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path: root/drivers/char/agp/intel-gtt.c
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Diffstat (limited to 'drivers/char/agp/intel-gtt.c')
-rw-r--r--drivers/char/agp/intel-gtt.c45
1 files changed, 44 insertions, 1 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 7f025fb620d..1237e7575c3 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1179,6 +1179,20 @@ static void gen6_write_entry(dma_addr_t addr, unsigned int entry,
writel(addr | pte_flags, intel_private.gtt + entry);
}
+static void valleyview_write_entry(dma_addr_t addr, unsigned int entry,
+ unsigned int flags)
+{
+ u32 pte_flags;
+
+ pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID;
+
+ /* gen6 has bit11-4 for physical addr bit39-32 */
+ addr |= (addr >> 28) & 0xff0;
+ writel(addr | pte_flags, intel_private.gtt + entry);
+
+ writel(1, intel_private.registers + GFX_FLSH_CNTL_VLV);
+}
+
static void gen6_cleanup(void)
{
}
@@ -1205,12 +1219,16 @@ static inline int needs_idle_maps(void)
static int i9xx_setup(void)
{
u32 reg_addr;
+ int size = KB(512);
pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &reg_addr);
reg_addr &= 0xfff80000;
- intel_private.registers = ioremap(reg_addr, 128 * 4096);
+ if (INTEL_GTT_GEN >= 7)
+ size = MB(2);
+
+ intel_private.registers = ioremap(reg_addr, size);
if (!intel_private.registers)
return -ENOMEM;
@@ -1354,6 +1372,15 @@ static const struct intel_gtt_driver sandybridge_gtt_driver = {
.check_flags = gen6_check_flags,
.chipset_flush = i9xx_chipset_flush,
};
+static const struct intel_gtt_driver valleyview_gtt_driver = {
+ .gen = 7,
+ .setup = i9xx_setup,
+ .cleanup = gen6_cleanup,
+ .write_entry = valleyview_write_entry,
+ .dma_mask_size = 40,
+ .check_flags = gen6_check_flags,
+ .chipset_flush = i9xx_chipset_flush,
+};
/* Table to describe Intel GMCH and AGP/PCIE GART drivers. At least one of
* driver and gmch_driver must be non-null, and find_gmch will determine
@@ -1460,6 +1487,22 @@ static const struct intel_gtt_driver_description {
"Ivybridge", &sandybridge_gtt_driver },
{ PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT2_IG,
"Ivybridge", &sandybridge_gtt_driver },
+ { PCI_DEVICE_ID_INTEL_VALLEYVIEW_IG,
+ "ValleyView", &valleyview_gtt_driver },
+ { PCI_DEVICE_ID_INTEL_HASWELL_D_GT1_IG,
+ "Haswell", &sandybridge_gtt_driver },
+ { PCI_DEVICE_ID_INTEL_HASWELL_D_GT2_IG,
+ "Haswell", &sandybridge_gtt_driver },
+ { PCI_DEVICE_ID_INTEL_HASWELL_M_GT1_IG,
+ "Haswell", &sandybridge_gtt_driver },
+ { PCI_DEVICE_ID_INTEL_HASWELL_M_GT2_IG,
+ "Haswell", &sandybridge_gtt_driver },
+ { PCI_DEVICE_ID_INTEL_HASWELL_S_GT1_IG,
+ "Haswell", &sandybridge_gtt_driver },
+ { PCI_DEVICE_ID_INTEL_HASWELL_S_GT2_IG,
+ "Haswell", &sandybridge_gtt_driver },
+ { PCI_DEVICE_ID_INTEL_HASWELL_SDV,
+ "Haswell", &sandybridge_gtt_driver },
{ 0, NULL, NULL }
};