We already had a mapping in both (minus the phys_addr in AGP). Reviewed-by: Rodrigo Vivi <rodrigo.vivi at gmail.com> Signed-off-by: Ben Widawsky <ben at bwidawsk.net> --- drivers/char/agp/intel-gtt.c | 9 +++++---- drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/i915_gem_gtt.c | 16 ++++++++-------- include/drm/intel-gtt.h | 3 --- 4 files changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index f54ddc0..773ce8b 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -75,6 +75,7 @@ static struct _intel_private { struct resource ifp_resource; int resource_valid; struct page *scratch_page; + phys_addr_t scratch_page_dma; int refcount; /* Size of memory reserved for graphics by the BIOS */ unsigned int stolen_size; @@ -307,9 +308,9 @@ static int intel_gtt_setup_scratch_page(void) if (pci_dma_mapping_error(intel_private.pcidev, dma_addr)) return -EINVAL; - intel_private.base.scratch_page_dma = dma_addr; + intel_private.scratch_page_dma = dma_addr; } else - intel_private.base.scratch_page_dma = page_to_phys(page); + intel_private.scratch_page_dma = page_to_phys(page); intel_private.scratch_page = page; @@ -556,7 +557,7 @@ static unsigned int intel_gtt_mappable_entries(void) static void intel_gtt_teardown_scratch_page(void) { set_pages_wb(intel_private.scratch_page, 1); - pci_unmap_page(intel_private.pcidev, intel_private.base.scratch_page_dma, + pci_unmap_page(intel_private.pcidev, intel_private.scratch_page_dma, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); put_page(intel_private.scratch_page); __free_page(intel_private.scratch_page); @@ -900,7 +901,7 @@ void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries) unsigned int i; for (i = first_entry; i < (first_entry + num_entries); i++) { - intel_private.driver->write_entry(intel_private.base.scratch_page_dma, + intel_private.driver->write_entry(intel_private.scratch_page_dma, i, 0); } readl(intel_private.gtt+i-1); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 2083e91..091eef9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -389,6 +389,8 @@ struct i915_gtt { void __iomem *gsm; bool do_idle_maps; + dma_addr_t scratch_page_dma; + struct page *scratch_page; }; #define gtt_total_entries(gtt) ((gtt).total >> PAGE_SHIFT) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 38af3c4..33e7bbc 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -158,7 +158,7 @@ int i915_gem_init_aliasing_ppgtt(struct drm_device *dev) ppgtt->pt_dma_addr[i] = pt_addr; } - ppgtt->scratch_page_dma_addr = dev_priv->mm.gtt->scratch_page_dma; + ppgtt->scratch_page_dma_addr = dev_priv->gtt.scratch_page_dma; i915_ppgtt_clear_range(ppgtt, 0, ppgtt->num_pd_entries*I915_PPGTT_PT_ENTRIES); @@ -388,7 +388,7 @@ static void i915_ggtt_clear_range(struct drm_device *dev, first_entry, num_entries, max_entries)) num_entries = max_entries; - scratch_pte = pte_encode(dev, dev_priv->mm.gtt->scratch_page_dma, I915_CACHE_LLC); + scratch_pte = pte_encode(dev, dev_priv->gtt.scratch_page_dma, I915_CACHE_LLC); for (i = 0; i < num_entries; i++) iowrite32(scratch_pte, >t_base[i]); readl(gtt_base); @@ -653,8 +653,8 @@ static int setup_scratch_page(struct drm_device *dev) #else dma_addr = page_to_phys(page); #endif - dev_priv->mm.gtt->scratch_page = page; - dev_priv->mm.gtt->scratch_page_dma = dma_addr; + dev_priv->gtt.scratch_page = page; + dev_priv->gtt.scratch_page_dma = dma_addr; return 0; } @@ -662,11 +662,11 @@ static int setup_scratch_page(struct drm_device *dev) static void teardown_scratch_page(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - set_pages_wb(dev_priv->mm.gtt->scratch_page, 1); - pci_unmap_page(dev->pdev, dev_priv->mm.gtt->scratch_page_dma, + set_pages_wb(dev_priv->gtt.scratch_page, 1); + pci_unmap_page(dev->pdev, dev_priv->gtt.scratch_page_dma, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - put_page(dev_priv->mm.gtt->scratch_page); - __free_page(dev_priv->mm.gtt->scratch_page); + put_page(dev_priv->gtt.scratch_page); + __free_page(dev_priv->gtt.scratch_page); } static inline unsigned int gen6_get_total_gtt_size(u16 snb_gmch_ctl) diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h index db2785e..ae55605 100644 --- a/include/drm/intel-gtt.h +++ b/include/drm/intel-gtt.h @@ -4,9 +4,6 @@ #define _DRM_INTEL_GTT_H struct intel_gtt { - /* Share the scratch page dma with ppgtts. */ - dma_addr_t scratch_page_dma; - struct page *scratch_page; } *intel_gtt_get(void); int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, -- 1.8.1.1