Re: [PATCH 9/9] drm/i915: Enable pipe gamma for sprites

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Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

On Mon, Nov 18, 2013 at 6:32 PM, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> We send the primary and cursor plane data through the gamma unit.
> In order to get matching output from sprites, also send the sprite
> data through the gamma unit.
>
> In the future we should add some properties to control this
> explicitly, and also add properties for the per-sprite gamma ramps
> what have you, but for now this seems like a reasonable thing to do.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/i915_reg.h     |  2 +-
>  drivers/gpu/drm/i915/intel_sprite.c | 18 ++++++++++++++++++
>  2 files changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 8f4916d..7b454d2 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -3745,7 +3745,7 @@
>
>  #define _SPACNTR               (VLV_DISPLAY_BASE + 0x72180)
>  #define   SP_ENABLE                    (1<<31)
> -#define   SP_GEAMMA_ENABLE             (1<<30)
> +#define   SP_GAMMA_ENABLE              (1<<30)
>  #define   SP_PIXFORMAT_MASK            (0xf<<26)
>  #define   SP_FORMAT_YUV422             (0<<26)
>  #define   SP_FORMAT_BGR565             (5<<26)
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 8afaad6..cb7ffd3 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -104,6 +104,12 @@ vlv_update_plane(struct drm_plane *dplane, struct drm_crtc *crtc,
>                 break;
>         }
>
> +       /*
> +        * Enable gamma to match primary/cursor plane behaviour.
> +        * FIXME should be user controllable via propertiesa.
> +        */
> +       sprctl |= SP_GAMMA_ENABLE;
> +
>         if (obj->tiling_mode != I915_TILING_NONE)
>                 sprctl |= SP_TILED;
>
> @@ -257,6 +263,12 @@ ivb_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
>                 BUG();
>         }
>
> +       /*
> +        * Enable gamma to match primary/cursor plane behaviour.
> +        * FIXME should be user controllable via propertiesa.
> +        */
> +       sprctl |= SPRITE_GAMMA_ENABLE;
> +
>         if (obj->tiling_mode != I915_TILING_NONE)
>                 sprctl |= SPRITE_TILED;
>
> @@ -453,6 +465,12 @@ ilk_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
>                 BUG();
>         }
>
> +       /*
> +        * Enable gamma to match primary/cursor plane behaviour.
> +        * FIXME should be user controllable via propertiesa.
> +        */
> +       dvscntr |= DVS_GAMMA_ENABLE;
> +
>         if (obj->tiling_mode != I915_TILING_NONE)
>                 dvscntr |= DVS_TILED;
>
> --
> 1.8.3.1
>



-- 
Rodrigo Vivi
Blog: http://blog.vivi.eng.br
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