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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-09 08:27:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-09 08:27:39 -0800
commit21283f056fe10a022187a40c331100a1a9a90244 (patch)
tree2b46c8428c5b97405a5ddfc6303f18ae383e4f08
parentcdf0c7de29a87cc600ef367893523ea15938da4e (diff)
parentb60678a75d44fa9d5969f79781bd856ad5858609 (diff)
Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/i915: Disable the GM965 MSI errata workaround. drm/i915: Don't return error in evict_everything when we get to the end. drm/radeon: don't actually enable the IRQ regs until irq is enabled
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c5
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.h1
-rw-r--r--drivers/gpu/drm/radeon/radeon_irq.c8
4 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index ba89b42f790..553dd4bc307 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -847,9 +847,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
* and the registers being closely associated.
*
* According to chipset errata, on the 965GM, MSI interrupts may
- * be lost or delayed
+ * be lost or delayed, but we use them anyways to avoid
+ * stuck interrupts on some machines.
*/
- if (!IS_I945G(dev) && !IS_I945GM(dev) && !IS_I965GM(dev))
+ if (!IS_I945G(dev) && !IS_I945GM(dev))
pci_enable_msi(dev->pdev);
intel_opregion_init(dev);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 3fde82be014..ad672d85482 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1104,6 +1104,8 @@ i915_gem_evict_everything(struct drm_device *dev)
if (ret != 0)
break;
}
+ if (ret == -ENOMEM)
+ return 0;
return ret;
}
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 7a183789be9..3bbb871b25d 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -299,7 +299,6 @@ typedef struct drm_radeon_private {
atomic_t swi_emitted;
int vblank_crtc;
uint32_t irq_enable_reg;
- int irq_enabled;
uint32_t r500_disp_irq_reg;
struct radeon_surface surfaces[RADEON_MAX_SURFACES];
diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c
index 97c0599fdb1..99be11418ac 100644
--- a/drivers/gpu/drm/radeon/radeon_irq.c
+++ b/drivers/gpu/drm/radeon/radeon_irq.c
@@ -44,7 +44,8 @@ void radeon_irq_set_state(struct drm_device *dev, u32 mask, int state)
else
dev_priv->irq_enable_reg &= ~mask;
- RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
+ if (!dev->irq_enabled)
+ RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
}
static void r500_vbl_irq_set_state(struct drm_device *dev, u32 mask, int state)
@@ -56,7 +57,8 @@ static void r500_vbl_irq_set_state(struct drm_device *dev, u32 mask, int state)
else
dev_priv->r500_disp_irq_reg &= ~mask;
- RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
+ if (!dev->irq_enabled)
+ RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
}
int radeon_enable_vblank(struct drm_device *dev, int crtc)
@@ -355,8 +357,6 @@ void radeon_driver_irq_uninstall(struct drm_device * dev)
if (!dev_priv)
return;
- dev_priv->irq_enabled = 0;
-
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
/* Disable *all* interrupts */