diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_plane.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_plane.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 61ad955645a5..c4c7af11fec5 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -906,6 +906,32 @@ out: ctx); } +static bool vc4_format_mod_supported(struct drm_plane *plane, + uint32_t format, + uint64_t modifier) +{ + /* Support T_TILING for RGB formats only. */ + switch (format) { + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: + case DRM_FORMAT_ARGB1555: + case DRM_FORMAT_XRGB1555: + return true; + case DRM_FORMAT_YUV422: + case DRM_FORMAT_YVU422: + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YVU420: + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV16: + default: + return (modifier == DRM_FORMAT_MOD_LINEAR); + } +} + static const struct drm_plane_funcs vc4_plane_funcs = { .update_plane = vc4_update_plane, .disable_plane = drm_atomic_helper_disable_plane, @@ -914,6 +940,7 @@ static const struct drm_plane_funcs vc4_plane_funcs = { .reset = vc4_plane_reset, .atomic_duplicate_state = vc4_plane_duplicate_state, .atomic_destroy_state = vc4_plane_destroy_state, + .format_mod_supported = vc4_format_mod_supported, }; struct drm_plane *vc4_plane_init(struct drm_device *dev, @@ -925,6 +952,11 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, u32 num_formats = 0; int ret = 0; unsigned i; + static const uint64_t modifiers[] = { + DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED, + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID + }; vc4_plane = devm_kzalloc(dev->dev, sizeof(*vc4_plane), GFP_KERNEL); @@ -945,7 +977,7 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, ret = drm_universal_plane_init(dev, plane, 0, &vc4_plane_funcs, formats, num_formats, - NULL, type, NULL); + modifiers, type, NULL); drm_plane_helper_add(plane, &vc4_plane_helper_funcs); |