When vc4_plane_state is duplicated ->is_yuv is left assigned to its previous value, and we never set it back to false when switching to a non-YUV format.

Fix that by setting ->is_yuv to false in the 'num_planes == 1' branch of the vc4_plane_setup_clipping_and_scaling() function.

Fixes: fc04023fafecf ("drm/vc4: Add support for YUV planes.") Cc: stable@vger.kernel.org Signed-off-by: Boris Brezillon boris.brezillon@bootlin.com --- drivers/gpu/drm/vc4/vc4_plane.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index d04b3c3246ba..60d5ad19cedd 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -321,6 +321,7 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state) if (vc4_state->is_unity) vc4_state->x_scaling[0] = VC4_SCALING_PPF; } else { + vc4_state->is_yuv = false; vc4_state->x_scaling[1] = VC4_SCALING_NONE; vc4_state->y_scaling[1] = VC4_SCALING_NONE; }