The implementation of struct drm_mode_config_funcs.mode_valid verifies that enough video memory is available for a given display mode.
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de --- drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c index 50b988fdd5cc..99397ac3b363 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c @@ -54,6 +54,7 @@ int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev, }
const struct drm_mode_config_funcs hibmc_mode_funcs = { + .mode_valid = drm_vram_helper_mode_valid, .atomic_check = drm_atomic_helper_check, .atomic_commit = drm_atomic_helper_commit, .fb_create = drm_gem_fb_create,