summaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2016-03-10 23:55:26 +0300
committerAlex Deucher <alexander.deucher@amd.com>2016-03-14 20:34:19 +0300
commite5f243bd2edd95c6cc1d90c1878f821068e83fba (patch)
tree4178572c77bb8eec90262fa70784b226bb45ec48 /drivers/gpu
parent00b7c4ff7d482d287a591f047e0963d494569b46 (diff)
downloadlinux-e5f243bd2edd95c6cc1d90c1878f821068e83fba.tar.xz
drm/radeon: rework fbdev handling on chips with no connectors
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
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c6
-rw-r--r--drivers/gpu/drm/radeon/radeon_fb.c19
2 files changed, 17 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index a4674bfd979a..a885dae22dff 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1670,10 +1670,8 @@ int radeon_modeset_init(struct radeon_device *rdev)
/* setup afmt */
radeon_afmt_init(rdev);
- if (!list_empty(&rdev->ddev->mode_config.connector_list)) {
- radeon_fbdev_init(rdev);
- drm_kms_helper_poll_init(rdev->ddev);
- }
+ radeon_fbdev_init(rdev);
+ drm_kms_helper_poll_init(rdev->ddev);
/* do pm late init */
ret = radeon_pm_late_init(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index d2e628eea53d..d179596334a7 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -292,7 +292,8 @@ 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)
@@ -325,6 +326,10 @@ 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;
@@ -377,11 +382,15 @@ 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;
@@ -389,12 +398,14 @@ 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);
}
void radeon_fbdev_restore_mode(struct radeon_device *rdev)