diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0347-drm-amdgpu-add-hdp-invalidation-for-gfx8.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0347-drm-amdgpu-add-hdp-invalidation-for-gfx8.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0347-drm-amdgpu-add-hdp-invalidation-for-gfx8.patch b/common/recipes-kernel/linux/files/0347-drm-amdgpu-add-hdp-invalidation-for-gfx8.patch new file mode 100644 index 00000000..f8c6b50b --- /dev/null +++ b/common/recipes-kernel/linux/files/0347-drm-amdgpu-add-hdp-invalidation-for-gfx8.patch @@ -0,0 +1,58 @@ +From de3ad4ceac667e19bcba2a1f3632bac8fabba2d8 Mon Sep 17 00:00:00 2001 +From: Chunming Zhou <David1.Zhou@amd.com> +Date: Thu, 3 Mar 2016 11:55:13 +0800 +Subject: [PATCH 0347/1110] drm/amdgpu: add hdp invalidation for gfx8 +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/gfx_v8_0.c | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +index 1cda1af..fbe148d 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +@@ -4589,6 +4589,18 @@ static void gfx_v8_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) + amdgpu_ring_write(ring, 0x20); /* poll interval */ + } + ++static void gfx_v8_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) ++{ ++ amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); ++ amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | ++ WRITE_DATA_DST_SEL(0) | ++ WR_CONFIRM)); ++ amdgpu_ring_write(ring, mmHDP_DEBUG0); ++ amdgpu_ring_write(ring, 0); ++ amdgpu_ring_write(ring, 1); ++ ++} ++ + static void gfx_v8_0_ring_emit_ib_gfx(struct amdgpu_ring *ring, + struct amdgpu_ib *ib) + { +@@ -5031,6 +5043,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = { + .emit_vm_flush = gfx_v8_0_ring_emit_vm_flush, + .emit_gds_switch = gfx_v8_0_ring_emit_gds_switch, + .emit_hdp_flush = gfx_v8_0_ring_emit_hdp_flush, ++ .emit_hdp_invalidate = gfx_v8_0_ring_emit_hdp_invalidate, + .test_ring = gfx_v8_0_ring_test_ring, + .test_ib = gfx_v8_0_ring_test_ib, + .insert_nop = amdgpu_ring_insert_nop, +@@ -5047,6 +5060,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = { + .emit_vm_flush = gfx_v8_0_ring_emit_vm_flush, + .emit_gds_switch = gfx_v8_0_ring_emit_gds_switch, + .emit_hdp_flush = gfx_v8_0_ring_emit_hdp_flush, ++ .emit_hdp_invalidate = gfx_v8_0_ring_emit_hdp_invalidate, + .test_ring = gfx_v8_0_ring_test_ring, + .test_ib = gfx_v8_0_ring_test_ib, + .insert_nop = amdgpu_ring_insert_nop, +-- +2.7.4 + |