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Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c6
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index b24d522f490..0a4f39b9a0e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -150,6 +150,7 @@ typedef struct drm_i915_private {
u32 saveDSPBCNTR;
u32 saveDSPARB;
u32 saveRENDERSTANDBY;
+ u32 saveHWS;
u32 savePIPEACONF;
u32 savePIPEBCONF;
u32 savePIPEASRC;
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 5ddc6e595c0..5d84027ee8f 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -244,6 +244,9 @@ int i915_save_state(struct drm_device *dev)
if (IS_I965G(dev) && IS_MOBILE(dev))
dev_priv->saveRENDERSTANDBY = I915_READ(MCHBAR_RENDER_STANDBY);
+ /* Hardware status page */
+ dev_priv->saveHWS = I915_READ(HWS_PGA);
+
/* Display arbitration control */
dev_priv->saveDSPARB = I915_READ(DSPARB);
@@ -373,6 +376,9 @@ int i915_restore_state(struct drm_device *dev)
if (IS_I965G(dev) && IS_MOBILE(dev))
I915_WRITE(MCHBAR_RENDER_STANDBY, dev_priv->saveRENDERSTANDBY);
+ /* Hardware status page */
+ I915_WRITE(HWS_PGA, dev_priv->saveHWS);
+
/* Display arbitration */
I915_WRITE(DSPARB, dev_priv->saveDSPARB);