Avoid touching fbc register when fbc is disabled.
Cc: Paulo Zanoni <[email protected]>
Signed-off-by: Rodrigo Vivi <[email protected]>
---
drivers/gpu/drm/i915/intel_pm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 45f71e6..c3d3439 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -352,6 +352,9 @@ void gen8_fbc_sw_flush(struct drm_device *dev, u32 value)
if (!IS_GEN8(dev))
return;
+ if (!intel_fbc_enabled(dev))
+ return;
+
I915_WRITE(MSG_FBC_REND_STATE, value);
}
--
1.9.3
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