diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-11-16 11:43:21 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-21 17:45:02 +0100 |
| commit | b92fa839015f27ba0f5c7ef9812eba9ecff538c2 (patch) | |
| tree | 148442f65878fc5c29bc23f1ea4834957d503cc2 | |
| parent | d09105c66eb813ab3f57ba5e738f477f6ff92dec (diff) | |
drm/i915: Remove save/restore of physical HWS_PGA register
Now that we always restore the HWS registers (both physical and GTT
virtual addresses) when re-initialising the rings, we can eliminate the
superfluous save/restore of the register across suspend and resume.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 8 |
2 files changed, 0 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index dfb63fb48e2..b25df10b0b5 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -402,7 +402,6 @@ struct i915_suspend_saved_registers { u32 saveDSPACNTR; u32 saveDSPBCNTR; u32 saveDSPARB; - 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 a818eba7cb6..63d4d30c39d 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -811,10 +811,6 @@ int i915_save_state(struct drm_device *dev) mutex_lock(&dev->struct_mutex); - /* Hardware status page */ - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - dev_priv->regfile.saveHWS = I915_READ(HWS_PGA); - i915_save_display(dev); if (!drm_core_check_feature(dev, DRIVER_MODESET)) { @@ -865,10 +861,6 @@ int i915_restore_state(struct drm_device *dev) mutex_lock(&dev->struct_mutex); - /* Hardware status page */ - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - I915_WRITE(HWS_PGA, dev_priv->regfile.saveHWS); - i915_restore_display(dev); if (!drm_core_check_feature(dev, DRIVER_MODESET)) { |