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Commit 8ecd1a66 authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/i915: call intel_enable_gtt 



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

Reviewed-by: default avatarJani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 32e3cd6e

drivers/char/agp/intel-gtt.c

+2 −1
Original line number Diff line number Diff line
@@ -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)

{

drivers/gpu/drm/i915/i915_gem.c

+3 −0
Original line number Diff line number Diff line
@@ -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);

include/drm/intel-gtt.h

+2 −0
Original line number Diff line number Diff line
@@ -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);