diff options
author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-05-22 23:18:44 -0400 |
---|---|---|
committer | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-05-22 23:18:44 -0400 |
commit | 40eb35bb55b86951ce6a93a6937ceff2e0fc45f9 (patch) | |
tree | 9fb33d39df134e0ad19fd3f658a6cd2492201e9b /drivers/gpu/drm/i915 | |
parent | c5aa2077c8bae6dcb5fc185b029fc084ec4a5202 (diff) | |
parent | 1c6dfdb912ee90ce3d20db20fec032e06a4315dd (diff) |
Merge commit 'v2.6.38.7' into linaro-2.6.38
Conflicts:
mm/memory.c
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 17 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 3 |
3 files changed, 21 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ecf8f947b4b..841558bc91c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6005,8 +6005,10 @@ intel_user_framebuffer_create(struct drm_device *dev, return ERR_PTR(-ENOENT); intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); - if (!intel_fb) + if (!intel_fb) { + drm_gem_object_unreference_unlocked(&obj->base); return ERR_PTR(-ENOMEM); + } ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); if (ret) { diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 51cb4e36997..8f3a02bc1cf 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1455,7 +1455,8 @@ intel_dp_link_down(struct intel_dp *intel_dp) if (!HAS_PCH_CPT(dev) && I915_READ(intel_dp->output_reg) & DP_PIPEB_SELECT) { - struct intel_crtc *intel_crtc = to_intel_crtc(intel_dp->base.base.crtc); + struct drm_crtc *crtc = intel_dp->base.base.crtc; + /* Hardware workaround: leaving our transcoder select * set to transcoder B while it's off will prevent the * corresponding HDMI output on transcoder A. @@ -1470,7 +1471,19 @@ intel_dp_link_down(struct intel_dp *intel_dp) /* Changes to enable or select take place the vblank * after being written. */ - intel_wait_for_vblank(dev, intel_crtc->pipe); + if (crtc == NULL) { + /* We can arrive here never having been attached + * to a CRTC, for instance, due to inheriting + * random state from the BIOS. + * + * If the pipe is not running, play safe and + * wait for the clocks to stabilise before + * continuing. + */ + POSTING_READ(intel_dp->output_reg); + msleep(50); + } else + intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe); } I915_WRITE(intel_dp->output_reg, DP & ~DP_PORT_EN); diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index bcdba7bd5cf..b902192c464 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -540,6 +540,9 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, struct drm_device *dev = dev_priv->dev; struct drm_connector *connector = dev_priv->int_lvds_connector; + if (dev->switch_power_state != DRM_SWITCH_POWER_ON) + return NOTIFY_OK; + /* * check and update the status of LVDS connector after receiving * the LID nofication event. |