diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0350-drm-amdgpu-add-hdp-invalidation-for-sdma-v3_0.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0350-drm-amdgpu-add-hdp-invalidation-for-sdma-v3_0.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0350-drm-amdgpu-add-hdp-invalidation-for-sdma-v3_0.patch b/common/recipes-kernel/linux/files/0350-drm-amdgpu-add-hdp-invalidation-for-sdma-v3_0.patch new file mode 100644 index 00000000..836526df --- /dev/null +++ b/common/recipes-kernel/linux/files/0350-drm-amdgpu-add-hdp-invalidation-for-sdma-v3_0.patch @@ -0,0 +1,46 @@ +From 7a6f44ca57279e49c1a7f0f2ccf0e5b98ffbf5ab Mon Sep 17 00:00:00 2001 +From: Chunming Zhou <David1.Zhou@amd.com> +Date: Thu, 3 Mar 2016 12:06:45 +0800 +Subject: [PATCH 0350/1110] drm/amdgpu: add hdp invalidation for sdma v3_0 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +index d585ce2..e56020e 100644 +--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +@@ -410,6 +410,14 @@ static void sdma_v3_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) + SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ + } + ++static void sdma_v3_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) ++{ ++ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | ++ SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); ++ amdgpu_ring_write(ring, mmHDP_DEBUG0); ++ amdgpu_ring_write(ring, 1); ++} ++ + /** + * sdma_v3_0_ring_emit_fence - emit a fence on the DMA ring + * +@@ -1558,6 +1566,7 @@ static const struct amdgpu_ring_funcs sdma_v3_0_ring_funcs = { + .emit_fence = sdma_v3_0_ring_emit_fence, + .emit_vm_flush = sdma_v3_0_ring_emit_vm_flush, + .emit_hdp_flush = sdma_v3_0_ring_emit_hdp_flush, ++ .emit_hdp_invalidate = sdma_v3_0_ring_emit_hdp_invalidate, + .test_ring = sdma_v3_0_ring_test_ring, + .test_ib = sdma_v3_0_ring_test_ib, + .insert_nop = sdma_v3_0_ring_insert_nop, +-- +2.7.4 + |