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Diffstat (limited to 'common/recipes-kernel/linux/files/0255-drm-amdgpu-optimize-amdgpu_vm_update_ptes-a-bit.patch')
-rw-r--r--common/recipes-kernel/linux/files/0255-drm-amdgpu-optimize-amdgpu_vm_update_ptes-a-bit.patch101
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 K├Ânig <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
-