diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 283 |
1 files changed, 256 insertions, 27 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index c4d9eb623ce5..f6e7815e1860 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -1660,6 +1660,8 @@ static void si_gpu_init(struct radeon_device *rdev) WREG32(GB_ADDR_CONFIG, gb_addr_config); WREG32(DMIF_ADDR_CONFIG, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); + WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config); + WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config); si_tiling_mode_table_init(rdev); @@ -1836,6 +1838,9 @@ static void si_cp_enable(struct radeon_device *rdev, bool enable) radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT)); WREG32(SCRATCH_UMSK, 0); + rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; + rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; + rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; } udelay(50); } @@ -2820,30 +2825,86 @@ void si_vm_set_page(struct radeon_device *rdev, uint64_t pe, { struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index]; uint32_t r600_flags = cayman_vm_page_flags(rdev, flags); - - while (count) { - unsigned ndw = 2 + count * 2; - if (ndw > 0x3FFE) - ndw = 0x3FFE; - - radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, ndw)); - radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | - WRITE_DATA_DST_SEL(1))); - radeon_ring_write(ring, pe); - radeon_ring_write(ring, upper_32_bits(pe)); - for (; ndw > 2; ndw -= 2, --count, pe += 8) { - uint64_t value; - if (flags & RADEON_VM_PAGE_SYSTEM) { - value = radeon_vm_map_gart(rdev, addr); - value &= 0xFFFFFFFFFFFFF000ULL; - } else if (flags & RADEON_VM_PAGE_VALID) - value = addr; - else - value = 0; - addr += incr; - value |= r600_flags; - radeon_ring_write(ring, value); - radeon_ring_write(ring, upper_32_bits(value)); + uint64_t value; + unsigned ndw; + + if (rdev->asic->vm.pt_ring_index == RADEON_RING_TYPE_GFX_INDEX) { + while (count) { + ndw = 2 + count * 2; + if (ndw > 0x3FFE) + ndw = 0x3FFE; + + radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, ndw)); + radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | + WRITE_DATA_DST_SEL(1))); + radeon_ring_write(ring, pe); + radeon_ring_write(ring, upper_32_bits(pe)); + for (; ndw > 2; ndw -= 2, --count, pe += 8) { + if (flags & RADEON_VM_PAGE_SYSTEM) { + value = radeon_vm_map_gart(rdev, addr); + value &= 0xFFFFFFFFFFFFF000ULL; + } else if (flags & RADEON_VM_PAGE_VALID) { + value = addr; + } else { + value = 0; + } + addr += incr; + value |= r600_flags; + radeon_ring_write(ring, value); + radeon_ring_write(ring, upper_32_bits(value)); + } + } + } else { + /* DMA */ + if (flags & RADEON_VM_PAGE_SYSTEM) { + while (count) { + ndw = count * 2; + if (ndw > 0xFFFFE) + ndw = 0xFFFFE; + + /* for non-physically contiguous pages (system) */ + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 0, ndw)); + radeon_ring_write(ring, pe); + radeon_ring_write(ring, upper_32_bits(pe) & 0xff); + for (; ndw > 0; ndw -= 2, --count, pe += 8) { + if (flags & RADEON_VM_PAGE_SYSTEM) { + value = radeon_vm_map_gart(rdev, addr); + value &= 0xFFFFFFFFFFFFF000ULL; + } else if (flags & RADEON_VM_PAGE_VALID) { + value = addr; + } else { + value = 0; + } + addr += incr; + value |= r600_flags; + radeon_ring_write(ring, value); + radeon_ring_write(ring, upper_32_bits(value)); + } + } + } else { + while (count) { + ndw = count * 2; + if (ndw > 0xFFFFE) + ndw = 0xFFFFE; + + if (flags & RADEON_VM_PAGE_VALID) + value = addr; + else + value = 0; + /* for physically contiguous pages (vram) */ + radeon_ring_write(ring, DMA_PTE_PDE_PACKET(ndw)); + radeon_ring_write(ring, pe); /* dst addr */ + radeon_ring_write(ring, upper_32_bits(pe) & 0xff); + radeon_ring_write(ring, r600_flags); /* mask */ + radeon_ring_write(ring, 0); + radeon_ring_write(ring, value); /* value */ + radeon_ring_write(ring, upper_32_bits(value)); + radeon_ring_write(ring, incr); /* increment size */ + radeon_ring_write(ring, 0); + pe += ndw * 4; + addr += (ndw / 2) * incr; + count -= ndw / 2; + } } } } @@ -2891,6 +2952,32 @@ void si_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) radeon_ring_write(ring, 0x0); } +void si_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) +{ + struct radeon_ring *ring = &rdev->ring[ridx]; + + if (vm == NULL) + return; + + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0)); + if (vm->id < 8) { + radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2)); + } else { + radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm->id - 8) << 2)) >> 2)); + } + radeon_ring_write(ring, vm->pd_gpu_addr >> 12); + + /* flush hdp cache */ + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0)); + radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2)); + radeon_ring_write(ring, 1); + + /* bits 0-7 are the VM contexts0-7 */ + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0)); + radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2)); + radeon_ring_write(ring, 1 << vm->id); +} + /* * RLC */ @@ -3059,6 +3146,10 @@ static void si_disable_interrupt_state(struct radeon_device *rdev) WREG32(CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); WREG32(CP_INT_CNTL_RING1, 0); WREG32(CP_INT_CNTL_RING2, 0); + tmp = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE; + WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, tmp); + tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE; + WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp); WREG32(GRBM_INT_CNTL, 0); WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); @@ -3178,6 +3269,7 @@ int si_irq_set(struct radeon_device *rdev) u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6; u32 grbm_int_cntl = 0; u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0; + u32 dma_cntl, dma_cntl1; if (!rdev->irq.installed) { WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); @@ -3198,6 +3290,9 @@ int si_irq_set(struct radeon_device *rdev) hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; + dma_cntl = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE; + dma_cntl1 = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE; + /* enable CP interrupts on all rings */ if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { DRM_DEBUG("si_irq_set: sw int gfx\n"); @@ -3211,6 +3306,15 @@ int si_irq_set(struct radeon_device *rdev) DRM_DEBUG("si_irq_set: sw int cp2\n"); cp_int_cntl2 |= TIME_STAMP_INT_ENABLE; } + if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) { + DRM_DEBUG("si_irq_set: sw int dma\n"); + dma_cntl |= TRAP_ENABLE; + } + + if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) { + DRM_DEBUG("si_irq_set: sw int dma1\n"); + dma_cntl1 |= TRAP_ENABLE; + } if (rdev->irq.crtc_vblank_int[0] || atomic_read(&rdev->irq.pflip[0])) { DRM_DEBUG("si_irq_set: vblank 0\n"); @@ -3270,6 +3374,9 @@ int si_irq_set(struct radeon_device *rdev) WREG32(CP_INT_CNTL_RING1, cp_int_cntl1); WREG32(CP_INT_CNTL_RING2, cp_int_cntl2); + WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, dma_cntl); + WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, dma_cntl1); + WREG32(GRBM_INT_CNTL, grbm_int_cntl); WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1); @@ -3728,9 +3835,17 @@ restart_ih: break; } break; + case 224: /* DMA trap event */ + DRM_DEBUG("IH: DMA trap\n"); + radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX); + break; case 233: /* GUI IDLE */ DRM_DEBUG("IH: GUI idle\n"); break; + case 244: /* DMA trap event */ + DRM_DEBUG("IH: DMA1 trap\n"); + radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX); + break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); break; @@ -3754,6 +3869,80 @@ restart_ih: return IRQ_HANDLED; } +/** + * si_copy_dma - copy pages using the DMA engine + * + * @rdev: radeon_device pointer + * @src_offset: src GPU address + * @dst_offset: dst GPU address + * @num_gpu_pages: number of GPU pages to xfer + * @fence: radeon fence object + * + * Copy GPU paging using the DMA engine (SI). + * Used by the radeon ttm implementation to move pages if + * registered as the asic copy callback. + */ +int si_copy_dma(struct radeon_device *rdev, + uint64_t src_offset, uint64_t dst_offset, + unsigned num_gpu_pages, + struct radeon_fence **fence) +{ + struct radeon_semaphore *sem = NULL; + int ring_index = rdev->asic->copy.dma_ring_index; + struct radeon_ring *ring = &rdev->ring[ring_index]; + u32 size_in_bytes, cur_size_in_bytes; + int i, num_loops; + int r = 0; + + r = radeon_semaphore_create(rdev, &sem); + if (r) { + DRM_ERROR("radeon: moving bo (%d).\n", r); + return r; + } + + size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT); + num_loops = DIV_ROUND_UP(size_in_bytes, 0xfffff); + r = radeon_ring_lock(rdev, ring, num_loops * 5 + 11); + if (r) { + DRM_ERROR("radeon: moving bo (%d).\n", r); + radeon_semaphore_free(rdev, &sem, NULL); + return r; + } + + if (radeon_fence_need_sync(*fence, ring->idx)) { + radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring, + ring->idx); + radeon_fence_note_sync(*fence, ring->idx); + } else { + radeon_semaphore_free(rdev, &sem, NULL); + } + + for (i = 0; i < num_loops; i++) { + cur_size_in_bytes = size_in_bytes; + if (cur_size_in_bytes > 0xFFFFF) + cur_size_in_bytes = 0xFFFFF; + size_in_bytes -= cur_size_in_bytes; + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 1, 0, 0, cur_size_in_bytes)); + radeon_ring_write(ring, dst_offset & 0xffffffff); + radeon_ring_write(ring, src_offset & 0xffffffff); + radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff); + radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff); + src_offset += cur_size_in_bytes; + dst_offset += cur_size_in_bytes; + } + + r = radeon_fence_emit(rdev, fence, ring->idx); + if (r) { + radeon_ring_unlock_undo(rdev, ring); + return r; + } + + radeon_ring_unlock_commit(rdev, ring); + radeon_semaphore_free(rdev, &sem, *fence); + + return r; +} + /* * startup/shutdown callbacks */ @@ -3825,6 +4014,18 @@ static int si_startup(struct radeon_device *rdev) return r; } + r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX); + if (r) { + dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); + return r; + } + + r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX); + if (r) { + dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); + return r; + } + /* Enable IRQ */ r = si_irq_init(rdev); if (r) { @@ -3855,6 +4056,22 @@ static int si_startup(struct radeon_device *rdev) if (r) return r; + ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; + r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, + DMA_RB_RPTR + DMA0_REGISTER_OFFSET, + DMA_RB_WPTR + DMA0_REGISTER_OFFSET, + 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0)); + if (r) + return r; + + ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; + r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET, + DMA_RB_RPTR + DMA1_REGISTER_OFFSET, + DMA_RB_WPTR + DMA1_REGISTER_OFFSET, + 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0)); + if (r) + return r; + r = si_cp_load_microcode(rdev); if (r) return r; @@ -3862,6 +4079,10 @@ static int si_startup(struct radeon_device *rdev) if (r) return r; + r = cayman_dma_resume(rdev); + if (r) + return r; + r = radeon_ib_pool_init(rdev); if (r) { dev_err(rdev->dev, "IB initialization failed (%d).\n", r); @@ -3903,9 +4124,7 @@ int si_resume(struct radeon_device *rdev) int si_suspend(struct radeon_device *rdev) { si_cp_enable(rdev, false); - rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; - rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; - rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; + cayman_dma_stop(rdev); si_irq_suspend(rdev); radeon_wb_disable(rdev); si_pcie_gart_disable(rdev); @@ -3983,6 +4202,14 @@ int si_init(struct radeon_device *rdev) ring->ring_obj = NULL; r600_ring_init(rdev, ring, 1024 * 1024); + ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; + ring->ring_obj = NULL; + r600_ring_init(rdev, ring, 64 * 1024); + + ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; + ring->ring_obj = NULL; + r600_ring_init(rdev, ring, 64 * 1024); + rdev->ih.ring_obj = NULL; r600_ih_ring_init(rdev, 64 * 1024); @@ -3995,6 +4222,7 @@ int si_init(struct radeon_device *rdev) if (r) { dev_err(rdev->dev, "disabling GPU acceleration\n"); si_cp_fini(rdev); + cayman_dma_fini(rdev); si_irq_fini(rdev); si_rlc_fini(rdev); radeon_wb_fini(rdev); @@ -4023,6 +4251,7 @@ void si_fini(struct radeon_device *rdev) r600_blit_fini(rdev); #endif si_cp_fini(rdev); + cayman_dma_fini(rdev); si_irq_fini(rdev); si_rlc_fini(rdev); radeon_wb_fini(rdev); |