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-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 983617b5b338..20e3c65c0999 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1403,6 +1403,9 @@ static void i915_stop_engines(struct drm_i915_private *dev_priv,
struct intel_engine_cs *engine;
enum intel_engine_id id;
+ if (INTEL_GEN(dev_priv) < 3)
+ return;
+
for_each_engine_masked(engine, dev_priv, engine_mask, id)
gen3_stop_engine(engine);
}
@@ -1742,16 +1745,12 @@ static reset_func intel_get_gpu_reset(struct drm_i915_private *dev_priv)
int intel_gpu_reset(struct drm_i915_private *dev_priv, unsigned engine_mask)
{
- reset_func reset;
+ reset_func reset = intel_get_gpu_reset(dev_priv);
int retry;
int ret;
might_sleep();
- reset = intel_get_gpu_reset(dev_priv);
- if (reset == NULL)
- return -ENODEV;
-
/* If the power well sleeps during the reset, the reset
* request may be dropped and never completes (causing -EIO).
*/
@@ -1771,7 +1770,9 @@ int intel_gpu_reset(struct drm_i915_private *dev_priv, unsigned engine_mask)
*/
i915_stop_engines(dev_priv, engine_mask);
- ret = reset(dev_priv, engine_mask);
+ ret = -ENODEV;
+ if (reset)
+ ret = reset(dev_priv, engine_mask);
if (ret != -ETIMEDOUT)
break;