diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sprite.c | 19 |
3 files changed, 23 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 579becbc46e..fdaa672f148 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3329,7 +3329,7 @@ static void intel_disable_planes(struct drm_crtc *crtc) intel_plane_disable(&intel_plane->base); } -static void hsw_enable_ips(struct intel_crtc *crtc) +void hsw_enable_ips(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; @@ -3344,7 +3344,7 @@ static void hsw_enable_ips(struct intel_crtc *crtc) I915_WRITE(IPS_CTL, IPS_ENABLE); } -static void hsw_disable_ips(struct intel_crtc *crtc) +void hsw_disable_ips(struct intel_crtc *crtc) { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index eaf0003ddfd..55c8bc4b7d9 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -677,6 +677,8 @@ ironlake_check_encoder_dotclock(const struct intel_crtc_config *pipe_config, int dotclock); bool intel_crtc_active(struct drm_crtc *crtc); void i915_disable_vga_mem(struct drm_device *dev); +void hsw_enable_ips(struct intel_crtc *crtc); +void hsw_disable_ips(struct intel_crtc *crtc); /* intel_dp.c */ diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index d19146992f3..76d0e2f5c4a 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -528,6 +528,17 @@ intel_enable_primary(struct drm_crtc *crtc) I915_WRITE(reg, I915_READ(reg) | DISPLAY_PLANE_ENABLE); + /* + * FIXME IPS should be fine as long as one plane is + * enabled, but in practice it seems to have problems + * when going from primary only to sprite only and vice + * versa. + */ + if (intel_crtc->config.ips_enabled) { + intel_wait_for_vblank(dev, intel_crtc->pipe); + hsw_enable_ips(intel_crtc); + } + mutex_lock(&dev->struct_mutex); intel_update_fbc(dev); mutex_unlock(&dev->struct_mutex); @@ -551,6 +562,14 @@ intel_disable_primary(struct drm_crtc *crtc) intel_disable_fbc(dev); mutex_unlock(&dev->struct_mutex); + /* + * FIXME IPS should be fine as long as one plane is + * enabled, but in practice it seems to have problems + * when going from primary only to sprite only and vice + * versa. + */ + hsw_disable_ips(intel_crtc); + I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE); } |