[Intel-gfx] [PATCH] drm/fourcc: Fix conflicting Y41x definitions

Maarten Lankhorst maarten.lankhorst at linux.intel.com
Tue Mar 19 16:06:36 UTC 2019


Op 19-03-2019 om 14:02 schreef Ville Syrjälä:
> On Tue, Mar 19, 2019 at 01:17:02PM +0100, Maarten Lankhorst wrote:
>> There has unfortunately been a conflict with the following 3 commits:
>>
>> commit e9961ab95af81b8d29054361cd5f0c575102cf87
>> Author: Ayan Kumar Halder <ayan.halder at arm.com>
>> Date:   Fri Nov 9 17:21:12 2018 +0000
>>     drm: Added a new format DRM_FORMAT_XVYU2101010
>>
>> commit 7ba0fee247ee7a36b3bfbed68f6988d980aa3aa3
>> Author: Brian Starkey <brian.starkey at arm.com>
>> Date:   Fri Oct 5 10:27:00 2018 +0100
>>
>>     drm/fourcc: Add AFBC yuv fourccs for Mali
>>
>> and
>>
>> commit 50bf5d7d595fd0705ef3785f80e679b6da501e5b
>> Author: Swati Sharma <swati2.sharma at intel.com>
>> Date:   Mon Mar 4 17:26:33 2019 +0530
>>
>>     drm: Add Y2xx and Y4xx (xx:10/12/16) format definitions and fourcc
>>
>> Unfortunately gcc didn't warn about the redefinitions, because the
>>
>> Fix this by using new XYVU for i915, without alpha, and making the
>> Y41x definitions match msdn, with alpha.
> The naming of all these is rather unfortunate because now the alpha vs.
> non-alpha formats have totally different looking names :( Fourccs are
> stupid!
>
>> Fortunately we caught it early, and the conflict hasn't even landed in
>> drm-next yet.
>>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
>> Cc: Brian Starkey <Brian.Starkey at arm.com>
>> Cc: Swati Sharma <swati2.sharma at intel.com>
>> Cc: Ayan Kumar Halder <ayan.halder at arm.com>
>> Cc: malidp at foss.arm.com
>> Cc: Daniel Vetter <daniel at ffwll.ch>
>> Cc: Maxime Ripard <maxime.ripard at bootlin.com>
>> Cc: Sean Paul <sean at poorly.run>
>> Cc: Dave Airlie <airlied at linux.ie>
>> Cc: Liviu Dudau <Liviu.Dudau at arm.com>
>> ---
>>  drivers/gpu/drm/drm_fourcc.c         | 12 +++++------
>>  drivers/gpu/drm/i915/intel_display.c | 18 ++++++++---------
>>  drivers/gpu/drm/i915/intel_sprite.c  | 30 ++++++++++++++--------------
>>  include/uapi/drm/drm_fourcc.h        | 21 +++++++++----------
>>  4 files changed, 41 insertions(+), 40 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
>> index b914b16db9b2..6ea55fb4526d 100644
>> --- a/drivers/gpu/drm/drm_fourcc.c
>> +++ b/drivers/gpu/drm/drm_fourcc.c
>> @@ -229,17 +229,17 @@ const struct drm_format_info *__drm_format_info(u32 format)
>>  		{ .format = DRM_FORMAT_UYVY,		.depth = 0,  .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
>>  		{ .format = DRM_FORMAT_VYUY,		.depth = 0,  .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
>>  		{ .format = DRM_FORMAT_XYUV8888,	.depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
>> -		{ .format = DRM_FORMAT_Y210,		.depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
>>  		{ .format = DRM_FORMAT_VUY888,          .depth = 0,  .num_planes = 1, .cpp = { 3, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
>> -		{ .format = DRM_FORMAT_Y410,            .depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
>>  		{ .format = DRM_FORMAT_AYUV,		.depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
>> -		{ .format = DRM_FORMAT_XVYU2101010,	.depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
>>  		{ .format = DRM_FORMAT_Y210,            .depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
>>  		{ .format = DRM_FORMAT_Y212,            .depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
>>  		{ .format = DRM_FORMAT_Y216,            .depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
>> -		{ .format = DRM_FORMAT_Y410,            .depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
>> -		{ .format = DRM_FORMAT_Y412,            .depth = 0,  .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
>> -		{ .format = DRM_FORMAT_Y416,            .depth = 0,  .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
>> +		{ .format = DRM_FORMAT_Y410,            .depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
>> +		{ .format = DRM_FORMAT_Y412,            .depth = 0,  .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
>> +		{ .format = DRM_FORMAT_Y416,            .depth = 0,  .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
>> +		{ .format = DRM_FORMAT_XVYU2101010,	.depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
>> +		{ .format = DRM_FORMAT_XVYU12_16161616,	.depth = 0,  .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
> Damn these 10/12 in 16 formats are annoying. 
>
> Maybe it would look nicer to put the 12 at the end?

Either way sucks..

Could we keep it where it is so I don't have to respin? :)

>> +		{ .format = DRM_FORMAT_XVYU16161616,	.depth = 0,  .num_planes = 1, .cpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
>>  		{ .format = DRM_FORMAT_Y0L0,		.depth = 0,  .num_planes = 1,
>>  		  .char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 },
>>  		  .hsub = 2, .vsub = 2, .has_alpha = true, .is_yuv = true },
>> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
>> index a5ad18c3bf44..94496488641c 100644
>> --- a/drivers/gpu/drm/i915/intel_display.c
>> +++ b/drivers/gpu/drm/i915/intel_display.c
>> @@ -2690,11 +2690,11 @@ int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
>>  	case PLANE_CTL_FORMAT_Y216:
>>  		return DRM_FORMAT_Y216;
>>  	case PLANE_CTL_FORMAT_Y410:
>> -		return DRM_FORMAT_Y410;
>> +		return DRM_FORMAT_XVYU2101010;
>>  	case PLANE_CTL_FORMAT_Y412:
>> -		return DRM_FORMAT_Y412;
>> +		return DRM_FORMAT_XVYU12_16161616;
>>  	case PLANE_CTL_FORMAT_Y416:
>> -		return DRM_FORMAT_Y416;
>> +		return DRM_FORMAT_XVYU16161616;
>>  	default:
>>  	case PLANE_CTL_FORMAT_XRGB_8888:
>>  		if (rgb_order) {
>> @@ -3648,11 +3648,11 @@ static u32 skl_plane_ctl_format(u32 pixel_format)
>>  		return PLANE_CTL_FORMAT_Y212;
>>  	case DRM_FORMAT_Y216:
>>  		return PLANE_CTL_FORMAT_Y216;
>> -	case DRM_FORMAT_Y410:
>> +	case DRM_FORMAT_XVYU2101010:
>>  		return PLANE_CTL_FORMAT_Y410;
>> -	case DRM_FORMAT_Y412:
>> +	case DRM_FORMAT_XVYU12_16161616:
>>  		return PLANE_CTL_FORMAT_Y412;
>> -	case DRM_FORMAT_Y416:
>> +	case DRM_FORMAT_XVYU16161616:
>>  		return PLANE_CTL_FORMAT_Y416;
>>  	default:
>>  		MISSING_CASE(pixel_format);
>> @@ -5216,9 +5216,9 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
>>  	case DRM_FORMAT_Y210:
>>  	case DRM_FORMAT_Y212:
>>  	case DRM_FORMAT_Y216:
>> -	case DRM_FORMAT_Y410:
>> -	case DRM_FORMAT_Y412:
>> -	case DRM_FORMAT_Y416:
>> +	case DRM_FORMAT_XVYU2101010:
>> +	case DRM_FORMAT_XVYU12_16161616:
>> +	case DRM_FORMAT_XVYU16161616:
>>  		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 9892c88ede1d..53174d579574 100644
>> --- a/drivers/gpu/drm/i915/intel_sprite.c
>> +++ b/drivers/gpu/drm/i915/intel_sprite.c
>> @@ -1821,9 +1821,9 @@ static const uint32_t icl_plane_formats[] = {
>>  	DRM_FORMAT_Y210,
>>  	DRM_FORMAT_Y212,
>>  	DRM_FORMAT_Y216,
>> -	DRM_FORMAT_Y410,
>> -	DRM_FORMAT_Y412,
>> -	DRM_FORMAT_Y416,
>> +	DRM_FORMAT_XVYU2101010,
>> +	DRM_FORMAT_XVYU12_16161616,
>> +	DRM_FORMAT_XVYU16161616,
> The spec says only HDR planes support 64bpp formats. So either the spec
> is wrong or we have way too many formats on the SDR plane format lists.

It seems kms_available_modes_crc passes with those formats on icl-y, so I'm assuming it works?

~Maarten



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