drm/radeon: skip MC reset as it's probably not 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 80979ed951eb1afdacafa23b89ac7e116075858f..9128120da04441621ec1050b8cb0ff236704b7cf 100644 (file)
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2284,6 +2284,12 @@ static u32 si_gpu_check_soft_reset(struct radeon_device *rdev)
        if (tmp & L2_BUSY)
                reset_mask |= RADEON_RESET_VMC;
 
+       /* Skip MC reset as it's mostly likely not hung, just busy */
+       if (reset_mask & RADEON_RESET_MC) {
+               DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
+               reset_mask &= ~RADEON_RESET_MC;
+       }
+
        return reset_mask;
 }