diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 9e619ada056..496caa73eb7 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -1325,10 +1325,11 @@ static void valleyview_update_wm(struct drm_device *dev) (planeb_wm << DSPFW_PLANEB_SHIFT) | planea_wm); I915_WRITE(DSPFW2, - (I915_READ(DSPFW2) & DSPFW_CURSORA_MASK) | + (I915_READ(DSPFW2) & ~DSPFW_CURSORA_MASK) | (cursora_wm << DSPFW_CURSORA_SHIFT)); I915_WRITE(DSPFW3, - (I915_READ(DSPFW3) | (cursor_sr << DSPFW_CURSOR_SR_SHIFT))); + (I915_READ(DSPFW3) & ~DSPFW_CURSOR_SR_MASK) | + (cursor_sr << DSPFW_CURSOR_SR_SHIFT)); } static void g4x_update_wm(struct drm_device *dev) @@ -1374,11 +1375,11 @@ static void g4x_update_wm(struct drm_device *dev) (planeb_wm << DSPFW_PLANEB_SHIFT) | planea_wm); I915_WRITE(DSPFW2, - (I915_READ(DSPFW2) & DSPFW_CURSORA_MASK) | + (I915_READ(DSPFW2) & ~DSPFW_CURSORA_MASK) | (cursora_wm << DSPFW_CURSORA_SHIFT)); /* HPLL off in SR has some issues on G4x... disable it */ I915_WRITE(DSPFW3, - (I915_READ(DSPFW3) & ~DSPFW_HPLL_SR_EN) | + (I915_READ(DSPFW3) & ~(DSPFW_HPLL_SR_EN | DSPFW_CURSOR_SR_MASK)) | (cursor_sr << DSPFW_CURSOR_SR_SHIFT)); } @@ -2647,6 +2648,7 @@ static void ironlake_enable_rc6(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; + bool was_interruptible; int ret; /* rc6 disabled by default due to repeated reports of hanging during @@ -2661,6 +2663,9 @@ static void ironlake_enable_rc6(struct drm_device *dev) if (ret) return; + was_interruptible = dev_priv->mm.interruptible; + dev_priv->mm.interruptible = false; + /* * GPU can automatically power down the render unit if given a page * to save state. @@ -2668,6 +2673,7 @@ static void ironlake_enable_rc6(struct drm_device *dev) ret = intel_ring_begin(ring, 6); if (ret) { ironlake_teardown_rc6(dev); + dev_priv->mm.interruptible = was_interruptible; return; } @@ -2688,7 +2694,8 @@ static void ironlake_enable_rc6(struct drm_device *dev) * does an implicit flush, combined with MI_FLUSH above, it should be * safe to assume that renderctx is valid */ - ret = intel_wait_ring_idle(ring); + ret = intel_ring_idle(ring); + dev_priv->mm.interruptible = was_interruptible; if (ret) { DRM_ERROR("failed to enable ironlake power power savings\n"); ironlake_teardown_rc6(dev); @@ -3440,6 +3447,11 @@ static void cpt_init_clock_gating(struct drm_device *dev) I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE); I915_WRITE(SOUTH_CHICKEN2, I915_READ(SOUTH_CHICKEN2) | DPLS_EDP_PPS_FIX_DIS); + /* The below fixes the weird display corruption, a few pixels shifted + * downward, on (only) LVDS of some HP laptops with IVY. + */ + for_each_pipe(pipe) + I915_WRITE(TRANS_CHICKEN2(pipe), TRANS_CHICKEN2_TIMING_OVERRIDE); /* WADP0ClockGatingDisable */ for_each_pipe(pipe) { I915_WRITE(TRANS_CHICKEN1(pipe), |