drm/radeon: use the reset mask to determine if rings are hung

[linux-2.6-block.git] / drivers / gpu / drm / radeon / ni.c

diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 4784c4e5056fb64ed1383c0fee7e9a393ed5fb06..b6e80550ed9095f6748fafda184c56d1fbeae8bf 100644 (file)
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1533,24 +1533,50 @@ int cayman_asic_reset(struct radeon_device *rdev)
        return 0;
 }
 
+/**
+ * cayman_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 cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+       u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
+
+       if (!(reset_mask & (RADEON_RESET_GFX |
+                           RADEON_RESET_COMPUTE |
+                           RADEON_RESET_CP))) {
+               radeon_ring_lockup_update(ring);
+               return false;
+       }
+       /* force CP activities */
+       radeon_ring_force_activity(rdev, ring);
+       return radeon_ring_test_lockup(rdev, ring);
+}
+
 /**
  * cayman_dma_is_lockup - Check if the DMA engine is locked up
  *
  * @rdev: radeon_device pointer
  * @ring: radeon_ring structure holding ring information
  *
- * Check if the async DMA engine is locked up (cayman-SI).
+ * Check if the async DMA engine is locked up.
  * Returns true if the engine appears to be locked up, false if not.
  */
 bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
 {
-       u32 dma_status_reg;
+       u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
+       u32 mask;
 
        if (ring->idx == R600_RING_TYPE_DMA_INDEX)
-               dma_status_reg = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
+               mask = RADEON_RESET_DMA;
        else
-               dma_status_reg = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
-       if (dma_status_reg & DMA_IDLE) {
+               mask = RADEON_RESET_DMA1;
+
+       if (!(reset_mask & mask)) {
                radeon_ring_lockup_update(ring);
                return false;
        }