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| author | Inki Dae <inki.dae@samsung.com> | 2013-08-20 14:28:56 +0900 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2013-09-05 13:43:44 +0900 |
| commit | 5cc4621a17b1e63738658a93b9a5667c876a22e4 (patch) | |
| tree | 0e6380d347be8c8229e4fc8996c0cff1c91345a9 /drivers | |
| parent | a4f38a80f62bb613525563860cbca87f583081b5 (diff) | |
| download | linux-5cc4621a17b1e63738658a93b9a5667c876a22e4.tar.bz2 | |
drm/exynos: check a pixel format to a particular window layer
This patch checks if a requested window supports alpha channel or not.
In case of s3c64xx, window 0 doesn't support alpha channel so if
the request pixel format is ARGB8888 then change it to XRGB8888.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 13d5afbc0dfd..f8889d28382d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -66,11 +66,13 @@ struct fimd_driver_data { unsigned int has_shadowcon:1; unsigned int has_clksel:1; + unsigned int has_limited_fmt:1; }; static struct fimd_driver_data s3c64xx_fimd_driver_data = { .timing_base = 0x0, .has_clksel = 1, + .has_limited_fmt = 1, }; static struct fimd_driver_data exynos4_fimd_driver_data = { @@ -420,6 +422,15 @@ static void fimd_win_set_pixfmt(struct device *dev, unsigned int win) val = WINCONx_ENWIN; + /* + * In case of s3c64xx, window 0 doesn't support alpha channel. + * So the request format is ARGB8888 then change it to XRGB8888. + */ + if (ctx->driver_data->has_limited_fmt && !win) { + if (win_data->pixel_format == DRM_FORMAT_ARGB8888) + win_data->pixel_format = DRM_FORMAT_XRGB8888; + } + switch (win_data->pixel_format) { case DRM_FORMAT_C8: val |= WINCON0_BPPMODE_8BPP_PALETTE; |