On Mon, Aug 27, 2018 at 03:37:53PM +0300, Juha-Pekka Heikkila wrote:
> From gen11 onwards RGB565 90/270 plane rotation is supported on hardware.
> 
> IGT: https://patchwork.freedesktop.org/series/48756/
> Signed-off-by: Juha-Pekka Heikkila <[email protected]>
> ---
>  drivers/gpu/drm/i915/intel_atomic_plane.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c 
> b/drivers/gpu/drm/i915/intel_atomic_plane.c
> index 344a16b..c245906 100644
> --- a/drivers/gpu/drm/i915/intel_atomic_plane.c
> +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
> @@ -123,14 +123,17 @@ static bool intel_plane_valid_rotation(const struct 
> drm_plane_state *plane_state
>               }
>  
>               /*
> -              * 90/270 is not allowed with RGB64 16:16:16:16,
> -              * RGB 16-bit 5:6:5, and Indexed 8-bit.
> +              * 90/270 is not allowed with RGB64 16:16:16:16 and
> +              * Indexed 8-bit. RGB 16-bit. 5:6:5 is allowed gen11 onwards.
                                            ^
Extra period there

Otherwise lgtm
Reviewed-by: Ville Syrjälä <[email protected]>

>                * TBD: Add RGB64 case once its added in supported format
>                * list.
>                */
>               switch (plane_state->fb->format->format) {
> -             case DRM_FORMAT_C8:
>               case DRM_FORMAT_RGB565:
> +                     if (INTEL_GEN(dev_priv) >= 11)
> +                             break;
> +                     /* fall through */
> +             case DRM_FORMAT_C8:
>                       DRM_DEBUG_KMS("Unsupported pixel format %s for 
> 90/270!\n",
>                                     
> drm_get_format_name(plane_state->fb->format->format,
>                                                         &format_name));
> -- 
> 2.7.4
> 
> _______________________________________________
> Intel-gfx mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel
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