diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 77 |
1 files changed, 76 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index d84589137df9..f146806c4633 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -2114,6 +2114,8 @@ static void gfx_v7_0_ring_emit_fence_gfx(struct amdgpu_ring *ring, u64 addr, { bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; bool int_sel = flags & AMDGPU_FENCE_FLAG_INT; + bool exec = flags & AMDGPU_FENCE_FLAG_EXEC; + /* Workaround for cache flush problems. First send a dummy EOP * event down the pipe with seq one below. */ @@ -2133,7 +2135,8 @@ static void gfx_v7_0_ring_emit_fence_gfx(struct amdgpu_ring *ring, u64 addr, amdgpu_ring_write(ring, (EOP_TCL1_ACTION_EN | EOP_TC_ACTION_EN | EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) | - EVENT_INDEX(5))); + EVENT_INDEX(5) | + (exec ? EOP_EXEC : 0))); amdgpu_ring_write(ring, addr & 0xfffffffc); amdgpu_ring_write(ring, (upper_32_bits(addr) & 0xffff) | DATA_SEL(write64bit ? 2 : 1) | INT_SEL(int_sel ? 2 : 0)); @@ -4921,6 +4924,76 @@ static void gfx_v7_0_emit_mem_sync_compute(struct amdgpu_ring *ring) amdgpu_ring_write(ring, 0x0000000A); /* poll interval */ } +static void gfx_v7_0_wait_reg_mem(struct amdgpu_ring *ring, int eng_sel, + int mem_space, int opt, uint32_t addr0, + uint32_t addr1, uint32_t ref, uint32_t mask, + uint32_t inv) +{ + amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5)); + amdgpu_ring_write(ring, + /* memory (1) or register (0) */ + (WAIT_REG_MEM_MEM_SPACE(mem_space) | + WAIT_REG_MEM_OPERATION(opt) | /* wait */ + WAIT_REG_MEM_FUNCTION(3) | /* equal */ + WAIT_REG_MEM_ENGINE(eng_sel))); + + if (mem_space) + BUG_ON(addr0 & 0x3); /* Dword align */ + amdgpu_ring_write(ring, addr0); + amdgpu_ring_write(ring, addr1); + amdgpu_ring_write(ring, ref); + amdgpu_ring_write(ring, mask); + amdgpu_ring_write(ring, inv); /* poll interval */ +} + +static void gfx_v7_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, + uint32_t val, uint32_t mask) +{ + gfx_v7_0_wait_reg_mem(ring, 0, 0, 0, reg, 0, val, mask, 0x20); +} + +static int gfx_v7_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid) +{ + struct amdgpu_device *adev = ring->adev; + struct amdgpu_kiq *kiq = &adev->gfx.kiq[0]; + struct amdgpu_ring *kiq_ring = &kiq->ring; + unsigned long flags; + u32 tmp; + int r; + + if (amdgpu_sriov_vf(adev)) + return -EINVAL; + + if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues) + return -EINVAL; + + spin_lock_irqsave(&kiq->ring_lock, flags); + + if (amdgpu_ring_alloc(kiq_ring, 5)) { + spin_unlock_irqrestore(&kiq->ring_lock, flags); + return -ENOMEM; + } + + tmp = REG_SET_FIELD(0, CP_VMID_RESET, RESET_REQUEST, 1 << vmid); + gfx_v7_0_ring_emit_wreg(kiq_ring, mmCP_VMID_RESET, tmp); + amdgpu_ring_commit(kiq_ring); + + spin_unlock_irqrestore(&kiq->ring_lock, flags); + + r = amdgpu_ring_test_ring(kiq_ring); + if (r) + return r; + + if (amdgpu_ring_alloc(ring, 7 + 12 + 5)) + return -ENOMEM; + gfx_v7_0_ring_emit_fence_gfx(ring, ring->fence_drv.gpu_addr, + ring->fence_drv.sync_seq, AMDGPU_FENCE_FLAG_EXEC); + gfx_v7_0_ring_emit_reg_wait(ring, mmCP_VMID_RESET, 0, 0xffff); + gfx_v7_0_ring_emit_wreg(ring, mmCP_VMID_RESET, 0); + + return amdgpu_ring_test_ring(ring); +} + static const struct amd_ip_funcs gfx_v7_0_ip_funcs = { .name = "gfx_v7_0", .early_init = gfx_v7_0_early_init, @@ -4972,6 +5045,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = { .emit_wreg = gfx_v7_0_ring_emit_wreg, .soft_recovery = gfx_v7_0_ring_soft_recovery, .emit_mem_sync = gfx_v7_0_emit_mem_sync, + .reset = gfx_v7_0_reset_kgq, }; static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { @@ -5002,6 +5076,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { .insert_nop = amdgpu_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, .emit_wreg = gfx_v7_0_ring_emit_wreg, + .soft_recovery = gfx_v7_0_ring_soft_recovery, .emit_mem_sync = gfx_v7_0_emit_mem_sync_compute, }; |