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path: root/drivers/gpu/drm/exynos/exynos_drm_plane.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_plane.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_plane.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 611b6fd65433..d2a90dae5c71 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -173,13 +173,35 @@ static struct drm_plane_funcs exynos_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = drm_plane_cleanup,
- .set_property = drm_atomic_helper_plane_set_property,
.reset = exynos_drm_plane_reset,
.atomic_duplicate_state = exynos_drm_plane_duplicate_state,
.atomic_destroy_state = exynos_drm_plane_destroy_state,
};
static int
+exynos_drm_plane_check_format(const struct exynos_drm_plane_config *config,
+ struct exynos_drm_plane_state *state)
+{
+ struct drm_framebuffer *fb = state->base.fb;
+
+ switch (fb->modifier) {
+ case DRM_FORMAT_MOD_SAMSUNG_64_32_TILE:
+ if (!(config->capabilities & EXYNOS_DRM_PLANE_CAP_TILE))
+ return -ENOTSUPP;
+ break;
+
+ case DRM_FORMAT_MOD_LINEAR:
+ break;
+
+ default:
+ DRM_ERROR("unsupported pixel format modifier");
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
exynos_drm_plane_check_size(const struct exynos_drm_plane_config *config,
struct exynos_drm_plane_state *state)
{
@@ -223,6 +245,10 @@ static int exynos_plane_atomic_check(struct drm_plane *plane,
/* translate state into exynos_state */
exynos_plane_mode_set(exynos_state);
+ ret = exynos_drm_plane_check_format(exynos_plane->config, exynos_state);
+ if (ret)
+ return ret;
+
ret = exynos_drm_plane_check_size(exynos_plane->config, exynos_state);
return ret;
}
@@ -283,7 +309,7 @@ int exynos_plane_init(struct drm_device *dev,
&exynos_plane_funcs,
config->pixel_formats,
config->num_pixel_formats,
- config->type, NULL);
+ NULL, config->type, NULL);
if (err) {
DRM_ERROR("failed to initialize plane\n");
return err;