From: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
Date: Wed, 14 Feb 2007 11:39:02 +0000 (+0100)
Subject: Set the drm bus map type for each buffer object memory type.
X-Git-Tag: libdrm-2.3.1~299^2~14^2~7^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=04760563b88c8e94f3ae448710d1ab8b350c2e5f;p=platform%2Fupstream%2Flibdrm.git

Set the drm bus map type for each buffer object memory type.
---

diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index c472689..e070c07 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -664,6 +664,7 @@ typedef struct drm_mem_type_manager {
 	struct list_head lru;
 	struct list_head pinned;
 	uint32_t flags;
+        uint32_t drm_bus_maptype;
 	unsigned long io_offset;                 
 	unsigned long io_size;
 	void *io_addr;
diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c
index eeda4e4..3bb3599 100644
--- a/linux-core/drm_compat.c
+++ b/linux-core/drm_compat.c
@@ -306,8 +306,9 @@ int drm_bo_map_bound(struct vm_area_struct *vma)
 	BUG_ON(ret);
 
 	if (bus_size) {
+		drm_mem_type_manager_t *man = &dev->bm.man[bo->mem.mem_type];
 		unsigned long pfn = (bus_base + bus_offset) >> PAGE_SHIFT;
-		pgprot_t pgprot = drm_io_prot(_DRM_AGP, vma);
+		pgprot_t pgprot = drm_io_prot(man->drm_bus_maptype, vma);
 		ret = io_remap_pfn_range(vma, vma->vm_start, pfn,
 					 vma->vm_end - vma->vm_start,
 					 pgprot);
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 4a340b5..f3b1088 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -816,8 +816,10 @@ struct page *drm_bo_vm_fault(struct vm_area_struct *vma,
 	page_offset = (address - vma->vm_start) >> PAGE_SHIFT;
 
 	if (bus_size) {
+		drm_mem_type_manager_t *man = &dev->bm.man[bo->mem.mem_type];
+
 		pfn = ((bus_base + bus_offset) >> PAGE_SHIFT) + page_offset;
-		vma->vm_page_prot = drm_io_prot(_DRM_AGP, vma);
+		vma->vm_page_prot = drm_io_prot(man->drm_bus_maptype, vma);
 	} else {
 		ttm = bo->ttm;
 
diff --git a/linux-core/i915_buffer.c b/linux-core/i915_buffer.c
index 3ccfab3..374b28d 100644
--- a/linux-core/i915_buffer.c
+++ b/linux-core/i915_buffer.c
@@ -71,6 +71,7 @@ int i915_init_mem_type(drm_device_t * dev, uint32_t type,
 	case DRM_BO_MEM_LOCAL:
 		man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
 		    _DRM_FLAG_MEMTYPE_CACHED;
+		man->drm_bus_maptype = 0;
 		break;
 	case DRM_BO_MEM_TT:
 		if (!(drm_core_has_AGP(dev) && dev->agp)) {
@@ -83,6 +84,7 @@ int i915_init_mem_type(drm_device_t * dev, uint32_t type,
 		man->io_addr = NULL;
 		man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
 		    _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP;
+		man->drm_bus_maptype = _DRM_AGP;
 		break;
 	case DRM_BO_MEM_PRIV0:
 		if (!(drm_core_has_AGP(dev) && dev->agp)) {
@@ -95,7 +97,7 @@ int i915_init_mem_type(drm_device_t * dev, uint32_t type,
 		man->io_addr = NULL;
 		man->flags =  _DRM_FLAG_MEMTYPE_MAPPABLE |
 		    _DRM_FLAG_MEMTYPE_FIXED | _DRM_FLAG_NEEDS_IOREMAP;
-
+		man->drm_bus_maptype = _DRM_AGP;
 		break;
 	default:
 		DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);