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intel-gtt: generic intel_fake_agp_fetch_size

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This uses the new mappable gtt size detection from the previous patch.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Daniel Vetter 2010-08-27 15:33:26 +02:00 committed by Chris Wilson
parent 1784a5fb4f
commit 3e921f980f
1 changed files with 24 additions and 53 deletions
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77
drivers/char/agp/intel-gtt.c
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@ -815,6 +815,25 @@ static int intel_gtt_init(void)
return 0;
}
static int intel_fake_agp_fetch_size(void)
{
unsigned int aper_size;
int i;
int num_sizes = ARRAY_SIZE(intel_i830_sizes);
aper_size = (intel_private.base.gtt_mappable_entries << PAGE_SHIFT)
/ MB(1);
for (i = 0; i < num_sizes; i++) {
if (aper_size == intel_i830_sizes[i].size) {
agp_bridge->current_size = intel_i830_sizes + i;
return aper_size;
}
}
return 0;
}
static void intel_i830_fini_flush(void)
{
kunmap(intel_private.i8xx_page);
@ -906,36 +925,6 @@ static int intel_i830_free_gatt_table(struct agp_bridge_data *bridge)
return 0;
}
static int intel_i830_fetch_size(void)
{
u16 gmch_ctrl;
struct aper_size_info_fixed *values;
values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes);
if (intel_private.bridge_dev->device != PCI_DEVICE_ID_INTEL_82830_HB &&
intel_private.bridge_dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) {
/* 855GM/852GM/865G has 128MB aperture size */
agp_bridge->current_size = (void *) values;
agp_bridge->aperture_size_idx = 0;
return values[0].size;
}
pci_read_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, &gmch_ctrl);
if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) {
agp_bridge->current_size = (void *) values;
agp_bridge->aperture_size_idx = 0;
return values[0].size;
} else {
agp_bridge->current_size = (void *) (values + 1);
agp_bridge->aperture_size_idx = 1;
return values[1].size;
}
return 0;
}
static int intel_i830_configure(void)
{
struct aper_size_info_fixed *current_size;
@ -1283,24 +1272,6 @@ static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start,
* described in the spec of the MSAC registers is just changing of the
* resource size.
*/
static int intel_i9xx_fetch_size(void)
{
int num_sizes = ARRAY_SIZE(intel_i830_sizes);
int aper_size; /* size in megabytes */
int i;
aper_size = pci_resource_len(intel_private.pcidev, 2) / MB(1);
for (i = 0; i < num_sizes; i++) {
if (aper_size == intel_i830_sizes[i].size) {
agp_bridge->current_size = intel_i830_sizes + i;
return aper_size;
}
}
return 0;
}
static int intel_i915_get_gtt_size(void)
{
int size;
@ -1542,7 +1513,7 @@ static const struct agp_bridge_driver intel_830_driver = {
.num_aperture_sizes = 4,
.needs_scratch_page = true,
.configure = intel_i830_configure,
.fetch_size = intel_i830_fetch_size,
.fetch_size = intel_fake_agp_fetch_size,
.cleanup = intel_i830_cleanup,
.mask_memory = intel_i810_mask_memory,
.masks = intel_i810_masks,
@ -1569,7 +1540,7 @@ static const struct agp_bridge_driver intel_915_driver = {
.num_aperture_sizes = 4,
.needs_scratch_page = true,
.configure = intel_i9xx_configure,
.fetch_size = intel_i9xx_fetch_size,
.fetch_size = intel_fake_agp_fetch_size,
.cleanup = intel_i915_cleanup,
.mask_memory = intel_i810_mask_memory,
.masks = intel_i810_masks,
@ -1602,7 +1573,7 @@ static const struct agp_bridge_driver intel_i965_driver = {
.num_aperture_sizes = 4,
.needs_scratch_page = true,
.configure = intel_i9xx_configure,
.fetch_size = intel_i9xx_fetch_size,
.fetch_size = intel_fake_agp_fetch_size,
.cleanup = intel_i915_cleanup,
.mask_memory = intel_i965_mask_memory,
.masks = intel_i810_masks,
@ -1635,7 +1606,7 @@ static const struct agp_bridge_driver intel_gen6_driver = {
.num_aperture_sizes = 4,
.needs_scratch_page = true,
.configure = intel_i9xx_configure,
.fetch_size = intel_i9xx_fetch_size,
.fetch_size = intel_fake_agp_fetch_size,
.cleanup = intel_i915_cleanup,
.mask_memory = intel_gen6_mask_memory,
.masks = intel_gen6_masks,
@ -1668,7 +1639,7 @@ static const struct agp_bridge_driver intel_g33_driver = {
.num_aperture_sizes = 4,
.needs_scratch_page = true,
.configure = intel_i9xx_configure,
.fetch_size = intel_i9xx_fetch_size,
.fetch_size = intel_fake_agp_fetch_size,
.cleanup = intel_i915_cleanup,
.mask_memory = intel_i965_mask_memory,
.masks = intel_i810_masks,