diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1771-drm-amdgpu-Invalidate-caches-with-KFD-TLB-invalidati.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1771-drm-amdgpu-Invalidate-caches-with-KFD-TLB-invalidati.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1771-drm-amdgpu-Invalidate-caches-with-KFD-TLB-invalidati.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1771-drm-amdgpu-Invalidate-caches-with-KFD-TLB-invalidati.patch new file mode 100644 index 00000000..b14ae904 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1771-drm-amdgpu-Invalidate-caches-with-KFD-TLB-invalidati.patch @@ -0,0 +1,33 @@ +From 2a67b09866d6a985734211ba94ecfd9d170e7b9d Mon Sep 17 00:00:00 2001 +From: Jay Cornwall <Jay.Cornwall@amd.com> +Date: Tue, 22 Aug 2017 15:15:27 -0500 +Subject: [PATCH 1771/4131] drm/amdgpu: Invalidate caches with KFD TLB + invalidation + +Physically tagged caches must be written back and invalidated before +TLB invalidation is acknowledged to the driver. Modify the +KFD's INVALIDATE_TLBS submission to request the hardware to do this. + +Change-Id: I6f54d038ef49900462bd9ed54ef70e74560dec5f +Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c +index 8af8d6c..25c3454 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c +@@ -978,7 +978,8 @@ static int invalidate_tlbs_with_kiq(struct amdgpu_device *adev, uint16_t pasid) + amdgpu_ring_write(ring, + PACKET3_INVALIDATE_TLBS_DST_SEL(1) | + PACKET3_INVALIDATE_TLBS_ALL_HUB(1) | +- PACKET3_INVALIDATE_TLBS_PASID(pasid)); ++ PACKET3_INVALIDATE_TLBS_PASID(pasid) | ++ PACKET3_INVALIDATE_TLBS_FLUSH_TYPE(2)); + amdgpu_fence_emit(ring, &f); + amdgpu_ring_commit(ring); + mutex_unlock(&adev->gfx.kiq.ring_mutex); +-- +2.7.4 + |