Commit 8a927d64 authored Mar 15, 2018 by Thierry Reding

drm/tegra: plane: Fix RGB565 format on older Tegra



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 <digetx@gmail.com>
Fixes: ebae8d07 ("drm/tegra: dc: Implement legacy blending")
Signed-off-by: Thierry Reding <treding@nvidia.com>

parent 7928b2cb

drivers/gpu/drm/tegra/plane.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -297,6 +297,10 @@ int tegra_plane_format_get_alpha(unsigned int opaque, unsigned int *alpha)
		case WIN_COLOR_DEPTH_B8G8R8X8:
		*alpha = WIN_COLOR_DEPTH_B8G8R8A8;
		return 0;

		case WIN_COLOR_DEPTH_B5G6R5:
		*alpha = opaque;
		return 0;
		}

		return -EINVAL;