diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3196-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v4.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3196-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v4.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3196-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v4.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3196-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v4.patch new file mode 100644 index 00000000..dd1a1d60 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3196-drm-amdgpu-wire-up-emit_wreg-for-SDMA-v4.patch @@ -0,0 +1,47 @@ +From d0f13320fa21d78e2c2785c0215eb2815a82c7ff Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Fri, 12 Jan 2018 16:34:03 +0100 +Subject: [PATCH 3196/4131] drm/amdgpu: wire up emit_wreg for SDMA v4 +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_v4_0.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +index c54905d..5cd8ec4 100644 +--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +@@ -1172,6 +1172,15 @@ static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring, + SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); + } + ++static void sdma_v4_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_v4_0_early_init(void *handle) + { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; +@@ -1608,6 +1617,7 @@ static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = { + .test_ib = sdma_v4_0_ring_test_ib, + .insert_nop = sdma_v4_0_ring_insert_nop, + .pad_ib = sdma_v4_0_ring_pad_ib, ++ .emit_wreg = sdma_v4_0_ring_emit_wreg, + }; + + static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev) +-- +2.7.4 + |