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| author |   Michel Dänzer <michel.daenzer@amd.com> | 2014-09-19 12:22:10 +0900 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2014-09-22 17:24:26 -0400 |
| commit | f55e03b975c230758c8f164347dfa10103f60e2c (patch) | |
| tree | 4aaf9f9742ac37c6c44b43f69299ba720cb16693 /drivers/gpu/drm/radeon/si.c | |
| parent | drm/radeon: Make IH ring overflow debugging output more useful (diff) | |
| download | linux-dev-f55e03b975c230758c8f164347dfa10103f60e2c.tar.xz linux-dev-f55e03b975c230758c8f164347dfa10103f60e2c.zip | |
drm/radeon: Update IH_RB_RPTR register after each processed interrupt
This might decrease the chance of IH ring buffer overflows.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 7baa6c655b95..3a0b973e8a96 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6664,13 +6664,13 @@ restart_ih: /* wptr/rptr are in bytes! */ rptr += 16; rptr &= rdev->ih.ptr_mask; + WREG32(IH_RB_RPTR, rptr); } if (queue_hotplug) schedule_work(&rdev->hotplug_work); if (queue_thermal && rdev->pm.dpm_enabled) schedule_work(&rdev->pm.dpm.thermal.work); rdev->ih.rptr = rptr; - WREG32(IH_RB_RPTR, rdev->ih.rptr); atomic_set(&rdev->ih.lock, 0); /* make sure wptr hasn't changed while processing */ |