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drm/i915: call intel_enable_gtt

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When drm/i915 is in control of the gtt, we need to call
the enable function at all the relevant places ourselves.

Reviewed-by: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-06-07 15:56:03 +02:00
parent 32e3cd6ecd
commit 8ecd1a6615
3 changed files with 7 additions and 1 deletions
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3
drivers/char/agp/intel-gtt.c
View file

@ -777,7 +777,7 @@ static void i830_write_entry(dma_addr_t addr, unsigned int entry,
writel(addr | pte_flags, intel_private.gtt + entry);
}
static bool intel_enable_gtt(void)
bool intel_enable_gtt(void)
{
u8 __iomem *reg;
@ -823,6 +823,7 @@ static bool intel_enable_gtt(void)
return true;
}
EXPORT_SYMBOL(intel_enable_gtt);
static int i830_setup(void)
{

3
drivers/gpu/drm/i915/i915_gem.c
View file

@ -3689,6 +3689,9 @@ i915_gem_init_hw(struct drm_device *dev)
drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
if (!intel_enable_gtt())
return -EIO;
i915_gem_l3_remap(dev);
i915_gem_init_swizzling(dev);

2
include/drm/intel-gtt.h
View file

@ -27,6 +27,8 @@ int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
struct agp_bridge_data *bridge);
void intel_gmch_remove(void);
bool intel_enable_gtt(void);
void intel_gtt_chipset_flush(void);
void intel_gtt_unmap_memory(struct scatterlist *sg_list, int num_sg);
void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);