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Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6

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* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6:
  drm/i915/lvds: Only act on lid notify when the device is on
  drm/i915: fix intel_crtc_clock_get pipe reads after "cleanup cleanup"
  drm/i915: Only enable the plane after setting the fb base (pre-ILK)
  drm/i915/dp: Be paranoid in case we disable a DP before it is attached
  drm/i915: Release object along create user fb error path
This commit is contained in:
Linus Torvalds 2011-05-09 16:59:51 -07:00
commit c191f6ccee
3 changed files with 23 additions and 7 deletions
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10
drivers/gpu/drm/i915/intel_display.c
View file

@ -5154,8 +5154,6 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
I915_WRITE(DSPCNTR(plane), dspcntr);
POSTING_READ(DSPCNTR(plane));
if (!HAS_PCH_SPLIT(dev))
intel_enable_plane(dev_priv, plane, pipe);
ret = intel_pipe_set_base(crtc, x, y, old_fb);
@ -5605,9 +5603,9 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
intel_clock_t clock;
if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
fp = FP0(pipe);
fp = I915_READ(FP0(pipe));
else
fp = FP1(pipe);
fp = I915_READ(FP1(pipe));
clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
if (IS_PINEVIEW(dev)) {
@ -6579,8 +6577,10 @@ 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) {

17
drivers/gpu/drm/i915/intel_dp.c
View file

@ -1470,7 +1470,8 @@ 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.
@ -1485,7 +1486,19 @@ 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);

3
drivers/gpu/drm/i915/intel_lvds.c
View file

@ -539,6 +539,9 @@ 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.