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.deucher at 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 */ -- 1.7.7.5
