diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0349-drm-amdgpu-add-hdp-invalidation-for-sdma-v2_4.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0349-drm-amdgpu-add-hdp-invalidation-for-sdma-v2_4.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0349-drm-amdgpu-add-hdp-invalidation-for-sdma-v2_4.patch b/common/recipes-kernel/linux/files/0349-drm-amdgpu-add-hdp-invalidation-for-sdma-v2_4.patch new file mode 100644 index 00000000..8427d919 --- /dev/null +++ b/common/recipes-kernel/linux/files/0349-drm-amdgpu-add-hdp-invalidation-for-sdma-v2_4.patch @@ -0,0 +1,45 @@ +From 25230fa2b61a6c19e48ab80ab525783c1e4e8914 Mon Sep 17 00:00:00 2001 +From: Chunming Zhou <David1.Zhou@amd.com> +Date: Thu, 3 Mar 2016 12:06:34 +0800 +Subject: [PATCH 0349/1110] drm/amdgpu: add hdp invalidation for sdma v2_4 +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_v2_4.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +index 60c2721..602a467 100644 +--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c ++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +@@ -300,6 +300,13 @@ static void sdma_v2_4_ring_emit_hdp_flush(struct amdgpu_ring *ring) + SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ + } + ++static void sdma_v2_4_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_v2_4_ring_emit_fence - emit a fence on the DMA ring + * +@@ -1291,6 +1298,7 @@ static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { + .emit_fence = sdma_v2_4_ring_emit_fence, + .emit_vm_flush = sdma_v2_4_ring_emit_vm_flush, + .emit_hdp_flush = sdma_v2_4_ring_emit_hdp_flush, ++ .emit_hdp_invalidate = sdma_v2_4_ring_emit_hdp_invalidate, + .test_ring = sdma_v2_4_ring_test_ring, + .test_ib = sdma_v2_4_ring_test_ib, + .insert_nop = sdma_v2_4_ring_insert_nop, +-- +2.7.4 + |