diff options
Diffstat (limited to 'drivers/gpu/drm/drm_modeset_helper.c')
-rw-r--r-- | drivers/gpu/drm/drm_modeset_helper.c | 66 |
1 files changed, 30 insertions, 36 deletions
diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c index 0f08319453b2..f858dfedf2cf 100644 --- a/drivers/gpu/drm/drm_modeset_helper.c +++ b/drivers/gpu/drm/drm_modeset_helper.c @@ -100,45 +100,16 @@ EXPORT_SYMBOL(drm_helper_mode_fill_fb_struct); * This is the minimal list of formats that seem to be safe for modeset use * with all current DRM drivers. Most hardware can actually support more * formats than this and drivers may specify a more accurate list when - * creating the primary plane. However drivers that still call - * drm_plane_init() will use this minimal format list as the default. + * creating the primary plane. */ static const uint32_t safe_modeset_formats[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, }; -static struct drm_plane *create_primary_plane(struct drm_device *dev) -{ - struct drm_plane *primary; - int ret; - - primary = kzalloc(sizeof(*primary), GFP_KERNEL); - if (primary == NULL) { - DRM_DEBUG_KMS("Failed to allocate primary plane\n"); - return NULL; - } - - /* - * Remove the format_default field from drm_plane when dropping - * this helper. - */ - primary->format_default = true; - - /* possible_crtc's will be filled in later by crtc_init */ - ret = drm_universal_plane_init(dev, primary, 0, - &drm_primary_helper_funcs, - safe_modeset_formats, - ARRAY_SIZE(safe_modeset_formats), - NULL, - DRM_PLANE_TYPE_PRIMARY, NULL); - if (ret) { - kfree(primary); - primary = NULL; - } - - return primary; -} +static const struct drm_plane_funcs primary_plane_funcs = { + DRM_PLANE_NON_ATOMIC_FUNCS, +}; /** * drm_crtc_init - Legacy CRTC initialization function @@ -171,10 +142,33 @@ int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, const struct drm_crtc_funcs *funcs) { struct drm_plane *primary; + int ret; + + /* possible_crtc's will be filled in later by crtc_init */ + primary = __drm_universal_plane_alloc(dev, sizeof(*primary), 0, 0, + &primary_plane_funcs, + safe_modeset_formats, + ARRAY_SIZE(safe_modeset_formats), + NULL, DRM_PLANE_TYPE_PRIMARY, NULL); + if (IS_ERR(primary)) + return PTR_ERR(primary); - primary = create_primary_plane(dev); - return drm_crtc_init_with_planes(dev, crtc, primary, NULL, funcs, - NULL); + /* + * Remove the format_default field from drm_plane when dropping + * this helper. + */ + primary->format_default = true; + + ret = drm_crtc_init_with_planes(dev, crtc, primary, NULL, funcs, NULL); + if (ret) + goto err_drm_plane_cleanup; + + return 0; + +err_drm_plane_cleanup: + drm_plane_cleanup(primary); + kfree(primary); + return ret; } EXPORT_SYMBOL(drm_crtc_init); |