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

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

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 89b564ec3d3440eb3d53e06b1d07393d9b548393..cd83bc5bd235b38dfcde5777423e740002d43342 100644 (file)
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2108,26 +2108,6 @@ static int si_cp_resume(struct radeon_device *rdev)
        return 0;
 }
 
-bool si_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
-{
-       u32 srbm_status;
-       u32 grbm_status, grbm_status2;
-       u32 grbm_status_se0, grbm_status_se1;
-
-       srbm_status = RREG32(SRBM_STATUS);
-       grbm_status = RREG32(GRBM_STATUS);
-       grbm_status2 = RREG32(GRBM_STATUS2);
-       grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
-       grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
-       if (!(grbm_status & GUI_ACTIVE)) {
-               radeon_ring_lockup_update(ring);
-               return false;
-       }
-       /* force CP activities */
-       radeon_ring_force_activity(rdev, ring);
-       return radeon_ring_test_lockup(rdev, ring);
-}
-
 static u32 si_gpu_check_soft_reset(struct radeon_device *rdev)
 {
        u32 reset_mask = 0;
@@ -2347,6 +2327,58 @@ int si_asic_reset(struct radeon_device *rdev)
        return 0;
 }
 
+/**
+ * si_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 si_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+       u32 reset_mask = si_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);
+}
+
+/**
+ * si_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.
+ * Returns true if the engine appears to be locked up, false if not.
+ */
+bool si_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+       u32 reset_mask = si_gpu_check_soft_reset(rdev);
+       u32 mask;
+
+       if (ring->idx == R600_RING_TYPE_DMA_INDEX)
+               mask = RADEON_RESET_DMA;
+       else
+               mask = RADEON_RESET_DMA1;
+
+       if (!(reset_mask & mask)) {
+               radeon_ring_lockup_update(ring);
+               return false;
+       }
+       /* force ring activities */
+       radeon_ring_force_activity(rdev, ring);
+       return radeon_ring_test_lockup(rdev, ring);
+}
+
 /* MC */
 static void si_mc_program(struct radeon_device *rdev)
 {