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| author | James Morris <james.l.morris@oracle.com> | 2012-06-10 22:52:10 +1000 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2012-06-10 22:52:10 +1000 |
| commit | 66dd07b88a1c9d446f32253da606b87324fa620e (patch) | |
| tree | 4e0971bdd543585c7ab46716ae808a7fd82f9c35 /drivers/gpu/drm/gma500/psb_lid.c | |
| parent | f52c44cd27b4a0be37ef97f0466e4095ebebef3f (diff) | |
| parent | cfaf025112d3856637ff34a767ef785ef5cf2ca9 (diff) | |
Merge commit 'v3.5-rc2' into next
Diffstat (limited to 'drivers/gpu/drm/gma500/psb_lid.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/psb_lid.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/gma500/psb_lid.c b/drivers/gpu/drm/gma500/psb_lid.c index b867aabe6bf3..1d2ebb5e530f 100644 --- a/drivers/gpu/drm/gma500/psb_lid.c +++ b/drivers/gpu/drm/gma500/psb_lid.c @@ -29,7 +29,7 @@ static void psb_lid_timer_func(unsigned long data) struct drm_device *dev = (struct drm_device *)dev_priv->dev; struct timer_list *lid_timer = &dev_priv->lid_timer; unsigned long irq_flags; - u32 *lid_state = dev_priv->lid_state; + u32 __iomem *lid_state = dev_priv->opregion.lid_state; u32 pp_status; if (readl(lid_state) == dev_priv->lid_last_state) @@ -40,10 +40,16 @@ static void psb_lid_timer_func(unsigned long data) REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | POWER_TARGET_ON); do { pp_status = REG_READ(PP_STATUS); - } while ((pp_status & PP_ON) == 0); + } while ((pp_status & PP_ON) == 0 && + (pp_status & PP_SEQUENCE_MASK) != 0); - /*FIXME: should be backlight level before*/ - psb_intel_lvds_set_brightness(dev, 100); + if (REG_READ(PP_STATUS) & PP_ON) { + /*FIXME: should be backlight level before*/ + psb_intel_lvds_set_brightness(dev, 100); + } else { + DRM_DEBUG("LVDS panel never powered up"); + return; + } } else { psb_intel_lvds_set_brightness(dev, 0); |