On 14.06.2012 21:54, alexdeuc...@gmail.com wrote:
From: Alex Deucher<alexander.deuc...@amd.com>
Not all asics have all rings, so make sure the ring is ready
before attempting to check it in the dynpm work handler.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=43367
Signed-off-by: Alex Deucher<alexander.deuc...@amd.com>
Reviewed-by: Christian König<christian.koe...@amd.com>
---
drivers/gpu/drm/radeon/radeon_pm.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c
b/drivers/gpu/drm/radeon/radeon_pm.c
index 79642cd..7ae6066 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -793,9 +793,13 @@ static void radeon_dynpm_idle_work_handler(struct
work_struct *work)
int i;
for (i = 0; i< RADEON_NUM_RINGS; ++i) {
- not_processed += radeon_fence_count_emitted(rdev, i);
- if (not_processed>= 3)
- break;
+ struct radeon_ring *ring =&rdev->ring[i];
+
+ if (ring->ready) {
+ not_processed +=
radeon_fence_count_emitted(rdev, i);
+ if (not_processed>= 3)
+ break;
+ }
}
if (not_processed>= 3) { /* should upclock */
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