From 3c5ea9209efdb3eb3532c432293d08cba0f7ecba Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 12 Jan 2018 16:58:18 +0100 Subject: [PATCH 3202/4131] drm/amdgpu: implement gmc_v6_0_emit_flush_gpu_tlb MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Unify tlb flushing for gmc v6. Signed-off-by: Christian König Acked-by: Chunming Zhou --- drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 25 ++++--------------------- drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 20 ++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/si.h | 2 ++ drivers/gpu/drm/amd/amdgpu/si_dma.c | 15 +++------------ 4 files changed, 29 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c index ebe4263..e6c3a24 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c @@ -38,6 +38,7 @@ #include "dce/dce_6_0_sh_mask.h" #include "gca/gfx_7_2_enum.h" #include "si_enums.h" +#include "si.h" static void gfx_v6_0_set_ring_funcs(struct amdgpu_device *adev); static void gfx_v6_0_set_irq_funcs(struct amdgpu_device *adev); @@ -2359,25 +2360,7 @@ static void gfx_v6_0_ring_emit_vm_flush(struct amdgpu_ring *ring, { int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX); - /* write new base address */ - amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); - amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) | - WRITE_DATA_DST_SEL(0))); - if (vmid < 8) { - amdgpu_ring_write(ring, (mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid )); - } else { - amdgpu_ring_write(ring, (mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (vmid - 8))); - } - amdgpu_ring_write(ring, 0); - amdgpu_ring_write(ring, pd_addr >> 12); - - /* bits 0-15 are the VM contexts0-15 */ - amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); - amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) | - WRITE_DATA_DST_SEL(0))); - amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST); - amdgpu_ring_write(ring, 0); - amdgpu_ring_write(ring, 1 << vmid); + amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr); /* wait for the invalidate to complete */ amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5)); @@ -3528,7 +3511,7 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_gfx = { 5 + /* gfx_v6_0_ring_emit_hdp_invalidate */ 14 + 14 + 14 + /* gfx_v6_0_ring_emit_fence x3 for user fence, vm fence */ 7 + 4 + /* gfx_v6_0_ring_emit_pipeline_sync */ - 17 + 6 + /* gfx_v6_0_ring_emit_vm_flush */ + SI_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + 6 + /* gfx_v6_0_ring_emit_vm_flush */ 3 + 2, /* gfx_v6_ring_emit_cntxcntl including vgt flush */ .emit_ib_size = 6, /* gfx_v6_0_ring_emit_ib */ .emit_ib = gfx_v6_0_ring_emit_ib, @@ -3555,7 +3538,7 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = { 5 + /* gfx_v6_0_ring_emit_hdp_flush */ 5 + /* gfx_v6_0_ring_emit_hdp_invalidate */ 7 + /* gfx_v6_0_ring_emit_pipeline_sync */ - 17 + /* gfx_v6_0_ring_emit_vm_flush */ + SI_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + /* gfx_v6_0_ring_emit_vm_flush */ 14 + 14 + 14, /* gfx_v6_0_ring_emit_fence x3 for user fence, vm fence */ .emit_ib_size = 6, /* gfx_v6_0_ring_emit_ib */ .emit_ib = gfx_v6_0_ring_emit_ib, diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 32fd4e2..185c273 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -363,6 +363,25 @@ static void gmc_v6_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid) WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); } +static uint64_t gmc_v6_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, + unsigned vmid, unsigned pasid, + uint64_t pd_addr) +{ + uint32_t reg; + + /* write new base address */ + if (vmid < 8) + reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid; + else + reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (vmid - 8); + amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12); + + /* bits 0-15 are the VM contexts0-15 */ + amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid); + + return pd_addr; +} + static int gmc_v6_0_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr, uint32_t gpu_page_idx, uint64_t addr, uint64_t flags) @@ -1126,6 +1145,7 @@ static const struct amd_ip_funcs gmc_v6_0_ip_funcs = { static const struct amdgpu_gmc_funcs gmc_v6_0_gmc_funcs = { .flush_gpu_tlb = gmc_v6_0_flush_gpu_tlb, + .emit_flush_gpu_tlb = gmc_v6_0_emit_flush_gpu_tlb, .set_pte_pde = gmc_v6_0_set_pte_pde, .set_prt = gmc_v6_0_set_prt, .get_vm_pde = gmc_v6_0_get_vm_pde, diff --git a/drivers/gpu/drm/amd/amdgpu/si.h b/drivers/gpu/drm/amd/amdgpu/si.h index 5892250..06ed721 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.h +++ b/drivers/gpu/drm/amd/amdgpu/si.h @@ -24,6 +24,8 @@ #ifndef __SI_H__ #define __SI_H__ +#define SI_FLUSH_GPU_TLB_NUM_WREG 2 + void si_srbm_select(struct amdgpu_device *adev, u32 me, u32 pipe, u32 queue, u32 vmid); int si_set_ip_blocks(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/si_dma.c b/drivers/gpu/drm/amd/amdgpu/si_dma.c index c70e1d3..8f9509f 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_dma.c +++ b/drivers/gpu/drm/amd/amdgpu/si_dma.c @@ -24,6 +24,7 @@ #include #include "amdgpu.h" #include "amdgpu_trace.h" +#include "si.h" #include "sid.h" const u32 sdma_offsets[SDMA_MAX_INSTANCE] = @@ -476,17 +477,7 @@ static void si_dma_ring_emit_vm_flush(struct amdgpu_ring *ring, unsigned vmid, unsigned pasid, uint64_t pd_addr) { - amdgpu_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0)); - if (vmid < 8) - amdgpu_ring_write(ring, (0xf << 16) | (VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid)); - else - amdgpu_ring_write(ring, (0xf << 16) | (VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (vmid - 8))); - amdgpu_ring_write(ring, pd_addr >> 12); - - /* bits 0-7 are the VM contexts0-7 */ - amdgpu_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0)); - amdgpu_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST)); - amdgpu_ring_write(ring, 1 << vmid); + amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr); /* wait for invalidate to complete */ amdgpu_ring_write(ring, DMA_PACKET(DMA_PACKET_POLL_REG_MEM, 0, 0, 0, 0)); @@ -784,7 +775,7 @@ static const struct amdgpu_ring_funcs si_dma_ring_funcs = { 3 + /* si_dma_ring_emit_hdp_flush */ 3 + /* si_dma_ring_emit_hdp_invalidate */ 6 + /* si_dma_ring_emit_pipeline_sync */ - 12 + /* si_dma_ring_emit_vm_flush */ + SI_FLUSH_GPU_TLB_NUM_WREG * 3 + 6 + /* si_dma_ring_emit_vm_flush */ 9 + 9 + 9, /* si_dma_ring_emit_fence x3 for user fence, vm fence */ .emit_ib_size = 7 + 3, /* si_dma_ring_emit_ib */ .emit_ib = si_dma_ring_emit_ib, -- 2.7.4