Merge branch 'drm-intel-next' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel

* 'drm-intel-next' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
  drm/i915: fix up error path leak in i915_cmdbuffer
  drm/i915: fix unpaired i915 device mutex on entervt failure.
  drm/i915: add support for G41 chipset
  drm/i915: Enable ASLE if present
  drm/i915: Unregister ACPI video driver when exiting
  drm/i915: Register ACPI video even when not modesetting
  drm/i915: fix transition to I915_TILING_NONE
  drm/i915: Don't let an oops get triggered from irq_emit without dma init.
  drm/i915: allow tiled front buffers on 965+

10 files changed, 31 insertions, 13 deletions

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 1705d947ea09..d7ff61c0d571 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -2296,7 +2296,7 @@ static int __init acpi_video_init(void)
 	return acpi_video_register();
 }
 
-static void __exit acpi_video_exit(void)
+void __exit acpi_video_exit(void)
 {
 
 	acpi_bus_unregister_driver(&acpi_video_bus);
@@ -2305,6 +2305,7 @@ static void __exit acpi_video_exit(void)
 
 	return;
 }
+EXPORT_SYMBOL(acpi_video_exit);
 
 module_init(acpi_video_init);
 module_exit(acpi_video_exit);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index a000cf028826..051134c56aef 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -713,18 +713,18 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 	mutex_unlock(&dev->struct_mutex);
 	if (ret) {
 		DRM_ERROR("i915_dispatch_cmdbuffer failed\n");
-		goto fail_batch_free;
+		goto fail_clip_free;
 	}
 
 	if (sarea_priv)
 		sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
 
-fail_batch_free:
-	drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER);
 fail_clip_free:
 	drm_free(cliprects,
 		 cmdbuf->num_cliprects * sizeof(struct drm_clip_rect),
 		 DRM_MEM_DRIVER);
+fail_batch_free:
+	drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER);
 
 	return ret;
 }
@@ -1232,7 +1232,7 @@ int i915_driver_unload(struct drm_device *dev)
 	if (dev_priv->regs != NULL)
 		iounmap(dev_priv->regs);
 
-	intel_opregion_free(dev);
+	intel_opregion_free(dev, 0);
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
 		intel_modeset_cleanup(dev);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 6503e2210f65..98560e1e899a 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -77,7 +77,7 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 		drm_irq_uninstall(dev);
 	}
 
-	intel_opregion_free(dev);
+	intel_opregion_free(dev, 1);
 
 	if (state.event == PM_EVENT_SUSPEND) {
 		/* Shut down the device */
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 473a8f7fbdb5..25065923b8a8 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -674,12 +674,12 @@ extern int i915_restore_state(struct drm_device *dev);
 #ifdef CONFIG_ACPI
 /* i915_opregion.c */
 extern int intel_opregion_init(struct drm_device *dev, int resume);
-extern void intel_opregion_free(struct drm_device *dev);
+extern void intel_opregion_free(struct drm_device *dev, int suspend);
 extern void opregion_asle_intr(struct drm_device *dev);
 extern void opregion_enable_asle(struct drm_device *dev);
 #else
 static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; }
-static inline void intel_opregion_free(struct drm_device *dev) { return; }
+static inline void intel_opregion_free(struct drm_device *dev, int suspend) { return; }
 static inline void opregion_asle_intr(struct drm_device *dev) { return; }
 static inline void opregion_enable_asle(struct drm_device *dev) { return; }
 #endif
@@ -787,7 +787,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 		       (dev)->pci_device == 0x2A42 || \
 		       (dev)->pci_device == 0x2E02 || \
 		       (dev)->pci_device == 0x2E12 || \
-		       (dev)->pci_device == 0x2E22)
+		       (dev)->pci_device == 0x2E22 || \
+		       (dev)->pci_device == 0x2E32)
 
 #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
 
@@ -796,6 +797,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
 		     (dev)->pci_device == 0x2E12 || \
 		     (dev)->pci_device == 0x2E22 || \
+		     (dev)->pci_device == 0x2E32 || \
 		     IS_GM45(dev))
 
 #define IS_IGDG(dev) ((dev)->pci_device == 0xa001)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 4642115902d6..ee896d91c5bc 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4087,8 +4087,10 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
 	dev_priv->mm.suspended = 0;
 
 	ret = i915_gem_init_ringbuffer(dev);
-	if (ret != 0)
+	if (ret != 0) {
+		mutex_unlock(&dev->struct_mutex);
 		return ret;
+	}
 
 	spin_lock(&dev_priv->mm.active_list_lock);
 	BUG_ON(!list_empty(&dev_priv->mm.active_list));
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index f27e523c764f..52a059354e83 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -283,7 +283,6 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 	mutex_lock(&dev->struct_mutex);
 
 	if (args->tiling_mode == I915_TILING_NONE) {
-		obj_priv->tiling_mode = I915_TILING_NONE;
 		args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
 	} else {
 		if (args->tiling_mode == I915_TILING_X)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ee7ce7b78cf7..98bb4c878c4e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -406,7 +406,7 @@ int i915_irq_emit(struct drm_device *dev, void *data,
 	drm_i915_irq_emit_t *emit = data;
 	int result;
 
-	if (!dev_priv) {
+	if (!dev_priv || !dev_priv->ring.virtual_start) {
 		DRM_ERROR("called with no initialization\n");
 		return -EINVAL;
 	}
diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c
index 8dc1fd3115c2..dc425e74a268 100644
--- a/drivers/gpu/drm/i915/i915_opregion.c
+++ b/drivers/gpu/drm/i915/i915_opregion.c
@@ -386,6 +386,7 @@ int intel_opregion_init(struct drm_device *dev, int resume)
 	if (mboxes & MBOX_ASLE) {
 		DRM_DEBUG("ASLE supported\n");
 		opregion->asle = base + OPREGION_ASLE_OFFSET;
+		opregion_enable_asle(dev);
 	}
 
 	if (!resume)
@@ -409,7 +410,7 @@ err_out:
 	return err;
 }
 
-void intel_opregion_free(struct drm_device *dev)
+void intel_opregion_free(struct drm_device *dev, int suspend)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_opregion *opregion = &dev_priv->opregion;
@@ -417,6 +418,9 @@ void intel_opregion_free(struct drm_device *dev)
 	if (!opregion->enabled)
 		return;
 
+	if (!suspend)
+		acpi_video_exit();
+
 	opregion->acpi->drdy = 0;
 
 	system_opregion = NULL;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e805b590ae71..521194732266 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1446,6 +1446,7 @@
 #define   DISPPLANE_NO_LINE_DOUBLE		0
 #define   DISPPLANE_STEREO_POLARITY_FIRST	0
 #define   DISPPLANE_STEREO_POLARITY_SECOND	(1<<18)
+#define   DISPPLANE_TILED			(1<<10)
 #define DSPAADDR		0x70184
 #define DSPASTRIDE		0x70188
 #define DSPAPOS			0x7018C /* reserved */
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c2c8e95ff14d..bdcda36953b0 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -657,6 +657,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 	int dspbase = (pipe == 0 ? DSPAADDR : DSPBADDR);
 	int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
 	int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
+	int dsptileoff = (pipe == 0 ? DSPATILEOFF : DSPBTILEOFF);
 	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
 	u32 dspcntr, alignment;
 	int ret;
@@ -733,6 +734,13 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 		mutex_unlock(&dev->struct_mutex);
 		return -EINVAL;
 	}
+	if (IS_I965G(dev)) {
+		if (obj_priv->tiling_mode != I915_TILING_NONE)
+			dspcntr |= DISPPLANE_TILED;
+		else
+			dspcntr &= ~DISPPLANE_TILED;
+	}
+
 	I915_WRITE(dspcntr_reg, dspcntr);
 
 	Start = obj_priv->gtt_offset;
@@ -745,6 +753,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 		I915_READ(dspbase);
 		I915_WRITE(dspsurf, Start);
 		I915_READ(dspsurf);
+		I915_WRITE(dsptileoff, (y << 16) | x);
 	} else {
 		I915_WRITE(dspbase, Start + Offset);
 		I915_READ(dspbase);