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drm/radeon: Make IH ring overflow debugging output more useful

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Use the same format for all ring indices, and fix the calculation of the
post-overflow RPTR.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2014-09-19 12:22:07 +09:00 committed by Alex Deucher
parent 11bab0ae99
commit 6cc2fda213
4 changed files with 8 additions and 8 deletions
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4
drivers/gpu/drm/radeon/cik.c
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@ -7756,8 +7756,8 @@ static inline u32 cik_get_ih_wptr(struct radeon_device *rdev)
* from the last not overwritten vector (wptr + 16). Hopefully
* this should allow us to catchup.
*/
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
tmp = RREG32(IH_RB_CNTL);
tmp |= IH_WPTR_OVERFLOW_CLEAR;

4
drivers/gpu/drm/radeon/evergreen.c
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@ -4754,8 +4754,8 @@ static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
* from the last not overwritten vector (wptr + 16). Hopefully
* this should allow us to catchup.
*/
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
tmp = RREG32(IH_RB_CNTL);
tmp |= IH_WPTR_OVERFLOW_CLEAR;

4
drivers/gpu/drm/radeon/r600.c
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@ -3797,8 +3797,8 @@ static u32 r600_get_ih_wptr(struct radeon_device *rdev)
* from the last not overwritten vector (wptr + 16). Hopefully
* this should allow us to catchup.
*/
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
tmp = RREG32(IH_RB_CNTL);
tmp |= IH_WPTR_OVERFLOW_CLEAR;

4
drivers/gpu/drm/radeon/si.c
View File

@ -6321,8 +6321,8 @@ static inline u32 si_get_ih_wptr(struct radeon_device *rdev)
* from the last not overwritten vector (wptr + 16). Hopefully
* this should allow us to catchup.
*/
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
tmp = RREG32(IH_RB_CNTL);
tmp |= IH_WPTR_OVERFLOW_CLEAR;