diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0346-drm-amdgpu-add-hdp-invalidation-for-gfx7.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0346-drm-amdgpu-add-hdp-invalidation-for-gfx7.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0346-drm-amdgpu-add-hdp-invalidation-for-gfx7.patch b/common/recipes-kernel/linux/files/0346-drm-amdgpu-add-hdp-invalidation-for-gfx7.patch new file mode 100644 index 00000000..8db64cfe --- /dev/null +++ b/common/recipes-kernel/linux/files/0346-drm-amdgpu-add-hdp-invalidation-for-gfx7.patch @@ -0,0 +1,65 @@ +From 679ad153d12255e8029b3f4bc3bfb2ecd6279dd7 Mon Sep 17 00:00:00 2001 +From: Chunming Zhou <David1.Zhou@amd.com> +Date: Thu, 3 Mar 2016 11:46:40 +0800 +Subject: [PATCH 0346/1110] drm/amdgpu: add hdp invalidation for gfx7 +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_v7_0.c | 21 +++++++++++++++++++++ + 1 file changed, 21 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +index 361ce1b..e1140a4 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +@@ -1925,6 +1925,25 @@ static void gfx_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) + } + + /** ++ * gfx_v7_0_ring_emit_hdp_invalidate - emit an hdp invalidate on the cp ++ * ++ * @adev: amdgpu_device pointer ++ * @ridx: amdgpu ring index ++ * ++ * Emits an hdp invalidate on the cp. ++ */ ++static void gfx_v7_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); ++} ++ ++/** + * gfx_v7_0_ring_emit_fence_gfx - emit a fence on the gfx ring + * + * @adev: amdgpu_device pointer +@@ -5145,6 +5164,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = { + .emit_vm_flush = gfx_v7_0_ring_emit_vm_flush, + .emit_gds_switch = gfx_v7_0_ring_emit_gds_switch, + .emit_hdp_flush = gfx_v7_0_ring_emit_hdp_flush, ++ .emit_hdp_invalidate = gfx_v7_0_ring_emit_hdp_invalidate, + .test_ring = gfx_v7_0_ring_test_ring, + .test_ib = gfx_v7_0_ring_test_ib, + .insert_nop = amdgpu_ring_insert_nop, +@@ -5161,6 +5181,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { + .emit_vm_flush = gfx_v7_0_ring_emit_vm_flush, + .emit_gds_switch = gfx_v7_0_ring_emit_gds_switch, + .emit_hdp_flush = gfx_v7_0_ring_emit_hdp_flush, ++ .emit_hdp_invalidate = gfx_v7_0_ring_emit_hdp_invalidate, + .test_ring = gfx_v7_0_ring_test_ring, + .test_ib = gfx_v7_0_ring_test_ib, + .insert_nop = amdgpu_ring_insert_nop, +-- +2.7.4 + |