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agp/intel: Remove the artificial cap on stolen size

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Now that the stolen memory does not also steal entries from the GTT, we
can use all the memory the BIOS set aside for the GPU.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-11-23 12:33:54 +00:00
parent fe669bf88e
commit 1b6064d79b
1 changed files with 3 additions and 13 deletions
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16
drivers/char/agp/intel-gtt.c
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@ -39,9 +39,6 @@
#define USE_PCI_DMA_API 0
#endif
/* Max amount of stolen space, anything above will be returned to Linux */
int intel_max_stolen = 32 * 1024 * 1024;
static const struct aper_size_info_fixed intel_i810_sizes[] =
{
{64, 16384, 4},
@ -486,7 +483,7 @@ static unsigned int intel_gtt_stolen_entries(void)
u8 rdct;
int local = 0;
static const int ddt[4] = { 0, 16, 32, 64 };
unsigned int overhead_entries, stolen_entries;
unsigned int overhead_entries;
unsigned int stolen_size = 0;
pci_read_config_word(intel_private.bridge_dev,
@ -625,12 +622,7 @@ static unsigned int intel_gtt_stolen_entries(void)
}
}
if (!local && stolen_size > intel_max_stolen) {
dev_info(&intel_private.bridge_dev->dev,
"detected %dK stolen memory, trimming to %dK\n",
stolen_size / KB(1), intel_max_stolen / KB(1));
stolen_size = intel_max_stolen;
} else if (stolen_size > 0) {
if (stolen_size > 0) {
dev_info(&intel_private.bridge_dev->dev, "detected %dK %s memory\n",
stolen_size / KB(1), local ? "local" : "stolen");
} else {
@ -639,9 +631,7 @@ static unsigned int intel_gtt_stolen_entries(void)
stolen_size = 0;
}
stolen_entries = stolen_size/KB(4) - overhead_entries;
return stolen_entries;
return stolen_size/KB(4) - overhead_entries;
}
static void i965_adjust_pgetbl_size(unsigned int size_flag)