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| author | Inki Dae <inki.dae@samsung.com> | 2013-08-20 14:28:56 +0900 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-03-20 17:34:48 +0900 |
| commit | 498b4980208608c5cc3b02ccef406b1c2e707f6b (patch) | |
| tree | 6aaeb72be24066f1a97d17481eb289d24cddbdf9 | |
| parent | 0a46e6cb77e259d3d860357aaaff1bdf759703e1 (diff) | |
| download | linux-3.10-498b4980208608c5cc3b02ccef406b1c2e707f6b.tar.gz linux-3.10-498b4980208608c5cc3b02ccef406b1c2e707f6b.tar.bz2 linux-3.10-498b4980208608c5cc3b02ccef406b1c2e707f6b.zip | |
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>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
| -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 a0b88a2b07e..8aec342d6f3 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; |