Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/char/agp/intel-gtt.c | 10 ++++++----
drivers/gpu/drm/i915/i915_gem_gtt.c | 35 +++++++++++++----------------------
include/drm/intel-gtt.h | 2 --
3 files changed, 19 insertions(+), 28 deletions(-)
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index eb05eb5..a531377 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -84,6 +84,8 @@ static struct _intel_private {
* this is not the full gtt. */
unsigned int gtt_mappable_entries;
phys_addr_t gma_bus_addr;
+ /* Whether i915 needs to use the dmar apis or not. */
+ unsigned int needs_dmar : 1;
} intel_private;
#define INTEL_GTT_GEN intel_private.driver->gen
@@ -299,7 +301,7 @@ static int intel_gtt_setup_scratch_page(void)
get_page(page);
set_pages_uc(page, 1);
- if (intel_private.base.needs_dmar) {
+ if (intel_private.needs_dmar) {
dma_addr = pci_map_page(intel_private.pcidev, page, 0,
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
if (pci_dma_mapping_error(intel_private.pcidev, dma_addr))
@@ -615,7 +617,7 @@ static int intel_gtt_init(void)
intel_private.stolen_size = intel_gtt_stolen_size();
- intel_private.base.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2;
+ intel_private.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2;
ret = intel_gtt_setup_scratch_page();
if (ret != 0) {
@@ -875,7 +877,7 @@ static int intel_fake_agp_insert_entries(struct agp_memory
*mem,
if (!mem->is_flushed)
global_cache_flush();
- if (intel_private.base.needs_dmar) {
+ if (intel_private.needs_dmar) {
struct sg_table st;
ret = intel_gtt_map_memory(mem->pages, mem->page_count, &st);
@@ -919,7 +921,7 @@ static int intel_fake_agp_remove_entries(struct agp_memory
*mem,
intel_gtt_clear_range(pg_start, mem->page_count);
- if (intel_private.base.needs_dmar) {
+ if (intel_private.needs_dmar) {
intel_gtt_unmap_memory(mem->sg_list, mem->num_sg);
mem->sg_list = NULL;
mem->num_sg = 0;
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index e829f25..2acca75 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -139,28 +139,23 @@ int i915_gem_init_aliasing_ppgtt(struct drm_device *dev)
goto err_pt_alloc;
}
- if (dev_priv->mm.gtt->needs_dmar) {
- ppgtt->pt_dma_addr = kzalloc(sizeof(dma_addr_t)
- *ppgtt->num_pd_entries,
- GFP_KERNEL);
- if (!ppgtt->pt_dma_addr)
- goto err_pt_alloc;
+ ppgtt->pt_dma_addr = kzalloc(sizeof(dma_addr_t) *ppgtt->num_pd_entries,
+ GFP_KERNEL);
+ if (!ppgtt->pt_dma_addr)
+ goto err_pt_alloc;
- for (i = 0; i < ppgtt->num_pd_entries; i++) {
- dma_addr_t pt_addr;
+ for (i = 0; i < ppgtt->num_pd_entries; i++) {
+ dma_addr_t pt_addr;
- pt_addr = pci_map_page(dev->pdev, ppgtt->pt_pages[i],
- 0, 4096,
- PCI_DMA_BIDIRECTIONAL);
+ pt_addr = pci_map_page(dev->pdev, ppgtt->pt_pages[i], 0, 4096,
+ PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(dev->pdev,
- pt_addr)) {
- ret = -EIO;
- goto err_pd_pin;
+ if (pci_dma_mapping_error(dev->pdev, pt_addr)) {
+ ret = -EIO;
+ goto err_pd_pin;
- }
- ppgtt->pt_dma_addr[i] = pt_addr;
}
+ ppgtt->pt_dma_addr[i] = pt_addr;
}
ppgtt->scratch_page_dma_addr = dev_priv->mm.gtt->scratch_page_dma;
@@ -295,11 +290,7 @@ void i915_gem_init_ppgtt(struct drm_device *dev)
for (i = 0; i < ppgtt->num_pd_entries; i++) {
dma_addr_t pt_addr;
- if (dev_priv->mm.gtt->needs_dmar)
- pt_addr = ppgtt->pt_dma_addr[i];
- else
- pt_addr = page_to_phys(ppgtt->pt_pages[i]);
-
+ pt_addr = ppgtt->pt_dma_addr[i];
pd_entry = GEN6_PDE_ADDR_ENCODE(pt_addr);
pd_entry |= GEN6_PDE_VALID;
diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
index 6f53ecd..63157c5 100644
--- a/include/drm/intel-gtt.h
+++ b/include/drm/intel-gtt.h
@@ -4,8 +4,6 @@
#define _DRM_INTEL_GTT_H
struct intel_gtt {
- /* Whether i915 needs to use the dmar apis or not. */
- unsigned int needs_dmar : 1;
/* Whether we idle the gpu before mapping/unmapping */
unsigned int do_idle_maps : 1;
/* Share the scratch page dma with ppgtts. */
--
1.8.1
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