diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2058-drm-amdgpu-don-t-flush-the-TLB-before-initializing-G.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2058-drm-amdgpu-don-t-flush-the-TLB-before-initializing-G.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2058-drm-amdgpu-don-t-flush-the-TLB-before-initializing-G.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2058-drm-amdgpu-don-t-flush-the-TLB-before-initializing-G.patch new file mode 100644 index 00000000..63831eb6 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2058-drm-amdgpu-don-t-flush-the-TLB-before-initializing-G.patch @@ -0,0 +1,44 @@ +From 01d34bf61deb1451e438cd7f4424369d325f9ed4 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Mon, 16 Oct 2017 17:37:06 +0200 +Subject: [PATCH 2058/4131] drm/amdgpu: don't flush the TLB before initializing + GART +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +No point in doing this. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 13 +++++++------ + 1 file changed, 7 insertions(+), 6 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +index f437008..fe81850 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +@@ -332,12 +332,13 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, + adev->gart.pages[p] = pagelist[i]; + #endif + +- if (adev->gart.ptr) { +- r = amdgpu_gart_map(adev, offset, pages, dma_addr, flags, +- adev->gart.ptr); +- if (r) +- return r; +- } ++ if (!adev->gart.ptr) ++ return 0; ++ ++ r = amdgpu_gart_map(adev, offset, pages, dma_addr, flags, ++ adev->gart.ptr); ++ if (r) ++ return r; + + mb(); + amdgpu_gart_flush_gpu_tlb(adev, 0); +-- +2.7.4 + |