On Tue, Mar 22, 2016 at 10:35:41AM +0000, Matthew Auld wrote:
> Reject any rotation value which incorrectly represents multiple rotations.
>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_atomic_plane.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
> index 7de7721..6cb564f 100644
> --- a/drivers/gpu/drm/i915/intel_atomic_plane.c
> +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
> @@ -156,6 +156,11 @@ static int intel_plane_atomic_check(struct drm_plane *plane,
> intel_state->clip.y2 =
> crtc_state->base.enable ? crtc_state->pipe_src_h : 0;
>
> + if (!is_power_of_2(state->rotation)) {
> + DRM_DEBUG_KMS("Multiple rotations are not supported!\n");
> + return -EINVAL;
> + }
Such a check should be done in the core. Are we not doing it there?
> +
> if (state->fb && intel_rotation_90_or_270(state->rotation)) {
> if (!(state->fb->modifier[0] == I915_FORMAT_MOD_Y_TILED ||
> state->fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED)) {
> --
> 2.4.3
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Ville Syrjälä
Intel OTC
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
