drm/radeon: skip MC reset as it's probably not hung

[linux-2.6-block.git] / drivers / gpu / drm / radeon / r600.c

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 6d4b5611daf4b2f96c05c00593c186acbb015e7f..0740db3fcd2268af78e286ec6ec634570ff7efcd 100644 (file)
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1394,6 +1394,12 @@ static u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
        if (r600_is_display_hung(rdev))
                reset_mask |= RADEON_RESET_DISPLAY;
 
+       /* 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;
 }