diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4187-drm-amdgpu-sdma4-add-emit_reg_write_reg_wait-ring-ca.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4187-drm-amdgpu-sdma4-add-emit_reg_write_reg_wait-ring-ca.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4187-drm-amdgpu-sdma4-add-emit_reg_write_reg_wait-ring-ca.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4187-drm-amdgpu-sdma4-add-emit_reg_write_reg_wait-ring-ca.patch new file mode 100644 index 00000000..7220a21f --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4187-drm-amdgpu-sdma4-add-emit_reg_write_reg_wait-ring-ca.patch @@ -0,0 +1,38 @@ +From 602ffa309bb1f8f3f84be3539807d8d879586ce2 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Tue, 27 Mar 2018 16:51:41 -0500 +Subject: [PATCH 4187/5725] drm/amdgpu/sdma4: add emit_reg_write_reg_wait ring + callback (v2) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This adds support for writing and reading back in a single +oneshot packet. This is needed to send a tlb invalidation +and wait for ack in a single operation. + +v2: squash sdma hang fix into this patch + +Reviewed-by: Huang Rui <ray.huang@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Emily Deng <Emily.Deng@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +index 320daec..f2a3800 100644 +--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +@@ -1616,6 +1616,7 @@ static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = { + .pad_ib = sdma_v4_0_ring_pad_ib, + .emit_wreg = sdma_v4_0_ring_emit_wreg, + .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait, ++ .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, + }; + + static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev) +-- +2.7.4 + |