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[AMD Official Use Only - Internal Distribution Only]
Shouldn't we so something similar for sdma 5.0 as well?
Alex
From: Su, Jinzhou (Joe) <Jinzhou.Su@xxxxxxx>
Sent: Tuesday, April 13, 2021 2:23 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Huang, Ray <Ray.Huang@xxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx>; Su, Jinzhou (Joe) <Jinzhou.Su@xxxxxxx> Subject: [PATCH] drm/amdgpu: Add graphics cache rinse packet for sdma Add emit mem sync callback for sdma_v5_2
Signed-off-by: Jinzhou Su <Jinzhou.Su@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 28 ++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c index 93f826a7d3f0..b1ad9e52b234 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c @@ -369,6 +369,33 @@ static void sdma_v5_2_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr)); } +/** + * sdma_v5_2_ring_emit_mem_sync - flush the IB by graphics cache rinse + * + * @ring: amdgpu ring pointer + * @job: job to retrieve vmid from + * @ib: IB object to schedule + * + * flush the IB by graphics cache rinse. + */ +static void sdma_v5_2_ring_emit_mem_sync(struct amdgpu_ring *ring) +{ + uint32_t gcr_cntl = + SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV | + SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV | + SDMA_GCR_GLI_INV(1); + + /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ)); + amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0)); + amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) | + SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0)); + amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) | + SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16)); + amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) | + SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0)); +} + /** * sdma_v5_2_ring_emit_hdp_flush - emit an hdp flush on the DMA ring * @@ -1663,6 +1690,7 @@ static const struct amdgpu_ring_funcs sdma_v5_2_ring_funcs = { 10 + 10 + 10, /* sdma_v5_2_ring_emit_fence x3 for user fence, vm fence */ .emit_ib_size = 7 + 6, /* sdma_v5_2_ring_emit_ib */ .emit_ib = sdma_v5_2_ring_emit_ib, + .emit_mem_sync = sdma_v5_2_ring_emit_mem_sync, .emit_fence = sdma_v5_2_ring_emit_fence, .emit_pipeline_sync = sdma_v5_2_ring_emit_pipeline_sync, .emit_vm_flush = sdma_v5_2_ring_emit_vm_flush, -- 2.27.0 |
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