1		_MMIO(0x42080)
+#define  SKL_RC_HASH_OUTSIDE	(1 << 15)
 #define  DPA_MASK_VBLANK_SRD	(1 << 15)
 #define  FORCE_ARB_IDLE_PLANES	(1 << 14)
 #define  SKL_EDP_PSR_FIX_RDWRAP	(1 << 3)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e922140..2d3069c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1994,11 +1994,19 @@ static unsigned int intel_tile_size(const struct drm_i915_private *dev_priv)
 			return 128;
 		else
 			return 512;
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+		if (plane == 1)
+			return 128;
+		/* fall through */
 	case I915_FORMAT_MOD_Y_TILED:
 		if (IS_GEN2(dev_priv) || HAS_128_BYTE_Y_TILING(dev_priv))
 			return 128;
 		else
 			return 512;
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
+		if (plane == 1)
+			return 128;
+		/* fall through */
 	case I915_FORMAT_MOD_Yf_TILED:
 		switch (cpp) {
 		case 1:
@@ -2105,7 +2113,7 @@ static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
 	struct drm_i915_private *dev_priv = to_i915(fb->dev);
 
 	/* AUX_DIST needs only 4K alignment */
-	if (fb->format->format == DRM_FORMAT_NV12 && plane == 1)
+	if (plane == 1)
 		return 4096;
 
 	switch (fb->modifier) {
@@ -2115,6 +2123,8 @@ static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
 		if (INTEL_GEN(dev_priv) >= 9)
 			return 256 * 1024;
 		return 0;
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
 	case I915_FORMAT_MOD_Y_TILED:
 	case I915_FORMAT_MOD_Yf_TILED:
 		return 1 * 1024 * 1024;
@@ -2422,6 +2432,7 @@ static unsigned int intel_fb_modifier_to_tiling(uint64_t fb_modifier)
 	case I915_FORMAT_MOD_X_TILED:
 		return I915_TILING_X;
 	case I915_FORMAT_MOD_Y_TILED:
+	case I915_FORMAT_MOD_Y_TILED_CCS:
 		return I915_TILING_Y;
 	default:
 		return I915_TILING_NONE;
@@ -2493,6 +2504,36 @@ static unsigned int intel_fb_modifier_to_tiling(uint64_t fb_modifier)
 
 		intel_fb_offset_to_xy(&x, &y, fb, i);
 
+		if ((fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
+		     fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS) && i == 1) {
+			int hsub = fb->format->hsub;
+			int vsub = fb->format->vsub;
+			int tile_width, tile_height;
+			int main_x, main_y;
+			int ccs_x, ccs_y;
+
+			intel_tile_dims(fb, i, &tile_width, &tile_height);
+
+			ccs_x = (x * hsub) % (tile_width * hsub);
+			ccs_y = (y * vsub) % (tile_height * vsub);
+			main_x = intel_fb->normal[0].x % (tile_width * hsub);
+			main_y = intel_fb->normal[0].y % (tile_height * vsub);
+
+			/*
+			 * CCS doesn't have its own x/y offset register, so the intra CCS tile
+			 * x/y offsets must match between CCS and the main surface.
+			 */
+			if (main_x != ccs_x || main_y != ccs_y) {
+				DRM_DEBUG_KMS("Bad CCS x/y (main %d,%d ccs %d,%d) full (main %d,%d ccs %d,%d)\n",
+					      main_x, main_y,
+					      ccs_x, ccs_y,
+					      intel_fb->normal[0].x,
+					      intel_fb->normal[0].y,
+					      x, y);
+				return -EINVAL;
+			}
+		}
+
 		/*
 		 * The fence (if used) is aligned to the start of the object
 		 * so having the framebuffer wrap around across the edge of the
@@ -2853,6 +2894,9 @@ static int skl_max_plane_width(const struct drm_framebuffer *fb, int plane,
 			break;
 		}
 		break;
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
+		/* FIXME AUX plane? */
 	case I915_FORMAT_MOD_Y_TILED:
 	case I915_FORMAT_MOD_Yf_TILED:
 		switch (cpp) {
@@ -2875,6 +2919,44 @@ static int skl_max_plane_width(const struct drm_framebuffer *fb, int plane,
 	return 2048;
 }
 
+static bool skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state,
+					   int main_x, int main_y, u32 main_offset)
+{
+	const struct drm_framebuffer *fb = plane_state->base.fb;
+	int hsub = fb->format->hsub;
+	int vsub = fb->format->vsub;
+	int aux_x = plane_state->aux.x;
+	int aux_y = plane_state->aux.y;
+	u32 aux_offset = plane_state->aux.offset;
+	u32 alignment = intel_surf_alignment(fb, 1);
+
+	while (aux_offset >= main_offset && aux_y <= main_y) {
+		int x, y;
+
+		if (aux_x == main_x && aux_y == main_y)
+			break;
+
+		if (aux_offset == 0)
+			break;
+
+		x = aux_x / hsub;
+		y = aux_y / vsub;
+		aux_offset = intel_adjust_tile_offset(&x, &y, plane_state, 1,
+						      aux_offset, aux_offset - alignment);
+		aux_x = x * hsub + aux_x % hsub;
+		aux_y = y * vsub + aux_y % vsub;
+	}
+
+	if (aux_x != main_x || aux_y != main_y)
+		return false;
+
+	plane_state->aux.offset = aux_offset;
+	plane_state->aux.x = aux_x;
+	plane_state->aux.y = aux_y;
+
+	return true;
+}
+
 static int skl_check_main_surface(struct intel_plane_state *plane_state)
 {
 	const struct drm_framebuffer *fb = plane_state->base.fb;
@@ -2917,7 +2999,7 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
 
 		while ((x + w) * cpp > fb->pitches[0]) {
 			if (offset == 0) {
-				DRM_DEBUG_KMS("Unable to find suitable display surface offset\n");
+				DRM_DEBUG_KMS("Unable to find suitable display surface offset due to X-tiling\n");
 				return -EINVAL;
 			}
 
@@ -2926,6 +3008,26 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
 		}
 	}
 
+	/*
+	 * CCS AUX surface doesn't have its own x/y offsets, we must make sure
+	 * they match with the main surface x/y offsets.
+	 */
+	if (fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
+	    fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS) {
+		while (!skl_check_main_ccs_coordinates(plane_state, x, y, offset)) {
+			if (offset == 0)
+				break;
+
+			offset = intel_adjust_tile_offset(&x, &y, plane_state, 0,
+							  offset, offset - alignment);
+		}
+
+		if (x != plane_state->aux.x || y != plane_state->aux.y) {
+			DRM_DEBUG_KMS("Unable to find suitable display surface offset due to CCS\n");
+			return -EINVAL;
+		}
+	}
+
 	plane_state->main.offset = offset;
 	plane_state->main.x = x;
 	plane_state->main.y = y;
@@ -2962,6 +3064,50 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
 	return 0;
 }
 
+static int skl_check_ccs_aux_surface(struct intel_plane_state *plane_state)
+{
+	struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+	struct intel_crtc *crtc = to_intel_crtc(plane_state->base.crtc);
+	const struct drm_framebuffer *fb = plane_state->base.fb;
+	int src_x = plane_state->base.src.x1 >> 16;
+	int src_y = plane_state->base.src.y1 >> 16;
+	int hsub = fb->format->hsub;
+	int vsub = fb->format->vsub;
+	int x = src_x / hsub;
+	int y = src_y / vsub;
+	u32 offset;
+
+	switch (plane->id) {
+	case PLANE_PRIMARY:
+	case PLANE_SPRITE0:
+		break;
+	default:
+		DRM_DEBUG_KMS("RC support only on plane 1 and 2\n");
+		return -EINVAL;
+	}
+
+	if (crtc->pipe == PIPE_C) {
+		DRM_DEBUG_KMS("No RC support on pipe C\n");
+		return -EINVAL;
+	}
+
+	if (plane_state->base.rotation & ~(DRM_MODE_ROTATE_0 |
+			DRM_MODE_ROTATE_180)) {
+		DRM_DEBUG_KMS("RC support only with 0/180 degree rotation %x\n",
+			      plane_state->base.rotation);
+		return -EINVAL;
+	}
+
+	intel_add_fb_offsets(&x, &y, plane_state, 1);
+	offset = intel_compute_tile_offset(&x, &y, plane_state, 1);
+
+	plane_state->aux.offset = offset;
+	plane_state->aux.x = x * hsub + src_x % hsub;
+	plane_state->aux.y = y * vsub + src_y % vsub;
+
+	return 0;
+}
+
 int skl_check_plane_surface(struct intel_plane_state *plane_state)
 {
 	const struct drm_framebuffer *fb = plane_state->base.fb;
@@ -2985,6 +3131,11 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state)
 		ret = skl_check_nv12_aux_surface(plane_state);
 		if (ret)
 			return ret;
+	} else if (fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
+		   fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS) {
+		ret = skl_check_ccs_aux_surface(plane_state);
+		if (ret)
+			return ret;
 	} else {
 		plane_state->aux.offset = ~0xfff;
 		plane_state->aux.x = 0;
@@ -3291,8 +3442,12 @@ static u32 skl_plane_ctl_tiling(uint64_t fb_modifier)
 		return PLANE_CTL_TILED_X;
 	case I915_FORMAT_MOD_Y_TILED:
 		return PLANE_CTL_TILED_Y;
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+		return PLANE_CTL_TILED_Y | PLANE_CTL_DECOMPRESSION_ENABLE;
 	case I915_FORMAT_MOD_Yf_TILED:
 		return PLANE_CTL_TILED_YF;
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
+		return PLANE_CTL_TILED_YF | PLANE_CTL_DECOMPRESSION_ENABLE;
 	default:
 		MISSING_CASE(fb_modifier);
 	}
@@ -3365,6 +3520,7 @@ static void skylake_update_primary_plane(struct intel_plane *plane,
 	u32 plane_ctl = plane_state->ctl;
 	unsigned int rotation = plane_state->base.rotation;
 	u32 stride = skl_plane_stride(fb, 0, rotation);
+	u32 aux_stride = skl_plane_stride(fb, 1, rotation);
 	u32 surf_addr = plane_state->main.offset;
 	int scaler_id = plane_state->scaler_id;
 	int src_x = plane_state->main.x;
@@ -3401,6 +3557,10 @@ static void skylake_update_primary_plane(struct intel_plane *plane,
 	I915_WRITE_FW(PLANE_OFFSET(pipe, plane_id), (src_y << 16) | src_x);
 	I915_WRITE_FW(PLANE_STRIDE(pipe, plane_id), stride);
 	I915_WRITE_FW(PLANE_SIZE(pipe, plane_id), (src_h << 16) | src_w);
+	I915_WRITE_FW(PLANE_AUX_DIST(pipe, plane_id),
+		      (plane_state->aux.offset - surf_addr) | aux_stride);
+	I915_WRITE_FW(PLANE_AUX_OFFSET(pipe, plane_id),
+		      (plane_state->aux.y << 16) | plane_state->aux.x);
 
 	if (scaler_id >= 0) {
 		uint32_t ps_ctrl = 0;
@@ -8324,10 +8484,16 @@ static void skylake_get_pfit_config(struct intel_crtc *crtc,
 		fb->modifier = I915_FORMAT_MOD_X_TILED;
 		break;
 	case PLANE_CTL_TILED_Y:
-		fb->modifier = I915_FORMAT_MOD_Y_TILED;
+		if (val & PLANE_CTL_DECOMPRESSION_ENABLE)
+			fb->modifier = I915_FORMAT_MOD_Y_TILED_CCS;
+		else
+			fb->modifier = I915_FORMAT_MOD_Y_TILED;
 		break;
 	case PLANE_CTL_TILED_YF:
-		fb->modifier = I915_FORMAT_MOD_Yf_TILED;
+		if (val & PLANE_CTL_DECOMPRESSION_ENABLE)
+			fb->modifier = I915_FORMAT_MOD_Yf_TILED_CCS;
+		else
+			fb->modifier = I915_FORMAT_MOD_Yf_TILED;
 		break;
 	default:
 		MISSING_CASE(tiling);
@@ -13479,10 +13645,12 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 				  struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
+	struct drm_framebuffer *fb = &intel_fb->base;
 	struct drm_format_name_buf format_name;
-	u32 pitch_limit, stride_alignment;
+	u32 pitch_limit;
 	unsigned int tiling, stride;
 	int ret = -EINVAL;
+	int i;
 
 	i915_gem_object_lock(obj);
 	obj->framebuffer_references++;
@@ -13511,6 +13679,19 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 
 	/* Passed in modifier sanity checking. */
 	switch (mode_cmd->modifier[0]) {
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
+		switch (mode_cmd->pixel_format) {
+		case DRM_FORMAT_XBGR8888:
+		case DRM_FORMAT_ABGR8888:
+		case DRM_FORMAT_XRGB8888:
+		case DRM_FORMAT_ARGB8888:
+			break;
+		default:
+			DRM_DEBUG_KMS("RC supported only with RGB8888 formats\n");
+			goto err;
+		}
+		/* fall through */
 	case I915_FORMAT_MOD_Y_TILED:
 	case I915_FORMAT_MOD_Yf_TILED:
 		if (INTEL_GEN(dev_priv) < 9) {
@@ -13615,25 +13796,46 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 	if (mode_cmd->offsets[0] != 0)
 		goto err;
 
-	drm_helper_mode_fill_fb_struct(&dev_priv->drm,
-				       &intel_fb->base, mode_cmd);
+	drm_helper_mode_fill_fb_struct(&dev_priv->drm, fb, mode_cmd);
 
-	stride_alignment = intel_fb_stride_alignment(&intel_fb->base, 0);
-	if (mode_cmd->pitches[0] & (stride_alignment - 1)) {
-		DRM_DEBUG_KMS("pitch (%d) must be at least %u byte aligned\n",
-			      mode_cmd->pitches[0], stride_alignment);
-		goto err;
+	for (i = 0; i < fb->format->num_planes; i++) {
+		u32 stride_alignment;
+
+		if (mode_cmd->handles[i] != mode_cmd->handles[0]) {
+			DRM_DEBUG_KMS("bad plane %d handle\n", i);
+			return -EINVAL;
+		}
+
+		stride_alignment = intel_fb_stride_alignment(fb, i);
+
+		/*
+		 * Display WA #0531: skl,bxt,kbl,glk
+		 *
+		 * Render decompression and plane width > 3840
+		 * combined with horizontal panning requires the
+		 * plane stride to be a multiple of 4. We'll just
+		 * require the entire fb to accommodate that to avoid
+		 * potential runtime errors at plane configuration time.
+		 */
+		if (IS_GEN9(dev_priv) && i == 0 && fb->width > 3840 &&
+		    (fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
+		     fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS))
+			stride_alignment *= 4;
+
+		if (fb->pitches[i] & (stride_alignment - 1)) {
+			DRM_DEBUG_KMS("plane %d pitch (%d) must be at least %u byte aligned\n",
+				      i, fb->pitches[i], stride_alignment);
+			goto err;
+		}
 	}
 
 	intel_fb->obj = obj;
 
-	ret = intel_fill_fb_info(dev_priv, &intel_fb->base);
+	ret = intel_fill_fb_info(dev_priv, fb);
 	if (ret)
 		goto err;
 
-	ret = drm_framebuffer_init(obj->base.dev,
-				   &intel_fb->base,
-				   &intel_fb_funcs);
+	ret = drm_framebuffer_init(&dev_priv->drm, fb, &intel_fb_funcs);
 	if (ret) {
 		DRM_ERROR("framebuffer init failed %d\n", ret);
 		goto err;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 48785ef..85ee779 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -62,6 +62,20 @@ static void gen9_init_clock_gating(struct drm_i915_private *dev_priv)
 	I915_WRITE(CHICKEN_PAR1_1,
 		   I915_READ(CHICKEN_PAR1_1) | SKL_EDP_PSR_FIX_RDWRAP);
 
+	/*
+	 * Display WA#0390: skl,bxt,kbl,glk
+	 *
+	 * Must match Sampler, Pixel Back End, and Media
+	 * (0xE194 bit 8, 0x7014 bit 13, 0x4DDC bits 27 and 31).
+	 *
+	 * Including bits outside the page in the hash would
+	 * require 2 (or 4?) MiB alignment of resources. Just
+	 * assume the defaul hashing mode which only uses bits
+	 * within the page.
+	 */
+	I915_WRITE(CHICKEN_PAR1_1,
+		   I915_READ(CHICKEN_PAR1_1) & ~SKL_RC_HASH_OUTSIDE);
+
 	I915_WRITE(GEN8_CONFIG0,
 		   I915_READ(GEN8_CONFIG0) | GEN9_DEFAULT_FIXES);
 
@@ -4071,7 +4085,9 @@ int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc,
 
 	/* For Non Y-tile return 8-blocks */
 	if (fb->modifier != I915_FORMAT_MOD_Y_TILED &&
-	    fb->modifier != I915_FORMAT_MOD_Yf_TILED)
+	    fb->modifier != I915_FORMAT_MOD_Yf_TILED &&
+	    fb->modifier != I915_FORMAT_MOD_Y_TILED_CCS &&
+	    fb->modifier != I915_FORMAT_MOD_Yf_TILED_CCS)
 		return 8;
 
 	/*
@@ -4377,7 +4393,9 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
 	}
 
 	y_tiled = fb->modifier == I915_FORMAT_MOD_Y_TILED ||
-		  fb->modifier == I915_FORMAT_MOD_Yf_TILED;
+		  fb->modifier == I915_FORMAT_MOD_Yf_TILED ||
+		  fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
+		  fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
 	x_tiled = fb->modifier == I915_FORMAT_MOD_X_TILED;
 
 	/* Display WA #1141: kbl,cfl */
@@ -4472,6 +4490,13 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
 	res_lines = div_round_up_fixed16(selected_result,
 					 plane_blocks_per_line);
 
+	/* Display WA #1125: skl,bxt,kbl,glk */
+	if (level == 0 &&
+	    (fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
+	     fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS))
+		res_blocks += fixed16_to_u32_round_up(y_tile_minimum);
+
+	/* Display WA #1126: skl,bxt,kbl,glk */
 	if (level >= 1 && level <= 7) {
 		if (y_tiled) {
 			res_blocks += fixed16_to_u32_round_up(y_tile_minimum);
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 8e25694..3d704bd 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -238,6 +238,7 @@ void intel_pipe_update_end(struct intel_crtc *crtc)
 	u32 surf_addr = plane_state->main.offset;
 	unsigned int rotation = plane_state->base.rotation;
 	u32 stride = skl_plane_stride(fb, 0, rotation);
+	u32 aux_stride = skl_plane_stride(fb, 1, rotation);
 	int crtc_x = plane_state->base.dst.x1;
 	int crtc_y = plane_state->base.dst.y1;
 	uint32_t crtc_w = drm_rect_width(&plane_state->base.dst);
@@ -272,6 +273,10 @@ void intel_pipe_update_end(struct intel_crtc *crtc)
 	I915_WRITE_FW(PLANE_OFFSET(pipe, plane_id), (y << 16) | x);
 	I915_WRITE_FW(PLANE_STRIDE(pipe, plane_id), stride);
 	I915_WRITE_FW(PLANE_SIZE(pipe, plane_id), (src_h << 16) | src_w);
+	I915_WRITE_FW(PLANE_AUX_DIST(pipe, plane_id),
+		      (plane_state->aux.offset - surf_addr) | aux_stride);
+	I915_WRITE_FW(PLANE_AUX_OFFSET(pipe, plane_id),
+		      (plane_state->aux.y << 16) | plane_state->aux.x);
 
 	/* program plane scaler */
 	if (plane_state->scaler_id >= 0) {
-- 
1.9.1

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[PATCH 3/8] drm/i915: Set scaler mode for NV12

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch sets appropriate scaler mode for NV12 format.
In this mode, skylake scaler does either chroma-upsampling or
chroma-upsampling and resolution scaling

v2: Review comments from Ville addressed
	NV12 case to be checked first for setting
	the scaler

v3: Rebased (me)

v4: Rebased (me)

v5: Missed the Tested-by/Reviewed-by in the previous series
	Adding the same to commit message in this version.

v6: Rebased (me)

Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h     | 1 +
 drivers/gpu/drm/i915/intel_atomic.c | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index cea4f94..d15497f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6390,6 +6390,7 @@ enum {
 #define PS_SCALER_MODE_MASK (3 << 28)
 #define PS_SCALER_MODE_DYN  (0 << 28)
 #define PS_SCALER_MODE_HQ  (1 << 28)
+#define PS_SCALER_MODE_NV12 (2 << 28)
 #define PS_PLANE_SEL_MASK  (7 << 25)
 #define PS_PLANE_SEL(plane) (((plane) + 1) << 25)
 #define PS_FILTER_MASK         (3 << 23)
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index 36d4e63..808f8e6 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -325,7 +325,13 @@ int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
 		}
 
 		/* set scaler mode */
-		if (IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) {
+		if (plane_state && plane_state->base.fb &&
+			plane_state->base.fb->format->format ==
+			DRM_FORMAT_NV12) {
+			DRM_ERROR("NV12 format setting scaler mode\n");
+			scaler_state->scalers[*scaler_id].mode =
+				PS_SCALER_MODE_NV12;
+		} else if (IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) {
 			scaler_state->scalers[*scaler_id].mode = 0;
 		} else if (num_scalers_need == 1 && intel_crtc->pipe != PIPE_C) {
 			/*
-- 
1.9.1

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[PATCH 4/8] drm/i915: Update format_is_yuv() to include NV12

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to format_is_yuv() function
for sprite planes.

v2:
-Use intel_ prefix for format_is_yuv (Ville)

v3: Rebased (me)

v4: Rebased and addressed review comments from Clinton A Taylor.
	"static function in intel_sprite.c is not available
	to the primary plane functions".
	Changed commit message - function modified for
	sprite planes.

v5: Missed the Tested-by/Reviewed-by in the previous series
	Adding the same to commit message in this version.

v6: Rebased (me)

Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 3d704bd..a38b4f3 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -41,13 +41,14 @@
 #include "i915_drv.h"
 
 static bool
-format_is_yuv(uint32_t format)
+intel_format_is_yuv(uint32_t format)
 {
 	switch (format) {
 	case DRM_FORMAT_YUYV:
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
 	case DRM_FORMAT_YVYU:
+	case DRM_FORMAT_NV12:
 		return true;
 	default:
 		return false;
@@ -330,7 +331,7 @@ void intel_pipe_update_end(struct intel_crtc *crtc)
 	enum plane_id plane_id = plane->id;
 
 	/* Seems RGB data bypasses the CSC always */
-	if (!format_is_yuv(format))
+	if (!intel_format_is_yuv(format))
 		return;
 
 	/*
@@ -894,7 +895,7 @@ static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
 		src_y = src->y1 >> 16;
 		src_h = drm_rect_height(src) >> 16;
 
-		if (format_is_yuv(fb->format->format)) {
+		if (intel_format_is_yuv(fb->format->format)) {
 			src_x &= ~1;
 			src_w &= ~1;
 
-- 
1.9.1

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[PATCH 5/8] drm/i915: Upscale scaler max scale for NV12

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch updates scaler max limit support for NV12

v2: Rebased (me)

v3: Rebased (me)

v4: Missed the Tested-by/Reviewed-by in the previous series
	Adding the same to commit message in this version.

v5: Addressed review comments from Ville and rebased
	- calculation of max_scale to be made
	less convoluted by splitting it up a bit
	- Indentation errors to be fixed in the series

Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 33 +++++++++++++++++++++++----------
 drivers/gpu/drm/i915/intel_drv.h     |  3 ++-
 drivers/gpu/drm/i915/intel_sprite.c  |  3 ++-
 3 files changed, 27 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2d3069c..390ef5c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3426,6 +3426,8 @@ static u32 skl_plane_ctl_format(uint32_t pixel_format)
 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY;
 	case DRM_FORMAT_VYUY:
 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY;
+	case DRM_FORMAT_NV12:
+		return PLANE_CTL_FORMAT_NV12;
 	default:
 		MISSING_CASE(pixel_format);
 	}
@@ -4671,7 +4673,8 @@ static void cpt_verify_modeset(struct drm_device *dev, int pipe)
 static int
 skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
 		  unsigned int scaler_user, int *scaler_id,
-		  int src_w, int src_h, int dst_w, int dst_h)
+		  int src_w, int src_h, int dst_w, int dst_h,
+		  uint32_t pixel_format)
 {
 	struct intel_crtc_scaler_state *scaler_state =
 		&crtc_state->scaler_state;
@@ -4687,7 +4690,8 @@ static void cpt_verify_modeset(struct drm_device *dev, int pipe)
 	 * the 90/270 degree plane rotation cases (to match the
 	 * GTT mapping), hence no need to account for rotation here.
 	 */
-	need_scaling = src_w != dst_w || src_h != dst_h;
+	need_scaling = src_w != dst_w || src_h != dst_h ||
+		(pixel_format == DRM_FORMAT_NV12);
 
 	/*
 	 * Scaling/fitting not supported in IF-ID mode in GEN9+
@@ -4763,7 +4767,7 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state)
 	return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX,
 		&state->scaler_state.scaler_id,
 		state->pipe_src_w, state->pipe_src_h,
-		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay);
+		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay, 0);
 }
 
 /**
@@ -4793,7 +4797,8 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 				drm_rect_width(&plane_state->base.src) >> 16,
 				drm_rect_height(&plane_state->base.src) >> 16,
 				drm_rect_width(&plane_state->base.dst),
-				drm_rect_height(&plane_state->base.dst));
+				drm_rect_height(&plane_state->base.dst),
+				fb ? fb->format->format : 0);
 
 	if (ret || plane_state->scaler_id < 0)
 		return ret;
@@ -4819,6 +4824,7 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 	case DRM_FORMAT_YVYU:
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
+	case DRM_FORMAT_NV12:
 		break;
 	default:
 		DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n",
@@ -12674,11 +12680,12 @@ static int intel_atomic_commit(struct drm_device *dev,
 }
 
 int
-skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state)
+skl_max_scale(struct intel_crtc *intel_crtc,
+	struct intel_crtc_state *crtc_state, uint32_t pixel_format)
 {
 	struct drm_i915_private *dev_priv;
-	int max_scale;
-	int crtc_clock, max_dotclk;
+	int max_scale, mult;
+	int crtc_clock, max_dotclk, tmpclk1, tmpclk2;
 
 	if (!intel_crtc || !crtc_state->base.enable)
 		return DRM_PLANE_HELPER_NO_SCALING;
@@ -12700,8 +12707,10 @@ static int intel_atomic_commit(struct drm_device *dev,
 	 *            or
 	 *    cdclk/crtc_clock
 	 */
-	max_scale = min((1 << 16) * 3 - 1,
-			(1 << 8) * ((max_dotclk << 8) / crtc_clock));
+	mult = pixel_format == DRM_FORMAT_NV12 ? 2 : 3;
+	tmpclk1 = (1 << 16) * (mult - 1);
+	tmpclk2 = (1 << 8) * ((max_dotclk << 8) / crtc_clock);
+	max_scale = min(tmpclk1, tmpclk2);
 
 	return max_scale;
 }
@@ -12722,7 +12731,11 @@ static int intel_atomic_commit(struct drm_device *dev,
 		/* use scaler when colorkey is not required */
 		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
 			min_scale = 1;
-			max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state);
+			max_scale = skl_max_scale(to_intel_crtc(crtc),
+						crtc_state,
+						state->base.fb ?
+						state->base.fb->format->format :
+						0);
 		}
 		can_position = true;
 	}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 021cc54..6f9c631 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1456,7 +1456,8 @@ void intel_mode_from_pipe_config(struct drm_display_mode *mode,
 				 struct intel_crtc_state *pipe_config);
 
 int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state);
-int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state);
+int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
+	uint32_t pixel_format);
 
 static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *state)
 {
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index a38b4f3..24f769a 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -817,7 +817,8 @@ static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
 		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
 			can_scale = 1;
 			min_scale = 1;
-			max_scale = skl_max_scale(crtc, crtc_state);
+			max_scale = skl_max_scale(crtc, crtc_state,
+						fb->format->format);
 		} else {
 			can_scale = 0;
 			min_scale = DRM_PLANE_HELPER_NO_SCALING;
-- 
1.9.1

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[PATCH 6/8] drm/i915: Add NV12 as supported format for primary plane

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to list of supported formats for
primary plane

v2: Rebased (Chandra Konduru)

v3: Rebased (me)

v4: Review comments by Ville addressed
	Removed the skl_primary_formats_with_nv12 and
	added NV12 case in existing skl_primary_formats

v5: Rebased (me)

v6: Missed the Tested-by/Reviewed-by in the previous series
	Adding the same to commit message in this version.

v7: Review comments by Ville addressed
	Restricting the NV12 for BXT and on PIPE A and B
	Rebased (me)

Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 27 ++++++++++++++++++++++++---
 1 file changed, 24 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 390ef5c..ed6841f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -82,6 +82,22 @@
 	DRM_FORMAT_VYUY,
 };
 
+static const uint32_t nv12_primary_formats[] = {
+	DRM_FORMAT_C8,
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_XRGB2101010,
+	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
+};
+
 /* Cursor formats */
 static const uint32_t intel_cursor_formats[] = {
 	DRM_FORMAT_ARGB8888,
@@ -13016,9 +13032,14 @@ void intel_plane_destroy(struct drm_plane *plane)
 	primary->check_plane = intel_check_primary_plane;
 
 	if (INTEL_GEN(dev_priv) >= 9) {
-		intel_primary_formats = skl_primary_formats;
-		num_formats = ARRAY_SIZE(skl_primary_formats);
-
+		if (IS_BROXTON(dev_priv) &&
+			((pipe == PIPE_A || pipe == PIPE_B))) {
+			intel_primary_formats = nv12_primary_formats;
+			num_formats = ARRAY_SIZE(nv12_primary_formats);
+		} else {
+			intel_primary_formats = skl_primary_formats;
+			num_formats = ARRAY_SIZE(skl_primary_formats);
+		}
 		primary->update_plane = skylake_update_primary_plane;
 		primary->disable_plane = skylake_disable_primary_plane;
 	} else if (INTEL_GEN(dev_priv) >= 4) {
-- 
1.9.1

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[PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to list of supported formats for sprite plane.

v2: Rebased (me)

v3: Review comments by Ville addressed
	- Removed skl_plane_formats_with_nv12 and added
	NV12 case in existing skl_plane_formats
	- Added the 10bpc RGB formats

v4: Addressed review comments from Clinton A Taylor
	"Why are we adding 10 bit RGB formats with the NV12 series patches?
	Trying to set XR30 or AB30 results in error returned even though
	the modes are advertised for the planes"
	- Removed 10bit RGB formats added previously with NV12 series

v5: Missed the Tested-by/Reviewed-by in the previous series
	Adding the same to commit message in this version.
	Addressed review comments from Clinton A Taylor
	"Why are we adding 10 bit RGB formats with the NV12 series patches?
	Trying to set XR30 or AB30 results in error returned even though
	the modes are advertised for the planes"
	- Previous version has 10bit RGB format removed from VLV formats
	by mistake. Fixing that in this version.
	Removed 10bit RGB formats added previously with NV12 series
	for SKL.

v6: Addressed review comments by Ville
	Restricting the NV12 to BXT and PIPE A and B

Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 24f769a..7d16912 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1074,6 +1074,19 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 	DRM_FORMAT_VYUY,
 };
 
+static uint32_t nv12_plane_formats[] = {
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
+};
+
 struct intel_plane *
 intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 			  enum pipe pipe, int plane)
@@ -1106,8 +1119,14 @@ struct intel_plane *
 		intel_plane->update_plane = skl_update_plane;
 		intel_plane->disable_plane = skl_disable_plane;
 
-		plane_formats = skl_plane_formats;
-		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		if (IS_BROXTON(dev_priv) &&
+			((pipe == PIPE_A || pipe == PIPE_B) && (plane == 0))) {
+			plane_formats = nv12_plane_formats;
+			num_plane_formats = ARRAY_SIZE(nv12_plane_formats);
+		} else {
+			plane_formats = skl_plane_formats;
+			num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		}
 	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		intel_plane->can_scale = false;
 		intel_plane->max_downscale = 1;
-- 
1.9.1

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[PATCH 8/8] drm/i915: Add NV12 support to intel_framebuffer_init

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 as supported format
to intel_framebuffer_init and performs various checks.

v2:
-Fix an issue in checks added (Chandra Konduru)

v3: rebased (me)

v4: Review comments by Ville addressed
	Added platform check for NV12 in intel_framebuffer_init
	Removed offset checks for NV12 case

v5: Addressed review comments by Clinton A Taylor
	This NV12 support only correctly works on SKL.
	Plane color space conversion is different on GLK and later platforms
	causing the colors to display incorrectly.
	Ville's plane color space property patch series
	in review will fix this issue.
	- Restricted the NV12 case in intel_framebuffer_init to
	SKL and BXT only.

v6: Rebased (me)

v7: Addressed review comments by Ville
	Restricting the NV12 to BXT for now.

Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ed6841f..c843d91 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13820,6 +13820,14 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 			goto err;
 		}
 		break;
+	case DRM_FORMAT_NV12:
+		if (!IS_BROXTON(dev_priv)) {
+			DRM_DEBUG_KMS("unsupported pixel format: %s\n",
+		      drm_get_format_name(mode_cmd->pixel_format,
+				&format_name));
+			goto err;
+		}
+		break;
 	default:
 		DRM_DEBUG_KMS("unsupported pixel format: %s\n",
 			      drm_get_format_name(mode_cmd->pixel_format, &format_name));
-- 
1.9.1

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Re: [PATCH 5/8] drm/i915: Upscale scaler max scale for NV12

[Bob Paauwe]

On Mon, 24 Jul 2017 09:57:46 +0530
Vidya Srinivas <vidya.srinivas@intel.com> wrote:

> From: Chandra Konduru <chandra.konduru@intel.com>
> 
> This patch updates scaler max limit support for NV12
> 
> v2: Rebased (me)
> 
> v3: Rebased (me)
> 
> v4: Missed the Tested-by/Reviewed-by in the previous series
> 	Adding the same to commit message in this version.
> 
> v5: Addressed review comments from Ville and rebased
> 	- calculation of max_scale to be made
> 	less convoluted by splitting it up a bit

I think the splitting up of the function isn't correct, see below.

> 	- Indentation errors to be fixed in the series
> 
> Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
> Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
> Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 33 +++++++++++++++++++++++----------
>  drivers/gpu/drm/i915/intel_drv.h     |  3 ++-
>  drivers/gpu/drm/i915/intel_sprite.c  |  3 ++-
>  3 files changed, 27 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 2d3069c..390ef5c 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3426,6 +3426,8 @@ static u32 skl_plane_ctl_format(uint32_t pixel_format)
>  		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY;
>  	case DRM_FORMAT_VYUY:
>  		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY;
> +	case DRM_FORMAT_NV12:
> +		return PLANE_CTL_FORMAT_NV12;
>  	default:
>  		MISSING_CASE(pixel_format);
>  	}
> @@ -4671,7 +4673,8 @@ static void cpt_verify_modeset(struct drm_device *dev, int pipe)
>  static int
>  skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
>  		  unsigned int scaler_user, int *scaler_id,
> -		  int src_w, int src_h, int dst_w, int dst_h)
> +		  int src_w, int src_h, int dst_w, int dst_h,
> +		  uint32_t pixel_format)
>  {
>  	struct intel_crtc_scaler_state *scaler_state =
>  		&crtc_state->scaler_state;
> @@ -4687,7 +4690,8 @@ static void cpt_verify_modeset(struct drm_device *dev, int pipe)
>  	 * the 90/270 degree plane rotation cases (to match the
>  	 * GTT mapping), hence no need to account for rotation here.
>  	 */
> -	need_scaling = src_w != dst_w || src_h != dst_h;
> +	need_scaling = src_w != dst_w || src_h != dst_h ||
> +		(pixel_format == DRM_FORMAT_NV12);
>  
>  	/*
>  	 * Scaling/fitting not supported in IF-ID mode in GEN9+
> @@ -4763,7 +4767,7 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state)
>  	return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX,
>  		&state->scaler_state.scaler_id,
>  		state->pipe_src_w, state->pipe_src_h,
> -		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay);
> +		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay, 0);
>  }
>  
>  /**
> @@ -4793,7 +4797,8 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
>  				drm_rect_width(&plane_state->base.src) >> 16,
>  				drm_rect_height(&plane_state->base.src) >> 16,
>  				drm_rect_width(&plane_state->base.dst),
> -				drm_rect_height(&plane_state->base.dst));
> +				drm_rect_height(&plane_state->base.dst),
> +				fb ? fb->format->format : 0);
>  
>  	if (ret || plane_state->scaler_id < 0)
>  		return ret;
> @@ -4819,6 +4824,7 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
>  	case DRM_FORMAT_YVYU:
>  	case DRM_FORMAT_UYVY:
>  	case DRM_FORMAT_VYUY:
> +	case DRM_FORMAT_NV12:
>  		break;
>  	default:
>  		DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n",
> @@ -12674,11 +12680,12 @@ static int intel_atomic_commit(struct drm_device *dev,
>  }
>  
>  int
> -skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state)
> +skl_max_scale(struct intel_crtc *intel_crtc,
> +	struct intel_crtc_state *crtc_state, uint32_t pixel_format)
>  {
>  	struct drm_i915_private *dev_priv;
> -	int max_scale;
> -	int crtc_clock, max_dotclk;
> +	int max_scale, mult;
> +	int crtc_clock, max_dotclk, tmpclk1, tmpclk2;
>  
>  	if (!intel_crtc || !crtc_state->base.enable)
>  		return DRM_PLANE_HELPER_NO_SCALING;
> @@ -12700,8 +12707,10 @@ static int intel_atomic_commit(struct drm_device *dev,
>  	 *            or
>  	 *    cdclk/crtc_clock
>  	 */
> -	max_scale = min((1 << 16) * 3 - 1,
> -			(1 << 8) * ((max_dotclk << 8) / crtc_clock));
> +	mult = pixel_format == DRM_FORMAT_NV12 ? 2 : 3;
> +	tmpclk1 = (1 << 16) * (mult - 1);

I don't think the above calculation is right, at least it's not
matching what was being done previously. 

Originally it did ((1 << 16) * 3) - 1 which is 0x2ffff

Now it does (1 << 16) * (3 - 1) which is 0x20000


> +	tmpclk2 = (1 << 8) * ((max_dotclk << 8) / crtc_clock);
> +	max_scale = min(tmpclk1, tmpclk2);
>  
>  	return max_scale;
>  }
> @@ -12722,7 +12731,11 @@ static int intel_atomic_commit(struct drm_device *dev,
>  		/* use scaler when colorkey is not required */
>  		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
>  			min_scale = 1;
> -			max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state);
> +			max_scale = skl_max_scale(to_intel_crtc(crtc),
> +						crtc_state,
> +						state->base.fb ?
> +						state->base.fb->format->format :
> +						0);
>  		}
>  		can_position = true;
>  	}
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 021cc54..6f9c631 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1456,7 +1456,8 @@ void intel_mode_from_pipe_config(struct drm_display_mode *mode,
>  				 struct intel_crtc_state *pipe_config);
>  
>  int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state);
> -int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state);
> +int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
> +	uint32_t pixel_format);
>  
>  static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *state)
>  {
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index a38b4f3..24f769a 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -817,7 +817,8 @@ static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
>  		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
>  			can_scale = 1;
>  			min_scale = 1;
> -			max_scale = skl_max_scale(crtc, crtc_state);
> +			max_scale = skl_max_scale(crtc, crtc_state,
> +						fb->format->format);
>  		} else {
>  			can_scale = 0;
>  			min_scale = DRM_PLANE_HELPER_NO_SCALING;



-- 
--
Bob Paauwe                  
Bob.J.Paauwe@intel.com
IOTG / PED Software Organization
Intel Corp.  Folsom, CA
(916) 356-6193    

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Re: [PATCH 5/8] drm/i915: Upscale scaler max scale for NV12

[Srinivas, Vidya]

> -----Original Message-----
> From: Paauwe, Bob J
> Sent: Saturday, July 29, 2017 1:55 AM
> To: Srinivas, Vidya <vidya.srinivas@intel.com>
> Cc: intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH 5/8] drm/i915: Upscale scaler max scale for
> NV12
> 
> On Mon, 24 Jul 2017 09:57:46 +0530
> Vidya Srinivas <vidya.srinivas@intel.com> wrote:
> 
> > From: Chandra Konduru <chandra.konduru@intel.com>
> >
> > This patch updates scaler max limit support for NV12
> >
> > v2: Rebased (me)
> >
> > v3: Rebased (me)
> >
> > v4: Missed the Tested-by/Reviewed-by in the previous series
> > 	Adding the same to commit message in this version.
> >
> > v5: Addressed review comments from Ville and rebased
> > 	- calculation of max_scale to be made
> > 	less convoluted by splitting it up a bit
> 
> I think the splitting up of the function isn't correct, see below.
> 
> > 	- Indentation errors to be fixed in the series
> >
> > Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
> > Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
> > Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> > Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> > Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> > ---
> >  drivers/gpu/drm/i915/intel_display.c | 33 +++++++++++++++++++++++----
> ------
> >  drivers/gpu/drm/i915/intel_drv.h     |  3 ++-
> >  drivers/gpu/drm/i915/intel_sprite.c  |  3 ++-
> >  3 files changed, 27 insertions(+), 12 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c
> > b/drivers/gpu/drm/i915/intel_display.c
> > index 2d3069c..390ef5c 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -3426,6 +3426,8 @@ static u32 skl_plane_ctl_format(uint32_t
> pixel_format)
> >  		return PLANE_CTL_FORMAT_YUV422 |
> PLANE_CTL_YUV422_UYVY;
> >  	case DRM_FORMAT_VYUY:
> >  		return PLANE_CTL_FORMAT_YUV422 |
> PLANE_CTL_YUV422_VYUY;
> > +	case DRM_FORMAT_NV12:
> > +		return PLANE_CTL_FORMAT_NV12;
> >  	default:
> >  		MISSING_CASE(pixel_format);
> >  	}
> > @@ -4671,7 +4673,8 @@ static void cpt_verify_modeset(struct
> drm_device
> > *dev, int pipe)  static int  skl_update_scaler(struct intel_crtc_state
> > *crtc_state, bool force_detach,
> >  		  unsigned int scaler_user, int *scaler_id,
> > -		  int src_w, int src_h, int dst_w, int dst_h)
> > +		  int src_w, int src_h, int dst_w, int dst_h,
> > +		  uint32_t pixel_format)
> >  {
> >  	struct intel_crtc_scaler_state *scaler_state =
> >  		&crtc_state->scaler_state;
> > @@ -4687,7 +4690,8 @@ static void cpt_verify_modeset(struct
> drm_device *dev, int pipe)
> >  	 * the 90/270 degree plane rotation cases (to match the
> >  	 * GTT mapping), hence no need to account for rotation here.
> >  	 */
> > -	need_scaling = src_w != dst_w || src_h != dst_h;
> > +	need_scaling = src_w != dst_w || src_h != dst_h ||
> > +		(pixel_format == DRM_FORMAT_NV12);
> >
> >  	/*
> >  	 * Scaling/fitting not supported in IF-ID mode in GEN9+ @@ -4763,7
> > +4767,7 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state)
> >  	return skl_update_scaler(state, !state->base.active,
> SKL_CRTC_INDEX,
> >  		&state->scaler_state.scaler_id,
> >  		state->pipe_src_w, state->pipe_src_h,
> > -		adjusted_mode->crtc_hdisplay, adjusted_mode-
> >crtc_vdisplay);
> > +		adjusted_mode->crtc_hdisplay, adjusted_mode-
> >crtc_vdisplay, 0);
> >  }
> >
> >  /**
> > @@ -4793,7 +4797,8 @@ static int skl_update_scaler_plane(struct
> intel_crtc_state *crtc_state,
> >  				drm_rect_width(&plane_state->base.src) >>
> 16,
> >  				drm_rect_height(&plane_state->base.src) >>
> 16,
> >  				drm_rect_width(&plane_state->base.dst),
> > -				drm_rect_height(&plane_state->base.dst));
> > +				drm_rect_height(&plane_state->base.dst),
> > +				fb ? fb->format->format : 0);
> >
> >  	if (ret || plane_state->scaler_id < 0)
> >  		return ret;
> > @@ -4819,6 +4824,7 @@ static int skl_update_scaler_plane(struct
> intel_crtc_state *crtc_state,
> >  	case DRM_FORMAT_YVYU:
> >  	case DRM_FORMAT_UYVY:
> >  	case DRM_FORMAT_VYUY:
> > +	case DRM_FORMAT_NV12:
> >  		break;
> >  	default:
> >  		DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported
> scaling format
> > 0x%x\n", @@ -12674,11 +12680,12 @@ static int
> > intel_atomic_commit(struct drm_device *dev,  }
> >
> >  int
> > -skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state
> > *crtc_state)
> > +skl_max_scale(struct intel_crtc *intel_crtc,
> > +	struct intel_crtc_state *crtc_state, uint32_t pixel_format)
> >  {
> >  	struct drm_i915_private *dev_priv;
> > -	int max_scale;
> > -	int crtc_clock, max_dotclk;
> > +	int max_scale, mult;
> > +	int crtc_clock, max_dotclk, tmpclk1, tmpclk2;
> >
> >  	if (!intel_crtc || !crtc_state->base.enable)
> >  		return DRM_PLANE_HELPER_NO_SCALING; @@ -12700,8
> +12707,10 @@ static
> > int intel_atomic_commit(struct drm_device *dev,
> >  	 *            or
> >  	 *    cdclk/crtc_clock
> >  	 */
> > -	max_scale = min((1 << 16) * 3 - 1,
> > -			(1 << 8) * ((max_dotclk << 8) / crtc_clock));
> > +	mult = pixel_format == DRM_FORMAT_NV12 ? 2 : 3;
> > +	tmpclk1 = (1 << 16) * (mult - 1);
> 
> I don't think the above calculation is right, at least it's not matching what
> was being done previously.
> 
> Originally it did ((1 << 16) * 3) - 1 which is 0x2ffff
> 
> Now it does (1 << 16) * (3 - 1) which is 0x20000
> 

Thank you so much.
I will fix the error and resubmit the patch.

Regards
Vidya

> 
> > +	tmpclk2 = (1 << 8) * ((max_dotclk << 8) / crtc_clock);
> > +	max_scale = min(tmpclk1, tmpclk2);
> >
> >  	return max_scale;
> >  }
> > @@ -12722,7 +12731,11 @@ static int intel_atomic_commit(struct
> drm_device *dev,
> >  		/* use scaler when colorkey is not required */
> >  		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
> >  			min_scale = 1;
> > -			max_scale = skl_max_scale(to_intel_crtc(crtc),
> crtc_state);
> > +			max_scale = skl_max_scale(to_intel_crtc(crtc),
> > +						crtc_state,
> > +						state->base.fb ?
> > +						state->base.fb->format-
> >format :
> > +						0);
> >  		}
> >  		can_position = true;
> >  	}
> > diff --git a/drivers/gpu/drm/i915/intel_drv.h
> > b/drivers/gpu/drm/i915/intel_drv.h
> > index 021cc54..6f9c631 100644
> > --- a/drivers/gpu/drm/i915/intel_drv.h
> > +++ b/drivers/gpu/drm/i915/intel_drv.h
> > @@ -1456,7 +1456,8 @@ void intel_mode_from_pipe_config(struct
> drm_display_mode *mode,
> >  				 struct intel_crtc_state *pipe_config);
> >
> >  int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state); -int
> > skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state
> > *crtc_state);
> > +int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state
> *crtc_state,
> > +	uint32_t pixel_format);
> >
> >  static inline u32 intel_plane_ggtt_offset(const struct
> > intel_plane_state *state)  { diff --git
> > a/drivers/gpu/drm/i915/intel_sprite.c
> > b/drivers/gpu/drm/i915/intel_sprite.c
> > index a38b4f3..24f769a 100644
> > --- a/drivers/gpu/drm/i915/intel_sprite.c
> > +++ b/drivers/gpu/drm/i915/intel_sprite.c
> > @@ -817,7 +817,8 @@ static u32 g4x_sprite_ctl(const struct
> intel_crtc_state *crtc_state,
> >  		if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
> >  			can_scale = 1;
> >  			min_scale = 1;
> > -			max_scale = skl_max_scale(crtc, crtc_state);
> > +			max_scale = skl_max_scale(crtc, crtc_state,
> > +						fb->format->format);
> >  		} else {
> >  			can_scale = 0;
> >  			min_scale = DRM_PLANE_HELPER_NO_SCALING;
> 
> 
> 
> --
> --
> Bob Paauwe
> Bob.J.Paauwe@intel.com
> IOTG / PED Software Organization
> Intel Corp.  Folsom, CA
> (916) 356-6193

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[PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to list of supported formats for sprite plane.

v2: Rebased (me)

v3: Review comments by Ville addressed
	- Removed skl_plane_formats_with_nv12 and added
	NV12 case in existing skl_plane_formats
	- Added the 10bpc RGB formats

v4: Addressed review comments from Clinton A Taylor
	"Why are we adding 10 bit RGB formats with the NV12 series patches?
	Trying to set XR30 or AB30 results in error returned even though
	the modes are advertised for the planes"
	- Removed 10bit RGB formats added previously with NV12 series

v5: Missed the Tested-by/Reviewed-by in the previous series
	Adding the same to commit message in this version.
	Addressed review comments from Clinton A Taylor
	"Why are we adding 10 bit RGB formats with the NV12 series patches?
	Trying to set XR30 or AB30 results in error returned even though
	the modes are advertised for the planes"
	- Previous version has 10bit RGB format removed from VLV formats
	by mistake. Fixing that in this version.
	Removed 10bit RGB formats added previously with NV12 series
	for SKL.

v6: Addressed review comments by Ville
	Restricting the NV12 to BXT and PIPE A and B

Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 24f769a..7d16912 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1074,6 +1074,19 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 	DRM_FORMAT_VYUY,
 };
 
+static uint32_t nv12_plane_formats[] = {
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
+};
+
 struct intel_plane *
 intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 			  enum pipe pipe, int plane)
@@ -1106,8 +1119,14 @@ struct intel_plane *
 		intel_plane->update_plane = skl_update_plane;
 		intel_plane->disable_plane = skl_disable_plane;
 
-		plane_formats = skl_plane_formats;
-		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		if (IS_BROXTON(dev_priv) &&
+			((pipe == PIPE_A || pipe == PIPE_B) && (plane == 0))) {
+			plane_formats = nv12_plane_formats;
+			num_plane_formats = ARRAY_SIZE(nv12_plane_formats);
+		} else {
+			plane_formats = skl_plane_formats;
+			num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		}
 	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		intel_plane->can_scale = false;
 		intel_plane->max_downscale = 1;
-- 
1.9.1

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Re: [PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Srinivas, Vidya]

> -----Original Message-----
> From: Ville Syrjälä [mailto:ville.syrjala@linux.intel.com]
> Sent: Tuesday, July 11, 2017 9:42 PM
> To: Srinivas, Vidya <vidya.srinivas@intel.com>
> Cc: intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH 7/8] drm/i915: Add NV12 as supported
> format for sprite plane
> 
> On Tue, Jul 11, 2017 at 07:40:55PM +0530, Vidya Srinivas wrote:
> > From: Chandra Konduru <chandra.konduru@intel.com>
> >
> > This patch adds NV12 to list of supported formats for sprite plane.
> >
> > v2: Rebased (me)
> >
> > v3: Review comments by Ville addressed
> > 	- Removed skl_plane_formats_with_nv12 and added
> > 	NV12 case in existing skl_plane_formats
> > 	- Added the 10bpc RGB formats
> >
> > v4: Addressed review comments from Clinton A Taylor
> > 	"Why are we adding 10 bit RGB formats with the NV12 series
> patches?
> > 	Trying to set XR30 or AB30 results in error returned even though
> > 	the modes are advertised for the planes"
> > 	- Removed 10bit RGB formats added previously with NV12 series
> >
> > v5: Missed the Tested-by/Reviewed-by in the previous series
> > 	Adding the same to commit message in this version.
> > 	Addressed review comments from Clinton A Taylor
> > 	"Why are we adding 10 bit RGB formats with the NV12 series
> patches?
> > 	Trying to set XR30 or AB30 results in error returned even though
> > 	the modes are advertised for the planes"
> > 	- Previous version has 10bit RGB format removed from VLV formats
> > 	by mistake. Fixing that in this version.
> > 	Removed 10bit RGB formats added previously with NV12 series
> > 	for SKL.
> >
> > Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
> > Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
> > Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> > Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> > Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> > ---
> >  drivers/gpu/drm/i915/intel_sprite.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_sprite.c
> > b/drivers/gpu/drm/i915/intel_sprite.c
> > index 9a6b011..f1d65d9 100644
> > --- a/drivers/gpu/drm/i915/intel_sprite.c
> > +++ b/drivers/gpu/drm/i915/intel_sprite.c
> > @@ -1078,6 +1078,7 @@ int intel_sprite_set_colorkey(struct drm_device
> *dev, void *data,
> >  	DRM_FORMAT_YVYU,
> >  	DRM_FORMAT_UYVY,
> >  	DRM_FORMAT_VYUY,
> > +	DRM_FORMAT_NV12,
> >  };
> 
> That's not correct for pipe C sprites on SKL/KBL/BXT.
> 
> Also like I mentioned earlier at least SKL shouldn't be advertizing NV12 at
> all. IIRC you were going to find out what the situation is with the other
> platforms.
> 

I checked for the platform support we need.
For now, we wanted to enable it on Apollo Lake platforms (BXT).I have changed
the patch and addressed the review comments. Kindly have a check.
Thank you.

Regards
Vidya

> >
> >  struct intel_plane *
> > --
> > 1.9.1
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> --
> Ville Syrjälä
> Intel OTC
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Re: [PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Srinivas, Vidya]

> -----Original Message-----
> From: Ville Syrjälä [mailto:ville.syrjala@linux.intel.com]
> Sent: Tuesday, July 11, 2017 9:42 PM
> To: Srinivas, Vidya <vidya.srinivas@intel.com>
> Cc: intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH 7/8] drm/i915: Add NV12 as supported
> format for sprite plane
> 
> On Tue, Jul 11, 2017 at 07:40:55PM +0530, Vidya Srinivas wrote:
> > From: Chandra Konduru <chandra.konduru@intel.com>
> >
> > This patch adds NV12 to list of supported formats for sprite plane.
> >
> > v2: Rebased (me)
> >
> > v3: Review comments by Ville addressed
> > 	- Removed skl_plane_formats_with_nv12 and added
> > 	NV12 case in existing skl_plane_formats
> > 	- Added the 10bpc RGB formats
> >
> > v4: Addressed review comments from Clinton A Taylor
> > 	"Why are we adding 10 bit RGB formats with the NV12 series
> patches?
> > 	Trying to set XR30 or AB30 results in error returned even though
> > 	the modes are advertised for the planes"
> > 	- Removed 10bit RGB formats added previously with NV12 series
> >
> > v5: Missed the Tested-by/Reviewed-by in the previous series
> > 	Adding the same to commit message in this version.
> > 	Addressed review comments from Clinton A Taylor
> > 	"Why are we adding 10 bit RGB formats with the NV12 series
> patches?
> > 	Trying to set XR30 or AB30 results in error returned even though
> > 	the modes are advertised for the planes"
> > 	- Previous version has 10bit RGB format removed from VLV formats
> > 	by mistake. Fixing that in this version.
> > 	Removed 10bit RGB formats added previously with NV12 series
> > 	for SKL.
> >
> > Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
> > Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
> > Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> > Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> > Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> > ---
> >  drivers/gpu/drm/i915/intel_sprite.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_sprite.c
> > b/drivers/gpu/drm/i915/intel_sprite.c
> > index 9a6b011..f1d65d9 100644
> > --- a/drivers/gpu/drm/i915/intel_sprite.c
> > +++ b/drivers/gpu/drm/i915/intel_sprite.c
> > @@ -1078,6 +1078,7 @@ int intel_sprite_set_colorkey(struct drm_device
> *dev, void *data,
> >  	DRM_FORMAT_YVYU,
> >  	DRM_FORMAT_UYVY,
> >  	DRM_FORMAT_VYUY,
> > +	DRM_FORMAT_NV12,
> >  };
> 
> That's not correct for pipe C sprites on SKL/KBL/BXT.
> 
> Also like I mentioned earlier at least SKL shouldn't be advertizing NV12 at
> all. IIRC you were going to find out what the situation is with the other
> platforms.

Apologies for the delay. I shall find this and fix before sending the next series with other
review comments addressed.

Regards
Vidya
> 
> >
> >  struct intel_plane *
> > --
> > 1.9.1
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> --
> Ville Syrjälä
> Intel OTC
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Re: [PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Ville Syrjälä]

On Tue, Jul 11, 2017 at 07:40:55PM +0530, Vidya Srinivas wrote:
> From: Chandra Konduru <chandra.konduru@intel.com>
> 
> This patch adds NV12 to list of supported formats for sprite plane.
> 
> v2: Rebased (me)
> 
> v3: Review comments by Ville addressed
> 	- Removed skl_plane_formats_with_nv12 and added
> 	NV12 case in existing skl_plane_formats
> 	- Added the 10bpc RGB formats
> 
> v4: Addressed review comments from Clinton A Taylor
> 	"Why are we adding 10 bit RGB formats with the NV12 series patches?
> 	Trying to set XR30 or AB30 results in error returned even though
> 	the modes are advertised for the planes"
> 	- Removed 10bit RGB formats added previously with NV12 series
> 
> v5: Missed the Tested-by/Reviewed-by in the previous series
> 	Adding the same to commit message in this version.
> 	Addressed review comments from Clinton A Taylor
> 	"Why are we adding 10 bit RGB formats with the NV12 series patches?
> 	Trying to set XR30 or AB30 results in error returned even though
> 	the modes are advertised for the planes"
> 	- Previous version has 10bit RGB format removed from VLV formats
> 	by mistake. Fixing that in this version.
> 	Removed 10bit RGB formats added previously with NV12 series
> 	for SKL.
> 
> Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
> Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
> Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_sprite.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 9a6b011..f1d65d9 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1078,6 +1078,7 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
>  	DRM_FORMAT_YVYU,
>  	DRM_FORMAT_UYVY,
>  	DRM_FORMAT_VYUY,
> +	DRM_FORMAT_NV12,
>  };

That's not correct for pipe C sprites on SKL/KBL/BXT.

Also like I mentioned earlier at least SKL shouldn't be
advertizing NV12 at all. IIRC you were going to find out what
the situation is with the other platforms.

>  
>  struct intel_plane *
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel OTC
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Re: [PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Clint Taylor]

On 07/11/2017 07:10 AM, Vidya Srinivas wrote:
> From: Chandra Konduru <chandra.konduru@intel.com>
>
> This patch adds NV12 to list of supported formats for sprite plane.
>
> v2: Rebased (me)
>
> v3: Review comments by Ville addressed
> 	- Removed skl_plane_formats_with_nv12 and added
> 	NV12 case in existing skl_plane_formats
> 	- Added the 10bpc RGB formats
>
> v4: Addressed review comments from Clinton A Taylor
> 	"Why are we adding 10 bit RGB formats with the NV12 series patches?
> 	Trying to set XR30 or AB30 results in error returned even though
> 	the modes are advertised for the planes"
> 	- Removed 10bit RGB formats added previously with NV12 series
>
> v5: Missed the Tested-by/Reviewed-by in the previous series
> 	Adding the same to commit message in this version.
> 	Addressed review comments from Clinton A Taylor
> 	"Why are we adding 10 bit RGB formats with the NV12 series patches?
> 	Trying to set XR30 or AB30 results in error returned even though
> 	the modes are advertised for the planes"
> 	- Previous version has 10bit RGB format removed from VLV formats
> 	by mistake. Fixing that in this version.
> 	Removed 10bit RGB formats added previously with NV12 series
> 	for SKL.
>
> Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
> Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
I had not actually given the reviewed-by for patch 7/8 yet. Make sure 
that you only add the reviewed-by to the commit message for patches that 
have been marked that way by the reviewers.

Of course now the patch looks good and we can leave the RB in the commit 
message.

Thanks for getting this done,
-Clint

> Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> ---
>   drivers/gpu/drm/i915/intel_sprite.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 9a6b011..f1d65d9 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1078,6 +1078,7 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
>   	DRM_FORMAT_YVYU,
>   	DRM_FORMAT_UYVY,
>   	DRM_FORMAT_VYUY,
> +	DRM_FORMAT_NV12,
>   };
>   
>   struct intel_plane *

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[PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to list of supported formats for sprite plane.

v2: Rebased (me)

v3: Review comments by Ville addressed
	- Removed skl_plane_formats_with_nv12 and added
	NV12 case in existing skl_plane_formats
	- Added the 10bpc RGB formats

v4: Addressed review comments from Clinton A Taylor
	"Why are we adding 10 bit RGB formats with the NV12 series patches?
	Trying to set XR30 or AB30 results in error returned even though
	the modes are advertised for the planes"
	- Removed 10bit RGB formats added previously with NV12 series

v5: Missed the Tested-by/Reviewed-by in the previous series
	Adding the same to commit message in this version.
	Addressed review comments from Clinton A Taylor
	"Why are we adding 10 bit RGB formats with the NV12 series patches?
	Trying to set XR30 or AB30 results in error returned even though
	the modes are advertised for the planes"
	- Previous version has 10bit RGB format removed from VLV formats
	by mistake. Fixing that in this version.
	Removed 10bit RGB formats added previously with NV12 series
	for SKL.

Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 9a6b011..f1d65d9 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1078,6 +1078,7 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 	DRM_FORMAT_YVYU,
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
 };
 
 struct intel_plane *
-- 
1.9.1

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Re: [PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Clint Taylor]

On 07/09/2017 11:53 PM, Vidya Srinivas wrote:
> From: Chandra Konduru <chandra.konduru@intel.com>
>
> This patch adds NV12 to list of supported formats for sprite plane.
>
> v2: Rebased (me)
>
> v3: Review comments by Ville addressed
> 	- Removed skl_plane_formats_with_nv12 and added
> 	NV12 case in existing skl_plane_formats
> 	- Added the 10bpc RGB formats
>
> v4: Addressed review comments from Clinton A Taylor
> 	"Why are we adding 10 bit RGB formats with the NV12 series patches?
> 	Trying to set XR30 or AB30 results in error returned even though
> 	the modes are advertised for the planes"
> 	- Removed 10bit RGB formats added previously with NV12 series
>
> Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> ---
>   drivers/gpu/drm/i915/intel_sprite.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 9a6b011..a48e5f8 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1060,8 +1060,6 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
>   	DRM_FORMAT_ARGB8888,
>   	DRM_FORMAT_XBGR8888,
>   	DRM_FORMAT_XRGB8888,
> -	DRM_FORMAT_XBGR2101010,
> -	DRM_FORMAT_ABGR2101010,
>   	DRM_FORMAT_YUYV,
>   	DRM_FORMAT_YVYU,
>   	DRM_FORMAT_UYVY,
> @@ -1074,10 +1072,13 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
>   	DRM_FORMAT_ARGB8888,
>   	DRM_FORMAT_XBGR8888,
>   	DRM_FORMAT_XRGB8888,
> +	DRM_FORMAT_XBGR2101010,
> +	DRM_FORMAT_ABGR2101010,

These are still present? This patch mistakingly removed them from 
vlv_plane_formats.

-Clint

>   	DRM_FORMAT_YUYV,
>   	DRM_FORMAT_YVYU,
>   	DRM_FORMAT_UYVY,
>   	DRM_FORMAT_VYUY,
> +	DRM_FORMAT_NV12,
>   };
>   
>   struct intel_plane *

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[PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to list of supported formats for sprite plane.

v2: Rebased (me)

v3: Review comments by Ville addressed
	- Removed skl_plane_formats_with_nv12 and added
	NV12 case in existing skl_plane_formats
	- Added the 10bpc RGB formats

v4: Addressed review comments from Clinton A Taylor
	"Why are we adding 10 bit RGB formats with the NV12 series patches?
	Trying to set XR30 or AB30 results in error returned even though
	the modes are advertised for the planes"
	- Removed 10bit RGB formats added previously with NV12 series

Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 9a6b011..a48e5f8 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1060,8 +1060,6 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 	DRM_FORMAT_ARGB8888,
 	DRM_FORMAT_XBGR8888,
 	DRM_FORMAT_XRGB8888,
-	DRM_FORMAT_XBGR2101010,
-	DRM_FORMAT_ABGR2101010,
 	DRM_FORMAT_YUYV,
 	DRM_FORMAT_YVYU,
 	DRM_FORMAT_UYVY,
@@ -1074,10 +1072,13 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 	DRM_FORMAT_ARGB8888,
 	DRM_FORMAT_XBGR8888,
 	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_ABGR2101010,
 	DRM_FORMAT_YUYV,
 	DRM_FORMAT_YVYU,
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
 };
 
 struct intel_plane *
-- 
1.9.1

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Re: [PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Srinivas, Vidya]

> -----Original Message-----
> From: Taylor, Clinton A
> Sent: Friday, July 7, 2017 4:20 AM
> To: Srinivas, Vidya <vidya.srinivas@intel.com>; intel-
> gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH 7/8] drm/i915: Add NV12 as supported
> format for sprite plane
> 
> 
> 
> On 06/19/2017 11:10 PM, Vidya Srinivas wrote:
> > From: Chandra Konduru <chandra.konduru@intel.com>
> >
> > This patch adds NV12 to list of supported formats for sprite plane.
> >
> > v2: Rebased (me)
> >
> > v3: Review comments by Ville addressed
> > 	- Removed skl_plane_formats_with_nv12 and added
> > 	NV12 case in existing skl_plane_formats
> > 	- Added the 10bpc RGB formats
> >
> > Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> > Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> > Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> > ---
> >   drivers/gpu/drm/i915/intel_sprite.c | 3 +++
> >   1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_sprite.c
> > b/drivers/gpu/drm/i915/intel_sprite.c
> > index d4665d2..2a388b6f 100644
> > --- a/drivers/gpu/drm/i915/intel_sprite.c
> > +++ b/drivers/gpu/drm/i915/intel_sprite.c
> > @@ -1074,10 +1074,13 @@ int intel_sprite_set_colorkey(struct
> drm_device *dev, void *data,
> >   	DRM_FORMAT_ARGB8888,
> >   	DRM_FORMAT_XBGR8888,
> >   	DRM_FORMAT_XRGB8888,
> > +	DRM_FORMAT_XBGR2101010,
> > +	DRM_FORMAT_ABGR2101010,
> 
> Why are we adding 10 bit RGB formats with the NV12 series patches?
> Trying to set XR30 or AB30 results in error returned even though the modes
> are advertised for the planes.

Thank you. I will address the review comments and re-send the patches after rebasing.

Regards
Vidya
> 
> -Clint
> 
> >   	DRM_FORMAT_YUYV,
> >   	DRM_FORMAT_YVYU,
> >   	DRM_FORMAT_UYVY,
> >   	DRM_FORMAT_VYUY,
> > +	DRM_FORMAT_NV12,
> >   };
> >
> >   struct intel_plane *

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Re: [PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Clint Taylor]

On 06/19/2017 11:10 PM, Vidya Srinivas wrote:
> From: Chandra Konduru <chandra.konduru@intel.com>
>
> This patch adds NV12 to list of supported formats for sprite plane.
>
> v2: Rebased (me)
>
> v3: Review comments by Ville addressed
> 	- Removed skl_plane_formats_with_nv12 and added
> 	NV12 case in existing skl_plane_formats
> 	- Added the 10bpc RGB formats
>
> Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> ---
>   drivers/gpu/drm/i915/intel_sprite.c | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index d4665d2..2a388b6f 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1074,10 +1074,13 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
>   	DRM_FORMAT_ARGB8888,
>   	DRM_FORMAT_XBGR8888,
>   	DRM_FORMAT_XRGB8888,
> +	DRM_FORMAT_XBGR2101010,
> +	DRM_FORMAT_ABGR2101010,

Why are we adding 10 bit RGB formats with the NV12 series patches? 
Trying to set XR30 or AB30 results in error returned even though the 
modes are advertised for the planes.

-Clint

>   	DRM_FORMAT_YUYV,
>   	DRM_FORMAT_YVYU,
>   	DRM_FORMAT_UYVY,
>   	DRM_FORMAT_VYUY,
> +	DRM_FORMAT_NV12,
>   };
>   
>   struct intel_plane *

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[PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to list of supported formats for sprite plane.

v2: Rebased (me)

v3: Review comments by Ville addressed
	- Removed skl_plane_formats_with_nv12 and added
	NV12 case in existing skl_plane_formats
	- Added the 10bpc RGB formats

Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index d4665d2..2a388b6f 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1074,10 +1074,13 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 	DRM_FORMAT_ARGB8888,
 	DRM_FORMAT_XBGR8888,
 	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_ABGR2101010,
 	DRM_FORMAT_YUYV,
 	DRM_FORMAT_YVYU,
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
 };
 
 struct intel_plane *
-- 
1.9.1

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Re: [PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Srinivas, Vidya]

> -----Original Message-----
> From: Ville Syrjälä [mailto:ville.syrjala@linux.intel.com]
> Sent: Monday, June 12, 2017 7:50 PM
> To: Srinivas, Vidya <vidya.srinivas@intel.com>
> Cc: intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH 7/8] drm/i915: Add NV12 as supported
> format for sprite plane
> 
> On Wed, Jun 07, 2017 at 04:11:47PM +0530, Vidya Srinivas wrote:
> > From: Chandra Konduru <chandra.konduru@intel.com>
> >
> > This patch adds NV12 to list of supported formats for sprite plane.
> >
> > v2: Rebased (me)
> >
> > Link: https://patchwork.kernel.org/patch/6426211/
> > Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> > Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> > Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> > ---
> >  drivers/gpu/drm/i915/intel_sprite.c | 24 +++++++++++++++++++++---
> >  1 file changed, 21 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_sprite.c
> > b/drivers/gpu/drm/i915/intel_sprite.c
> > index d4665d2..b90624b 100644
> > --- a/drivers/gpu/drm/i915/intel_sprite.c
> > +++ b/drivers/gpu/drm/i915/intel_sprite.c
> > @@ -1080,6 +1080,19 @@ int intel_sprite_set_colorkey(struct
> drm_device *dev, void *data,
> >  	DRM_FORMAT_VYUY,
> >  };
> >
> > +static uint32_t skl_plane_formats_with_nv12[] = {
> 
> Same as with previous patch, the _with_ doesn't seem to add anything
> useful.

Thank you. I will make the necessary changes and re-submit.

Regards
Vidya
> 
> > +	DRM_FORMAT_RGB565,
> > +	DRM_FORMAT_ABGR8888,
> > +	DRM_FORMAT_ARGB8888,
> > +	DRM_FORMAT_XBGR8888,
> > +	DRM_FORMAT_XRGB8888,
> > +	DRM_FORMAT_YUYV,
> > +	DRM_FORMAT_YVYU,
> > +	DRM_FORMAT_UYVY,
> > +	DRM_FORMAT_VYUY,
> > +	DRM_FORMAT_NV12,
> > +};
> 
> We're missing the 10bpc RGB formats, but we're already missing them in
> the current format list, so I guess it's fine. We'll need to get rid of this
> primary/sprite duplication anyway at some point.
> 
> > +
> >  struct intel_plane *
> >  intel_sprite_plane_create(struct drm_i915_private *dev_priv,
> >  			  enum pipe pipe, int plane)
> > @@ -1111,9 +1124,14 @@ struct intel_plane *
> >
> >  		intel_plane->update_plane = skl_update_plane;
> >  		intel_plane->disable_plane = skl_disable_plane;
> > -
> > -		plane_formats = skl_plane_formats;
> > -		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
> > +		if ((pipe == PIPE_A || pipe == PIPE_B) && (plane == 0)) {
> 
> Usless parens.
> 
> I don't think we want to enable NV12 on SKL/BXT. Display w/a #870 seems
> to be telling me KBL+/GLK+ should be fine.

We were working on enabling the NV12 on the Apollo Lake (BXT) as well.
I will check on this. Thank you.

Regards
Vidya
> 
> > +			plane_formats = skl_plane_formats_with_nv12;
> > +			num_plane_formats =
> > +				ARRAY_SIZE(skl_plane_formats_with_nv12);
> > +		} else {
> > +			plane_formats = skl_plane_formats;
> > +			num_plane_formats =
> ARRAY_SIZE(skl_plane_formats);
> > +		}
> >  	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
> >  		intel_plane->can_scale = false;
> >  		intel_plane->max_downscale = 1;
> > --
> > 1.9.1
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> --
> Ville Syrjälä
> Intel OTC
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Re: [PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Ville Syrjälä]

On Wed, Jun 07, 2017 at 04:11:47PM +0530, Vidya Srinivas wrote:
> From: Chandra Konduru <chandra.konduru@intel.com>
> 
> This patch adds NV12 to list of supported formats for sprite plane.
> 
> v2: Rebased (me)
> 
> Link: https://patchwork.kernel.org/patch/6426211/
> Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_sprite.c | 24 +++++++++++++++++++++---
>  1 file changed, 21 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index d4665d2..b90624b 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1080,6 +1080,19 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
>  	DRM_FORMAT_VYUY,
>  };
>  
> +static uint32_t skl_plane_formats_with_nv12[] = {

Same as with previous patch, the _with_ doesn't seem to add anything
useful.

> +	DRM_FORMAT_RGB565,
> +	DRM_FORMAT_ABGR8888,
> +	DRM_FORMAT_ARGB8888,
> +	DRM_FORMAT_XBGR8888,
> +	DRM_FORMAT_XRGB8888,
> +	DRM_FORMAT_YUYV,
> +	DRM_FORMAT_YVYU,
> +	DRM_FORMAT_UYVY,
> +	DRM_FORMAT_VYUY,
> +	DRM_FORMAT_NV12,
> +};

We're missing the 10bpc RGB formats, but we're already missing them
in the current format list, so I guess it's fine. We'll need to get
rid of this primary/sprite duplication anyway at some point.

> +
>  struct intel_plane *
>  intel_sprite_plane_create(struct drm_i915_private *dev_priv,
>  			  enum pipe pipe, int plane)
> @@ -1111,9 +1124,14 @@ struct intel_plane *
>  
>  		intel_plane->update_plane = skl_update_plane;
>  		intel_plane->disable_plane = skl_disable_plane;
> -
> -		plane_formats = skl_plane_formats;
> -		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
> +		if ((pipe == PIPE_A || pipe == PIPE_B) && (plane == 0)) {

Usless parens.

I don't think we want to enable NV12 on SKL/BXT. Display w/a #870 seems
to be telling me KBL+/GLK+ should be fine.

> +			plane_formats = skl_plane_formats_with_nv12;
> +			num_plane_formats =
> +				ARRAY_SIZE(skl_plane_formats_with_nv12);
> +		} else {
> +			plane_formats = skl_plane_formats;
> +			num_plane_formats = ARRAY_SIZE(skl_plane_formats);
> +		}
>  	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
>  		intel_plane->can_scale = false;
>  		intel_plane->max_downscale = 1;
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel OTC
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[PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to list of supported formats for sprite plane.

v2: Rebased (me)

Link: https://patchwork.kernel.org/patch/6426211/
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index d4665d2..b90624b 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1080,6 +1080,19 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 	DRM_FORMAT_VYUY,
 };
 
+static uint32_t skl_plane_formats_with_nv12[] = {
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
+};
+
 struct intel_plane *
 intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 			  enum pipe pipe, int plane)
@@ -1111,9 +1124,14 @@ struct intel_plane *
 
 		intel_plane->update_plane = skl_update_plane;
 		intel_plane->disable_plane = skl_disable_plane;
-
-		plane_formats = skl_plane_formats;
-		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		if ((pipe == PIPE_A || pipe == PIPE_B) && (plane == 0)) {
+			plane_formats = skl_plane_formats_with_nv12;
+			num_plane_formats =
+				ARRAY_SIZE(skl_plane_formats_with_nv12);
+		} else {
+			plane_formats = skl_plane_formats;
+			num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		}
 	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		intel_plane->can_scale = false;
 		intel_plane->max_downscale = 1;
-- 
1.9.1

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[PATCH 7/8] drm/i915: Add NV12 as supported format for sprite plane

[Vidya Srinivas]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to list of supported formats for sprite plane.

v2: Rebased (me)

Link: https://patchwork.kernel.org/patch/6426211/
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index d4665d2..b90624b 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1080,6 +1080,19 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 	DRM_FORMAT_VYUY,
 };
 
+static uint32_t skl_plane_formats_with_nv12[] = {
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
+};
+
 struct intel_plane *
 intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 			  enum pipe pipe, int plane)
@@ -1111,9 +1124,14 @@ struct intel_plane *
 
 		intel_plane->update_plane = skl_update_plane;
 		intel_plane->disable_plane = skl_disable_plane;
-
-		plane_formats = skl_plane_formats;
-		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		if ((pipe == PIPE_A || pipe == PIPE_B) && (plane == 0)) {
+			plane_formats = skl_plane_formats_with_nv12;
+			num_plane_formats =
+				ARRAY_SIZE(skl_plane_formats_with_nv12);
+		} else {
+			plane_formats = skl_plane_formats;
+			num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+		}
 	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		intel_plane->can_scale = false;
 		intel_plane->max_downscale = 1;
-- 
1.9.1

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