From 6e762cb57ea726f33274efc82926148bf4b692b2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= 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 Acked-by: Chunming Zhou --- 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