fd.o bug #19336.
Signed-off-by: Eric Anholt <e...@anholt.net>
---
drivers/gpu/drm/i915/i915_dma.c | 46 ++++++++++++++++++++++++++++-----------
drivers/gpu/drm/i915/i915_reg.h | 8 ++++++-
2 files changed, 40 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 3d7082a..62a4bf7 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -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) {
+ 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:
- break; /* 1M already */
+ stolen = 1 * 1024 * 1024;
+ break;
case INTEL_855_GMCH_GMS_STOLEN_4M:
- *preallocated_size *= 4;
+ stolen = 4 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_8M:
- *preallocated_size *= 8;
+ stolen = 8 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_16M:
- *preallocated_size *= 16;
+ stolen = 16 * 1024 * 1024;
break;
case INTEL_855_GMCH_GMS_STOLEN_32M:
- *preallocated_size *= 32;
+ stolen = 32 * 1024 * 1024;
break;
case INTEL_915G_GMCH_GMS_STOLEN_48M:
- *preallocated_size *= 48;
+ stolen = 48 * 1024 * 1024;
break;
case INTEL_915G_GMCH_GMS_STOLEN_64M:
- *preallocated_size *= 64;
+ 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;
- case INTEL_855_GMCH_GMS_DISABLED:
- DRM_ERROR("video memory is disabled\n");
- return -1;
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;
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 1024315..2731625 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -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 */
--
1.5.6.5
------------------------------------------------------------------------------
--
_______________________________________________
Dri-devel mailing list
Dri-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/dri-devel
