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drm/i915: Respect the other stolen memory sizes we know of. 

fd.o bug #19336.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
hifive-unleashed-5.1
Eric Anholt 2009-01-02 18:05:51 -08:00 committed by Dave Airlie
parent 1fc45d84d6
commit 241fa85b2b
2 changed files with 50 additions and 24 deletions
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66
drivers/gpu/drm/i915/i915_dma.c
View File

@ -827,6 +827,7 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
struct pci_dev *bridge_dev;
u16 tmp = 0;
unsigned long overhead;
unsigned long stolen;
bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
if (!bridge_dev) {
@ -866,36 +867,55 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
else
overhead = (*aperture_size / 1024) + 4096;
switch (tmp & INTEL_855_GMCH_GMS_MASK) {
case INTEL_855_GMCH_GMS_STOLEN_1M:
break; /* 1M already */
case INTEL_855_GMCH_GMS_STOLEN_4M:
*preallocated_size *= 4;
break;
case INTEL_855_GMCH_GMS_STOLEN_8M:
*preallocated_size *= 8;
break;
case INTEL_855_GMCH_GMS_STOLEN_16M:
*preallocated_size *= 16;
break;
case INTEL_855_GMCH_GMS_STOLEN_32M:
*preallocated_size *= 32;
break;
case INTEL_915G_GMCH_GMS_STOLEN_48M:
*preallocated_size *= 48;
break;
case INTEL_915G_GMCH_GMS_STOLEN_64M:
*preallocated_size *= 64;
break;
switch (tmp & INTEL_GMCH_GMS_MASK) {
case INTEL_855_GMCH_GMS_DISABLED:
DRM_ERROR("video memory is disabled\n");
return -1;
case INTEL_855_GMCH_GMS_STOLEN_1M:
stolen = 1 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_4M:
stolen = 4 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_8M:
stolen = 8 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_16M:
stolen = 16 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_32M:
stolen = 32 * 1024 * 1024;
break;
case INTEL_915G_GMCH_GMS_STOLEN_48M:
stolen = 48 * 1024 * 1024;
break;
case INTEL_915G_GMCH_GMS_STOLEN_64M:
stolen = 64 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_128M:
stolen = 128 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_256M:
stolen = 256 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_96M:
stolen = 96 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_160M:
stolen = 160 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_224M:
stolen = 224 * 1024 * 1024;
break;
case INTEL_GMCH_GMS_STOLEN_352M:
stolen = 352 * 1024 * 1024;
break;
default:
DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
tmp & INTEL_855_GMCH_GMS_MASK);
tmp & INTEL_GMCH_GMS_MASK);
return -1;
}
*preallocated_size -= overhead;
*preallocated_size = stolen - overhead;
return 0;
}

8
drivers/gpu/drm/i915/i915_reg.h
View File

@ -35,7 +35,7 @@
#define INTEL_GMCH_MEM_64M 0x1
#define INTEL_GMCH_MEM_128M 0
#define INTEL_855_GMCH_GMS_MASK (0x7 << 4)
#define INTEL_GMCH_GMS_MASK (0xf << 4)
#define INTEL_855_GMCH_GMS_DISABLED (0x0 << 4)
#define INTEL_855_GMCH_GMS_STOLEN_1M (0x1 << 4)
#define INTEL_855_GMCH_GMS_STOLEN_4M (0x2 << 4)
@ -45,6 +45,12 @@
#define INTEL_915G_GMCH_GMS_STOLEN_48M (0x6 << 4)
#define INTEL_915G_GMCH_GMS_STOLEN_64M (0x7 << 4)
#define INTEL_GMCH_GMS_STOLEN_128M (0x8 << 4)
#define INTEL_GMCH_GMS_STOLEN_256M (0x9 << 4)
#define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4)
#define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4)
#define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4)
#define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4)
/* PCI config space */