diff options
Diffstat (limited to 'drivers/gpu/drm/stm/drv.c')
| -rw-r--r-- | drivers/gpu/drm/stm/drv.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index 8fe954c27fba..9ab00a87f7cc 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -31,6 +31,22 @@ static const struct drm_mode_config_funcs drv_mode_config_funcs = { .atomic_commit = drm_atomic_helper_commit, }; +static int stm_gem_cma_dumb_create(struct drm_file *file, + struct drm_device *dev, + struct drm_mode_create_dumb *args) +{ + unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); + + /* + * in order to optimize data transfer, pitch is aligned on + * 128 bytes, height is aligned on 4 bytes + */ + args->pitch = roundup(min_pitch, 128); + args->height = roundup(args->height, 4); + + return drm_gem_cma_dumb_create_internal(file, dev, args); +} + DEFINE_DRM_GEM_CMA_FOPS(drv_driver_fops); static struct drm_driver drv_driver = { @@ -44,7 +60,7 @@ static struct drm_driver drv_driver = { .minor = 0, .patchlevel = 0, .fops = &drv_driver_fops, - .dumb_create = drm_gem_cma_dumb_create, + .dumb_create = stm_gem_cma_dumb_create, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_free_object_unlocked = drm_gem_cma_free_object, |