[Intel-gfx] [PATCH 6/6] [v4] drm/i915: Add support for CCS modifiers

Kenneth Graunke kenneth at whitecape.org
Tue Aug 1 22:52:38 UTC 2017


On Tuesday, August 1, 2017 3:47:53 PM PDT Ben Widawsky wrote:
> On 17-08-01 15:43:50, Kenneth Graunke wrote:
> >On Tuesday, August 1, 2017 9:58:17 AM PDT Ben Widawsky wrote:
> >> v2:
> >>   - Support sprite plane.
> >>   - Support pipe C/D limitation on GEN9.
> >>
> >> v3:
> >>   - Rename structure (Ville)
> >>   - Handle GLK (Ville)
> >>
> >> v4:
> >>   - Fix PIPE_C check, introduced in v2 (Daniel)
> >>   - Whitespace fix (Daniel)
> >>
> >> Cc: Daniel Stone <daniels at collabora.com>
> >> Cc: Kristian Høgsberg <krh at bitplanet.net>
> >> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> >> ---
> >>  drivers/gpu/drm/i915/intel_display.c | 30 +++++++++++++++++++++++++++---
> >>  drivers/gpu/drm/i915/intel_sprite.c  | 28 +++++++++++++++++++++++++++-
> >>  2 files changed, 54 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> >> index ad49b99ef25f..0dc9f40edc7e 100644
> >> --- a/drivers/gpu/drm/i915/intel_display.c
> >> +++ b/drivers/gpu/drm/i915/intel_display.c
> >> @@ -93,7 +93,17 @@ static const uint32_t skl_primary_formats[] = {
> >>  	DRM_FORMAT_VYUY,
> >>  };
> >>
> >> -static const uint64_t skl_format_modifiers[] = {
> >> +static const uint64_t skl_format_modifiers_noccs[] = {
> >> +	I915_FORMAT_MOD_Yf_TILED,
> >> +	I915_FORMAT_MOD_Y_TILED,
> >> +	I915_FORMAT_MOD_X_TILED,
> >> +	DRM_FORMAT_MOD_LINEAR,
> >> +	DRM_FORMAT_MOD_INVALID
> >> +};
> >> +
> >> +static const uint64_t skl_format_modifiers_ccs[] = {
> >> +	I915_FORMAT_MOD_Yf_TILED_CCS,
> >> +	I915_FORMAT_MOD_Y_TILED_CCS,
> >>  	I915_FORMAT_MOD_Yf_TILED,
> >>  	I915_FORMAT_MOD_Y_TILED,
> >>  	I915_FORMAT_MOD_X_TILED,
> >> @@ -13853,6 +13863,10 @@ static bool skl_mod_supported(uint32_t format, uint64_t modifier)
> >>  	case DRM_FORMAT_XBGR8888:
> >>  	case DRM_FORMAT_ARGB8888:
> >>  	case DRM_FORMAT_ABGR8888:
> >> +		if (modifier == I915_FORMAT_MOD_Yf_TILED_CCS ||
> >> +		    modifier == I915_FORMAT_MOD_Y_TILED_CCS)
> >> +			return true;
> >> +		/* fall through */
> >>  	case DRM_FORMAT_RGB565:
> >>  	case DRM_FORMAT_XRGB2101010:
> >>  	case DRM_FORMAT_XBGR2101010:
> >> @@ -14099,10 +14113,20 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
> >>  	primary->frontbuffer_bit = INTEL_FRONTBUFFER_PRIMARY(pipe);
> >>  	primary->check_plane = intel_check_primary_plane;
> >>
> >> -	if (INTEL_GEN(dev_priv) >= 9) {
> >> +	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
> >> +		intel_primary_formats = skl_primary_formats;
> >> +		num_formats = ARRAY_SIZE(skl_primary_formats);
> >> +		modifiers = skl_format_modifiers_ccs;
> >> +
> >> +		primary->update_plane = skylake_update_primary_plane;
> >> +		primary->disable_plane = skylake_disable_primary_plane;
> >> +	} else if (INTEL_GEN(dev_priv) >= 9) {
> >>  		intel_primary_formats = skl_primary_formats;
> >>  		num_formats = ARRAY_SIZE(skl_primary_formats);
> >> -		modifiers = skl_format_modifiers;
> >> +		if (pipe < PIPE_C)
> >> +			modifiers = skl_format_modifiers_ccs;
> >> +		else
> >> +			modifiers = skl_format_modifiers_noccs;
> >>
> >>  		primary->update_plane = skylake_update_primary_plane;
> >>  		primary->disable_plane = skylake_disable_primary_plane;
> >> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> >> index b1cc4835b963..5a2b3f3693a6 100644
> >> --- a/drivers/gpu/drm/i915/intel_sprite.c
> >> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> >> @@ -1085,7 +1085,17 @@ static uint32_t skl_plane_formats[] = {
> >>  	DRM_FORMAT_VYUY,
> >>  };
> >>
> >> +static const uint64_t skl_plane_format_modifiers_noccs[] = {
> >> +	I915_FORMAT_MOD_Yf_TILED,
> >> +	I915_FORMAT_MOD_Y_TILED,
> >> +	I915_FORMAT_MOD_X_TILED,
> >> +	DRM_FORMAT_MOD_LINEAR,
> >> +	DRM_FORMAT_MOD_INVALID
> >> +};
> >> +
> >>  static const uint64_t skl_plane_format_modifiers[] = {
> >> +	I915_FORMAT_MOD_Yf_TILED_CCS,
> >> +	I915_FORMAT_MOD_Y_TILED_CCS,
> >>  	I915_FORMAT_MOD_Yf_TILED,
> >>  	I915_FORMAT_MOD_Y_TILED,
> >>  	I915_FORMAT_MOD_X_TILED,
> >> @@ -1148,6 +1158,9 @@ static bool skl_sprite_plane_format_mod_supported(struct drm_plane *plane,
> >>  	case DRM_FORMAT_XBGR8888:
> >>  	case DRM_FORMAT_ARGB8888:
> >>  	case DRM_FORMAT_ABGR8888:
> >> +		if (modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
> >> +		    modifier == I915_FORMAT_MOD_Yf_TILED_CCS)
> >> +			return true;
> >>  	case DRM_FORMAT_RGB565:
> >>  	case DRM_FORMAT_XRGB2101010:
> >>  	case DRM_FORMAT_XBGR2101010:
> >> @@ -1230,7 +1243,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
> >>  	}
> >>  	intel_plane->base.state = &state->base;
> >>
> >> -	if (INTEL_GEN(dev_priv) >= 9) {
> >> +	if (INTEL_GEN(dev_priv) >= 10) {
> >
> >I think this should be INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv).
> >
> >With that fixed, this patch would be:
> >Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
> >
> >for what it's worth (I'm not that familiar with display).
> >
> 
> Thanks. Here is what I've changed locally which didn't match the primary
> support:
> 
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 5a2b3f3693a6..1c484195fd0f 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1093,7 +1093,7 @@ static const uint64_t skl_plane_format_modifiers_noccs[] = {
>         DRM_FORMAT_MOD_INVALID
>  };
>  
> -static const uint64_t skl_plane_format_modifiers[] = {
> +static const uint64_t skl_plane_format_modifiers_ccs[] = {
>         I915_FORMAT_MOD_Yf_TILED_CCS,
>         I915_FORMAT_MOD_Y_TILED_CCS,
>         I915_FORMAT_MOD_Yf_TILED,
> @@ -1243,7 +1243,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
>         }
>         intel_plane->base.state = &state->base;
>  
> -       if (INTEL_GEN(dev_priv) >= 10) {
> +       if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
>                 intel_plane->can_scale = true;
>                 state->scaler_id = -1;
>  
> @@ -1252,7 +1252,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
>  
>                 plane_formats = skl_plane_formats;
>                 num_plane_formats = ARRAY_SIZE(skl_plane_formats);
> -               modifiers = skl_plane_format_modifiers;
> +               modifiers = skl_plane_format_modifiers_ccs;
>         } else if (INTEL_GEN(dev_priv) >= 9) {
>                 intel_plane->can_scale = true;
>                 state->scaler_id = -1;
> @@ -1262,10 +1262,10 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
>  
>                 plane_formats = skl_plane_formats;
>                 num_plane_formats = ARRAY_SIZE(skl_plane_formats);
> -               if (pipe >= PIPE_C)
> -                       modifiers = skl_plane_format_modifiers_noccs;
> +               if (pipe < PIPE_C)
> +                       modifiers = skl_plane_format_modifiers_ccs;
>                 else
> -                       modifiers = skl_plane_format_modifiers;
> +                       modifiers = skl_plane_format_modifiers_noccs;
>         } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
>                 intel_plane->can_scale = false;

That looks good, with that squashed in,
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
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