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

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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: ebae8d0743 ("drm/tegra: dc: Implement legacy blending")
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2018-03-15 11:09:35 +01:00
parent 7928b2cbe5
commit 8a927d648c
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/tegra/plane.c
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@ -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;