On 10/29/2015 3:29 AM, Imre Deak wrote:
Currently during system s/r we enable/disable DC6, so before we do so
make sure that the firmware loading is complete.
Note that whether we need to enable DC6 for S3/S4 is still open. At
least the firmware program is lost during S3 and we need to reprogram it
after resuming. Until this is clarified we keep the current behavior and
enable/disable DC6.
Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
Reviewed-by: Animesh Manna <animesh.manna@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 96650ed..6de2287 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -656,6 +656,9 @@ static int i915_drm_suspend(struct drm_device *dev)
intel_display_set_init_power(dev_priv, false);
+ if (HAS_CSR(dev_priv))
+ flush_work(&dev_priv->csr.work);
+
return 0;
}
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