summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/radeon_device.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2010-04-20 13:15:05 +1000
committerDave Airlie <airlied@redhat.com>2010-04-20 13:15:05 +1000
commit0bcb1d844ac638a4c4280f697d5bfac9791e9a70 (patch)
treec51aa8427a81cb64dded4d4f68bf1a1b8ad32041 /drivers/gpu/drm/radeon/radeon_device.c
parentc9c2625ff4fc4ce652e686f895059d2902c01ca0 (diff)
parent90aca4d2740255bd130ea71a91530b9920c70abe (diff)
Merge branch 'drm-radeon-lockup' into drm-core-next
* drm-radeon-lockup: drm/radeon/kms: simplify & improve GPU reset V2 drm/radeon/kms: rename gpu_reset to asic_reset drm/radeon/kms: fence cleanup + more reliable GPU lockup detection V4 Conflicts: drivers/gpu/drm/radeon/r300.c
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 7b629e30556..001779d678b 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -671,7 +671,7 @@ int radeon_device_init(struct radeon_device *rdev,
/* Acceleration not working on AGP card try again
* with fallback to PCI or PCIE GART
*/
- radeon_gpu_reset(rdev);
+ radeon_asic_reset(rdev);
radeon_fini(rdev);
radeon_agp_disable(rdev);
r = radeon_init(rdev);
@@ -691,6 +691,8 @@ void radeon_device_fini(struct radeon_device *rdev)
{
DRM_INFO("radeon: finishing device.\n");
rdev->shutdown = true;
+ /* evict vram memory */
+ radeon_bo_evict_vram(rdev);
radeon_fini(rdev);
destroy_workqueue(rdev->wq);
vga_switcheroo_unregister_client(rdev->pdev);
@@ -789,6 +791,26 @@ int radeon_resume_kms(struct drm_device *dev)
return 0;
}
+int radeon_gpu_reset(struct radeon_device *rdev)
+{
+ int r;
+
+ radeon_save_bios_scratch_regs(rdev);
+ radeon_suspend(rdev);
+
+ r = radeon_asic_reset(rdev);
+ if (!r) {
+ dev_info(rdev->dev, "GPU reset succeed\n");
+ radeon_resume(rdev);
+ radeon_restore_bios_scratch_regs(rdev);
+ drm_helper_resume_force_mode(rdev->ddev);
+ return 0;
+ }
+ /* bad news, how to tell it to userspace ? */
+ dev_info(rdev->dev, "GPU reset failed\n");
+ return r;
+}
+
/*
* Debugfs