diff options
author | Alex Deucher <alexander.deucher@amd.com> | 2016-03-10 15:55:26 -0500 |
---|---|---|
committer | Sasha Levin <sasha.levin@oracle.com> | 2016-04-18 08:50:57 -0400 |
commit | 1a5aee1aaa9110ee4ba03f665f75b8b9ab21fd2c (patch) | |
tree | c1e94c6d68d4b0c410db4ab150eaea350f7ffc6f /drivers | |
parent | 76b69dfeb5f1bf19a6bd65991506bbb00647716b (diff) |
drm/radeon: rework fbdev handling on chips with no connectors
[ Upstream commit e5f243bd2edd95c6cc1d90c1878f821068e83fba ]
Move all the logic to radeon_fb.c and add checks to functions
called frome elsewhere.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=112781
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_fb.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index 634793ea8418..3fa9f67ba8df 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -333,7 +333,8 @@ 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) @@ -373,6 +374,10 @@ 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; @@ -425,11 +430,15 @@ 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); } 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; @@ -437,10 +446,12 @@ bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj) void radeon_fb_add_connector(struct radeon_device *rdev, struct drm_connector *connector) { - drm_fb_helper_add_one_connector(&rdev->mode_info.rfbdev->helper, 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) { - drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector); + if (rdev->mode_info.rfbdev) + drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector); } |