diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fb.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_fb.c | 46 |
1 files changed, 38 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index 0ea1db83d573..6514ff218995 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -303,7 +303,8 @@ out_unref: void radeon_fb_output_poll_changed(struct radeon_device *rdev) { - drm_fb_helper_hotplug_event(&rdev->mode_info.rfbdev->helper); + if (rdev->mode_info.rfbdev) + drm_fb_helper_hotplug_event(&rdev->mode_info.rfbdev->helper); } static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev) @@ -343,6 +344,10 @@ int radeon_fbdev_init(struct radeon_device *rdev) int bpp_sel = 32; int ret; + /* don't enable fbdev if no connectors */ + if (list_empty(&rdev->ddev->mode_config.connector_list)) + return 0; + /* select 8 bpp console on RN50 or 16MB cards */ if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024)) bpp_sel = 8; @@ -360,18 +365,27 @@ int radeon_fbdev_init(struct radeon_device *rdev) ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper, rdev->num_crtc, RADEONFB_CONN_LIMIT); - if (ret) { - kfree(rfbdev); - return ret; - } + if (ret) + goto free; - drm_fb_helper_single_add_all_connectors(&rfbdev->helper); + ret = drm_fb_helper_single_add_all_connectors(&rfbdev->helper); + if (ret) + goto fini; /* disable all the possible outputs/crtcs before entering KMS mode */ drm_helper_disable_unused_functions(rdev->ddev); - drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel); + ret = drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel); + if (ret) + goto fini; + return 0; + +fini: + drm_fb_helper_fini(&rfbdev->helper); +free: + kfree(rfbdev); + return ret; } void radeon_fbdev_fini(struct radeon_device *rdev) @@ -386,7 +400,8 @@ void radeon_fbdev_fini(struct radeon_device *rdev) void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state) { - fb_set_suspend(rdev->mode_info.rfbdev->helper.fbdev, state); + if (rdev->mode_info.rfbdev) + fb_set_suspend(rdev->mode_info.rfbdev->helper.fbdev, state); } int radeon_fbdev_total_size(struct radeon_device *rdev) @@ -401,7 +416,22 @@ int radeon_fbdev_total_size(struct radeon_device *rdev) bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj) { + if (!rdev->mode_info.rfbdev) + return false; + if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj)) return true; return false; } + +void radeon_fb_add_connector(struct radeon_device *rdev, struct drm_connector *connector) +{ + if (rdev->mode_info.rfbdev) + drm_fb_helper_add_one_connector(&rdev->mode_info.rfbdev->helper, connector); +} + +void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector *connector) +{ + if (rdev->mode_info.rfbdev) + drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector); +} |