[Intel-gfx] [PATCH 11/18] drm/i915: Move skl plane fb related checks into a better place

Souza, Jose jose.souza at intel.com
Fri Aug 24 19:56:34 UTC 2018


On Thu, 2018-07-19 at 21:22 +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Move the skl+ specific framebuffer related checks from
> intel_plane_atomic_check_with_state() into a new function
> (skl_plane_check_fb()) which we'll simply call from the skl
> plane->check() hook.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_atomic_plane.c | 42 --------------------
>  drivers/gpu/drm/i915/intel_display.c      | 12 ------
>  drivers/gpu/drm/i915/intel_sprite.c       | 66
> +++++++++++++++++++++++++++++++
>  3 files changed, 66 insertions(+), 54 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c
> b/drivers/gpu/drm/i915/intel_atomic_plane.c
> index eddcdd6e4b3b..7c0873060934 100644
> --- a/drivers/gpu/drm/i915/intel_atomic_plane.c
> +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
> @@ -116,40 +116,11 @@ int intel_plane_atomic_check_with_state(const
> struct intel_crtc_state *old_crtc_
>  	struct drm_i915_private *dev_priv = to_i915(plane->dev);
>  	struct drm_plane_state *state = &intel_state->base;
>  	struct intel_plane *intel_plane = to_intel_plane(plane);
> -	const struct drm_display_mode *adjusted_mode =
> -		&crtc_state->base.adjusted_mode;
>  	int ret;
>  
>  	if (!intel_state->base.crtc && !old_plane_state->base.crtc)
>  		return 0;
>  
> -	if (state->fb && drm_rotation_90_or_270(state->rotation)) {
> -		struct drm_format_name_buf format_name;
> -
> -		if (state->fb->modifier != I915_FORMAT_MOD_Y_TILED &&
> -		    state->fb->modifier != I915_FORMAT_MOD_Yf_TILED) {
> -			DRM_DEBUG_KMS("Y/Yf tiling required for
> 90/270!\n");
> -			return -EINVAL;
> -		}
> -
> -		/*
> -		 * 90/270 is not allowed with RGB64 16:16:16:16,
> -		 * RGB 16-bit 5:6:5, and Indexed 8-bit.
> -		 * TBD: Add RGB64 case once its added in supported
> format list.
> -		 */
> -		switch (state->fb->format->format) {
> -		case DRM_FORMAT_C8:
> -		case DRM_FORMAT_RGB565:
> -			DRM_DEBUG_KMS("Unsupported pixel format %s for
> 90/270!\n",
> -			              drm_get_format_name(state->fb-
> >format->format,
> -			                                  &format_name)
> );
> -			return -EINVAL;
> -
> -		default:
> -			break;
> -		}
> -	}
> -
>  	/* CHV ignores the mirror bit when the rotate bit is set :( */
>  	if (IS_CHERRYVIEW(dev_priv) &&
>  	    state->rotation & DRM_MODE_ROTATE_180 &&
> @@ -163,19 +134,6 @@ int intel_plane_atomic_check_with_state(const
> struct intel_crtc_state *old_crtc_
>  	if (ret)
>  		return ret;
>  
> -	/*
> -	 * Y-tiling is not supported in IF-ID Interlace mode in
> -	 * GEN9 and above.
> -	 */
> -	if (state->fb && INTEL_GEN(dev_priv) >= 9 && crtc_state-
> >base.enable &&
> -	    adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
> -		if (state->fb->modifier == I915_FORMAT_MOD_Y_TILED ||
> -		    state->fb->modifier == I915_FORMAT_MOD_Yf_TILED) {
> -			DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-
> ID mode\n");
> -			return -EINVAL;
> -		}
> -	}
> -
>  	/* FIXME pre-g4x don't work like this */
>  	if (state->visible)
>  		crtc_state->active_planes |= BIT(intel_plane->id);
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index 9b9eaeda15dd..2381b762d109 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3151,12 +3151,6 @@ static int skl_check_ccs_aux_surface(struct
> intel_plane_state *plane_state)
>  	int y = src_y / vsub;
>  	u32 offset;
>  
> -	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_plane_compute_aligned_offset(&x, &y,
> plane_state, 1);
>  
> @@ -3178,12 +3172,6 @@ int skl_check_plane_surface(const struct
> intel_crtc_state *crtc_state,
>  	plane_state->color_plane[0].stride = intel_fb_pitch(fb, 0,
> rotation);
>  	plane_state->color_plane[1].stride = intel_fb_pitch(fb, 1,
> rotation);
>  
> -	if (rotation & DRM_MODE_REFLECT_X &&
> -	    fb->modifier == DRM_FORMAT_MOD_LINEAR) {
> -		DRM_DEBUG_KMS("horizontal flip is not supported with
> linear surface formats\n");
> -		return -EINVAL;
> -	}
> -
>  	if (!plane_state->base.visible)
>  		return 0;
>  
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c
> b/drivers/gpu/drm/i915/intel_sprite.c
> index 36e150885897..041b8921f4fe 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1156,6 +1156,68 @@ vlv_sprite_check(struct intel_crtc_state
> *crtc_state,
>  	return 0;
>  }
>  
> +static int skl_plane_check_fb(const struct intel_crtc_state
> *crtc_state,
> +			      const struct intel_plane_state
> *plane_state)
> +{
> +	const struct drm_framebuffer *fb = plane_state->base.fb;
> +	unsigned int rotation = plane_state->base.rotation;
> +	struct drm_format_name_buf format_name;
> +
> +	if (!fb)
> +		return 0;
> +
> +	if (rotation & ~(DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180) &&
> +	    (fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS &&
> +	     fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS)) {
> +		DRM_DEBUG_KMS("RC support only with 0/180 degree
> rotation (%x)\n",
> +			      rotation);
> +		return -EINVAL;
> +	}
> +
> +	if (rotation & DRM_MODE_REFLECT_X &&
> +	    fb->modifier == DRM_FORMAT_MOD_LINEAR) {
> +		DRM_DEBUG_KMS("horizontal flip is not supported with
> linear surface formats\n");
> +		return -EINVAL;
> +	}
> +
> +	if (drm_rotation_90_or_270(rotation)) {
> +		if (fb->modifier != I915_FORMAT_MOD_Y_TILED &&
> +		    fb->modifier != I915_FORMAT_MOD_Yf_TILED) {
> +			DRM_DEBUG_KMS("Y/Yf tiling required for
> 90/270!\n");
> +			return -EINVAL;
> +		}
> +
> +		/*
> +		 * 90/270 is not allowed with RGB64 16:16:16:16,
> +		 * RGB 16-bit 5:6:5, and Indexed 8-bit.
> +		 * TBD: Add RGB64 case once its added in supported
> format list.
> +		 */
> +		switch (fb->format->format) {
> +		case DRM_FORMAT_C8:
> +		case DRM_FORMAT_RGB565:
> +			DRM_DEBUG_KMS("Unsupported pixel format %s for
> 90/270!\n",
> +				      drm_get_format_name(fb->format-
> >format,
> +							  &format_name)
> );
> +			return -EINVAL;
> +		default:
> +			break;
> +		}
> +	}
> +
> +	/* Y-tiling is not supported in IF-ID Interlace mode */
> +	if (crtc_state->base.enable &&
> +	    crtc_state->base.adjusted_mode.flags &
> DRM_MODE_FLAG_INTERLACE &&
> +	    (fb->modifier == I915_FORMAT_MOD_Y_TILED ||
> +	     fb->modifier == I915_FORMAT_MOD_Yf_TILED ||

I guess this 2 checks bellow are new? It was not being handled in
skl_check_ccs_aux_surface() or else where.

Other than this everything else looks good.

Reviewed-by: José Roberto de Souza <jose.souza at intel.com>

> +	     fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
> +	     fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS)) {
> +		DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-ID
> mode\n");
> +		return -EINVAL;
> +	}
> +
> +	return 0;
> +}
> +
>  int skl_plane_check(struct intel_crtc_state *crtc_state,
>  		    struct intel_plane_state *plane_state)
>  {
> @@ -1164,6 +1226,10 @@ int skl_plane_check(struct intel_crtc_state
> *crtc_state,
>  	int max_scale, min_scale;
>  	int ret;
>  
> +	ret = skl_plane_check_fb(crtc_state, plane_state);
> +	if (ret)
> +		return ret;
> +
>  	/* use scaler when colorkey is not required */
>  	if (!plane_state->ckey.flags) {
>  		const struct drm_framebuffer *fb = plane_state-
> >base.fb;


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