1 files changed, 0 insertions, 101 deletions
diff --git a/common/recipes-kernel/linux/files/0255-drm-amdgpu-optimize-amdgpu_vm_update_ptes-a-bit.patch b/common/recipes-kernel/linux/files/0255-drm-amdgpu-optimize-amdgpu_vm_update_ptes-a-bit.patch
deleted file mode 100644
index c674a1e2..00000000
--- a/common/recipes-kernel/linux/files/0255-drm-amdgpu-optimize-amdgpu_vm_update_ptes-a-bit.patch
+++ /dev/null
@@ -1,101 +0,0 @@
-From 804871103c28d763b94a3488262169696452c0c6 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
-Date: Tue, 26 Jan 2016 12:37:49 +0100
-Subject: [PATCH 0255/1110] drm/amdgpu: optimize amdgpu_vm_update_ptes a bit
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Don't calculate the end address multiple times.
-
-Signed-off-by: Christian König <christian.koenig@amd.com>
-Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
-Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-Signed-off-by: Kalyan Alle <kalyan.alle@amd.com>
----
- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 39 ++++++++++++++++++----------------
- 1 file changed, 21 insertions(+), 18 deletions(-)
-
-diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
-index 21d918a..83bc8b1 100644
---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
-+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
-@@ -577,6 +577,10 @@ static void amdgpu_vm_frag_ptes(struct amdgpu_device *adev,
- 
- 	unsigned count;
- 
-+        /* Abort early if there isn't anything to do */
-+        if (pe_start == pe_end)
-+                return;
-+
- 	/* system pages are non continuously */
- 	if (gtt || !(flags & AMDGPU_PTE_VALID) || (frag_start >= frag_end)) {
- 
-@@ -634,6 +638,9 @@ static void amdgpu_vm_update_ptes(struct amdgpu_device *adev,
- 	uint64_t mask = AMDGPU_VM_PTE_COUNT - 1;
- 	uint64_t last_pte = ~0, last_dst = ~0;
- 	unsigned count = 0;
-+        const uint64_t mask = AMDGPU_VM_PTE_COUNT - 1;
-+ 
-+        uint64_t last_pe_start = ~0, last_pe_end = ~0, last_dst = ~0;
- 	uint64_t addr;
- 
- 	/* walk over the address space and update the page tables */
-@@ -641,40 +648,36 @@ static void amdgpu_vm_update_ptes(struct amdgpu_device *adev,
- 		uint64_t pt_idx = addr >> amdgpu_vm_block_size;
-                 struct amdgpu_bo *pt = vm->page_tables[pt_idx].entry.robj;
- 		unsigned nptes;
--		uint64_t pte;
-+                uint64_t pe_start;
- 
- 		if ((addr & ~mask) == (end & ~mask))
- 			nptes = end - addr;
- 		else
- 			nptes = AMDGPU_VM_PTE_COUNT - (addr & mask);
- 
--		pte = amdgpu_bo_gpu_offset(pt);
--		pte += (addr & mask) * 8;
-+                pe_start = amdgpu_bo_gpu_offset(pt);
-+                pe_start += (addr & mask) * 8;
- 
--		if ((last_pte + 8 * count) != pte) {
-+                if (last_pe_end != pe_start) {
- 
--			if (count) {
--				amdgpu_vm_frag_ptes(adev, gtt, gtt_flags, ib,
--						    last_pte, last_pte + 8 * count,
--						    last_dst, flags);
--			}
--
--			count = nptes;
--			last_pte = pte;
-+                        amdgpu_vm_frag_ptes(adev, gtt, gtt_flags, ib,
-+                                            last_pe_start, last_pe_end,
-+                                            last_dst, flags);
-+ 
-+                        last_pe_start = pe_start;
-+                        last_pe_end = pe_start + 8 * nptes;
- 			last_dst = dst;
- 		} else {
--			count += nptes;
-+                        last_pe_end += 8 * nptes;
- 		}
- 
- 		addr += nptes;
- 		dst += nptes * AMDGPU_GPU_PAGE_SIZE;
- 	}
- 
--	if (count) {
--		amdgpu_vm_frag_ptes(adev, gtt, gtt_flags, ib,
--				    last_pte, last_pte + 8 * count,
--				    last_dst, flags);
--	}
-+        amdgpu_vm_frag_ptes(adev, gtt, gtt_flags, ib,
-+                            last_pe_start, last_pe_end,
-+                            last_dst, flags);
- }
- 
- /**
--- 
-2.7.4
-