drm/radeon/kms: use RADEON_GPU_PAGE_SIZE instead of 4096

Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/r100.c

@@ -240,7 +240,7 @@ int r100_wb_init(struct radeon_device *rdev)
 	int r;
 
 	if (rdev->wb.wb_obj == NULL) {
-		r = radeon_object_create(rdev, NULL, 4096,
+		r = radeon_object_create(rdev, NULL, RADEON_GPU_PAGE_SIZE,
 					 true,
 					 RADEON_GEM_DOMAIN_GTT,
 					 false, &rdev->wb.wb_obj);

drivers/gpu/drm/radeon/r300.c

@@ -113,7 +113,7 @@ int rv370_pcie_gart_enable(struct radeon_device *rdev)
 	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_location);
-	tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 4096;
+	tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - RADEON_GPU_PAGE_SIZE;
 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);

drivers/gpu/drm/radeon/r600.c

@@ -1269,9 +1269,9 @@ int r600_cp_resume(struct radeon_device *rdev)
 	rb_bufsz = drm_order(rdev->cp.ring_size / 8);
 #ifdef __BIG_ENDIAN
 	WREG32(CP_RB_CNTL, BUF_SWAP_32BIT | RB_NO_UPDATE |
-		(drm_order(4096/8) << 8) | rb_bufsz);
+		(drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz);
 #else
-	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (drm_order(4096/8) << 8) | rb_bufsz);
+	WREG32(CP_RB_CNTL, RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz);
 #endif
 	WREG32(CP_SEM_WAIT_TIMER, 0x4);
 
@@ -1400,7 +1400,7 @@ int r600_wb_enable(struct radeon_device *rdev)
 	int r;
 
 	if (rdev->wb.wb_obj == NULL) {
-		r = radeon_object_create(rdev, NULL, 4096, true,
+		r = radeon_object_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true,
 				RADEON_GEM_DOMAIN_GTT, false, &rdev->wb.wb_obj);
 		if (r) {
 			dev_warn(rdev->dev, "failed to create WB buffer (%d).\n", r);
@@ -1450,8 +1450,8 @@ int r600_copy_blit(struct radeon_device *rdev,
 		   uint64_t src_offset, uint64_t dst_offset,
 		   unsigned num_pages, struct radeon_fence *fence)
 {
-	r600_blit_prepare_copy(rdev, num_pages * 4096);
-	r600_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * 4096);
+	r600_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
+	r600_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
 	r600_blit_done_copy(rdev, fence);
 	return 0;
 }

drivers/gpu/drm/radeon/radeon.h

@@ -276,6 +276,8 @@ union radeon_gart_table {
 	struct radeon_gart_table_vram	vram;
 };
 
+#define RADEON_GPU_PAGE_SIZE 4096
+
 struct radeon_gart {
 	dma_addr_t			table_addr;
 	unsigned			num_gpu_pages;

drivers/gpu/drm/radeon/radeon_benchmark.c

@@ -63,7 +63,7 @@ void radeon_benchmark_move(struct radeon_device *rdev, unsigned bsize,
 		if (r) {
 			goto out_cleanup;
 		}
-		r = radeon_copy_dma(rdev, saddr, daddr, size / 4096, fence);
+		r = radeon_copy_dma(rdev, saddr, daddr, size / RADEON_GPU_PAGE_SIZE, fence);
 		if (r) {
 			goto out_cleanup;
 		}
@@ -88,7 +88,7 @@ void radeon_benchmark_move(struct radeon_device *rdev, unsigned bsize,
 		if (r) {
 			goto out_cleanup;
 		}
-		r = radeon_copy_blit(rdev, saddr, daddr, size / 4096, fence);
+		r = radeon_copy_blit(rdev, saddr, daddr, size / RADEON_GPU_PAGE_SIZE, fence);
 		if (r) {
 			goto out_cleanup;
 		}

drivers/gpu/drm/radeon/radeon_gart.c

@@ -140,15 +140,15 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
 		WARN(1, "trying to unbind memory to unitialized GART !\n");
 		return;
 	}
-	t = offset / 4096;
-	p = t / (PAGE_SIZE / 4096);
+	t = offset / RADEON_GPU_PAGE_SIZE;
+	p = t / (PAGE_SIZE / RADEON_GPU_PAGE_SIZE);
 	for (i = 0; i < pages; i++, p++) {
 		if (rdev->gart.pages[p]) {
 			pci_unmap_page(rdev->pdev, rdev->gart.pages_addr[p],
 				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
 			rdev->gart.pages[p] = NULL;
 			rdev->gart.pages_addr[p] = 0;
-			for (j = 0; j < (PAGE_SIZE / 4096); j++, t++) {
+			for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
 				radeon_gart_set_page(rdev, t, 0);
 			}
 		}
@@ -169,8 +169,8 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
 		DRM_ERROR("trying to bind memory to unitialized GART !\n");
 		return -EINVAL;
 	}
-	t = offset / 4096;
-	p = t / (PAGE_SIZE / 4096);
+	t = offset / RADEON_GPU_PAGE_SIZE;
+	p = t / (PAGE_SIZE / RADEON_GPU_PAGE_SIZE);
 
 	for (i = 0; i < pages; i++, p++) {
 		/* we need to support large memory configurations */
@@ -185,9 +185,9 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
 		}
 		rdev->gart.pages[p] = pagelist[i];
 		page_base = rdev->gart.pages_addr[p];
-		for (j = 0; j < (PAGE_SIZE / 4096); j++, t++) {
+		for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
 			radeon_gart_set_page(rdev, t, page_base);
-			page_base += 4096;
+			page_base += RADEON_GPU_PAGE_SIZE;
 		}
 	}
 	mb();
@@ -200,14 +200,14 @@ int radeon_gart_init(struct radeon_device *rdev)
 	if (rdev->gart.pages) {
 		return 0;
 	}
-	/* We need PAGE_SIZE >= 4096 */
-	if (PAGE_SIZE < 4096) {
+	/* We need PAGE_SIZE >= RADEON_GPU_PAGE_SIZE */
+	if (PAGE_SIZE < RADEON_GPU_PAGE_SIZE) {
 		DRM_ERROR("Page size is smaller than GPU page size!\n");
 		return -EINVAL;
 	}
 	/* Compute table size */
 	rdev->gart.num_cpu_pages = rdev->mc.gtt_size / PAGE_SIZE;
-	rdev->gart.num_gpu_pages = rdev->mc.gtt_size / 4096;
+	rdev->gart.num_gpu_pages = rdev->mc.gtt_size / RADEON_GPU_PAGE_SIZE;
 	DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n",
 		 rdev->gart.num_cpu_pages, rdev->gart.num_gpu_pages);
 	/* Allocate pages table */

drivers/gpu/drm/radeon/radeon_test.c

@@ -42,7 +42,7 @@ void radeon_test_moves(struct radeon_device *rdev)
 	/* Number of tests =
 	 * (Total GTT - IB pool - writeback page - ring buffer) / test size
 	 */
-	n = (rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - 4096 -
+	n = (rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - RADEON_GPU_PAGE_SIZE -
 	     rdev->cp.ring_size) / size;
 
 	gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL);
@@ -102,7 +102,7 @@ void radeon_test_moves(struct radeon_device *rdev)
 			goto out_cleanup;
 		}
 
-		r = radeon_copy(rdev, gtt_addr, vram_addr, size / 4096, fence);
+		r = radeon_copy(rdev, gtt_addr, vram_addr, size / RADEON_GPU_PAGE_SIZE, fence);
 		if (r) {
 			DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
 			goto out_cleanup;
@@ -145,7 +145,7 @@ void radeon_test_moves(struct radeon_device *rdev)
 			goto out_cleanup;
 		}
 
-		r = radeon_copy(rdev, vram_addr, gtt_addr, size / 4096, fence);
+		r = radeon_copy(rdev, vram_addr, gtt_addr, size / RADEON_GPU_PAGE_SIZE, fence);
 		if (r) {
 			DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
 			goto out_cleanup;