diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-01-10 16:06:47 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-01-10 21:03:35 +0400 |
| commit | 3f2dc5ac05714711fc14f2bf0ee5e42d5c08c581 (patch) | |
| tree | f1cec2ef8b445ed7e6482153cb4a5a6d46ddb07c /drivers/gpu/drm/i915/intel_pm.c | |
| parent | 0fb58223967fdf5acc2bdbfe50347841843131bc (diff) | |
| download | linux-3f2dc5ac05714711fc14f2bf0ee5e42d5c08c581.tar.xz | |
drm/i915: Fix 915GM self-refresh enable/disable
INSTPM is a masked register so use the _MASKED_BIT_{ENABLE,DISABLE}
macros when enabling/disabling self-refresh on 915GM.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index fca20e4992e1..9998185fdb22 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -1548,7 +1548,7 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc) if (IS_I945G(dev) || IS_I945GM(dev)) I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN_MASK | 0); else if (IS_I915GM(dev)) - I915_WRITE(INSTPM, I915_READ(INSTPM) & ~INSTPM_SELF_EN); + I915_WRITE(INSTPM, _MASKED_BIT_DISABLE(INSTPM_SELF_EN)); /* Calc sr entries for one plane configs */ if (HAS_FW_BLC(dev) && enabled) { @@ -1600,7 +1600,7 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc) I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN_MASK | FW_BLC_SELF_EN); else if (IS_I915GM(dev)) - I915_WRITE(INSTPM, I915_READ(INSTPM) | INSTPM_SELF_EN); + I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_SELF_EN)); DRM_DEBUG_KMS("memory self refresh enabled\n"); } else DRM_DEBUG_KMS("memory self refresh disabled\n"); |