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| author | Christoph Manszewski <c.manszewski@samsung.com> | 2018-09-21 15:24:37 +0300 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2018-10-01 05:49:57 +0300 |
| commit | 482582c0217d352f0e344f0b25ea6ce12f964351 (patch) | |
| tree | f59cd1d91f5eaa37f9513310310cda2e624dd0e2 /drivers/gpu/drm/exynos/exynos_drm_plane.c | |
| parent | a9777267e3e19e784723827a41cfb37da6e5bf66 (diff) | |
| download | linux-482582c0217d352f0e344f0b25ea6ce12f964351.tar.xz | |
drm/exynos: mixer: Make pixel blend mode configurable
The mixer hardware supports both premultiplied alpha and
non-premultiplied alpha. Currently premultiplied alpha is default, make
this configurable.
Tested on Odroid-U3 with Exynos 4412 CPU, kernel next-20180913
using modetest.
Signed-off-by: Christoph Manszewski <c.manszewski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_plane.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_plane.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 755ca0e9ead2..236408906f1f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -298,6 +298,10 @@ int exynos_plane_init(struct drm_device *dev, const struct exynos_drm_plane_config *config) { int err; + unsigned int supported_modes = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE); + struct drm_plane *plane = &exynos_plane->base; err = drm_universal_plane_init(dev, &exynos_plane->base, 1 << dev->mode_config.num_crtc, @@ -318,5 +322,8 @@ int exynos_plane_init(struct drm_device *dev, exynos_plane_attach_zpos_property(&exynos_plane->base, config->zpos, !(config->capabilities & EXYNOS_DRM_PLANE_CAP_ZPOS)); + if (config->capabilities & EXYNOS_DRM_PLANE_CAP_PIX_BLEND) + drm_plane_create_blend_mode_property(plane, supported_modes); + return 0; } |