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drm/radeon/kms: release AGP bridge at suspend 

I think it's good to release the AGP bridge at suspend
and reacquire it at resume. Also fix :
https://bugzilla.kernel.org/show_bug.cgi?id=15969

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
hifive-unleashed-5.1
Jerome Glisse 2010-05-21 18:48:54 +02:00 committed by Dave Airlie
parent b486787ee4
commit 10b06122af
3 changed files with 8 additions and 0 deletions
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1
drivers/gpu/drm/radeon/radeon.h
View File

@ -576,6 +576,7 @@ typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
*/
int radeon_agp_init(struct radeon_device *rdev);
void radeon_agp_resume(struct radeon_device *rdev);
void radeon_agp_suspend(struct radeon_device *rdev);
void radeon_agp_fini(struct radeon_device *rdev);

5
drivers/gpu/drm/radeon/radeon_agp.c
View File

@ -270,3 +270,8 @@ void radeon_agp_fini(struct radeon_device *rdev)
}
#endif
}
void radeon_agp_suspend(struct radeon_device *rdev)
{
radeon_agp_fini(rdev);
}

2
drivers/gpu/drm/radeon/radeon_device.c
View File

@ -754,6 +754,8 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
/* evict remaining vram memory */
radeon_bo_evict_vram(rdev);
radeon_agp_suspend(rdev);
pci_save_state(dev->pdev);
if (state.event == PM_EVENT_SUSPEND) {
/* Shut down the device */