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path: root/drivers/gpu/drm/tegra/plane.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/plane.c')
-rw-r--r--drivers/gpu/drm/tegra/plane.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tegra/plane.c b/drivers/gpu/drm/tegra/plane.c
index a056fbf83b53..6d6e2d0091eb 100644
--- a/drivers/gpu/drm/tegra/plane.c
+++ b/drivers/gpu/drm/tegra/plane.c
@@ -68,6 +68,21 @@ static void tegra_plane_atomic_destroy_state(struct drm_plane *plane,
kfree(state);
}
+static bool tegra_plane_format_mod_supported(struct drm_plane *plane,
+ uint32_t format,
+ uint64_t modifier)
+{
+ const struct drm_format_info *info = drm_format_info(format);
+
+ if (modifier == DRM_FORMAT_MOD_LINEAR)
+ return true;
+
+ if (info->num_planes == 1)
+ return true;
+
+ return false;
+}
+
const struct drm_plane_funcs tegra_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
@@ -75,6 +90,7 @@ const struct drm_plane_funcs tegra_plane_funcs = {
.reset = tegra_plane_reset,
.atomic_duplicate_state = tegra_plane_atomic_duplicate_state,
.atomic_destroy_state = tegra_plane_atomic_destroy_state,
+ .format_mod_supported = tegra_plane_format_mod_supported,
};
int tegra_plane_state_add(struct tegra_plane *plane,
@@ -296,8 +312,8 @@ int tegra_plane_format_get_alpha(unsigned int opaque, unsigned int *alpha)
return -EINVAL;
}
-unsigned int tegra_plane_get_overlap_index(struct tegra_plane *plane,
- struct tegra_plane *other)
+static unsigned int tegra_plane_get_overlap_index(struct tegra_plane *plane,
+ struct tegra_plane *other)
{
unsigned int index = 0, i;