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

Ayan Halder Ayan.Halder at arm.com
Tue Mar 19 13:58:35 UTC 2019


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.
> 
> 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 },
> +		{ .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,
>  };
>  
>  static const uint32_t icl_hdr_plane_formats[] = {
> @@ -1846,9 +1846,9 @@ static const uint32_t icl_hdr_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,
>  };
>  
>  static const u32 skl_planar_formats[] = {
> @@ -1906,9 +1906,9 @@ static const uint32_t icl_planar_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,
>  };
>  
>  static const uint32_t icl_hdr_planar_formats[] = {
> @@ -1935,9 +1935,9 @@ static const uint32_t icl_hdr_planar_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,
>  };
>  
>  static const u64 skl_plane_format_modifiers_noccs[] = {
> @@ -2085,9 +2085,9 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
>  	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:
>  		if (modifier == I915_FORMAT_MOD_Yf_TILED)
>  			return true;
>  		/* fall through */
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 5010b47d0838..3feeaa3f987a 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -160,30 +160,31 @@ extern "C" {
>  #define DRM_FORMAT_YVYU		fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
>  #define DRM_FORMAT_UYVY		fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */
>  #define DRM_FORMAT_VYUY		fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
> -#define DRM_FORMAT_Y210		fourcc_code('Y', '2', '1', '0') /* [63:0] Cr0:0:Y1:0:Cb0:0:Y0:0 10:6:10:6:10:6:10:6 little endian */
>  
>  #define DRM_FORMAT_AYUV		fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
> -#define DRM_FORMAT_XYUV8888		fourcc_code('X', 'Y', 'U', 'V') /* [31:0] X:Y:Cb:Cr 8:8:8:8 little endian */
> -#define DRM_FORMAT_XVYU2101010	fourcc_code('X', 'V', '3', '0') /* [31:0] X:Cr:Y:Cb 2:10:10:10 little endian */
> +#define DRM_FORMAT_XYUV8888	fourcc_code('X', 'Y', 'U', 'V') /* [31:0] X:Y:Cb:Cr 8:8:8:8 little endian */
>  #define DRM_FORMAT_VUY888	fourcc_code('V', 'U', '2', '4') /* [23:0] Cr:Cb:Y 8:8:8 little endian */
> -#define DRM_FORMAT_Y410		fourcc_code('Y', '4', '1', '0') /* [31:0] A:Cr:Y:Cb 2:10:10:10 little endian */
>  #define DRM_FORMAT_VUY101010	fourcc_code('V', 'U', '3', '0') /* Y followed by U then V, 10:10:10. Non-linear modifier only */
>  
>  /*
>   * packed Y2xx indicate for each component, xx valid data occupy msb
>   * 16-xx padding occupy lsb
>   */
> -#define DRM_FORMAT_Y210         fourcc_code('Y', '2', '1', '0') /* [63:0] Y0:x:Cb0:x:Y1:x:Cr1:x 10:6:10:6:10:6:10:6 little endian per 2 Y pixels */
> -#define DRM_FORMAT_Y212         fourcc_code('Y', '2', '1', '2') /* [63:0] Y0:x:Cb0:x:Y1:x:Cr1:x 12:4:12:4:12:4:12:4 little endian per 2 Y pixels */
> -#define DRM_FORMAT_Y216         fourcc_code('Y', '2', '1', '6') /* [63:0] Y0:Cb0:Y1:Cr1 16:16:16:16 little endian per 2 Y pixels */
> +#define DRM_FORMAT_Y210         fourcc_code('Y', '2', '1', '0') /* [63:0] Cr0:0:Y1:0:Cb0:0:Y0:0 10:6:10:6:10:6:10:6 little endian per 2 Y pixels */
> +#define DRM_FORMAT_Y212         fourcc_code('Y', '2', '1', '2') /* [63:0] Cr0:0:Y1:0:Cb0:0:Y0:0 12:4:12:4:12:4:12:4 little endian per 2 Y pixels */
> +#define DRM_FORMAT_Y216         fourcc_code('Y', '2', '1', '6') /* [63:0] Cr0:Y1:Cb0:Y0 16:16:16:16 little endian per 2 Y pixels */
>  
>  /*
>   * packed Y4xx indicate for each component, xx valid data occupy msb
>   * 16-xx padding occupy lsb except Y410
>   */
> -#define DRM_FORMAT_Y410         fourcc_code('Y', '4', '1', '0') /* [31:0] X:V:Y:U 2:10:10:10 little endian */
> -#define DRM_FORMAT_Y412         fourcc_code('Y', '4', '1', '2') /* [63:0] X:x:V:x:Y:x:U:x 12:4:12:4:12:4:12:4 little endian */
> -#define DRM_FORMAT_Y416         fourcc_code('Y', '4', '1', '6') /* [63:0] X:V:Y:U 16:16:16:16 little endian */
> +#define DRM_FORMAT_Y410         fourcc_code('Y', '4', '1', '0') /* [31:0] A:Cr:Y:Cb 2:10:10:10 little endian */
> +#define DRM_FORMAT_Y412         fourcc_code('Y', '4', '1', '2') /* [63:0] A:0:Cr:0:Y:0:Cb:0 12:4:12:4:12:4:12:4 little endian */
> +#define DRM_FORMAT_Y416         fourcc_code('Y', '4', '1', '6') /* [63:0] A:Cr:Y:Cb 16:16:16:16 little endian */
> +
> +#define DRM_FORMAT_XVYU2101010	fourcc_code('X', 'V', '3', '0') /* [31:0] X:Cr:Y:Cb 2:10:10:10 little endian */
> +#define DRM_FORMAT_XVYU12_16161616	fourcc_code('X', 'V', '3', '6') /* [63:0] X:0:Cr:0:Y:0:Cb:0 12:4:12:4:12:4:12:4 little endian */
> +#define DRM_FORMAT_XVYU16161616	fourcc_code('X', 'V', '4', '8') /* [63:0] X:Cr:Y:Cb 16:16:16:16 little endian */
>  
>  /*
>   * packed YCbCr420 2x2 tiled formats
> -- 
> 2.20.1
> 
Looks perfectly sane to me. Thanks for taking the pain. :)
Reviewed-by: Ayan Kumar halder <ayan.halder at arm.com>
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