Always true these days. It has been added originally to work
around some issues with the agp layer in 2.6.29:
commit ac5c4e76180a74c7f922f6fa71ace0cef45fa433
Author: Dave Airlie <airlied at redhat.com>
Date: Fri Dec 19 15:38:34 2008 +1000
drm/i915: GEM on PAE has problems - disable it for now.
Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/i915/i915_dma.c | 7 ++-----
drivers/gpu/drm/i915/i915_drv.h | 1 -
2 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index a813f65..44341e6 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -751,7 +751,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
value = dev->pci_device;
break;
case I915_PARAM_HAS_GEM:
- value = dev_priv->has_gem;
+ value = 1;
break;
case I915_PARAM_NUM_FENCES_AVAIL:
value = dev_priv->num_fence_regs - dev_priv->fence_reg_start;
@@ -764,7 +764,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
break;
case I915_PARAM_HAS_EXECBUF2:
/* depends on GEM */
- value = dev_priv->has_gem;
+ value = 1;
break;
case I915_PARAM_HAS_BSD:
value = HAS_BSD(dev);
@@ -2069,9 +2069,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
goto out_mtrrfree;
}
- /* enable GEM by default */
- dev_priv->has_gem = 1;
-
intel_irq_init(dev);
/* Try to make sure MCHBAR is enabled before poking at it */
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index faea1b6..22f08cc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -328,7 +328,6 @@ typedef struct drm_i915_private {
const struct intel_device_info *info;
- int has_gem;
int relative_constants_mode;
void __iomem *regs;
--
1.7.7.6
