drm/radeon/kms: fix alignment when allocating buffers
authorAlex Deucher <alexdeucher@gmail.com>
Thu, 18 Nov 2010 00:00:26 +0000 (19:00 -0500)
committerDave Airlie <airlied@redhat.com>
Thu, 18 Nov 2010 04:56:53 +0000 (14:56 +1000)
We were previously dropping alignment requests on the floor
when allocating buffers so we always ended up page aligned.
Certain tiling modes on 6xx+ require larger alignment which
wasn't happening before.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: Jerome Glisse <j.glisse@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 files changed:
drivers/gpu/drm/radeon/evergreen_blit_kms.c
drivers/gpu/drm/radeon/r600.c
drivers/gpu/drm/radeon/r600_blit_kms.c
drivers/gpu/drm/radeon/radeon_benchmark.c
drivers/gpu/drm/radeon/radeon_device.c
drivers/gpu/drm/radeon/radeon_gart.c
drivers/gpu/drm/radeon/radeon_gem.c
drivers/gpu/drm/radeon/radeon_object.c
drivers/gpu/drm/radeon/radeon_object.h
drivers/gpu/drm/radeon/radeon_ring.c
drivers/gpu/drm/radeon/radeon_test.c
drivers/gpu/drm/radeon/radeon_ttm.c
drivers/gpu/drm/radeon/rv770.c

index ac3b6dde23db7ca1fd5f80083436cb49fcce0312..e0e590110dd47ffb06b2161ed1058e731620c826 100644 (file)
@@ -459,7 +459,7 @@ int evergreen_blit_init(struct radeon_device *rdev)
        obj_size += evergreen_ps_size * 4;
        obj_size = ALIGN(obj_size, 256);
 
-       r = radeon_bo_create(rdev, NULL, obj_size, true, RADEON_GEM_DOMAIN_VRAM,
+       r = radeon_bo_create(rdev, NULL, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
                                &rdev->r600_blit.shader_obj);
        if (r) {
                DRM_ERROR("evergreen failed to allocate shader\n");
index 0f806cc7dc75f02f5bb00f98fc0d65b662aad688..a3552594ccc44c69b398980e539daf348d62322a 100644 (file)
@@ -2718,7 +2718,7 @@ static int r600_ih_ring_alloc(struct radeon_device *rdev)
        /* Allocate ring buffer */
        if (rdev->ih.ring_obj == NULL) {
                r = radeon_bo_create(rdev, NULL, rdev->ih.ring_size,
-                                    true,
+                                    PAGE_SIZE, true,
                                     RADEON_GEM_DOMAIN_GTT,
                                     &rdev->ih.ring_obj);
                if (r) {
index 8362974ef41ac9eac713f1e66377661aa7106c0b..86e5aa07f0db32ffe410f1c2dea0330fefd89d9d 100644 (file)
@@ -501,7 +501,7 @@ int r600_blit_init(struct radeon_device *rdev)
        obj_size += r6xx_ps_size * 4;
        obj_size = ALIGN(obj_size, 256);
 
-       r = radeon_bo_create(rdev, NULL, obj_size, true, RADEON_GEM_DOMAIN_VRAM,
+       r = radeon_bo_create(rdev, NULL, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
                                &rdev->r600_blit.shader_obj);
        if (r) {
                DRM_ERROR("r600 failed to allocate shader\n");
index 7932dc4d6b90bde396e258108247402ec90ce8ca..c558685cc637698a83fb7ceed220df897f988b44 100644 (file)
@@ -41,7 +41,7 @@ void radeon_benchmark_move(struct radeon_device *rdev, unsigned bsize,
 
        size = bsize;
        n = 1024;
-       r = radeon_bo_create(rdev, NULL, size, true, sdomain, &sobj);
+       r = radeon_bo_create(rdev, NULL, size, PAGE_SIZE, true, sdomain, &sobj);
        if (r) {
                goto out_cleanup;
        }
@@ -53,7 +53,7 @@ void radeon_benchmark_move(struct radeon_device *rdev, unsigned bsize,
        if (r) {
                goto out_cleanup;
        }
-       r = radeon_bo_create(rdev, NULL, size, true, ddomain, &dobj);
+       r = radeon_bo_create(rdev, NULL, size, PAGE_SIZE, true, ddomain, &dobj);
        if (r) {
                goto out_cleanup;
        }
index 8adfedfe547f6b6455676deaa26dada2592ff6a5..d8ac1849180d5af379d5fe024057447c922d326f 100644 (file)
@@ -180,7 +180,7 @@ int radeon_wb_init(struct radeon_device *rdev)
        int r;
 
        if (rdev->wb.wb_obj == NULL) {
-               r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true,
+               r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true,
                                RADEON_GEM_DOMAIN_GTT, &rdev->wb.wb_obj);
                if (r) {
                        dev_warn(rdev->dev, "(%d) create WB bo failed\n", r);
index e65b90317fab282df8b97b6b11b277ea867a2647..65016117d95f2f4e332bc6bdd0d9de63e8dbeafe 100644 (file)
@@ -79,8 +79,8 @@ int radeon_gart_table_vram_alloc(struct radeon_device *rdev)
 
        if (rdev->gart.table.vram.robj == NULL) {
                r = radeon_bo_create(rdev, NULL, rdev->gart.table_size,
-                                       true, RADEON_GEM_DOMAIN_VRAM,
-                                       &rdev->gart.table.vram.robj);
+                                    PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
+                                    &rdev->gart.table.vram.robj);
                if (r) {
                        return r;
                }
index d1e595d9172396b8104d19c7a1d0a87d3b14b772..df95eb83dac6d52e4cad7f6570d6cca9e2807b1f 100644 (file)
@@ -67,7 +67,7 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size,
        if (alignment < PAGE_SIZE) {
                alignment = PAGE_SIZE;
        }
-       r = radeon_bo_create(rdev, gobj, size, kernel, initial_domain, &robj);
+       r = radeon_bo_create(rdev, gobj, size, alignment, kernel, initial_domain, &robj);
        if (r) {
                if (r != -ERESTARTSYS)
                        DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
index 8eb183466015326f7ca93b2647e85a610fe91f6f..1d067743fee068174e3a5e85eb0e2d47b5b712ee 100644 (file)
@@ -86,11 +86,12 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
 }
 
 int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj,
-                       unsigned long size, bool kernel, u32 domain,
-                       struct radeon_bo **bo_ptr)
+                    unsigned long size, int byte_align, bool kernel, u32 domain,
+                    struct radeon_bo **bo_ptr)
 {
        struct radeon_bo *bo;
        enum ttm_bo_type type;
+       int page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
        int r;
 
        if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) {
@@ -115,7 +116,7 @@ retry:
        /* Kernel allocation are uninterruptible */
        mutex_lock(&rdev->vram_mutex);
        r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
-                       &bo->placement, 0, 0, !kernel, NULL, size,
+                       &bo->placement, page_align, 0, !kernel, NULL, size,
                        &radeon_ttm_bo_destroy);
        mutex_unlock(&rdev->vram_mutex);
        if (unlikely(r != 0)) {
index 3481bc7f6f582b08a0c2a9ff079fa9787defb6cd..d143702b244a4febdd51aa69ca7023e19d692a62 100644 (file)
@@ -137,9 +137,10 @@ static inline int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
 }
 
 extern int radeon_bo_create(struct radeon_device *rdev,
-                               struct drm_gem_object *gobj, unsigned long size,
-                               bool kernel, u32 domain,
-                               struct radeon_bo **bo_ptr);
+                           struct drm_gem_object *gobj, unsigned long size,
+                           int byte_align,
+                           bool kernel, u32 domain,
+                           struct radeon_bo **bo_ptr);
 extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
 extern void radeon_bo_kunmap(struct radeon_bo *bo);
 extern void radeon_bo_unref(struct radeon_bo **bo);
index 6ea798ce821896dd4b2704461b260578a63a2516..06e79822a2bff74b68fb74793c9ec906ad0834a1 100644 (file)
@@ -176,8 +176,8 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
        INIT_LIST_HEAD(&rdev->ib_pool.bogus_ib);
        /* Allocate 1M object buffer */
        r = radeon_bo_create(rdev, NULL,  RADEON_IB_POOL_SIZE*64*1024,
-                               true, RADEON_GEM_DOMAIN_GTT,
-                               &rdev->ib_pool.robj);
+                            PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT,
+                            &rdev->ib_pool.robj);
        if (r) {
                DRM_ERROR("radeon: failed to ib pool (%d).\n", r);
                return r;
@@ -332,7 +332,7 @@ int radeon_ring_init(struct radeon_device *rdev, unsigned ring_size)
        rdev->cp.ring_size = ring_size;
        /* Allocate ring buffer */
        if (rdev->cp.ring_obj == NULL) {
-               r = radeon_bo_create(rdev, NULL, rdev->cp.ring_size, true,
+               r = radeon_bo_create(rdev, NULL, rdev->cp.ring_size, PAGE_SIZE, true,
                                        RADEON_GEM_DOMAIN_GTT,
                                        &rdev->cp.ring_obj);
                if (r) {
index 313c96bc09da1dcfcb0703ed3aa82a2038af0731..5b44f652145c45cb5b1b588fa263fb318739a168 100644 (file)
@@ -52,7 +52,7 @@ void radeon_test_moves(struct radeon_device *rdev)
                goto out_cleanup;
        }
 
-       r = radeon_bo_create(rdev, NULL, size, true, RADEON_GEM_DOMAIN_VRAM,
+       r = radeon_bo_create(rdev, NULL, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
                                &vram_obj);
        if (r) {
                DRM_ERROR("Failed to create VRAM object\n");
@@ -71,7 +71,7 @@ void radeon_test_moves(struct radeon_device *rdev)
                void **gtt_start, **gtt_end;
                void **vram_start, **vram_end;
 
-               r = radeon_bo_create(rdev, NULL, size, true,
+               r = radeon_bo_create(rdev, NULL, size, PAGE_SIZE, true,
                                         RADEON_GEM_DOMAIN_GTT, gtt_obj + i);
                if (r) {
                        DRM_ERROR("Failed to create GTT object %d\n", i);
index 01c2c736a1daff116284db0f84f3896977e6eecb..1272e4b6a1d45469add57610a397c213704d5446 100644 (file)
@@ -529,7 +529,7 @@ int radeon_ttm_init(struct radeon_device *rdev)
                DRM_ERROR("Failed initializing VRAM heap.\n");
                return r;
        }
-       r = radeon_bo_create(rdev, NULL, 256 * 1024, true,
+       r = radeon_bo_create(rdev, NULL, 256 * 1024, PAGE_SIZE, true,
                                RADEON_GEM_DOMAIN_VRAM,
                                &rdev->stollen_vga_memory);
        if (r) {
index 245374e2b778b7706e9bf828c8a65876c1e11a00..4dfead8cee33907ae025c9c58adede92c12db4f6 100644 (file)
@@ -915,8 +915,8 @@ static int rv770_vram_scratch_init(struct radeon_device *rdev)
 
        if (rdev->vram_scratch.robj == NULL) {
                r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE,
-                                       true, RADEON_GEM_DOMAIN_VRAM,
-                                       &rdev->vram_scratch.robj);
+                                    PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
+                                    &rdev->vram_scratch.robj);
                if (r) {
                        return r;
                }