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

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

[Vidya Srinivas]

This patch series is adding NV12 support for Skylake 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.

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
  drm/i915: Add render decompression support

 drivers/gpu/drm/drm_fourcc.c         |   2 +-
 drivers/gpu/drm/i915/i915_reg.h      |  24 +++
 drivers/gpu/drm/i915/intel_atomic.c  |   8 +-
 drivers/gpu/drm/i915/intel_display.c | 313 ++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_drv.h     |   3 +-
 drivers/gpu/drm/i915/intel_pm.c      |  29 +++-
 drivers/gpu/drm/i915/intel_sprite.c  |  16 +-
 include/drm/drm_mode_config.h        |   3 +-
 include/uapi/drm/drm_fourcc.h        |   3 +
 9 files changed, 365 insertions(+), 36 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/drm_fourcc.c         |  2 +-
 drivers/gpu/drm/i915/intel_display.c | 37 ++++++++++++++++++++++++++++++++++++
 include/drm/drm_mode_config.h        |  3 ++-
 include/uapi/drm/drm_fourcc.h        |  3 +++
 4 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index 9c0152d..50da618 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -222,7 +222,7 @@ const struct drm_format_info *drm_format_info(u32 format)
 	const struct drm_format_info *info = NULL;
 
 	if (dev->mode_config.funcs->get_format_info)
-		info = dev->mode_config.funcs->get_format_info(mode_cmd);
+		info = dev->mode_config.funcs->get_format_info(dev, mode_cmd);
 
 	if (!info)
 		info = drm_format_info(mode_cmd->pixel_format);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2144adc..9fb2f37 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2433,6 +2433,42 @@ static unsigned int intel_fb_modifier_to_tiling(uint64_t fb_modifier)
 	}
 }
 
+static const struct drm_format_info ccs_formats[] = {
+	{ .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 2, .cpp = { 4, 1, }, .hsub = 16, .vsub = 8, },
+	{ .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 2, .cpp = { 4, 1, }, .hsub = 16, .vsub = 8, },
+	{ .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 2, .cpp = { 4, 1, }, .hsub = 16, .vsub = 8, },
+	{ .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2, .cpp = { 4, 1, }, .hsub = 16, .vsub = 8, },
+};
+
+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(struct drm_device *dev,
+		      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)
@@ -14622,6 +14658,7 @@ 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/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index 4298171..f0d3d38 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -81,7 +81,8 @@ struct drm_mode_config_funcs {
 	 * The format information specific to the given fb metadata, or
 	 * NULL if none is found.
 	 */
-	const struct drm_format_info *(*get_format_info)(const struct drm_mode_fb_cmd2 *mode_cmd);
+	const struct drm_format_info *(*get_format_info)(struct drm_device *dev,
+		const struct drm_mode_fb_cmd2 *mode_cmd);
 
 	/**
 	 * @output_poll_changed:
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 7586c46..ee59109 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -252,6 +252,9 @@
  */
 #define I915_FORMAT_MOD_Yf_TILED fourcc_mod_code(INTEL, 3)
 
+#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
  *
-- 
1.9.1

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[PATCH 2/8] drm/i915: Add render decompression support

[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.

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 | 241 ++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_pm.c      |  29 ++++-
 drivers/gpu/drm/i915/intel_sprite.c  |   5 +
 4 files changed, 279 insertions(+), 19 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 9fb2f37..8b3cea4 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1999,11 +1999,19 @@ 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:
@@ -2110,7 +2118,7 @@ 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) {
@@ -2120,6 +2128,8 @@ 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;
@@ -2427,6 +2437,7 @@ 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;
@@ -2492,6 +2503,36 @@ 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
@@ -2866,6 +2907,9 @@ 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) {
@@ -2888,6 +2932,44 @@ 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;
@@ -2930,7 +3012,7 @@ 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;
 			}
 
@@ -2939,6 +3021,26 @@ 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;
@@ -2975,6 +3077,49 @@ 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;
@@ -2998,6 +3143,11 @@ 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;
@@ -3304,8 +3454,12 @@ 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);
 	}
@@ -3378,6 +3532,7 @@ 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;
@@ -3414,6 +3569,10 @@ 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;
@@ -8461,10 +8620,16 @@ 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);
@@ -10619,7 +10784,7 @@ static void skl_do_mmio_flip(struct intel_crtc *intel_crtc,
 	u32 ctl, stride = skl_plane_stride(fb, 0, rotation);
 
 	ctl = I915_READ(PLANE_CTL(pipe, 0));
-	ctl &= ~PLANE_CTL_TILED_MASK;
+	ctl &= ~(PLANE_CTL_TILED_MASK | PLANE_CTL_DECOMPRESSION_ENABLE);
 	switch (fb->modifier) {
 	case DRM_FORMAT_MOD_LINEAR:
 		break;
@@ -10629,9 +10794,15 @@ static void skl_do_mmio_flip(struct intel_crtc *intel_crtc,
 	case I915_FORMAT_MOD_Y_TILED:
 		ctl |= PLANE_CTL_TILED_Y;
 		break;
+	case I915_FORMAT_MOD_Y_TILED_CCS:
+		ctl |= PLANE_CTL_TILED_Y | PLANE_CTL_DECOMPRESSION_ENABLE;
+		break;
 	case I915_FORMAT_MOD_Yf_TILED:
 		ctl |= PLANE_CTL_TILED_YF;
 		break;
+	case I915_FORMAT_MOD_Yf_TILED_CCS:
+		ctl |= PLANE_CTL_TILED_YF | PLANE_CTL_DECOMPRESSION_ENABLE;
+		break;
 	default:
 		MISSING_CASE(fb->modifier);
 	}
@@ -14456,10 +14627,12 @@ 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++;
@@ -14488,6 +14661,19 @@ 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) {
@@ -14592,25 +14778,46 @@ 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 6db833e..e22eb61 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 */
@@ -4476,6 +4494,13 @@ 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 += fixed_16_16_to_u32_round_up(y_tile_minimum);
+
+	/* Display WA #1126: skl,bxt,kbl,glk */
 	if (level >= 1 && level <= 7) {
 		if (y_tiled) {
 			res_blocks += fixed_16_16_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 94f9a13..5e2f4a9 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -244,6 +244,7 @@ void intel_pipe_update_end(struct intel_crtc *crtc, struct intel_flip_work *work
 	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);
@@ -278,6 +279,10 @@ void intel_pipe_update_end(struct intel_crtc *crtc, struct intel_flip_work *work
 	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.

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.

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 5e2f4a9..8deb635 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;
@@ -336,7 +337,7 @@ void intel_pipe_update_end(struct intel_crtc *crtc, struct intel_flip_work *work
 	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;
 
 	/*
@@ -900,7 +901,7 @@ 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.

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 | 28 ++++++++++++++++++++--------
 drivers/gpu/drm/i915/intel_drv.h     |  3 ++-
 drivers/gpu/drm/i915/intel_sprite.c  |  3 ++-
 3 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8b3cea4..2fb267d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3438,6 +3438,8 @@ 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);
 	}
@@ -4801,7 +4803,8 @@ 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;
@@ -4817,7 +4820,8 @@ 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+
@@ -4893,7 +4897,7 @@ 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);
 }
 
 /**
@@ -4923,7 +4927,8 @@ 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;
@@ -4949,6 +4954,7 @@ 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",
@@ -13656,7 +13662,8 @@ 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;
@@ -13682,8 +13689,9 @@ 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));
+	max_scale = min((1 << 16) *
+				(pixel_format == DRM_FORMAT_NV12 ? 2 : 3) - 1,
+				(1 << 8) * ((max_dotclk << 8) / crtc_clock));
 
 	return max_scale;
 }
@@ -13704,7 +13712,11 @@ 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 d17a324..0576d4b 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1480,7 +1480,8 @@ 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 8deb635..9a6b011 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -823,7 +823,8 @@ 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.

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 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2fb267d..d86dd64 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -85,6 +85,7 @@ static bool is_mmio_work(struct intel_flip_work *work)
 	DRM_FORMAT_YVYU,
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
 };
 
 /* Cursor formats */
@@ -13999,7 +14000,6 @@ void intel_plane_destroy(struct drm_plane *plane)
 	if (INTEL_GEN(dev_priv) >= 9) {
 		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.

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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[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)

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 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d86dd64..dfda54e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14780,6 +14780,11 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 			goto err;
 		}
 		break;
+	case DRM_FORMAT_NV12:
+		if (INTEL_GEN(dev_priv) >= 9)
+			if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
+				break;
+		goto err;
 	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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✓ Fi.CI.BAT: success for Adding NV12 support for SKL display (rev5)

[Patchwork]

== Series Details ==

Series: Adding NV12 support for SKL display (rev5)
URL   : https://patchwork.freedesktop.org/series/25377/
State : success

== Summary ==

Series 25377v5 Adding NV12 support for SKL display
https://patchwork.freedesktop.org/api/1.0/series/25377/revisions/5/mbox/

Test kms_pipe_crc_basic:
        Subgroup hang-read-crc-pipe-a:
                pass       -> DMESG-WARN (fi-pnv-d510) fdo#101597
        Subgroup suspend-read-crc-pipe-b:
                dmesg-warn -> PASS       (fi-byt-j1900) fdo#101705

fdo#101597 https://bugs.freedesktop.org/show_bug.cgi?id=101597
fdo#101705 https://bugs.freedesktop.org/show_bug.cgi?id=101705

fi-bdw-5557u     total:279  pass:268  dwarn:0   dfail:0   fail:0   skip:11  time:436s
fi-bdw-gvtdvm    total:279  pass:265  dwarn:0   dfail:0   fail:0   skip:14  time:431s
fi-blb-e6850     total:279  pass:224  dwarn:1   dfail:0   fail:0   skip:54  time:356s
fi-bsw-n3050     total:279  pass:243  dwarn:0   dfail:0   fail:0   skip:36  time:523s
fi-bxt-j4205     total:279  pass:260  dwarn:0   dfail:0   fail:0   skip:19  time:514s
fi-byt-j1900     total:279  pass:255  dwarn:0   dfail:0   fail:0   skip:24  time:492s
fi-byt-n2820     total:279  pass:250  dwarn:1   dfail:0   fail:0   skip:28  time:486s
fi-glk-2a        total:279  pass:260  dwarn:0   dfail:0   fail:0   skip:19  time:599s
fi-hsw-4770      total:279  pass:263  dwarn:0   dfail:0   fail:0   skip:16  time:442s
fi-hsw-4770r     total:279  pass:263  dwarn:0   dfail:0   fail:0   skip:16  time:412s
fi-ilk-650       total:279  pass:229  dwarn:0   dfail:0   fail:0   skip:50  time:426s
fi-ivb-3520m     total:279  pass:261  dwarn:0   dfail:0   fail:0   skip:18  time:503s
fi-ivb-3770      total:279  pass:261  dwarn:0   dfail:0   fail:0   skip:18  time:471s
fi-kbl-7500u     total:279  pass:261  dwarn:0   dfail:0   fail:0   skip:18  time:460s
fi-kbl-7560u     total:279  pass:269  dwarn:0   dfail:0   fail:0   skip:10  time:578s
fi-kbl-r         total:279  pass:260  dwarn:1   dfail:0   fail:0   skip:18  time:586s
fi-pnv-d510      total:279  pass:222  dwarn:2   dfail:0   fail:0   skip:55  time:564s
fi-skl-6260u     total:279  pass:269  dwarn:0   dfail:0   fail:0   skip:10  time:457s
fi-skl-6700hq    total:279  pass:262  dwarn:0   dfail:0   fail:0   skip:17  time:594s
fi-skl-6700k     total:279  pass:257  dwarn:4   dfail:0   fail:0   skip:18  time:469s
fi-skl-6770hq    total:279  pass:269  dwarn:0   dfail:0   fail:0   skip:10  time:477s
fi-skl-gvtdvm    total:279  pass:266  dwarn:0   dfail:0   fail:0   skip:13  time:439s
fi-skl-x1585l    total:279  pass:269  dwarn:0   dfail:0   fail:0   skip:10  time:500s
fi-snb-2520m     total:279  pass:251  dwarn:0   dfail:0   fail:0   skip:28  time:539s
fi-snb-2600      total:279  pass:250  dwarn:0   dfail:0   fail:0   skip:29  time:405s

85c472b33a364770b4c4af0caa8b8a828e0c0498 drm-tip: 2017y-07m-11d-14h-04m-44s UTC integration manifest
39f1ae5d drm/i915: Add NV12 support to intel_framebuffer_init
1dd7cae drm/i915: Add NV12 as supported format for sprite plane
26faf59 drm/i915: Add NV12 as supported format for primary plane
8ea488b drm/i915: Upscale scaler max scale for NV12
15c8578 drm/i915: Update format_is_yuv() to include NV12
4e2ec1c drm/i915: Set scaler mode for NV12
5721383 drm/i915: Add render decompression support
5663784 drm/i915: Implement .get_format_info() hook for CCS

== Logs ==

For more details see: https://intel-gfx-ci.01.org/CI/Patchwork_5162/
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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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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 8/8] drm/i915: Add NV12 support to intel_framebuffer_init

[Ville Syrjälä]

On Tue, Jul 11, 2017 at 07:40:56PM +0530, Vidya Srinivas wrote:
> 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)
> 
> 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 | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index d86dd64..dfda54e 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -14780,6 +14780,11 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
>  			goto err;
>  		}
>  		break;
> +	case DRM_FORMAT_NV12:
> +		if (INTEL_GEN(dev_priv) >= 9)
> +			if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
> +				break;

That doesn't really make sense. Are you trying to reject NV12 on SKL/BXT
or accept it? The gen>=9 check is redundant.

> +		goto err;
>  	default:
>  		DRM_DEBUG_KMS("unsupported pixel format: %s\n",
>  			      drm_get_format_name(mode_cmd->pixel_format, &format_name));
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

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

[Ville Syrjälä]

On Tue, Jul 11, 2017 at 07:40:54PM +0530, Vidya Srinivas wrote:
> 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.
> 
> 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 | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 2fb267d..d86dd64 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -85,6 +85,7 @@ static bool is_mmio_work(struct intel_flip_work *work)
>  	DRM_FORMAT_YVYU,
>  	DRM_FORMAT_UYVY,
>  	DRM_FORMAT_VYUY,
> +	DRM_FORMAT_NV12,

This has the same issues as the sprite patch.

>  };
>  
>  /* Cursor formats */
> @@ -13999,7 +14000,6 @@ void intel_plane_destroy(struct drm_plane *plane)
>  	if (INTEL_GEN(dev_priv) >= 9) {
>  		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
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel OTC
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

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

[Ville Syrjälä]

On Tue, Jul 11, 2017 at 07:40:53PM +0530, Vidya Srinivas 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.
> 
> 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 | 28 ++++++++++++++++++++--------
>  drivers/gpu/drm/i915/intel_drv.h     |  3 ++-
>  drivers/gpu/drm/i915/intel_sprite.c  |  3 ++-
>  3 files changed, 24 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 8b3cea4..2fb267d 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3438,6 +3438,8 @@ 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);
>  	}
> @@ -4801,7 +4803,8 @@ 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;
> @@ -4817,7 +4820,8 @@ 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);

Indentation is still messed in many places in the series.

>  
>  	/*
>  	 * Scaling/fitting not supported in IF-ID mode in GEN9+
> @@ -4893,7 +4897,7 @@ 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);
>  }
>  
>  /**
> @@ -4923,7 +4927,8 @@ 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;
> @@ -4949,6 +4954,7 @@ 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",
> @@ -13656,7 +13662,8 @@ 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;
> @@ -13682,8 +13689,9 @@ 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));
> +	max_scale = min((1 << 16) *
> +				(pixel_format == DRM_FORMAT_NV12 ? 2 : 3) - 1,
> +				(1 << 8) * ((max_dotclk << 8) / crtc_clock));

IIRC I already suggested to make this less convoluted by
splitting it up a bit.

>  
>  	return max_scale;
>  }
> @@ -13704,7 +13712,11 @@ 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 d17a324..0576d4b 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1480,7 +1480,8 @@ 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 8deb635..9a6b011 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -823,7 +823,8 @@ 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
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel OTC
_______________________________________________
Intel-gfx mailing list
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https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Re: [PATCH 0/8] Adding NV12 support for SKL display

[Ville Syrjälä]

On Tue, Jul 11, 2017 at 07:40:48PM +0530, Vidya Srinivas wrote:
> This patch series is adding NV12 support for Skylake 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.
> 
> 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
>   drm/i915: Add render decompression support

These two are some old stale versions of my CCS patches. I suppose it
shouldn't matter too much, as long as no one has based any userspace tests
on these since later versions will change how interpret fb->offsets[].

> 
>  drivers/gpu/drm/drm_fourcc.c         |   2 +-
>  drivers/gpu/drm/i915/i915_reg.h      |  24 +++
>  drivers/gpu/drm/i915/intel_atomic.c  |   8 +-
>  drivers/gpu/drm/i915/intel_display.c | 313 ++++++++++++++++++++++++++++++++---
>  drivers/gpu/drm/i915/intel_drv.h     |   3 +-
>  drivers/gpu/drm/i915/intel_pm.c      |  29 +++-
>  drivers/gpu/drm/i915/intel_sprite.c  |  16 +-
>  include/drm/drm_mode_config.h        |   3 +-
>  include/uapi/drm/drm_fourcc.h        |   3 +
>  9 files changed, 365 insertions(+), 36 deletions(-)
> 
> -- 
> 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
_______________________________________________
Intel-gfx mailing list
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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 0/8] Adding NV12 support for SKL display

[Hwang, Dongseong]

[-- Attachment #1.1: Type: text/plain, Size: 3538 bytes --]

Thank you for working on NV12 plane support. ChromeOS eagerly wants this
feature to save power on Youtube. If it's landed soon, I'll really
appreciate it.

Kristian is working on backporting it to the downstream ChromeOS kernel.
https://chromium-review.googlesource.com/c/601288

I tested it on my Apollo Lake chromebook, but there is blackscreen
flickering. NOTE: RGBA, RGBX, BGRA, BGRX, YUYV works without flickering.
https://goo.gl/photos/tr5VfMiKeyEpDg9K6

Best regards,
DS



On Tue, Jul 11, 2017 at 9:18 AM, Ville Syrjälä <
ville.syrjala@linux.intel.com> wrote:

> On Tue, Jul 11, 2017 at 07:40:48PM +0530, Vidya Srinivas wrote:
> > This patch series is adding NV12 support for Skylake 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.
> >
> > 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
> >   drm/i915: Add render decompression support
>
> These two are some old stale versions of my CCS patches. I suppose it
> shouldn't matter too much, as long as no one has based any userspace tests
> on these since later versions will change how interpret fb->offsets[].
>
> >
> >  drivers/gpu/drm/drm_fourcc.c         |   2 +-
> >  drivers/gpu/drm/i915/i915_reg.h      |  24 +++
> >  drivers/gpu/drm/i915/intel_atomic.c  |   8 +-
> >  drivers/gpu/drm/i915/intel_display.c | 313
> ++++++++++++++++++++++++++++++++---
> >  drivers/gpu/drm/i915/intel_drv.h     |   3 +-
> >  drivers/gpu/drm/i915/intel_pm.c      |  29 +++-
> >  drivers/gpu/drm/i915/intel_sprite.c  |  16 +-
> >  include/drm/drm_mode_config.h        |   3 +-
> >  include/uapi/drm/drm_fourcc.h        |   3 +
> >  9 files changed, 365 insertions(+), 36 deletions(-)
> >
> > --
> > 1.9.1
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Ville Syrjälä
> Intel OTC
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>

[-- Attachment #1.2: Type: text/html, Size: 5156 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

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Re: [PATCH 0/8] Adding NV12 support for SKL display

[Hwang, Dongseong]

I tested it on my Kaby Lake chromebook, and it works perfectly.

Best regards,
DS

On Thu, Aug 3, 2017 at 6:23 PM, Hwang, Dongseong
<dongseong.hwang@intel.com> wrote:
> Thank you for working on NV12 plane support. ChromeOS eagerly wants this
> feature to save power on Youtube. If it's landed soon, I'll really
> appreciate it.
>
> Kristian is working on backporting it to the downstream ChromeOS kernel.
> https://chromium-review.googlesource.com/c/601288
>
> I tested it on my Apollo Lake chromebook, but there is blackscreen
> flickering. NOTE: RGBA, RGBX, BGRA, BGRX, YUYV works without flickering.
> https://goo.gl/photos/tr5VfMiKeyEpDg9K6
>
> Best regards,
> DS
>
>
>
> On Tue, Jul 11, 2017 at 9:18 AM, Ville Syrjälä
> <ville.syrjala@linux.intel.com> wrote:
>>
>> On Tue, Jul 11, 2017 at 07:40:48PM +0530, Vidya Srinivas wrote:
>> > This patch series is adding NV12 support for Skylake 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.
>> >
>> > 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
>> >   drm/i915: Add render decompression support
>>
>> These two are some old stale versions of my CCS patches. I suppose it
>> shouldn't matter too much, as long as no one has based any userspace tests
>> on these since later versions will change how interpret fb->offsets[].
>>
>> >
>> >  drivers/gpu/drm/drm_fourcc.c         |   2 +-
>> >  drivers/gpu/drm/i915/i915_reg.h      |  24 +++
>> >  drivers/gpu/drm/i915/intel_atomic.c  |   8 +-
>> >  drivers/gpu/drm/i915/intel_display.c | 313
>> > ++++++++++++++++++++++++++++++++---
>> >  drivers/gpu/drm/i915/intel_drv.h     |   3 +-
>> >  drivers/gpu/drm/i915/intel_pm.c      |  29 +++-
>> >  drivers/gpu/drm/i915/intel_sprite.c  |  16 +-
>> >  include/drm/drm_mode_config.h        |   3 +-
>> >  include/uapi/drm/drm_fourcc.h        |   3 +
>> >  9 files changed, 365 insertions(+), 36 deletions(-)
>> >
>> > --
>> > 1.9.1
>> >
>> > _______________________________________________
>> > Intel-gfx mailing list
>> > Intel-gfx@lists.freedesktop.org
>> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>>
>> --
>> Ville Syrjälä
>> Intel OTC
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx@lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
>
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[PATCH 0/8] Adding NV12 support for SKL display

[Vidya Srinivas]

This patch series is adding NV12 support for Skylake 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.

Chandra Konduru (5):
  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

Daniel Vetter (1):
  drm-tip: 2017y-07m-10d-20h-48m-19s UTC integration manifest

Ville Syrjälä (2):
  drm/i915: Implement .get_format_info() hook for CCS
  drm/i915: Add render decompression support

 drivers/gpu/drm/drm_fourcc.c         |   2 +-
 drivers/gpu/drm/i915/i915_reg.h      |  24 +++
 drivers/gpu/drm/i915/intel_atomic.c  |   8 +-
 drivers/gpu/drm/i915/intel_display.c | 308 ++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_drv.h     |   3 +-
 drivers/gpu/drm/i915/intel_pm.c      |  29 +++-
 drivers/gpu/drm/i915/intel_sprite.c  |  16 +-
 include/drm/drm_mode_config.h        |   3 +-
 include/uapi/drm/drm_fourcc.h        |   3 +
 integration-manifest                 |  26 +++
 10 files changed, 386 insertions(+), 36 deletions(-)
 create mode 100644 integration-manifest

-- 
1.9.1

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

[Vidya Srinivas]

This patch series is adding NV12 support for Skylake 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

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
  drm/i915: Add render decompression support

 drivers/gpu/drm/drm_fourcc.c         |   2 +-
 drivers/gpu/drm/i915/i915_reg.h      |  24 +++
 drivers/gpu/drm/i915/intel_atomic.c  |   8 +-
 drivers/gpu/drm/i915/intel_display.c | 313 ++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_drv.h     |   3 +-
 drivers/gpu/drm/i915/intel_pm.c      |  29 +++-
 drivers/gpu/drm/i915/intel_sprite.c  |  20 ++-
 include/drm/drm_mode_config.h        |   3 +-
 include/uapi/drm/drm_fourcc.h        |   3 +
 9 files changed, 367 insertions(+), 38 deletions(-)

-- 
1.9.1

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

[Vidya Srinivas]

This patch series is adding NV12 support for Skylake 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

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
  drm/i915: Add render decompression support

 drivers/gpu/drm/drm_fourcc.c         |   2 +-
 drivers/gpu/drm/i915/i915_reg.h      |  24 +++
 drivers/gpu/drm/i915/intel_atomic.c  |   8 +-
 drivers/gpu/drm/i915/intel_display.c | 312 ++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_drv.h     |   3 +-
 drivers/gpu/drm/i915/intel_pm.c      |  29 +++-
 drivers/gpu/drm/i915/intel_sprite.c  |  18 +-
 include/drm/drm_mode_config.h        |   3 +-
 include/uapi/drm/drm_fourcc.h        |   3 +
 9 files changed, 366 insertions(+), 36 deletions(-)

-- 
1.9.1

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Re: [PATCH 0/8] Adding NV12 support for SKL display

[Jani Nikula]

On Wed, 07 Jun 2017, Vidya Srinivas <vidya.srinivas@intel.com> wrote:
> This patch series is adding NV12 support for Skylake 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

Please post new versions of entire series as new threads instead of
replying to previous threads.

Please do not add Link: to commit messages manually; they'll be added
automatically while applying, pointing to the patch that was actually
applied. You can not know the correct Link: in advance because it
doesn't exist until you've posted the patches...

BR,
Jani.


>
> 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.
>
> 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: Add render decompression support
>   drm/i915: Implement .get_format_info() hook for CCS
>
>  drivers/gpu/drm/drm_fourcc.c         |   2 +-
>  drivers/gpu/drm/i915/i915_reg.h      |  24 +++
>  drivers/gpu/drm/i915/intel_atomic.c  |   6 +
>  drivers/gpu/drm/i915/intel_display.c | 341 ++++++++++++++++++++++++++++++++---
>  drivers/gpu/drm/i915/intel_drv.h     |   3 +-
>  drivers/gpu/drm/i915/intel_pm.c      |  29 ++-
>  drivers/gpu/drm/i915/intel_sprite.c  |  39 +++-
>  include/drm/drm_mode_config.h        |   3 +-
>  include/uapi/drm/drm_fourcc.h        |   3 +
>  9 files changed, 410 insertions(+), 40 deletions(-)

-- 
Jani Nikula, Intel Open Source Technology Center
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[PATCH 0/8] Adding NV12 support for SKL display

[Vidya Srinivas]

This patch series is adding NV12 support for Skylake 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.

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
  drm/i915: Add render decompression support

 drivers/gpu/drm/drm_fourcc.c         |   2 +-
 drivers/gpu/drm/i915/i915_reg.h      |  24 +++
 drivers/gpu/drm/i915/intel_atomic.c  |   6 +
 drivers/gpu/drm/i915/intel_display.c | 341 ++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_drv.h     |   3 +-
 drivers/gpu/drm/i915/intel_pm.c      |  29 ++-
 drivers/gpu/drm/i915/intel_sprite.c  |  39 +++-
 include/drm/drm_mode_config.h        |   3 +-
 include/uapi/drm/drm_fourcc.h        |   3 +
 9 files changed, 410 insertions(+), 40 deletions(-)

-- 
1.9.1

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https://lists.freedesktop.org/mailman/listinfo/intel-gfx

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

[Vidya Srinivas]

This patch series is adding NV12 support for Skylake 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.

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: Add render decompression support
  drm/i915: Implement .get_format_info() hook for CCS

 drivers/gpu/drm/drm_fourcc.c         |   2 +-
 drivers/gpu/drm/i915/i915_reg.h      |  24 +++
 drivers/gpu/drm/i915/intel_atomic.c  |   6 +
 drivers/gpu/drm/i915/intel_display.c | 341 ++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_drv.h     |   3 +-
 drivers/gpu/drm/i915/intel_pm.c      |  29 ++-
 drivers/gpu/drm/i915/intel_sprite.c  |  39 +++-
 include/drm/drm_mode_config.h        |   3 +-
 include/uapi/drm/drm_fourcc.h        |   3 +
 9 files changed, 410 insertions(+), 40 deletions(-)

-- 
1.9.1

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