From: Paul Cercueil paul@crapouillou.net
commit ca43f274e03f91c533643299ae4984965ce03205 upstream.
plane->index is NOT the index of the color plane in a YUV frame. Actually, a YUV frame is represented by a single drm_plane, even though it contains three Y, U, V planes.
v2-v3: No change
Cc: stable@vger.kernel.org # v5.3 Fixes: 90b86fcc47b4 ("DRM: Add KMS driver for the Ingenic JZ47xx SoCs") Signed-off-by: Paul Cercueil paul@crapouillou.net Reviewed-by: Sam Ravnborg sam@ravnborg.org Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-1-paul@c... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpu/drm/ingenic/ingenic-drm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/ingenic/ingenic-drm.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm.c @@ -384,7 +384,7 @@ static void ingenic_drm_plane_atomic_upd addr = drm_fb_cma_get_gem_addr(state->fb, state, 0); width = state->src_w >> 16; height = state->src_h >> 16; - cpp = state->fb->format->cpp[plane->index]; + cpp = state->fb->format->cpp[0];
priv->dma_hwdesc->addr = addr; priv->dma_hwdesc->cmd = width * height * cpp / 4;