diff options
| author | Rodrigo Vivi | 2014-09-05 22:57:20 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2014-09-19 14:43:23 +0200 |
| commit | 01d06e9f963ba6a83154ab81929b7f5e04bbe5dd (patch) | |
| tree | e6ba889d48294c407ce4b83de68324f3dc88a7f2 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | drm/i915: Clarify mmio_flip_lock locking (diff) | |
| download | kernel-qcow2-linux-01d06e9f963ba6a83154ab81929b7f5e04bbe5dd.tar.gz kernel-qcow2-linux-01d06e9f963ba6a83154ab81929b7f5e04bbe5dd.tar.xz kernel-qcow2-linux-01d06e9f963ba6a83154ab81929b7f5e04bbe5dd.zip | |
drm/i915: Only flush fbc on sw when fbc is enabled.
Avoid touching fbc register when fbc is disabled.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 675e8a2ce988..6f3b94b7300b 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); } |