diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_plane.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_plane.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 8de74009dee4..d2a90dae5c71 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -179,6 +179,29 @@ static struct drm_plane_funcs exynos_plane_funcs = { }; 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) { @@ -222,6 +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; } |