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authorAlex Deucher <alexander.deucher@amd.com>2013-01-24 20:37:19 +0400
committerAlex Deucher <alexander.deucher@amd.com>2013-02-01 01:24:57 +0400
commit123bc1832c33218dfa677a88c2c54bc1a48a9e72 (patch)
tree5ad2423f6e4752d7db0120b8ecb4af6a83a00df2 /drivers/gpu/drm/radeon/r600.c
parentf770d78ac159a96071e3c4e4ab97c262e79506d3 (diff)
downloadlinux-123bc1832c33218dfa677a88c2c54bc1a48a9e72.tar.xz
drm/radeon: use the reset mask to determine if rings are hung
fetch the reset mask and check if the relevant ring flags are set to determine whether the ring is hung or not. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index abb143c0bdca..3f292765aea8 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1537,16 +1537,22 @@ int r600_asic_reset(struct radeon_device *rdev)
return 0;
}
-bool r600_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
+/**
+ * r600_gfx_is_lockup - Check if the GFX engine is locked up
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon_ring structure holding ring information
+ *
+ * Check if the GFX engine is locked up.
+ * Returns true if the engine appears to be locked up, false if not.
+ */
+bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
{
- u32 srbm_status;
- u32 grbm_status;
- u32 grbm_status2;
-
- srbm_status = RREG32(R_000E50_SRBM_STATUS);
- grbm_status = RREG32(R_008010_GRBM_STATUS);
- grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
- if (!G_008010_GUI_ACTIVE(grbm_status)) {
+ u32 reset_mask = r600_gpu_check_soft_reset(rdev);
+
+ if (!(reset_mask & (RADEON_RESET_GFX |
+ RADEON_RESET_COMPUTE |
+ RADEON_RESET_CP))) {
radeon_ring_lockup_update(ring);
return false;
}
@@ -1561,15 +1567,14 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
- * Check if the async DMA engine is locked up (r6xx-evergreen).
+ * Check if the async DMA engine is locked up.
* Returns true if the engine appears to be locked up, false if not.
*/
bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
{
- u32 dma_status_reg;
+ u32 reset_mask = r600_gpu_check_soft_reset(rdev);
- dma_status_reg = RREG32(DMA_STATUS_REG);
- if (dma_status_reg & DMA_IDLE) {
+ if (!(reset_mask & RADEON_RESET_DMA)) {
radeon_ring_lockup_update(ring);
return false;
}