From: Thierry Reding Date: Thu, 15 Mar 2018 11:09:35 +0100 Subject: drm/tegra: plane: Fix RGB565 format on older Tegra Git-commit: 8a927d648c2ee20f2fd746d733c5cd76d0fbb0c1 Patch-mainline: v4.16-rc7 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 The opaque/alpha format conversion code is currently only looking at XRGB formats because they have an equivalent ARGB format. The opaque format for RGB565 is RGB565 itself, much like the YUV formats map to themselves. Reported-by: Dmitry Osipenko Fixes: ebae8d07435a ("drm/tegra: dc: Implement legacy blending") Signed-off-by: Thierry Reding Acked-by: Petr Tesarik --- drivers/gpu/drm/tegra/plane.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/tegra/plane.c +++ b/drivers/gpu/drm/tegra/plane.c @@ -297,6 +297,10 @@ int tegra_plane_format_get_alpha(unsigne case WIN_COLOR_DEPTH_B8G8R8X8: *alpha = WIN_COLOR_DEPTH_B8G8R8A8; return 0; + + case WIN_COLOR_DEPTH_B5G6R5: + *alpha = opaque; + return 0; } return -EINVAL;