drm/imx: ipuv3-plane: fix YUV framebuffer scanout on the base plane

Historically, only RGB framebuffers could be assigned to the primary
plane. This changed with universal plane support. Since no colorspace
conversion was set up for the IPUv3 full plane, assigning YUV frame
buffers to the primary plane caused incorrect output.
Fix this by enabling color space conversion also for the primary plane.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index 6276bb834b4fe15529652e73c07e901617abc194..d3845989a29dfcba4bf4b03f5740f9945d1bdcdf 100644 (file)
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -545,15 +545,13 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
                return;
        }
 
+       ics = ipu_drm_fourcc_to_colorspace(fb->format->format);
        switch (ipu_plane->dp_flow) {
        case IPU_DP_FLOW_SYNC_BG:
-               ipu_dp_setup_channel(ipu_plane->dp,
-                                       IPUV3_COLORSPACE_RGB,
-                                       IPUV3_COLORSPACE_RGB);
+               ipu_dp_setup_channel(ipu_plane->dp, ics, IPUV3_COLORSPACE_RGB);
                ipu_dp_set_global_alpha(ipu_plane->dp, true, 0, true);
                break;
        case IPU_DP_FLOW_SYNC_FG:
-               ics = ipu_drm_fourcc_to_colorspace(state->fb->format->format);
                ipu_dp_setup_channel(ipu_plane->dp, ics,
                                        IPUV3_COLORSPACE_UNKNOWN);
                /* Enable local alpha on partial plane */