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Subject[076/200] drm/radeon/kms: release AGP bridge at suspend
2.6.34-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jerome Glisse <jglisse@redhat.com>

commit 10b06122afcc78468bd1d009633cb71e528acdc5 upstream.

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>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/gpu/drm/radeon/radeon.h | 1 +
drivers/gpu/drm/radeon/radeon_agp.c | 5 +++++
drivers/gpu/drm/radeon/radeon_device.c | 2 ++
3 files changed, 8 insertions(+)

--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -566,6 +566,7 @@ typedef int (*radeon_packet3_check_t)(st
*/
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);


--- a/drivers/gpu/drm/radeon/radeon_agp.c
+++ b/drivers/gpu/drm/radeon/radeon_agp.c
@@ -270,3 +270,8 @@ void radeon_agp_fini(struct radeon_devic
}
#endif
}
+
+void radeon_agp_suspend(struct radeon_device *rdev)
+{
+ radeon_agp_fini(rdev);
+}
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -748,6 +748,8 @@ int radeon_suspend_kms(struct drm_device
/* 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 */



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