intel-gtt: introduce pte write function for g33/i965/gm45

Like for the i830.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 15 insertions, 2 deletions

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 4d768e085382..9d25ebd50d89 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1334,6 +1334,14 @@ static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start,
         return 0;
 }
 
+static void i965_write_entry(dma_addr_t addr, unsigned int entry,
+                             unsigned int flags)
+{
+        /* Shift high bits down */
+        addr |= (addr >> 28) & 0xf0;
+        writel(addr | I810_PTE_VALID, intel_private.gtt + entry);
+}
+
 static int i9xx_setup(void)
 {
         u32 reg_addr;
@@ -1497,7 +1505,7 @@ static const struct agp_bridge_driver intel_i965_driver = {
         .aperture_sizes         = intel_fake_agp_sizes,
         .num_aperture_sizes     = ARRAY_SIZE(intel_fake_agp_sizes),
         .needs_scratch_page     = true,
-        .configure              = intel_i9xx_configure,
+        .configure              = intel_fake_agp_configure,
         .fetch_size             = intel_fake_agp_fetch_size,
         .cleanup                = intel_gtt_cleanup,
         .mask_memory            = intel_i965_mask_memory,
@@ -1563,7 +1571,7 @@ static const struct agp_bridge_driver intel_g33_driver = {
         .aperture_sizes         = intel_fake_agp_sizes,
         .num_aperture_sizes     = ARRAY_SIZE(intel_fake_agp_sizes),
         .needs_scratch_page     = true,
-        .configure              = intel_i9xx_configure,
+        .configure              = intel_fake_agp_configure,
         .fetch_size             = intel_fake_agp_fetch_size,
         .cleanup                = intel_gtt_cleanup,
         .mask_memory            = intel_i965_mask_memory,
@@ -1605,24 +1613,29 @@ static const struct intel_gtt_driver g33_gtt_driver = {
         .gen = 3,
         .is_g33 = 1,
         .setup = i9xx_setup,
+        .write_entry = i965_write_entry,
 };
 static const struct intel_gtt_driver pineview_gtt_driver = {
         .gen = 3,
         .is_pineview = 1, .is_g33 = 1,
         .setup = i9xx_setup,
+        .write_entry = i965_write_entry,
 };
 static const struct intel_gtt_driver i965_gtt_driver = {
         .gen = 4,
         .setup = i9xx_setup,
+        .write_entry = i965_write_entry,
 };
 static const struct intel_gtt_driver g4x_gtt_driver = {
         .gen = 5,
         .setup = i9xx_setup,
+        .write_entry = i965_write_entry,
 };
 static const struct intel_gtt_driver ironlake_gtt_driver = {
         .gen = 5,
         .is_ironlake = 1,
         .setup = i9xx_setup,
+        .write_entry = i965_write_entry,
 };
 static const struct intel_gtt_driver sandybridge_gtt_driver = {
         .gen = 6,