agp/intel: Remove the artificial cap on stolen size

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>

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index fc1637c32cb1e031323ffde2534edb8bef63e67e..19919ef9d6618d90ba1d5114ba2588d5bfcd5538 100644 (file)
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -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)