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Commit 14bc490b authored by Zhenyu Wang's avatar Zhenyu Wang Committed by Eric Anholt
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drm/i915, agp/intel: Fix stolen memory size on Sandybridge 

New memory control config reg at 0x50 should be used for stolen
memory size detection on Sandybridge.
Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 21099537
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Showing with 200 additions and 53 deletions
drivers/char/agp/intel-agp.c
View file @ 14bc490b
...@@ -150,6 +150,25 @@ extern int agp_memory_reserved; ...@@ -150,6 +150,25 @@ extern int agp_memory_reserved;
#define INTEL_I7505_AGPCTRL 0x70 #define INTEL_I7505_AGPCTRL 0x70
#define INTEL_I7505_MCHCFG 0x50 #define INTEL_I7505_MCHCFG 0x50
#define SNB_GMCH_CTRL 0x50
#define SNB_GMCH_GMS_STOLEN_MASK 0xF8
#define SNB_GMCH_GMS_STOLEN_32M (1 << 3)
#define SNB_GMCH_GMS_STOLEN_64M (2 << 3)
#define SNB_GMCH_GMS_STOLEN_96M (3 << 3)
#define SNB_GMCH_GMS_STOLEN_128M (4 << 3)
#define SNB_GMCH_GMS_STOLEN_160M (5 << 3)
#define SNB_GMCH_GMS_STOLEN_192M (6 << 3)
#define SNB_GMCH_GMS_STOLEN_224M (7 << 3)
#define SNB_GMCH_GMS_STOLEN_256M (8 << 3)
#define SNB_GMCH_GMS_STOLEN_288M (9 << 3)
#define SNB_GMCH_GMS_STOLEN_320M (0xa << 3)
#define SNB_GMCH_GMS_STOLEN_352M (0xb << 3)
#define SNB_GMCH_GMS_STOLEN_384M (0xc << 3)
#define SNB_GMCH_GMS_STOLEN_416M (0xd << 3)
#define SNB_GMCH_GMS_STOLEN_448M (0xe << 3)
#define SNB_GMCH_GMS_STOLEN_480M (0xf << 3)
#define SNB_GMCH_GMS_STOLEN_512M (0x10 << 3)
static const struct aper_size_info_fixed intel_i810_sizes[] = static const struct aper_size_info_fixed intel_i810_sizes[] =
{ {
{64, 16384, 4}, {64, 16384, 4},
...@@ -621,7 +640,7 @@ static struct aper_size_info_fixed intel_i830_sizes[] = ...@@ -621,7 +640,7 @@ static struct aper_size_info_fixed intel_i830_sizes[] =
static void intel_i830_init_gtt_entries(void) static void intel_i830_init_gtt_entries(void)
{ {
u16 gmch_ctrl; u16 gmch_ctrl;
int gtt_entries; int gtt_entries = 0;
u8 rdct; u8 rdct;
int local = 0; int local = 0;
static const int ddt[4] = { 0, 16, 32, 64 }; static const int ddt[4] = { 0, 16, 32, 64 };
...@@ -715,10 +734,61 @@ static void intel_i830_init_gtt_entries(void) ...@@ -715,10 +734,61 @@ static void intel_i830_init_gtt_entries(void)
} }
} else if (agp_bridge->dev->device == } else if (agp_bridge->dev->device ==
PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB) { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB) {
/* XXX: This is what my A1 silicon has. What's the right /*
* answer? * SandyBridge has new memory control reg at 0x50.w
*/ */
gtt_entries = MB(64) - KB(size); u16 snb_gmch_ctl;
pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
switch (snb_gmch_ctl & SNB_GMCH_GMS_STOLEN_MASK) {
case SNB_GMCH_GMS_STOLEN_32M:
gtt_entries = MB(32) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_64M:
gtt_entries = MB(64) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_96M:
gtt_entries = MB(96) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_128M:
gtt_entries = MB(128) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_160M:
gtt_entries = MB(160) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_192M:
gtt_entries = MB(192) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_224M:
gtt_entries = MB(224) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_256M:
gtt_entries = MB(256) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_288M:
gtt_entries = MB(288) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_320M:
gtt_entries = MB(320) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_352M:
gtt_entries = MB(352) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_384M:
gtt_entries = MB(384) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_416M:
gtt_entries = MB(416) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_448M:
gtt_entries = MB(448) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_480M:
gtt_entries = MB(480) - KB(size);
break;
case SNB_GMCH_GMS_STOLEN_512M:
gtt_entries = MB(512) - KB(size);
break;
}
} else { } else {
switch (gmch_ctrl & I855_GMCH_GMS_MASK) { switch (gmch_ctrl & I855_GMCH_GMS_MASK) {
case I855_GMCH_GMS_STOLEN_1M: case I855_GMCH_GMS_STOLEN_1M:
......
drivers/gpu/drm/i915/i915_dma.c
View file @ 14bc490b
...@@ -1099,60 +1099,118 @@ static int i915_probe_agp(struct drm_device *dev, uint32_t *aperture_size, ...@@ -1099,60 +1099,118 @@ static int i915_probe_agp(struct drm_device *dev, uint32_t *aperture_size,
else else
overhead = (*aperture_size / 1024) + 4096; overhead = (*aperture_size / 1024) + 4096;
switch (tmp & INTEL_GMCH_GMS_MASK) { if (IS_GEN6(dev)) {
case INTEL_855_GMCH_GMS_DISABLED: /* SNB has memory control reg at 0x50.w */
/* XXX: This is what my A1 silicon has. */ pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &tmp);
if (IS_GEN6(dev)) {
switch (tmp & SNB_GMCH_GMS_STOLEN_MASK) {
case INTEL_855_GMCH_GMS_DISABLED:
DRM_ERROR("video memory is disabled\n");
return -1;
case SNB_GMCH_GMS_STOLEN_32M:
stolen = 32 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_64M:
stolen = 64 * 1024 * 1024; stolen = 64 * 1024 * 1024;
} else { break;
case SNB_GMCH_GMS_STOLEN_96M:
stolen = 96 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_128M:
stolen = 128 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_160M:
stolen = 160 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_192M:
stolen = 192 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_224M:
stolen = 224 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_256M:
stolen = 256 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_288M:
stolen = 288 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_320M:
stolen = 320 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_352M:
stolen = 352 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_384M:
stolen = 384 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_416M:
stolen = 416 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_448M:
stolen = 448 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_480M:
stolen = 480 * 1024 * 1024;
break;
case SNB_GMCH_GMS_STOLEN_512M:
stolen = 512 * 1024 * 1024;
break;
default:
DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
tmp & SNB_GMCH_GMS_STOLEN_MASK);
return -1;
}
} else {
switch (tmp & INTEL_GMCH_GMS_MASK) {
case INTEL_855_GMCH_GMS_DISABLED:
DRM_ERROR("video memory is disabled\n"); DRM_ERROR("video memory is disabled\n");
return -1; 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_GMCH_GMS_MASK);
return -1;
} }
break;
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_GMCH_GMS_MASK);
return -1;
} }
*preallocated_size = stolen - overhead; *preallocated_size = stolen - overhead;
*start = overhead; *start = overhead;
......
drivers/gpu/drm/i915/i915_reg.h
View file @ 14bc490b
...@@ -53,6 +53,25 @@ ...@@ -53,6 +53,25 @@
#define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) #define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4)
#define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) #define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4)
#define SNB_GMCH_CTRL 0x50
#define SNB_GMCH_GMS_STOLEN_MASK 0xF8
#define SNB_GMCH_GMS_STOLEN_32M (1 << 3)
#define SNB_GMCH_GMS_STOLEN_64M (2 << 3)
#define SNB_GMCH_GMS_STOLEN_96M (3 << 3)
#define SNB_GMCH_GMS_STOLEN_128M (4 << 3)
#define SNB_GMCH_GMS_STOLEN_160M (5 << 3)
#define SNB_GMCH_GMS_STOLEN_192M (6 << 3)
#define SNB_GMCH_GMS_STOLEN_224M (7 << 3)
#define SNB_GMCH_GMS_STOLEN_256M (8 << 3)
#define SNB_GMCH_GMS_STOLEN_288M (9 << 3)
#define SNB_GMCH_GMS_STOLEN_320M (0xa << 3)
#define SNB_GMCH_GMS_STOLEN_352M (0xb << 3)
#define SNB_GMCH_GMS_STOLEN_384M (0xc << 3)
#define SNB_GMCH_GMS_STOLEN_416M (0xd << 3)
#define SNB_GMCH_GMS_STOLEN_448M (0xe << 3)
#define SNB_GMCH_GMS_STOLEN_480M (0xf << 3)
#define SNB_GMCH_GMS_STOLEN_512M (0x10 << 3)
/* PCI config space */ /* PCI config space */
#define HPLLCC 0xc0 /* 855 only */ #define HPLLCC 0xc0 /* 855 only */
......
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