From: Christian König Date: Fri, 12 Jan 2018 15:33:34 +0000 (+0100) Subject: drm/amdgpu: wire up emit_wreg for SDMA v2.4 X-Git-Tag: v4.19~1144^2~30^2~242 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a355d0f5e643d5c1c8b1ff9a742fc7f8b844f4f5;p=platform%2Fkernel%2Flinux-rpi3.git drm/amdgpu: wire up emit_wreg for SDMA v2.4 Needed for vm_flush unification. Signed-off-by: Christian König Acked-by: Chunming Zhou Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index c4de1c1..0fb4b44 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -889,6 +889,15 @@ static void sdma_v2_4_ring_emit_vm_flush(struct amdgpu_ring *ring, SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ } +static void sdma_v2_4_ring_emit_wreg(struct amdgpu_ring *ring, + uint32_t reg, uint32_t val) +{ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | + SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); + amdgpu_ring_write(ring, reg); + amdgpu_ring_write(ring, val); +} + static int sdma_v2_4_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -1219,6 +1228,7 @@ static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { .test_ib = sdma_v2_4_ring_test_ib, .insert_nop = sdma_v2_4_ring_insert_nop, .pad_ib = sdma_v2_4_ring_pad_ib, + .emit_wreg = sdma_v2_4_ring_emit_wreg, }; static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev)