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drm/radeon: print dma status reg on lockup (v2)

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To help debug dma related lockup.

v2: agd5f: update SI as well

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jerome Glisse
2013-01-02 15:12:15 -05:00
committed by Alex Deucher
parent 4d0091904c
commit eaaa6983ab
7 changed files with 26 additions and 1 deletions
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4
drivers/gpu/drm/radeon/r600.c
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@@ -1297,6 +1297,8 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev)
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
RREG32(DMA_STATUS_REG));
rv515_mc_stop(rdev, &save);
if (r600_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
@@ -1348,6 +1350,8 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev)
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
RREG32(DMA_STATUS_REG));
rv515_mc_resume(rdev, &save);
return 0;
}