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From 2843192998268aa2a5aa13f413ce7f80d6f3f5a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 24 Jan 2018 19:58:45 +0100
Subject: [PATCH 3300/4131] drm/amdgpu: revert "Add support for filling a
 buffer with 64 bit value"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This reverts commit 7bdc53f925af085ffa0580f10489f82b36cc2f1c and commit
330df03b3abf944f8f5180f2abc61367749984c0.

Neither are needed any more.

Change-Id: I71d1214263aa7aae51524b42305dac15bd3480d1
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h     |  7 -------
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 17 +++++------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c  |  5 ++---
 drivers/gpu/drm/amd/amdgpu/cik_sdma.c   |  3 ---
 drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c  |  3 ---
 drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c  |  4 ----
 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c  |  3 ---
 drivers/gpu/drm/amd/amdgpu/si_dma.c     |  3 ---
 9 files changed, 8 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 0b54148..81e6aa2 100755
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -322,13 +322,6 @@ struct amdgpu_vm_pte_funcs {
 	void (*write_pte)(struct amdgpu_ib *ib, uint64_t pe,
 			  uint64_t value, unsigned count,
 			  uint32_t incr);
-
-	/* maximum nums of PTEs/PDEs in a single operation */
-	uint32_t	set_max_nums_pte_pde;
-
-	/* number of dw to reserve per operation */
-	unsigned	set_pte_pde_num_dw;
-
 	/* for linear pte/pde updates without addr mapping */
 	void (*set_pte_pde)(struct amdgpu_ib *ib,
 			    uint64_t pe,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index a13425a..c10c796 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1929,13 +1929,12 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
 }
 
 int amdgpu_fill_buffer(struct amdgpu_bo *bo,
-		       uint64_t src_data,
+		       uint32_t src_data,
 		       struct reservation_object *resv,
 		       struct dma_fence **fence)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
-	uint32_t max_bytes = 8 *
-			adev->vm_manager.vm_pte_funcs->set_max_nums_pte_pde;
+	uint32_t max_bytes = adev->mman.buffer_funcs->fill_max_bytes;
 	struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
 
 	struct drm_mm_node *mm_node;
@@ -1966,9 +1965,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
 		num_pages -= mm_node->size;
 		++mm_node;
 	}
-
-	/* num of dwords for each SDMA_OP_PTEPDE cmd */
-	num_dw = num_loops * adev->vm_manager.vm_pte_funcs->set_pte_pde_num_dw;
+	num_dw = num_loops * adev->mman.buffer_funcs->fill_num_dw;
 
 	/* for IB padding */
 	num_dw += 64;
@@ -1993,16 +1990,12 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
 		uint32_t byte_count = mm_node->size << PAGE_SHIFT;
 		uint64_t dst_addr;
 
-		WARN_ONCE(byte_count & 0x7, "size should be a multiple of 8");
-
 		dst_addr = amdgpu_mm_node_addr(&bo->tbo, mm_node, &bo->tbo.mem);
 		while (byte_count) {
 			uint32_t cur_size_in_bytes = min(byte_count, max_bytes);
 
-			amdgpu_vm_set_pte_pde(adev, &job->ibs[0],
-					dst_addr, 0,
-					cur_size_in_bytes >> 3, 0,
-					src_data);
+			amdgpu_emit_fill_buffer(adev, &job->ibs[0], src_data,
+						dst_addr, cur_size_in_bytes);
 
 			dst_addr += cur_size_in_bytes;
 			byte_count -= cur_size_in_bytes;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 7cb2f17..92aba8b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -91,7 +91,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
 			       struct reservation_object *resv,
 			       struct dma_fence **f);
 int amdgpu_fill_buffer(struct amdgpu_bo *bo,
-			uint64_t src_data,
+			uint32_t src_data,
 			struct reservation_object *resv,
 			struct dma_fence **fence);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index db267cd..a7946b2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1247,11 +1247,10 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
 
 	} else {
 		/* set page commands needed */
-		ndw += ncmds * adev->vm_manager.vm_pte_funcs->set_pte_pde_num_dw;
+		ndw += ncmds * 10;
 
 		/* extra commands for begin/end fragments */
-		ndw += 2 * adev->vm_manager.vm_pte_funcs->set_pte_pde_num_dw
-				* adev->vm_manager.fragment_size;
+		ndw += 2 * 10 * adev->vm_manager.fragment_size;
 
 		params.func = amdgpu_vm_do_set_ptes;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index b1644ea..d6a6871 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -1382,9 +1382,6 @@ static const struct amdgpu_vm_pte_funcs cik_sdma_vm_pte_funcs = {
 	.copy_pte = cik_sdma_vm_copy_pte,
 
 	.write_pte = cik_sdma_vm_write_pte,
-
-	.set_max_nums_pte_pde = 0x1fffff >> 3,
-	.set_pte_pde_num_dw = 10,
 	.set_pte_pde = cik_sdma_vm_set_pte_pde,
 };
 
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index 6316d0f..4a05c85 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -1306,9 +1306,6 @@ static const struct amdgpu_vm_pte_funcs sdma_v2_4_vm_pte_funcs = {
 	.copy_pte = sdma_v2_4_vm_copy_pte,
 
 	.write_pte = sdma_v2_4_vm_write_pte,
-
-	.set_max_nums_pte_pde = 0x1fffff >> 3,
-	.set_pte_pde_num_dw = 10,
 	.set_pte_pde = sdma_v2_4_vm_set_pte_pde,
 };
 
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index e337c10..586c55b 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -1739,10 +1739,6 @@ static const struct amdgpu_vm_pte_funcs sdma_v3_0_vm_pte_funcs = {
 	.copy_pte = sdma_v3_0_vm_copy_pte,
 
 	.write_pte = sdma_v3_0_vm_write_pte,
-
-	/* not 0x3fffff due to HW limitation */
-	.set_max_nums_pte_pde = 0x3fffe0 >> 3,
-	.set_pte_pde_num_dw = 10,
 	.set_pte_pde = sdma_v3_0_vm_set_pte_pde,
 };
 
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 36fc45a..4344490 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1686,9 +1686,6 @@ static const struct amdgpu_vm_pte_funcs sdma_v4_0_vm_pte_funcs = {
 	.copy_pte = sdma_v4_0_vm_copy_pte,
 
 	.write_pte = sdma_v4_0_vm_write_pte,
-
-	.set_max_nums_pte_pde = 0x400000 >> 3,
-	.set_pte_pde_num_dw = 10,
 	.set_pte_pde = sdma_v4_0_vm_set_pte_pde,
 };
 
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dma.c b/drivers/gpu/drm/amd/amdgpu/si_dma.c
index e59521b..2db5bfb 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dma.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dma.c
@@ -875,9 +875,6 @@ static const struct amdgpu_vm_pte_funcs si_dma_vm_pte_funcs = {
 	.copy_pte = si_dma_vm_copy_pte,
 
 	.write_pte = si_dma_vm_write_pte,
-
-	.set_max_nums_pte_pde = 0xffff8 >> 3,
-	.set_pte_pde_num_dw = 9,
 	.set_pte_pde = si_dma_vm_set_pte_pde,
 };
 
-- 
2.7.4