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Merge tag 'drm-intel-next-fixes-2016-08-05' of git://anongit.freedesktop.org/drm-intel into drm-next 

3 intel fixes.

* tag 'drm-intel-next-fixes-2016-08-05' of git://anongit.freedesktop.org/drm-intel:
  drm/i915/fbdev: Check for the framebuffer before use
  drm/i915: Never fully mask the the EI up rps interrupt on SNB/IVB
  drm/i915: Wait up to 3ms for the pcu to ack the cdclk change request on SKL
This commit is contained in:
Dave Airlie 2016-08-08 16:16:26 +10:00
parent 5c6c201ccb c45eb4fed1
commit e8285cec4e
3 changed files with 14 additions and 24 deletions
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10
drivers/gpu/drm/i915/intel_display.c
View File

@ -5691,15 +5691,7 @@ static bool skl_cdclk_pcu_ready(struct drm_i915_private *dev_priv)
static bool skl_cdclk_wait_for_pcu_ready(struct drm_i915_private *dev_priv)
{
unsigned int i;
for (i = 0; i < 15; i++) {
if (skl_cdclk_pcu_ready(dev_priv))
return true;
udelay(10);
}
return false;
return _wait_for(skl_cdclk_pcu_ready(dev_priv), 3000, 10) == 0;
}
static void skl_set_cdclk(struct drm_i915_private *dev_priv, int cdclk, int vco)

25
drivers/gpu/drm/i915/intel_fbdev.c
View File

@ -782,7 +782,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous
struct intel_fbdev *ifbdev = dev_priv->fbdev;
struct fb_info *info;
if (!ifbdev)
if (!ifbdev || !ifbdev->fb)
return;
info = ifbdev->helper.fbdev;
@ -827,31 +827,28 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous
void intel_fbdev_output_poll_changed(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
if (dev_priv->fbdev)
drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper);
struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
if (ifbdev && ifbdev->fb)
drm_fb_helper_hotplug_event(&ifbdev->helper);
}
void intel_fbdev_restore_mode(struct drm_device *dev)
{
int ret;
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_fbdev *ifbdev = dev_priv->fbdev;
struct drm_fb_helper *fb_helper;
struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
if (!ifbdev)
return;
intel_fbdev_sync(ifbdev);
if (!ifbdev->fb)
return;
fb_helper = &ifbdev->helper;
ret = drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);
if (ret) {
if (drm_fb_helper_restore_fbdev_mode_unlocked(&ifbdev->helper)) {
DRM_DEBUG("failed to restore crtc mode\n");
} else {
mutex_lock(&fb_helper->dev->struct_mutex);
mutex_lock(&dev->struct_mutex);
intel_fb_obj_invalidate(ifbdev->fb->obj, ORIGIN_GTT);
mutex_unlock(&fb_helper->dev->struct_mutex);
mutex_unlock(&dev->struct_mutex);
}
}

3
drivers/gpu/drm/i915/intel_pm.c
View File

@ -4892,7 +4892,8 @@ void gen6_rps_idle(struct drm_i915_private *dev_priv)
else
gen6_set_rps(dev_priv, dev_priv->rps.idle_freq);
dev_priv->rps.last_adj = 0;
I915_WRITE(GEN6_PMINTRMSK, 0xffffffff);
I915_WRITE(GEN6_PMINTRMSK,
gen6_sanitize_rps_pm_mask(dev_priv, ~0));
}
mutex_unlock(&dev_priv->rps.hw_lock);