{
drm_i915_private_t *dev_priv = dev->dev_private;
u32 busy_up, busy_down, max_avg, min_avg;
- u16 rgvswctl;
u8 new_delay = dev_priv->cur_delay;
- I915_WRITE(MEMINTRSTS, I915_READ(MEMINTRSTS) & ~MEMINT_EVAL_CHG);
+ I915_WRITE16(MEMINTRSTS, MEMINT_EVAL_CHG);
busy_up = I915_READ(RCPREVBSYTUPAVG);
busy_down = I915_READ(RCPREVBSYTDNAVG);
max_avg = I915_READ(RCBMAXAVG);
new_delay = dev_priv->min_delay;
}
- DRM_DEBUG("rps change requested: %d -> %d\n",
- dev_priv->cur_delay, new_delay);
-
- rgvswctl = I915_READ(MEMSWCTL);
- if (rgvswctl & MEMCTL_CMD_STS) {
- DRM_ERROR("gpu busy, RCS change rejected\n");
- return; /* still busy with another command */
- }
-
- /* Program the new state */
- rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
- (new_delay << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
- I915_WRITE(MEMSWCTL, rgvswctl);
- POSTING_READ(MEMSWCTL);
-
- rgvswctl |= MEMCTL_CMD_STS;
- I915_WRITE(MEMSWCTL, rgvswctl);
-
- dev_priv->cur_delay = new_delay;
-
- DRM_DEBUG("rps changed\n");
+ if (ironlake_set_drps(dev, new_delay))
+ dev_priv->cur_delay = new_delay;
return;
}
}
if (de_iir & DE_PCU_EVENT) {
- I915_WRITE(MEMINTRSTS, I915_READ(MEMINTRSTS));
+ I915_WRITE16(MEMINTRSTS, I915_READ(MEMINTRSTS));
i915_handle_rps_change(dev);
}
i915_error_state_free(dev, error);
}
-/**
- * i915_handle_error - handle an error interrupt
- * @dev: drm device
- *
- * Do some basic checking of regsiter state at error interrupt time and
- * dump it to the syslog. Also call i915_capture_error_state() to make
- * sure we get a record and make it available in debugfs. Fire a uevent
- * so userspace knows something bad happened (should trigger collection
- * of a ring dump etc.).
- */
-static void i915_handle_error(struct drm_device *dev, bool wedged)
+static void i915_report_and_clear_eir(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 eir = I915_READ(EIR);
- u32 pipea_stats = I915_READ(PIPEASTAT);
- u32 pipeb_stats = I915_READ(PIPEBSTAT);
- i915_capture_error_state(dev);
+ if (!eir)
+ return;
printk(KERN_ERR "render error detected, EIR: 0x%08x\n",
eir);
}
if (eir & I915_ERROR_MEMORY_REFRESH) {
+ u32 pipea_stats = I915_READ(PIPEASTAT);
+ u32 pipeb_stats = I915_READ(PIPEBSTAT);
+
printk(KERN_ERR "memory refresh error\n");
printk(KERN_ERR "PIPEASTAT: 0x%08x\n",
pipea_stats);
I915_WRITE(EMR, I915_READ(EMR) | eir);
I915_WRITE(IIR, I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
}
+}
+
+/**
+ * i915_handle_error - handle an error interrupt
+ * @dev: drm device
+ *
+ * Do some basic checking of regsiter state at error interrupt time and
+ * dump it to the syslog. Also call i915_capture_error_state() to make
+ * sure we get a record and make it available in debugfs. Fire a uevent
+ * so userspace knows something bad happened (should trigger collection
+ * of a ring dump etc.).
+ */
+static void i915_handle_error(struct drm_device *dev, bool wedged)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ i915_capture_error_state(dev);
+ i915_report_and_clear_eir(dev);
if (wedged) {
atomic_set(&dev_priv->mm.wedged, 1);
if (HAS_BSD(dev) && (iir & I915_BSD_USER_INTERRUPT))
DRM_WAKEUP(&dev_priv->bsd_ring.irq_queue);
- if (iir & I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT)
+ if (iir & I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT) {
intel_prepare_page_flip(dev, 0);
+ if (dev_priv->flip_pending_is_done)
+ intel_finish_page_flip_plane(dev, 0);
+ }
- if (iir & I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT)
+ if (iir & I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT) {
intel_prepare_page_flip(dev, 1);
+ if (dev_priv->flip_pending_is_done)
+ intel_finish_page_flip_plane(dev, 1);
+ }
if (pipea_stats & vblank_status) {
vblank++;
drm_handle_vblank(dev, 0);
- intel_finish_page_flip(dev, 0);
+ if (!dev_priv->flip_pending_is_done)
+ intel_finish_page_flip(dev, 0);
}
if (pipeb_stats & vblank_status) {
vblank++;
drm_handle_vblank(dev, 1);
- intel_finish_page_flip(dev, 1);
+ if (!dev_priv->flip_pending_is_done)
+ intel_finish_page_flip(dev, 1);
}
if ((pipea_stats & I915_LEGACY_BLC_EVENT_STATUS) ||
dev_priv->pipestat[1] = 0;
if (I915_HAS_HOTPLUG(dev)) {
- u32 hotplug_en = I915_READ(PORT_HOTPLUG_EN);
-
- /* Note HDMI and DP share bits */
- if (dev_priv->hotplug_supported_mask & HDMIB_HOTPLUG_INT_STATUS)
- hotplug_en |= HDMIB_HOTPLUG_INT_EN;
- if (dev_priv->hotplug_supported_mask & HDMIC_HOTPLUG_INT_STATUS)
- hotplug_en |= HDMIC_HOTPLUG_INT_EN;
- if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS)
- hotplug_en |= HDMID_HOTPLUG_INT_EN;
- if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS)
- hotplug_en |= SDVOC_HOTPLUG_INT_EN;
- if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS)
- hotplug_en |= SDVOB_HOTPLUG_INT_EN;
- if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS)
- hotplug_en |= CRT_HOTPLUG_INT_EN;
- /* Ignore TV since it's buggy */
-
- I915_WRITE(PORT_HOTPLUG_EN, hotplug_en);
-
/* Enable in IER... */
enable_mask |= I915_DISPLAY_PORT_INTERRUPT;
/* and unmask in IMR */
- i915_enable_irq(dev_priv, I915_DISPLAY_PORT_INTERRUPT);
+ dev_priv->irq_mask_reg &= ~I915_DISPLAY_PORT_INTERRUPT;
}
/*
}
I915_WRITE(EMR, error_mask);
- /* Disable pipe interrupt enables, clear pending pipe status */
- I915_WRITE(PIPEASTAT, I915_READ(PIPEASTAT) & 0x8000ffff);
- I915_WRITE(PIPEBSTAT, I915_READ(PIPEBSTAT) & 0x8000ffff);
- /* Clear pending interrupt status */
- I915_WRITE(IIR, I915_READ(IIR));
-
- I915_WRITE(IER, enable_mask);
I915_WRITE(IMR, dev_priv->irq_mask_reg);
+ I915_WRITE(IER, enable_mask);
(void) I915_READ(IER);
+ if (I915_HAS_HOTPLUG(dev)) {
+ u32 hotplug_en = I915_READ(PORT_HOTPLUG_EN);
+
+ /* Note HDMI and DP share bits */
+ if (dev_priv->hotplug_supported_mask & HDMIB_HOTPLUG_INT_STATUS)
+ hotplug_en |= HDMIB_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & HDMIC_HOTPLUG_INT_STATUS)
+ hotplug_en |= HDMIC_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS)
+ hotplug_en |= HDMID_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS)
+ hotplug_en |= SDVOC_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS)
+ hotplug_en |= SDVOB_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS) {
+ hotplug_en |= CRT_HOTPLUG_INT_EN;
+
+ /* Programming the CRT detection parameters tends
+ to generate a spurious hotplug event about three
+ seconds later. So just do it once.
+ */
+ if (IS_G4X(dev))
+ hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
+ hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
+ }
+
+ /* Ignore TV since it's buggy */
+
+ I915_WRITE(PORT_HOTPLUG_EN, hotplug_en);
+ }
+
opregion_enable_asle(dev);
return 0;
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff