diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/3188-drm-amdgpu-wire-up-emit_wreg-for-gfx-v6.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/3188-drm-amdgpu-wire-up-emit_wreg-for-gfx-v6.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/3188-drm-amdgpu-wire-up-emit_wreg-for-gfx-v6.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/3188-drm-amdgpu-wire-up-emit_wreg-for-gfx-v6.patch new file mode 100644 index 00000000..54e9142f --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/3188-drm-amdgpu-wire-up-emit_wreg-for-gfx-v6.patch @@ -0,0 +1,60 @@ +From 6e762cb57ea726f33274efc82926148bf4b692b2 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Fri, 12 Jan 2018 16:30:19 +0100 +Subject: [PATCH 3188/4131] drm/amdgpu: wire up emit_wreg for gfx v6 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Needed for vm_flush unification. + +v2: handle compute rings as well. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Acked-by: Chunming Zhou <david1.zhou@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +index 39acafb..ebe4263 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +@@ -2402,6 +2402,18 @@ static void gfx_v6_0_ring_emit_vm_flush(struct amdgpu_ring *ring, + } + } + ++static void gfx_v6_0_ring_emit_wreg(struct amdgpu_ring *ring, ++ uint32_t reg, uint32_t val) ++{ ++ int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX); ++ ++ amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); ++ amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) | ++ WRITE_DATA_DST_SEL(0))); ++ amdgpu_ring_write(ring, reg); ++ amdgpu_ring_write(ring, 0); ++ amdgpu_ring_write(ring, val); ++} + + static void gfx_v6_0_rlc_fini(struct amdgpu_device *adev) + { +@@ -3529,6 +3541,7 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_gfx = { + .test_ib = gfx_v6_0_ring_test_ib, + .insert_nop = amdgpu_ring_insert_nop, + .emit_cntxcntl = gfx_v6_ring_emit_cntxcntl, ++ .emit_wreg = gfx_v6_0_ring_emit_wreg, + }; + + static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = { +@@ -3554,6 +3567,7 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = { + .test_ring = gfx_v6_0_ring_test_ring, + .test_ib = gfx_v6_0_ring_test_ib, + .insert_nop = amdgpu_ring_insert_nop, ++ .emit_wreg = gfx_v6_0_ring_emit_wreg, + }; + + static void gfx_v6_0_set_ring_funcs(struct amdgpu_device *adev) +-- +2.7.4 + |