redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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
hifive-unleashed-5.1
Alex Deucher 2016-03-10 15:55:26 -05:00
parent 00b7c4ff7d
commit e5f243bd2e
2 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/radeon/radeon_display.c
View File

@ -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);

19
drivers/gpu/drm/radeon/radeon_fb.c
View File

@ -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)