[PATCH v2 RESEND 0/2] Support 64 bpp half float formats

[PATCH v2 RESEND 0/2] Support 64 bpp half float formats

[Kevin Strasser]

This series defines new formats and adds implementation to the i915 driver.
Since posting v1 I have removed the pixel normalize property, as it's not needed
for basic functionality. Also, I have been working on adding support to
userspace, but we can't land any patches until drm_fourcc.h has been updated
here.

I have submitted a series to Mesa to make use of the RGBA ordered formats:
  https://patchwork.freedesktop.org/series/54759/

My igt branch is reworked to drop usage of pixel normalize and includes use
of f16c intrinsics to speed up conversion:
  https://gitlab.freedesktop.org/strassek/igt-gpu-tools/commits/fp16

I also have a libdrm branch with fp16 coverage added to modetest:
  https://gitlab.freedesktop.org/strassek/drm/commits/fp16

To serve as a smoke test of the whole stack I have a modified version of
kmscube:
  https://gitlab.freedesktop.org/strassek/kmscube/commits/fp16

Kevin Strasser (2):
  drm/fourcc: Add 64 bpp half float formats
  drm/i915/icl: Implement half float formats

 drivers/gpu/drm/drm_fourcc.c         |  4 +++
 drivers/gpu/drm/i915/intel_display.c | 22 ++++++++++++
 drivers/gpu/drm/i915/intel_sprite.c  | 67 ++++++++++++++++++++++++++++++++----
 include/uapi/drm/drm_fourcc.h        | 11 ++++++
 4 files changed, 98 insertions(+), 6 deletions(-)

-- 
2.7.4

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[PATCH v2 RESEND 1/2] drm/fourcc: Add 64 bpp half float formats

[Kevin Strasser]

Add 64 bpp 16:16:16:16 half float pixel formats. Each 16 bit component is
formatted in IEEE-754 half-precision float (binary16) 1:5:10
MSb-sign:exponent:fraction form.

This patch attempts to address the feedback provided when 2 of these
formats were previosly proposed:
  https://patchwork.kernel.org/patch/10072545/

v2:
- Fixed cpp (Ville)
- Added detail pixel formatting (Ville)
- Ordered formats in header (Ville)

Signed-off-by: Kevin Strasser <kevin.strasser@intel.com>
Cc: Tina Zhang <tina.zhang@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
---
 drivers/gpu/drm/drm_fourcc.c  |  4 ++++
 include/uapi/drm/drm_fourcc.h | 11 +++++++++++
 2 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index d90ee03..c866452 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -198,6 +198,10 @@ const struct drm_format_info *__drm_format_info(u32 format)
 		{ .format = DRM_FORMAT_ABGR8888,	.depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
 		{ .format = DRM_FORMAT_RGBA8888,	.depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
 		{ .format = DRM_FORMAT_BGRA8888,	.depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
+		{ .format = DRM_FORMAT_XRGB16161616F,	.depth = 48, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
+		{ .format = DRM_FORMAT_XBGR16161616F,	.depth = 48, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
+		{ .format = DRM_FORMAT_ARGB16161616F,	.depth = 64, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
+		{ .format = DRM_FORMAT_ABGR16161616F,	.depth = 64, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
 		{ .format = DRM_FORMAT_RGB888_A8,	.depth = 32, .num_planes = 2, .cpp = { 3, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
 		{ .format = DRM_FORMAT_BGR888_A8,	.depth = 32, .num_planes = 2, .cpp = { 3, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
 		{ .format = DRM_FORMAT_XRGB8888_A8,	.depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 91d08a2..c516b40 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -144,6 +144,17 @@ extern "C" {
 #define DRM_FORMAT_RGBA1010102	fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
 #define DRM_FORMAT_BGRA1010102	fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
 
+/*
+ * Floating point 64bpp RGB
+ * IEEE 754-2008 binary16 half-precision float
+ * [15:0] sign:exponent:mantissa 1:5:10
+ */
+#define DRM_FORMAT_XRGB16161616F fourcc_code('X', 'R', '4', 'H') /* [63:0] x:R:G:B 16:16:16:16 little endian */
+#define DRM_FORMAT_XBGR16161616F fourcc_code('X', 'B', '4', 'H') /* [63:0] x:B:G:R 16:16:16:16 little endian */
+
+#define DRM_FORMAT_ARGB16161616F fourcc_code('A', 'R', '4', 'H') /* [63:0] A:R:G:B 16:16:16:16 little endian */
+#define DRM_FORMAT_ABGR16161616F fourcc_code('A', 'B', '4', 'H') /* [63:0] A:B:G:R 16:16:16:16 little endian */
+
 /* packed YCbCr */
 #define DRM_FORMAT_YUYV		fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
 #define DRM_FORMAT_YVYU		fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
-- 
2.7.4

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[PATCH v2 RESEND 2/2] drm/i915/icl: Implement half float formats

[Kevin Strasser]

64 bpp half float formats are supported on hdr planes only and are subject
to the following restrictions:
  * 90/270 rotation not supported
  * Yf Tiling not supported
  * Frame Buffer Compression not supported
  * Color Keying not supported

v2:
- Drop handling pixel normalize register
- Don't use icl_is_hdr_plane too early

Signed-off-by: Kevin Strasser <kevin.strasser@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
---
 drivers/gpu/drm/i915/intel_display.c | 22 ++++++++++++
 drivers/gpu/drm/i915/intel_sprite.c  | 67 ++++++++++++++++++++++++++++++++----
 2 files changed, 83 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a6d8985..f413ccd 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2668,6 +2668,18 @@ int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
 		return DRM_FORMAT_RGB565;
 	case PLANE_CTL_FORMAT_NV12:
 		return DRM_FORMAT_NV12;
+	case PLANE_CTL_FORMAT_XRGB_16161616F:
+		if (rgb_order) {
+			if (alpha)
+				return DRM_FORMAT_ABGR16161616F;
+			else
+				return DRM_FORMAT_XBGR16161616F;
+		} else {
+			if (alpha)
+				return DRM_FORMAT_ARGB16161616F;
+			else
+				return DRM_FORMAT_XRGB16161616F;
+		}
 	default:
 	case PLANE_CTL_FORMAT_XRGB_8888:
 		if (rgb_order) {
@@ -3566,6 +3578,12 @@ static u32 skl_plane_ctl_format(u32 pixel_format)
 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY;
 	case DRM_FORMAT_NV12:
 		return PLANE_CTL_FORMAT_NV12;
+	case DRM_FORMAT_XBGR16161616F:
+	case DRM_FORMAT_ABGR16161616F:
+		return PLANE_CTL_FORMAT_XRGB_16161616F | PLANE_CTL_ORDER_RGBX;
+	case DRM_FORMAT_XRGB16161616F:
+	case DRM_FORMAT_ARGB16161616F:
+		return PLANE_CTL_FORMAT_XRGB_16161616F;
 	default:
 		MISSING_CASE(pixel_format);
 	}
@@ -5069,6 +5087,10 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
 	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_XBGR16161616F:
+	case DRM_FORMAT_ABGR16161616F:
+	case DRM_FORMAT_XRGB16161616F:
+	case DRM_FORMAT_ARGB16161616F:
 		break;
 	default:
 		DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n",
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index cd42e81..97f9d05 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1450,8 +1450,6 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
 		/*
 		 * 90/270 is not allowed with RGB64 16:16:16:16 and
 		 * Indexed 8-bit. RGB 16-bit 5:6:5 is allowed gen11 onwards.
-		 * TBD: Add RGB64 case once its added in supported format
-		 * list.
 		 */
 		switch (fb->format->format) {
 		case DRM_FORMAT_RGB565:
@@ -1459,6 +1457,10 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
 				break;
 			/* fall through */
 		case DRM_FORMAT_C8:
+		case DRM_FORMAT_XRGB16161616F:
+		case DRM_FORMAT_XBGR16161616F:
+		case DRM_FORMAT_ARGB16161616F:
+		case DRM_FORMAT_ABGR16161616F:
 			DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n",
 				      drm_get_format_name(fb->format->format,
 							  &format_name));
@@ -1774,6 +1776,45 @@ static const u32 skl_planar_formats[] = {
 	DRM_FORMAT_NV12,
 };
 
+static const uint32_t icl_hdr_plane_formats[] = {
+	DRM_FORMAT_C8,
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_XRGB2101010,
+	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_XRGB16161616F,
+	DRM_FORMAT_XBGR16161616F,
+	DRM_FORMAT_ARGB16161616F,
+	DRM_FORMAT_ABGR16161616F,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
+};
+
+static const uint32_t icl_hdr_planar_formats[] = {
+	DRM_FORMAT_C8,
+	DRM_FORMAT_RGB565,
+	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_ABGR8888,
+	DRM_FORMAT_XRGB2101010,
+	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_XRGB16161616F,
+	DRM_FORMAT_XBGR16161616F,
+	DRM_FORMAT_ARGB16161616F,
+	DRM_FORMAT_ABGR16161616F,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
+	DRM_FORMAT_NV12,
+};
+
 static const u64 skl_plane_format_modifiers_noccs[] = {
 	I915_FORMAT_MOD_Yf_TILED,
 	I915_FORMAT_MOD_Y_TILED,
@@ -1917,6 +1958,10 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
 			return true;
 		/* fall through */
 	case DRM_FORMAT_C8:
+	case DRM_FORMAT_XBGR16161616F:
+	case DRM_FORMAT_ABGR16161616F:
+	case DRM_FORMAT_XRGB16161616F:
+	case DRM_FORMAT_ARGB16161616F:
 		if (modifier == DRM_FORMAT_MOD_LINEAR ||
 		    modifier == I915_FORMAT_MOD_X_TILED ||
 		    modifier == I915_FORMAT_MOD_Y_TILED)
@@ -2053,11 +2098,21 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
 		plane->update_slave = icl_update_slave;
 
 	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
-		formats = skl_planar_formats;
-		num_formats = ARRAY_SIZE(skl_planar_formats);
+		if (INTEL_GEN(dev_priv) > 10 && plane_id < PLANE_SPRITE2) {
+			formats = icl_hdr_planar_formats;
+			num_formats = ARRAY_SIZE(icl_hdr_planar_formats);
+		} else {
+			formats = skl_planar_formats;
+			num_formats = ARRAY_SIZE(skl_planar_formats);
+		}
 	} else {
-		formats = skl_plane_formats;
-		num_formats = ARRAY_SIZE(skl_plane_formats);
+		if (INTEL_GEN(dev_priv) > 10 && plane_id < PLANE_SPRITE2) {
+			formats = icl_hdr_plane_formats;
+			num_formats = ARRAY_SIZE(icl_hdr_plane_formats);
+		} else {
+			formats = skl_plane_formats;
+			num_formats = ARRAY_SIZE(skl_plane_formats);
+		}
 	}
 
 	plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id);
-- 
2.7.4

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✗ Fi.CI.CHECKPATCH: warning for Support 64 bpp half float formats (rev3)

[Patchwork]

== Series Details ==

Series: Support 64 bpp half float formats (rev3)
URL   : https://patchwork.freedesktop.org/series/53212/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
bb513dd0a6fe drm/fourcc: Add 64 bpp half float formats
-:39: WARNING:LONG_LINE: line over 100 characters
#39: FILE: drivers/gpu/drm/drm_fourcc.c:201:
+		{ .format = DRM_FORMAT_XRGB16161616F,	.depth = 48, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },

-:40: WARNING:LONG_LINE: line over 100 characters
#40: FILE: drivers/gpu/drm/drm_fourcc.c:202:
+		{ .format = DRM_FORMAT_XBGR16161616F,	.depth = 48, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },

-:41: WARNING:LONG_LINE: line over 100 characters
#41: FILE: drivers/gpu/drm/drm_fourcc.c:203:
+		{ .format = DRM_FORMAT_ARGB16161616F,	.depth = 64, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },

-:42: WARNING:LONG_LINE: line over 100 characters
#42: FILE: drivers/gpu/drm/drm_fourcc.c:204:
+		{ .format = DRM_FORMAT_ABGR16161616F,	.depth = 64, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },

-:59: WARNING:LONG_LINE_COMMENT: line over 100 characters
#59: FILE: include/uapi/drm/drm_fourcc.h:152:
+#define DRM_FORMAT_XRGB16161616F fourcc_code('X', 'R', '4', 'H') /* [63:0] x:R:G:B 16:16:16:16 little endian */

-:60: WARNING:LONG_LINE_COMMENT: line over 100 characters
#60: FILE: include/uapi/drm/drm_fourcc.h:153:
+#define DRM_FORMAT_XBGR16161616F fourcc_code('X', 'B', '4', 'H') /* [63:0] x:B:G:R 16:16:16:16 little endian */

-:62: WARNING:LONG_LINE_COMMENT: line over 100 characters
#62: FILE: include/uapi/drm/drm_fourcc.h:155:
+#define DRM_FORMAT_ARGB16161616F fourcc_code('A', 'R', '4', 'H') /* [63:0] A:R:G:B 16:16:16:16 little endian */

-:63: WARNING:LONG_LINE_COMMENT: line over 100 characters
#63: FILE: include/uapi/drm/drm_fourcc.h:156:
+#define DRM_FORMAT_ABGR16161616F fourcc_code('A', 'B', '4', 'H') /* [63:0] A:B:G:R 16:16:16:16 little endian */

total: 0 errors, 8 warnings, 0 checks, 27 lines checked
076507575eff drm/i915/icl: Implement half float formats
-:103: CHECK:PREFER_KERNEL_TYPES: Prefer kernel type 'u32' over 'uint32_t'
#103: FILE: drivers/gpu/drm/i915/intel_sprite.c:1779:
+static const uint32_t icl_hdr_plane_formats[] = {

-:122: CHECK:PREFER_KERNEL_TYPES: Prefer kernel type 'u32' over 'uint32_t'
#122: FILE: drivers/gpu/drm/i915/intel_sprite.c:1798:
+static const uint32_t icl_hdr_planar_formats[] = {

total: 0 errors, 0 warnings, 2 checks, 138 lines checked

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✓ Fi.CI.BAT: success for Support 64 bpp half float formats (rev3)

[Patchwork]

== Series Details ==

Series: Support 64 bpp half float formats (rev3)
URL   : https://patchwork.freedesktop.org/series/53212/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_5526 -> Patchwork_12120
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/53212/revisions/3/mbox/

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in Patchwork_12120:

### IGT changes ###

#### Suppressed ####

  The following results come from untrusted machines, tests, or statuses.
  They do not affect the overall result.

  * igt@kms_frontbuffer_tracking@basic:
    - {fi-icl-y}:         NOTRUN -> {SKIP} +1

  
Known issues
------------

  Here are the changes found in Patchwork_12120 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_exec_suspend@basic-s3:
    - fi-blb-e6850:       PASS -> INCOMPLETE [fdo#107718]

  * igt@i915_selftest@live_execlists:
    - fi-apl-guc:         PASS -> INCOMPLETE [fdo#103927]

  * igt@kms_busy@basic-flip-a:
    - fi-gdg-551:         PASS -> FAIL [fdo#103182]

  * igt@kms_frontbuffer_tracking@basic:
    - fi-byt-clapper:     PASS -> FAIL [fdo#103167]

  * igt@kms_pipe_crc_basic@nonblocking-crc-pipe-a-frame-sequence:
    - fi-byt-clapper:     PASS -> FAIL [fdo#103191] / [fdo#107362]

  * igt@kms_pipe_crc_basic@read-crc-pipe-b:
    - fi-byt-clapper:     PASS -> FAIL [fdo#107362]

  
#### Possible fixes ####

  * igt@kms_pipe_crc_basic@nonblocking-crc-pipe-a:
    - fi-byt-clapper:     FAIL [fdo#107362] -> PASS

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#103167]: https://bugs.freedesktop.org/show_bug.cgi?id=103167
  [fdo#103182]: https://bugs.freedesktop.org/show_bug.cgi?id=103182
  [fdo#103191]: https://bugs.freedesktop.org/show_bug.cgi?id=103191
  [fdo#103927]: https://bugs.freedesktop.org/show_bug.cgi?id=103927
  [fdo#107362]: https://bugs.freedesktop.org/show_bug.cgi?id=107362
  [fdo#107718]: https://bugs.freedesktop.org/show_bug.cgi?id=107718
  [fdo#108569]: https://bugs.freedesktop.org/show_bug.cgi?id=108569
  [fdo#108622]: https://bugs.freedesktop.org/show_bug.cgi?id=108622
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109276]: https://bugs.freedesktop.org/show_bug.cgi?id=109276
  [fdo#109278]: https://bugs.freedesktop.org/show_bug.cgi?id=109278
  [fdo#109284]: https://bugs.freedesktop.org/show_bug.cgi?id=109284
  [fdo#109285]: https://bugs.freedesktop.org/show_bug.cgi?id=109285
  [fdo#109289]: https://bugs.freedesktop.org/show_bug.cgi?id=109289
  [fdo#109294]: https://bugs.freedesktop.org/show_bug.cgi?id=109294
  [fdo#109315]: https://bugs.freedesktop.org/show_bug.cgi?id=109315
  [fdo#109527]: https://bugs.freedesktop.org/show_bug.cgi?id=109527
  [fdo#109528]: https://bugs.freedesktop.org/show_bug.cgi?id=109528
  [fdo#109530]: https://bugs.freedesktop.org/show_bug.cgi?id=109530


Participating hosts (48 -> 44)
------------------------------

  Additional (2): fi-icl-y fi-ivb-3520m 
  Missing    (6): fi-kbl-soraka fi-ilk-m540 fi-skl-guc fi-byt-squawks fi-bsw-cyan fi-snb-2600 


Build changes
-------------

    * Linux: CI_DRM_5526 -> Patchwork_12120

  CI_DRM_5526: 482f9674140cbe8fddb18714bb95028cd9bfc1d1 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_4803: 973367176b61e81b5ca811620adb0467f6570aec @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_12120: 076507575effcb745ac8e08f84601405fe1a2915 @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

076507575eff drm/i915/icl: Implement half float formats
bb513dd0a6fe drm/fourcc: Add 64 bpp half float formats

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_12120/
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✓ Fi.CI.IGT: success for Support 64 bpp half float formats (rev3)

[Patchwork]

== Series Details ==

Series: Support 64 bpp half float formats (rev3)
URL   : https://patchwork.freedesktop.org/series/53212/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_5526_full -> Patchwork_12120_full
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  

Known issues
------------

  Here are the changes found in Patchwork_12120_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_exec_schedule@pi-ringfull-blt:
    - shard-apl:          NOTRUN -> FAIL [fdo#103158] +1

  * igt@kms_busy@extended-modeset-hang-newfb-render-a:
    - shard-apl:          NOTRUN -> DMESG-WARN [fdo#107956]

  * igt@kms_ccs@pipe-a-crc-sprite-planes-basic:
    - shard-apl:          PASS -> FAIL [fdo#106510] / [fdo#108145]

  * igt@kms_color@pipe-a-legacy-gamma:
    - shard-apl:          NOTRUN -> FAIL [fdo#104782] / [fdo#108145]

  * igt@kms_cursor_crc@cursor-128x42-onscreen:
    - shard-glk:          PASS -> FAIL [fdo#103232] +4

  * igt@kms_cursor_crc@cursor-256x256-suspend:
    - shard-apl:          PASS -> DMESG-FAIL [fdo#103232] / [fdo#103558] / [fdo#105602]

  * igt@kms_flip@dpms-vs-vblank-race:
    - shard-glk:          PASS -> FAIL [fdo#103060]

  * igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-onoff:
    - shard-apl:          PASS -> FAIL [fdo#103167] +1

  * igt@kms_frontbuffer_tracking@fbc-2p-primscrn-spr-indfb-draw-mmap-wc:
    - shard-glk:          PASS -> FAIL [fdo#103167] +2

  * igt@kms_plane_alpha_blend@pipe-a-constant-alpha-max:
    - shard-apl:          NOTRUN -> FAIL [fdo#108145]

  * igt@kms_plane_multiple@atomic-pipe-b-tiling-none:
    - shard-apl:          PASS -> FAIL [fdo#103166] +1

  * igt@kms_plane_multiple@atomic-pipe-b-tiling-y:
    - shard-apl:          NOTRUN -> FAIL [fdo#103166] +2

  * igt@kms_sysfs_edid_timing:
    - shard-apl:          NOTRUN -> FAIL [fdo#100047]

  * igt@kms_vblank@pipe-a-query-forked-busy-hang:
    - shard-apl:          PASS -> DMESG-WARN [fdo#103558] / [fdo#105602] +7

  * igt@kms_vblank@pipe-b-query-forked-hang:
    - shard-snb:          PASS -> INCOMPLETE [fdo#105411]

  
#### Possible fixes ####

  * igt@kms_busy@extended-modeset-hang-newfb-render-c:
    - shard-kbl:          DMESG-WARN [fdo#107956] -> PASS

  * igt@kms_color@pipe-a-degamma:
    - shard-apl:          FAIL [fdo#104782] / [fdo#108145] -> PASS

  * igt@kms_cursor_crc@cursor-256x85-sliding:
    - shard-apl:          FAIL [fdo#103232] -> PASS +2
    - shard-glk:          FAIL [fdo#103232] -> PASS +1

  * igt@kms_cursor_legacy@2x-long-nonblocking-modeset-vs-cursor-atomic:
    - shard-glk:          FAIL [fdo#105454] / [fdo#106509] -> PASS

  * igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-draw-blt:
    - shard-apl:          FAIL [fdo#103167] -> PASS

  * igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-move:
    - shard-glk:          FAIL [fdo#103167] -> PASS +3

  * igt@kms_plane_multiple@atomic-pipe-c-tiling-yf:
    - shard-apl:          FAIL [fdo#103166] -> PASS +2

  * igt@kms_setmode@basic:
    - shard-kbl:          FAIL [fdo#99912] -> PASS

  * igt@kms_universal_plane@universal-plane-pipe-b-functional:
    - shard-glk:          FAIL [fdo#103166] -> PASS +1

  * igt@pm_rc6_residency@rc6-accuracy:
    - shard-snb:          {SKIP} [fdo#109271] -> PASS

  
#### Warnings ####

  * igt@kms_plane_alpha_blend@pipe-c-alpha-transparant-fb:
    - shard-apl:          DMESG-FAIL [fdo#103558] / [fdo#105602] / [fdo#108145] -> FAIL [fdo#108145]

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#100047]: https://bugs.freedesktop.org/show_bug.cgi?id=100047
  [fdo#103060]: https://bugs.freedesktop.org/show_bug.cgi?id=103060
  [fdo#103158]: https://bugs.freedesktop.org/show_bug.cgi?id=103158
  [fdo#103166]: https://bugs.freedesktop.org/show_bug.cgi?id=103166
  [fdo#103167]: https://bugs.freedesktop.org/show_bug.cgi?id=103167
  [fdo#103232]: https://bugs.freedesktop.org/show_bug.cgi?id=103232
  [fdo#103558]: https://bugs.freedesktop.org/show_bug.cgi?id=103558
  [fdo#104782]: https://bugs.freedesktop.org/show_bug.cgi?id=104782
  [fdo#105411]: https://bugs.freedesktop.org/show_bug.cgi?id=105411
  [fdo#105454]: https://bugs.freedesktop.org/show_bug.cgi?id=105454
  [fdo#105602]: https://bugs.freedesktop.org/show_bug.cgi?id=105602
  [fdo#106509]: https://bugs.freedesktop.org/show_bug.cgi?id=106509
  [fdo#106510]: https://bugs.freedesktop.org/show_bug.cgi?id=106510
  [fdo#107956]: https://bugs.freedesktop.org/show_bug.cgi?id=107956
  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109278]: https://bugs.freedesktop.org/show_bug.cgi?id=109278
  [fdo#109373]: https://bugs.freedesktop.org/show_bug.cgi?id=109373
  [fdo#99912]: https://bugs.freedesktop.org/show_bug.cgi?id=99912


Participating hosts (7 -> 5)
------------------------------

  Missing    (2): shard-skl shard-iclb 


Build changes
-------------

    * Linux: CI_DRM_5526 -> Patchwork_12120

  CI_DRM_5526: 482f9674140cbe8fddb18714bb95028cd9bfc1d1 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_4803: 973367176b61e81b5ca811620adb0467f6570aec @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_12120: 076507575effcb745ac8e08f84601405fe1a2915 @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_12120/
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Re: [PATCH v2 RESEND 1/2] drm/fourcc: Add 64 bpp half float formats

[Ville Syrjälä]

On Fri, Feb 01, 2019 at 09:43:39AM -0800, Kevin Strasser wrote:
> Add 64 bpp 16:16:16:16 half float pixel formats. Each 16 bit component is
> formatted in IEEE-754 half-precision float (binary16) 1:5:10
> MSb-sign:exponent:fraction form.
> 
> This patch attempts to address the feedback provided when 2 of these
> formats were previosly proposed:
>   https://patchwork.kernel.org/patch/10072545/
> 
> v2:
> - Fixed cpp (Ville)
> - Added detail pixel formatting (Ville)
> - Ordered formats in header (Ville)
> 
> Signed-off-by: Kevin Strasser <kevin.strasser@intel.com>
> Cc: Tina Zhang <tina.zhang@intel.com>
> Cc: Uma Shankar <uma.shankar@intel.com>
> Cc: Shashank Sharma <shashank.sharma@intel.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: dri-devel@lists.freedesktop.org

This lgtm:
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> ---
>  drivers/gpu/drm/drm_fourcc.c  |  4 ++++
>  include/uapi/drm/drm_fourcc.h | 11 +++++++++++
>  2 files changed, 15 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
> index d90ee03..c866452 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -198,6 +198,10 @@ const struct drm_format_info *__drm_format_info(u32 format)
>  		{ .format = DRM_FORMAT_ABGR8888,	.depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
>  		{ .format = DRM_FORMAT_RGBA8888,	.depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
>  		{ .format = DRM_FORMAT_BGRA8888,	.depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
> +		{ .format = DRM_FORMAT_XRGB16161616F,	.depth = 48, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
> +		{ .format = DRM_FORMAT_XBGR16161616F,	.depth = 48, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
> +		{ .format = DRM_FORMAT_ARGB16161616F,	.depth = 64, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
> +		{ .format = DRM_FORMAT_ABGR16161616F,	.depth = 64, .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
>  		{ .format = DRM_FORMAT_RGB888_A8,	.depth = 32, .num_planes = 2, .cpp = { 3, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
>  		{ .format = DRM_FORMAT_BGR888_A8,	.depth = 32, .num_planes = 2, .cpp = { 3, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
>  		{ .format = DRM_FORMAT_XRGB8888_A8,	.depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 91d08a2..c516b40 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -144,6 +144,17 @@ extern "C" {
>  #define DRM_FORMAT_RGBA1010102	fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
>  #define DRM_FORMAT_BGRA1010102	fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
>  
> +/*
> + * Floating point 64bpp RGB
> + * IEEE 754-2008 binary16 half-precision float
> + * [15:0] sign:exponent:mantissa 1:5:10
> + */
> +#define DRM_FORMAT_XRGB16161616F fourcc_code('X', 'R', '4', 'H') /* [63:0] x:R:G:B 16:16:16:16 little endian */
> +#define DRM_FORMAT_XBGR16161616F fourcc_code('X', 'B', '4', 'H') /* [63:0] x:B:G:R 16:16:16:16 little endian */
> +
> +#define DRM_FORMAT_ARGB16161616F fourcc_code('A', 'R', '4', 'H') /* [63:0] A:R:G:B 16:16:16:16 little endian */
> +#define DRM_FORMAT_ABGR16161616F fourcc_code('A', 'B', '4', 'H') /* [63:0] A:B:G:R 16:16:16:16 little endian */
> +
>  /* packed YCbCr */
>  #define DRM_FORMAT_YUYV		fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
>  #define DRM_FORMAT_YVYU		fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
> -- 
> 2.7.4

-- 
Ville Syrjälä
Intel
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Re: [PATCH v2 RESEND 2/2] drm/i915/icl: Implement half float formats

[Ville Syrjälä]

On Fri, Feb 01, 2019 at 09:43:40AM -0800, Kevin Strasser wrote:
> 64 bpp half float formats are supported on hdr planes only and are subject
> to the following restrictions:
>   * 90/270 rotation not supported
>   * Yf Tiling not supported
>   * Frame Buffer Compression not supported
>   * Color Keying not supported
> 
> v2:
> - Drop handling pixel normalize register
> - Don't use icl_is_hdr_plane too early
> 
> Signed-off-by: Kevin Strasser <kevin.strasser@intel.com>
> Cc: Uma Shankar <uma.shankar@intel.com>
> Cc: Shashank Sharma <shashank.sharma@intel.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: dri-devel@lists.freedesktop.org
> ---
>  drivers/gpu/drm/i915/intel_display.c | 22 ++++++++++++
>  drivers/gpu/drm/i915/intel_sprite.c  | 67 ++++++++++++++++++++++++++++++++----
>  2 files changed, 83 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index a6d8985..f413ccd 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2668,6 +2668,18 @@ int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
>  		return DRM_FORMAT_RGB565;
>  	case PLANE_CTL_FORMAT_NV12:
>  		return DRM_FORMAT_NV12;
> +	case PLANE_CTL_FORMAT_XRGB_16161616F:
> +		if (rgb_order) {
> +			if (alpha)
> +				return DRM_FORMAT_ABGR16161616F;
> +			else
> +				return DRM_FORMAT_XBGR16161616F;
> +		} else {
> +			if (alpha)
> +				return DRM_FORMAT_ARGB16161616F;
> +			else
> +				return DRM_FORMAT_XRGB16161616F;
> +		}
>  	default:
>  	case PLANE_CTL_FORMAT_XRGB_8888:
>  		if (rgb_order) {
> @@ -3566,6 +3578,12 @@ static u32 skl_plane_ctl_format(u32 pixel_format)
>  		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY;
>  	case DRM_FORMAT_NV12:
>  		return PLANE_CTL_FORMAT_NV12;
> +	case DRM_FORMAT_XBGR16161616F:
> +	case DRM_FORMAT_ABGR16161616F:
> +		return PLANE_CTL_FORMAT_XRGB_16161616F | PLANE_CTL_ORDER_RGBX;
> +	case DRM_FORMAT_XRGB16161616F:
> +	case DRM_FORMAT_ARGB16161616F:
> +		return PLANE_CTL_FORMAT_XRGB_16161616F;
>  	default:
>  		MISSING_CASE(pixel_format);
>  	}
> @@ -5069,6 +5087,10 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
>  	case DRM_FORMAT_UYVY:
>  	case DRM_FORMAT_VYUY:
>  	case DRM_FORMAT_NV12:
> +	case DRM_FORMAT_XBGR16161616F:
> +	case DRM_FORMAT_ABGR16161616F:
> +	case DRM_FORMAT_XRGB16161616F:
> +	case DRM_FORMAT_ARGB16161616F:
>  		break;
>  	default:
>  		DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n",
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index cd42e81..97f9d05 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1450,8 +1450,6 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
>  		/*
>  		 * 90/270 is not allowed with RGB64 16:16:16:16 and
>  		 * Indexed 8-bit. RGB 16-bit 5:6:5 is allowed gen11 onwards.
> -		 * TBD: Add RGB64 case once its added in supported format
> -		 * list.
>  		 */
>  		switch (fb->format->format) {
>  		case DRM_FORMAT_RGB565:
> @@ -1459,6 +1457,10 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
>  				break;
>  			/* fall through */
>  		case DRM_FORMAT_C8:
> +		case DRM_FORMAT_XRGB16161616F:
> +		case DRM_FORMAT_XBGR16161616F:
> +		case DRM_FORMAT_ARGB16161616F:
> +		case DRM_FORMAT_ABGR16161616F:
>  			DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n",
>  				      drm_get_format_name(fb->format->format,
>  							  &format_name));
> @@ -1774,6 +1776,45 @@ static const u32 skl_planar_formats[] = {
>  	DRM_FORMAT_NV12,
>  };
>  
> +static const uint32_t icl_hdr_plane_formats[] = {

Please switch to u32 & co. We recently had a mass conversion in the
driver.

> +	DRM_FORMAT_C8,
> +	DRM_FORMAT_RGB565,
> +	DRM_FORMAT_XRGB8888,
> +	DRM_FORMAT_XBGR8888,
> +	DRM_FORMAT_ARGB8888,
> +	DRM_FORMAT_ABGR8888,
> +	DRM_FORMAT_XRGB2101010,
> +	DRM_FORMAT_XBGR2101010,

I just noticed that icl should also support alpha for 10bpc. But that's
not relevant for this patch.

> +	DRM_FORMAT_XRGB16161616F,
> +	DRM_FORMAT_XBGR16161616F,
> +	DRM_FORMAT_ARGB16161616F,
> +	DRM_FORMAT_ABGR16161616F,
> +	DRM_FORMAT_YUYV,
> +	DRM_FORMAT_YVYU,
> +	DRM_FORMAT_UYVY,
> +	DRM_FORMAT_VYUY,
> +};
> +
> +static const uint32_t icl_hdr_planar_formats[] = {
> +	DRM_FORMAT_C8,
> +	DRM_FORMAT_RGB565,
> +	DRM_FORMAT_XRGB8888,
> +	DRM_FORMAT_XBGR8888,
> +	DRM_FORMAT_ARGB8888,
> +	DRM_FORMAT_ABGR8888,
> +	DRM_FORMAT_XRGB2101010,
> +	DRM_FORMAT_XBGR2101010,
> +	DRM_FORMAT_XRGB16161616F,
> +	DRM_FORMAT_XBGR16161616F,
> +	DRM_FORMAT_ARGB16161616F,
> +	DRM_FORMAT_ABGR16161616F,
> +	DRM_FORMAT_YUYV,
> +	DRM_FORMAT_YVYU,
> +	DRM_FORMAT_UYVY,
> +	DRM_FORMAT_VYUY,
> +	DRM_FORMAT_NV12,
> +};
> +
>  static const u64 skl_plane_format_modifiers_noccs[] = {
>  	I915_FORMAT_MOD_Yf_TILED,
>  	I915_FORMAT_MOD_Y_TILED,
> @@ -1917,6 +1958,10 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
>  			return true;
>  		/* fall through */
>  	case DRM_FORMAT_C8:
> +	case DRM_FORMAT_XBGR16161616F:
> +	case DRM_FORMAT_ABGR16161616F:
> +	case DRM_FORMAT_XRGB16161616F:
> +	case DRM_FORMAT_ARGB16161616F:
>  		if (modifier == DRM_FORMAT_MOD_LINEAR ||
>  		    modifier == I915_FORMAT_MOD_X_TILED ||
>  		    modifier == I915_FORMAT_MOD_Y_TILED)
> @@ -2053,11 +2098,21 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
>  		plane->update_slave = icl_update_slave;
>  
>  	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
> -		formats = skl_planar_formats;
> -		num_formats = ARRAY_SIZE(skl_planar_formats);
> +		if (INTEL_GEN(dev_priv) > 10 && plane_id < PLANE_SPRITE2) {

is_hdr_plane() is around now, please use it.

With that and the u32 this is
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> +			formats = icl_hdr_planar_formats;
> +			num_formats = ARRAY_SIZE(icl_hdr_planar_formats);
> +		} else {
> +			formats = skl_planar_formats;
> +			num_formats = ARRAY_SIZE(skl_planar_formats);
> +		}
>  	} else {
> -		formats = skl_plane_formats;
> -		num_formats = ARRAY_SIZE(skl_plane_formats);
> +		if (INTEL_GEN(dev_priv) > 10 && plane_id < PLANE_SPRITE2) {
> +			formats = icl_hdr_plane_formats;
> +			num_formats = ARRAY_SIZE(icl_hdr_plane_formats);
> +		} else {
> +			formats = skl_plane_formats;
> +			num_formats = ARRAY_SIZE(skl_plane_formats);
> +		}
>  	}
>  
>  	plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id);
> -- 
> 2.7.4

-- 
Ville Syrjälä
Intel
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RE: [PATCH v2 RESEND 2/2] drm/i915/icl: Implement half float formats

[Strasser, Kevin]

Ville Syrjälä wrote:
> > @@ -1774,6 +1776,45 @@ static const u32 skl_planar_formats[] = {
> >        DRM_FORMAT_NV12,
> >  };
> >
> > +static const uint32_t icl_hdr_plane_formats[] = {
>
> Please switch to u32 & co. We recently had a mass conversion in the
> driver.

Will do. Looks like the CI caught that too.

> >  static const u64 skl_plane_format_modifiers_noccs[] = {
> >        I915_FORMAT_MOD_Yf_TILED,
> >        I915_FORMAT_MOD_Y_TILED,
> > @@ -1917,6 +1958,10 @@ static bool skl_plane_format_mod_supported(struct
> > drm_plane *_plane,
> >                        return true;
> >                /* fall through */
> >        case DRM_FORMAT_C8:
> > +     case DRM_FORMAT_XBGR16161616F:
> > +     case DRM_FORMAT_ABGR16161616F:
> > +     case DRM_FORMAT_XRGB16161616F:
> > +     case DRM_FORMAT_ARGB16161616F:
> >                if (modifier == DRM_FORMAT_MOD_LINEAR ||
> >                    modifier == I915_FORMAT_MOD_X_TILED ||
> >                    modifier == I915_FORMAT_MOD_Y_TILED)
> > @@ -2053,11 +2098,21 @@ skl_universal_plane_create(struct drm_i915_private
> > *dev_priv,
> >                plane->update_slave = icl_update_slave;
> >
> >        if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
> > -             formats = skl_planar_formats;
> > -             num_formats = ARRAY_SIZE(skl_planar_formats);
> > +             if (INTEL_GEN(dev_priv) > 10 && plane_id < PLANE_SPRITE2) {
>
> is_hdr_plane() is around now, please use it.

I don't think I can use icl_is_hdr_plane here without some refactoring. It 
requires the plane->base to be initialized through drm_universal_plane_init, 
which depends on formats/num_formats pointers to be already set.

Thanks,
Kevin  
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Re: [PATCH v2 RESEND 2/2] drm/i915/icl: Implement half float formats

[Ville Syrjälä]

On Fri, Feb 01, 2019 at 09:38:57PM +0000, Strasser, Kevin wrote:
> Ville Syrjälä wrote:
> > > @@ -1774,6 +1776,45 @@ static const u32 skl_planar_formats[] = {
> > >        DRM_FORMAT_NV12,
> > >  };
> > >
> > > +static const uint32_t icl_hdr_plane_formats[] = {
> >
> > Please switch to u32 & co. We recently had a mass conversion in the
> > driver.
> 
> Will do. Looks like the CI caught that too.
> 
> > >  static const u64 skl_plane_format_modifiers_noccs[] = {
> > >        I915_FORMAT_MOD_Yf_TILED,
> > >        I915_FORMAT_MOD_Y_TILED,
> > > @@ -1917,6 +1958,10 @@ static bool skl_plane_format_mod_supported(struct
> > > drm_plane *_plane,
> > >                        return true;
> > >                /* fall through */
> > >        case DRM_FORMAT_C8:
> > > +     case DRM_FORMAT_XBGR16161616F:
> > > +     case DRM_FORMAT_ABGR16161616F:
> > > +     case DRM_FORMAT_XRGB16161616F:
> > > +     case DRM_FORMAT_ARGB16161616F:
> > >                if (modifier == DRM_FORMAT_MOD_LINEAR ||
> > >                    modifier == I915_FORMAT_MOD_X_TILED ||
> > >                    modifier == I915_FORMAT_MOD_Y_TILED)
> > > @@ -2053,11 +2098,21 @@ skl_universal_plane_create(struct drm_i915_private
> > > *dev_priv,
> > >                plane->update_slave = icl_update_slave;
> > >
> > >        if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
> > > -             formats = skl_planar_formats;
> > > -             num_formats = ARRAY_SIZE(skl_planar_formats);
> > > +             if (INTEL_GEN(dev_priv) > 10 && plane_id < PLANE_SPRITE2) {
> >
> > is_hdr_plane() is around now, please use it.
> 
> I don't think I can use icl_is_hdr_plane here without some refactoring. It 
> requires the plane->base to be initialized through drm_universal_plane_init, 
> which depends on formats/num_formats pointers to be already set.

Hmm. We should probably just convert it into

icl_is_hdr_plane(struct drm_i915_private *dev_priv,
		 enum plane_id plane_id);

-- 
Ville Syrjälä
Intel
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RE: [PATCH v2 RESEND 2/2] drm/i915/icl: Implement half float formats

[Strasser, Kevin]

Ville Syrjälä wrote:
> Kevin Strasser wrote:
> > Ville Syrjälä wrote:
> > > is_hdr_plane() is around now, please use it.
> >
> > I don't think I can use icl_is_hdr_plane here without some refactoring. It
> > requires the plane->base to be initialized through drm_universal_plane_init,
> > which depends on formats/num_formats pointers to be already set.
>
> Hmm. We should probably just convert it into
>
> icl_is_hdr_plane(struct drm_i915_private *dev_priv,
>                  enum plane_id plane_id);

That sounds reasonable, I'll include this in v3.

Thanks,
Kevin
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