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drm/i915: Fix stolen memory detection on G45 and GM45. 

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Eric Anholt 2008-12-03 22:50:02 -08:00 committed by Dave Airlie
parent 06d9f33ceb
commit 60fd99e368
2 changed files with 11 additions and 6 deletions
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14
drivers/gpu/drm/i915/i915_dma.c
View File

@ -821,7 +821,7 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
* some RAM for the framebuffer at early boot. This code figures out
* how much was set aside so we can use it for our own purposes.
*/
int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size,
int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
unsigned long *preallocated_size)
{
struct pci_dev *bridge_dev;
@ -841,7 +841,7 @@ int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size,
*aperture_size = 1024 * 1024;
*preallocated_size = 1024 * 1024;
switch (pdev->device) {
switch (dev->pdev->device) {
case PCI_DEVICE_ID_INTEL_82830_CGC:
case PCI_DEVICE_ID_INTEL_82845G_IG:
case PCI_DEVICE_ID_INTEL_82855GM_IG:
@ -853,7 +853,7 @@ int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size,
break;
default:
/* 9xx supports large sizes, just look at the length */
*aperture_size = pci_resource_len(pdev, 2);
*aperture_size = pci_resource_len(dev->pdev, 2);
break;
}
@ -861,7 +861,11 @@ int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size,
* Some of the preallocated space is taken by the GTT
* and popup. GTT is 1K per MB of aperture size, and popup is 4K.
*/
overhead = (*aperture_size / 1024) + 4096;
if (IS_G4X(dev))
overhead = 4096;
else
overhead = (*aperture_size / 1024) + 4096;
switch (tmp & INTEL_855_GMCH_GMS_MASK) {
case INTEL_855_GMCH_GMS_STOLEN_1M:
break; /* 1M already */
@ -913,7 +917,7 @@ static int i915_load_modeset_init(struct drm_device *dev)
else
dev_priv->cursor_needs_physical = false;
i915_probe_agp(dev->pdev, &agp_size, &prealloc_size);
i915_probe_agp(dev, &agp_size, &prealloc_size);
/* Basic memrange allocator for stolen space (aka vram) */
drm_mm_init(&dev_priv->vram, 0, prealloc_size);

3
drivers/gpu/drm/i915/i915_drv.h
View File

@ -746,7 +746,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
#define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
(dev)->pci_device == 0x2E12 || \
(dev)->pci_device == 0x2E22)
(dev)->pci_device == 0x2E22 || \
IS_GM45(dev))
#define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \
(dev)->pci_device == 0x29B2 || \