diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3195-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v3.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3195-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v3.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3195-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v3.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3195-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v3.patch new file mode 100644 index 00000000..8406a1f0 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3195-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v3.patch @@ -0,0 +1,47 @@ +From 0bdb0eb3ae8f4ee2ec0bd7f5c6b2a905efbf489e Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Fri, 12 Jan 2018 16:33:49 +0100 +Subject: [PATCH 3195/4131] drm/amdgpu: wire up emit_wreg for SDMA v3 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Needed for vm_flush unification. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Acked-by: Chunming Zhou <david1.zhou@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +index 44a77fb..78aca26 100644 +--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +@@ -1155,6 +1155,15 @@ static void sdma_v3_0_ring_emit_vm_flush(struct amdgpu_ring *ring, + SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ + } + ++static void sdma_v3_0_ring_emit_wreg(struct amdgpu_ring *ring, ++ uint32_t reg, uint32_t val) ++{ ++ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | ++ SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); ++ amdgpu_ring_write(ring, reg); ++ amdgpu_ring_write(ring, val); ++} ++ + static int sdma_v3_0_early_init(void *handle) + { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; +@@ -1653,6 +1662,7 @@ static const struct amdgpu_ring_funcs sdma_v3_0_ring_funcs = { + .test_ib = sdma_v3_0_ring_test_ib, + .insert_nop = sdma_v3_0_ring_insert_nop, + .pad_ib = sdma_v3_0_ring_pad_ib, ++ .emit_wreg = sdma_v3_0_ring_emit_wreg, + }; + + static void sdma_v3_0_set_ring_funcs(struct amdgpu_device *adev) +-- +2.7.4 + |