From cea165c34502052cb2aafc7e6bb36fe2036a19df Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Tue, 15 Apr 2014 21:41:35 +0300 Subject: [PATCH] drm/i915: Wait for vblank in hsw_enable_ips() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Now that the vblank wait is gone from intel_enable_primary_plane(), hsw_enable_ips() needs to do the vblank wait itself. Signed-off-by: Ville Syrjälä Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_display.c | 12 ++++++------ drivers/gpu/drm/i915/intel_sprite.c | 5 +---- 2 files changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9307465..bcfe0a8 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3734,17 +3734,17 @@ static void intel_disable_planes(struct drm_crtc *crtc) void hsw_enable_ips(struct intel_crtc *crtc) { - struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; if (!crtc->config.ips_enabled) return; - /* We can only enable IPS after we enable a plane and wait for a vblank. - * We guarantee that the plane is enabled by calling intel_enable_ips - * only after intel_enable_plane. And intel_enable_plane already waits - * for a vblank, so all we need to do here is to enable the IPS bit. */ + /* We can only enable IPS after we enable a plane and wait for a vblank */ + intel_wait_for_vblank(dev, crtc->pipe); + assert_plane_enabled(dev_priv, crtc->plane); - if (IS_BROADWELL(crtc->base.dev)) { + if (IS_BROADWELL(dev)) { mutex_lock(&dev_priv->rps.hw_lock); WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); mutex_unlock(&dev_priv->rps.hw_lock); diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 213cd58..7780f6c 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -696,10 +696,7 @@ intel_post_enable_primary(struct drm_crtc *crtc) * 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); - } + hsw_enable_ips(intel_crtc); mutex_lock(&dev->struct_mutex); intel_update_fbc(dev); -- 2.7.4