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| author | Thierry Reding <treding@nvidia.com> | 2026-08-26 12:54:21 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2026-08-27 17:15:59 +0200 |
| commit | 20839d02c0cf7437bc508d4c5430538d9dc4f428 (patch) | |
| tree | 401593c9c374f05264b444efc52b74fd92061696 | |
| parent | 2d2a3adc91950f9a18829dadc7317fb5180a15c5 (diff) | |
| download | linux-stable-20839d02c0cf7437bc508d4c5430538d9dc4f428.tar.gz linux-stable-20839d02c0cf7437bc508d4c5430538d9dc4f428.zip | |
drm/tegra: Add blend mode properties
The default programming in the driver matches the "coverage" blend mode,
so add the corresponding pixel blend mode property to let userspace know
about it.
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patch.msgid.link/20260826105421.1825331-1-thierry.reding@kernel.org
| -rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/tegra/hub.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 0b3fcc7011b3..fefc3761a4bc 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -904,6 +904,7 @@ static struct drm_plane *tegra_primary_plane_create(struct drm_device *drm, struct tegra_dc *dc) { unsigned long possible_crtcs = tegra_plane_get_possible_crtcs(drm); + unsigned int blend_caps = BIT(DRM_MODE_BLEND_COVERAGE); enum drm_plane_type type = DRM_PLANE_TYPE_PRIMARY; struct tegra_plane *plane; unsigned int num_formats; @@ -939,6 +940,7 @@ static struct drm_plane *tegra_primary_plane_create(struct drm_device *drm, } drm_plane_helper_add(&plane->base, &tegra_plane_helper_funcs); + drm_plane_create_blend_mode_property(&plane->base, blend_caps); drm_plane_create_zpos_property(&plane->base, plane->index, 0, 255); err = drm_plane_create_rotation_property(&plane->base, @@ -1209,6 +1211,7 @@ static struct drm_plane *tegra_dc_cursor_plane_create(struct drm_device *drm, struct tegra_dc *dc) { unsigned long possible_crtcs = tegra_plane_get_possible_crtcs(drm); + unsigned int blend_caps = BIT(DRM_MODE_BLEND_COVERAGE); struct tegra_plane *plane; unsigned int num_formats; const u32 *formats; @@ -1252,6 +1255,7 @@ static struct drm_plane *tegra_dc_cursor_plane_create(struct drm_device *drm, } drm_plane_helper_add(&plane->base, &tegra_cursor_plane_helper_funcs); + drm_plane_create_blend_mode_property(&plane->base, blend_caps); drm_plane_create_zpos_immutable_property(&plane->base, 255); return &plane->base; @@ -1356,6 +1360,7 @@ static struct drm_plane *tegra_dc_overlay_plane_create(struct drm_device *drm, bool cursor) { unsigned long possible_crtcs = tegra_plane_get_possible_crtcs(drm); + unsigned int blend_caps = BIT(DRM_MODE_BLEND_COVERAGE); struct tegra_plane *plane; unsigned int num_formats; enum drm_plane_type type; @@ -1394,6 +1399,7 @@ static struct drm_plane *tegra_dc_overlay_plane_create(struct drm_device *drm, } drm_plane_helper_add(&plane->base, &tegra_plane_helper_funcs); + drm_plane_create_blend_mode_property(&plane->base, blend_caps); drm_plane_create_zpos_property(&plane->base, plane->index, 0, 255); err = drm_plane_create_rotation_property(&plane->base, diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c index bd442bfd4540..448f49f3a7d7 100644 --- a/drivers/gpu/drm/tegra/hub.c +++ b/drivers/gpu/drm/tegra/hub.c @@ -759,6 +759,7 @@ struct drm_plane *tegra_shared_plane_create(struct drm_device *drm, unsigned int index, enum drm_plane_type type) { + unsigned int blend_caps = BIT(DRM_MODE_BLEND_COVERAGE); struct tegra_drm *tegra = drm->dev_private; struct tegra_display_hub *hub = tegra->hub; struct tegra_shared_plane *plane; @@ -797,6 +798,7 @@ struct drm_plane *tegra_shared_plane_create(struct drm_device *drm, } drm_plane_helper_add(p, &tegra_shared_plane_helper_funcs); + drm_plane_create_blend_mode_property(p, blend_caps); drm_plane_create_zpos_property(p, 0, 0, 255); return p; |