From: Dave Airlie Date: Sun, 1 Sep 2013 23:31:40 +0000 (+1000) Subject: Merge branch 'drm-next-3.12' of git://people.freedesktop.org/~agd5f/linux into drm-next X-Git-Tag: v3.12-rc1~136^2~13 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9c725e5bcdae59d5383d4aec33a34c822582dda5;p=linux.git Merge branch 'drm-next-3.12' of git://people.freedesktop.org/~agd5f/linux into drm-next Alex writes: This is the radeon drm-next request. Big changes include: - support for dpm on CIK parts - support for ASPM on CIK parts - support for berlin GPUs - major ring handling cleanup - remove the old 3D blit code for bo moves in favor of CP DMA or sDMA - lots of bug fixes [airlied: fix up a bunch of conflicts from drm_order removal] * 'drm-next-3.12' of git://people.freedesktop.org/~agd5f/linux: (898 commits) drm/radeon/dpm: make sure dc performance level limits are valid (CI) drm/radeon/dpm: make sure dc performance level limits are valid (BTC-SI) (v2) drm/radeon: gcc fixes for extended dpm tables drm/radeon: gcc fixes for kb/kv dpm drm/radeon: gcc fixes for ci dpm drm/radeon: gcc fixes for si dpm drm/radeon: gcc fixes for ni dpm drm/radeon: gcc fixes for trinity dpm drm/radeon: gcc fixes for sumo dpm drm/radeonn: gcc fixes for rv7xx/eg/btc dpm drm/radeon: gcc fixes for rv6xx dpm drm/radeon: gcc fixes for radeon_atombios.c drm/radeon: enable UVD interrupts on CIK drm/radeon: fix init ordering for r600+ drm/radeon/dpm: only need to reprogram uvd if uvd pg is enabled drm/radeon: check the return value of uvd_v1_0_start in uvd_v1_0_init drm/radeon: split out radeon_uvd_resume from uvd_v4_2_resume radeon kms: fix uninitialised hotplug work usage in r100_irq_process() drm/radeon/audio: set up the sads on DCE3.2 asics drm/radeon: fix handling of variable sized arrays for router objects ... Conflicts: drivers/gpu/drm/i915/i915_dma.c drivers/gpu/drm/i915/i915_gem_dmabuf.c drivers/gpu/drm/i915/intel_pm.c drivers/gpu/drm/radeon/cik.c drivers/gpu/drm/radeon/ni.c drivers/gpu/drm/radeon/r600.c --- 9c725e5bcdae59d5383d4aec33a34c822582dda5 diff --cc drivers/gpu/drm/ast/ast_ttm.c index 20fcf4ee3af0,6e8887fe6c1b..32aecb34dbce --- a/drivers/gpu/drm/ast/ast_ttm.c +++ b/drivers/gpu/drm/ast/ast_ttm.c @@@ -323,7 -321,9 +323,8 @@@ int ast_bo_create(struct drm_device *de return ret; } - astbo->gem.driver_private = NULL; astbo->bo.bdev = &ast->ttm.bdev; + astbo->bo.bdev->dev_mapping = dev->dev_mapping; ast_ttm_placement(astbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); diff --cc drivers/gpu/drm/cirrus/cirrus_ttm.c index ae2385cc71cb,69fd8f1ac8df..75becdeac07d --- a/drivers/gpu/drm/cirrus/cirrus_ttm.c +++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c @@@ -328,7 -326,9 +328,8 @@@ int cirrus_bo_create(struct drm_device return ret; } - cirrusbo->gem.driver_private = NULL; cirrusbo->bo.bdev = &cirrus->ttm.bdev; + cirrusbo->bo.bdev->dev_mapping = dev->dev_mapping; cirrus_ttm_placement(cirrusbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); diff --cc drivers/gpu/drm/i915/i915_drv.h index f22c81d040c0,1929bffc1c77..52a3785a3fdf --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@@ -1749,14 -1582,12 +1749,15 @@@ void i915_queue_hangcheck(struct drm_de void i915_handle_error(struct drm_device *dev, bool wedged); extern void intel_irq_init(struct drm_device *dev); + extern void intel_pm_init(struct drm_device *dev); extern void intel_hpd_init(struct drm_device *dev); -extern void intel_gt_init(struct drm_device *dev); -extern void intel_gt_sanitize(struct drm_device *dev); +extern void intel_pm_init(struct drm_device *dev); -void i915_error_state_free(struct kref *error_ref); +extern void intel_uncore_sanitize(struct drm_device *dev); +extern void intel_uncore_early_sanitize(struct drm_device *dev); +extern void intel_uncore_init(struct drm_device *dev); +extern void intel_uncore_clear_errors(struct drm_device *dev); +extern void intel_uncore_check_errors(struct drm_device *dev); void i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask); diff --cc drivers/gpu/drm/i915/intel_display.c index 10c1db596387,be79f477a38f..38452d82ac7d --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@@ -10702,4 -10196,17 +10720,16 @@@ intel_display_print_error_state(struct err_printf(m, " POS: %08x\n", error->cursor[i].position); err_printf(m, " BASE: %08x\n", error->cursor[i].base); } + + for (i = 0; i < error->num_transcoders; i++) { + err_printf(m, " CPU transcoder: %c\n", + transcoder_name(error->transcoder[i].cpu_transcoder)); + err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); + err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); + err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); + err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); + err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); + err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); + err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); + } } -#endif diff --cc drivers/gpu/drm/mgag200/mgag200_ttm.c index fd4539d9ad2c,d70e4a92773b..07b192fe15c6 --- a/drivers/gpu/drm/mgag200/mgag200_ttm.c +++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c @@@ -323,7 -321,9 +323,8 @@@ int mgag200_bo_create(struct drm_devic return ret; } - mgabo->gem.driver_private = NULL; mgabo->bo.bdev = &mdev->ttm.bdev; + mgabo->bo.bdev->dev_mapping = dev->dev_mapping; mgag200_ttm_placement(mgabo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); diff --cc drivers/gpu/drm/radeon/cik_sdma.c index 000000000000,8925185a0049..b6286068e111 mode 000000,100644..100644 --- a/drivers/gpu/drm/radeon/cik_sdma.c +++ b/drivers/gpu/drm/radeon/cik_sdma.c @@@ -1,0 -1,785 +1,785 @@@ + /* + * Copyright 2013 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Alex Deucher + */ + #include + #include + #include "radeon.h" + #include "radeon_asic.h" + #include "cikd.h" + + /* sdma */ + #define CIK_SDMA_UCODE_SIZE 1050 + #define CIK_SDMA_UCODE_VERSION 64 + + u32 cik_gpu_check_soft_reset(struct radeon_device *rdev); + + /* + * sDMA - System DMA + * Starting with CIK, the GPU has new asynchronous + * DMA engines. These engines are used for compute + * and gfx. There are two DMA engines (SDMA0, SDMA1) + * and each one supports 1 ring buffer used for gfx + * and 2 queues used for compute. + * + * The programming model is very similar to the CP + * (ring buffer, IBs, etc.), but sDMA has it's own + * packet format that is different from the PM4 format + * used by the CP. sDMA supports copying data, writing + * embedded data, solid fills, and a number of other + * things. It also has support for tiling/detiling of + * buffers. + */ + + /** + * cik_sdma_ring_ib_execute - Schedule an IB on the DMA engine + * + * @rdev: radeon_device pointer + * @ib: IB object to schedule + * + * Schedule an IB in the DMA ring (CIK). + */ + void cik_sdma_ring_ib_execute(struct radeon_device *rdev, + struct radeon_ib *ib) + { + struct radeon_ring *ring = &rdev->ring[ib->ring]; + u32 extra_bits = (ib->vm ? ib->vm->id : 0) & 0xf; + + if (rdev->wb.enabled) { + u32 next_rptr = ring->wptr + 5; + while ((next_rptr & 7) != 4) + next_rptr++; + next_rptr += 4; + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0)); + radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); + radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff); + radeon_ring_write(ring, 1); /* number of DWs to follow */ + radeon_ring_write(ring, next_rptr); + } + + /* IB packet must end on a 8 DW boundary */ + while ((ring->wptr & 7) != 4) + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0)); + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_INDIRECT_BUFFER, 0, extra_bits)); + radeon_ring_write(ring, ib->gpu_addr & 0xffffffe0); /* base must be 32 byte aligned */ + radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xffffffff); + radeon_ring_write(ring, ib->length_dw); + + } + + /** + * cik_sdma_fence_ring_emit - emit a fence on the DMA ring + * + * @rdev: radeon_device pointer + * @fence: radeon fence object + * + * Add a DMA fence packet to the ring to write + * the fence seq number and DMA trap packet to generate + * an interrupt if needed (CIK). + */ + void cik_sdma_fence_ring_emit(struct radeon_device *rdev, + struct radeon_fence *fence) + { + struct radeon_ring *ring = &rdev->ring[fence->ring]; + u64 addr = rdev->fence_drv[fence->ring].gpu_addr; + u32 extra_bits = (SDMA_POLL_REG_MEM_EXTRA_OP(1) | + SDMA_POLL_REG_MEM_EXTRA_FUNC(3)); /* == */ + u32 ref_and_mask; + + if (fence->ring == R600_RING_TYPE_DMA_INDEX) + ref_and_mask = SDMA0; + else + ref_and_mask = SDMA1; + + /* write the fence */ + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_FENCE, 0, 0)); + radeon_ring_write(ring, addr & 0xffffffff); + radeon_ring_write(ring, upper_32_bits(addr) & 0xffffffff); + radeon_ring_write(ring, fence->seq); + /* generate an interrupt */ + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_TRAP, 0, 0)); + /* flush HDP */ + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_POLL_REG_MEM, 0, extra_bits)); + radeon_ring_write(ring, GPU_HDP_FLUSH_DONE); + radeon_ring_write(ring, GPU_HDP_FLUSH_REQ); + radeon_ring_write(ring, ref_and_mask); /* REFERENCE */ + radeon_ring_write(ring, ref_and_mask); /* MASK */ + radeon_ring_write(ring, (4 << 16) | 10); /* RETRY_COUNT, POLL_INTERVAL */ + } + + /** + * cik_sdma_semaphore_ring_emit - emit a semaphore on the dma ring + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * @semaphore: radeon semaphore object + * @emit_wait: wait or signal semaphore + * + * Add a DMA semaphore packet to the ring wait on or signal + * other rings (CIK). + */ + void cik_sdma_semaphore_ring_emit(struct radeon_device *rdev, + struct radeon_ring *ring, + struct radeon_semaphore *semaphore, + bool emit_wait) + { + u64 addr = semaphore->gpu_addr; + u32 extra_bits = emit_wait ? 0 : SDMA_SEMAPHORE_EXTRA_S; + + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SEMAPHORE, 0, extra_bits)); + radeon_ring_write(ring, addr & 0xfffffff8); + radeon_ring_write(ring, upper_32_bits(addr) & 0xffffffff); + } + + /** + * cik_sdma_gfx_stop - stop the gfx async dma engines + * + * @rdev: radeon_device pointer + * + * Stop the gfx async dma ring buffers (CIK). + */ + static void cik_sdma_gfx_stop(struct radeon_device *rdev) + { + u32 rb_cntl, reg_offset; + int i; + + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + + for (i = 0; i < 2; i++) { + if (i == 0) + reg_offset = SDMA0_REGISTER_OFFSET; + else + reg_offset = SDMA1_REGISTER_OFFSET; + rb_cntl = RREG32(SDMA0_GFX_RB_CNTL + reg_offset); + rb_cntl &= ~SDMA_RB_ENABLE; + WREG32(SDMA0_GFX_RB_CNTL + reg_offset, rb_cntl); + WREG32(SDMA0_GFX_IB_CNTL + reg_offset, 0); + } + } + + /** + * cik_sdma_rlc_stop - stop the compute async dma engines + * + * @rdev: radeon_device pointer + * + * Stop the compute async dma queues (CIK). + */ + static void cik_sdma_rlc_stop(struct radeon_device *rdev) + { + /* XXX todo */ + } + + /** + * cik_sdma_enable - stop the async dma engines + * + * @rdev: radeon_device pointer + * @enable: enable/disable the DMA MEs. + * + * Halt or unhalt the async dma engines (CIK). + */ + void cik_sdma_enable(struct radeon_device *rdev, bool enable) + { + u32 me_cntl, reg_offset; + int i; + + for (i = 0; i < 2; i++) { + if (i == 0) + reg_offset = SDMA0_REGISTER_OFFSET; + else + reg_offset = SDMA1_REGISTER_OFFSET; + me_cntl = RREG32(SDMA0_ME_CNTL + reg_offset); + if (enable) + me_cntl &= ~SDMA_HALT; + else + me_cntl |= SDMA_HALT; + WREG32(SDMA0_ME_CNTL + reg_offset, me_cntl); + } + } + + /** + * cik_sdma_gfx_resume - setup and start the async dma engines + * + * @rdev: radeon_device pointer + * + * Set up the gfx DMA ring buffers and enable them (CIK). + * Returns 0 for success, error for failure. + */ + static int cik_sdma_gfx_resume(struct radeon_device *rdev) + { + struct radeon_ring *ring; + u32 rb_cntl, ib_cntl; + u32 rb_bufsz; + u32 reg_offset, wb_offset; + int i, r; + + for (i = 0; i < 2; i++) { + if (i == 0) { + ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; + reg_offset = SDMA0_REGISTER_OFFSET; + wb_offset = R600_WB_DMA_RPTR_OFFSET; + } else { + ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; + reg_offset = SDMA1_REGISTER_OFFSET; + wb_offset = CAYMAN_WB_DMA1_RPTR_OFFSET; + } + + WREG32(SDMA0_SEM_INCOMPLETE_TIMER_CNTL + reg_offset, 0); + WREG32(SDMA0_SEM_WAIT_FAIL_TIMER_CNTL + reg_offset, 0); + + /* Set ring buffer size in dwords */ - rb_bufsz = drm_order(ring->ring_size / 4); ++ rb_bufsz = order_base_2(ring->ring_size / 4); + rb_cntl = rb_bufsz << 1; + #ifdef __BIG_ENDIAN + rb_cntl |= SDMA_RB_SWAP_ENABLE | SDMA_RPTR_WRITEBACK_SWAP_ENABLE; + #endif + WREG32(SDMA0_GFX_RB_CNTL + reg_offset, rb_cntl); + + /* Initialize the ring buffer's read and write pointers */ + WREG32(SDMA0_GFX_RB_RPTR + reg_offset, 0); + WREG32(SDMA0_GFX_RB_WPTR + reg_offset, 0); + + /* set the wb address whether it's enabled or not */ + WREG32(SDMA0_GFX_RB_RPTR_ADDR_HI + reg_offset, + upper_32_bits(rdev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); + WREG32(SDMA0_GFX_RB_RPTR_ADDR_LO + reg_offset, + ((rdev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC)); + + if (rdev->wb.enabled) + rb_cntl |= SDMA_RPTR_WRITEBACK_ENABLE; + + WREG32(SDMA0_GFX_RB_BASE + reg_offset, ring->gpu_addr >> 8); + WREG32(SDMA0_GFX_RB_BASE_HI + reg_offset, ring->gpu_addr >> 40); + + ring->wptr = 0; + WREG32(SDMA0_GFX_RB_WPTR + reg_offset, ring->wptr << 2); + + ring->rptr = RREG32(SDMA0_GFX_RB_RPTR + reg_offset) >> 2; + + /* enable DMA RB */ + WREG32(SDMA0_GFX_RB_CNTL + reg_offset, rb_cntl | SDMA_RB_ENABLE); + + ib_cntl = SDMA_IB_ENABLE; + #ifdef __BIG_ENDIAN + ib_cntl |= SDMA_IB_SWAP_ENABLE; + #endif + /* enable DMA IBs */ + WREG32(SDMA0_GFX_IB_CNTL + reg_offset, ib_cntl); + + ring->ready = true; + + r = radeon_ring_test(rdev, ring->idx, ring); + if (r) { + ring->ready = false; + return r; + } + } + + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + + return 0; + } + + /** + * cik_sdma_rlc_resume - setup and start the async dma engines + * + * @rdev: radeon_device pointer + * + * Set up the compute DMA queues and enable them (CIK). + * Returns 0 for success, error for failure. + */ + static int cik_sdma_rlc_resume(struct radeon_device *rdev) + { + /* XXX todo */ + return 0; + } + + /** + * cik_sdma_load_microcode - load the sDMA ME ucode + * + * @rdev: radeon_device pointer + * + * Loads the sDMA0/1 ucode. + * Returns 0 for success, -EINVAL if the ucode is not available. + */ + static int cik_sdma_load_microcode(struct radeon_device *rdev) + { + const __be32 *fw_data; + int i; + + if (!rdev->sdma_fw) + return -EINVAL; + + /* stop the gfx rings and rlc compute queues */ + cik_sdma_gfx_stop(rdev); + cik_sdma_rlc_stop(rdev); + + /* halt the MEs */ + cik_sdma_enable(rdev, false); + + /* sdma0 */ + fw_data = (const __be32 *)rdev->sdma_fw->data; + WREG32(SDMA0_UCODE_ADDR + SDMA0_REGISTER_OFFSET, 0); + for (i = 0; i < CIK_SDMA_UCODE_SIZE; i++) + WREG32(SDMA0_UCODE_DATA + SDMA0_REGISTER_OFFSET, be32_to_cpup(fw_data++)); + WREG32(SDMA0_UCODE_DATA + SDMA0_REGISTER_OFFSET, CIK_SDMA_UCODE_VERSION); + + /* sdma1 */ + fw_data = (const __be32 *)rdev->sdma_fw->data; + WREG32(SDMA0_UCODE_ADDR + SDMA1_REGISTER_OFFSET, 0); + for (i = 0; i < CIK_SDMA_UCODE_SIZE; i++) + WREG32(SDMA0_UCODE_DATA + SDMA1_REGISTER_OFFSET, be32_to_cpup(fw_data++)); + WREG32(SDMA0_UCODE_DATA + SDMA1_REGISTER_OFFSET, CIK_SDMA_UCODE_VERSION); + + WREG32(SDMA0_UCODE_ADDR + SDMA0_REGISTER_OFFSET, 0); + WREG32(SDMA0_UCODE_ADDR + SDMA1_REGISTER_OFFSET, 0); + return 0; + } + + /** + * cik_sdma_resume - setup and start the async dma engines + * + * @rdev: radeon_device pointer + * + * Set up the DMA engines and enable them (CIK). + * Returns 0 for success, error for failure. + */ + int cik_sdma_resume(struct radeon_device *rdev) + { + int r; + + /* Reset dma */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_SDMA | SOFT_RESET_SDMA1); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + RREG32(SRBM_SOFT_RESET); + + r = cik_sdma_load_microcode(rdev); + if (r) + return r; + + /* unhalt the MEs */ + cik_sdma_enable(rdev, true); + + /* start the gfx rings and rlc compute queues */ + r = cik_sdma_gfx_resume(rdev); + if (r) + return r; + r = cik_sdma_rlc_resume(rdev); + if (r) + return r; + + return 0; + } + + /** + * cik_sdma_fini - tear down the async dma engines + * + * @rdev: radeon_device pointer + * + * Stop the async dma engines and free the rings (CIK). + */ + void cik_sdma_fini(struct radeon_device *rdev) + { + /* stop the gfx rings and rlc compute queues */ + cik_sdma_gfx_stop(rdev); + cik_sdma_rlc_stop(rdev); + /* halt the MEs */ + cik_sdma_enable(rdev, false); + radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]); + radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]); + /* XXX - compute dma queue tear down */ + } + + /** + * cik_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 (CIK). + * Used by the radeon ttm implementation to move pages if + * registered as the asic copy callback. + */ + int cik_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, 0x1fffff); + r = radeon_ring_lock(rdev, ring, num_loops * 7 + 14); + 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 > 0x1fffff) + cur_size_in_bytes = 0x1fffff; + size_in_bytes -= cur_size_in_bytes; + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_COPY, SDMA_COPY_SUB_OPCODE_LINEAR, 0)); + radeon_ring_write(ring, cur_size_in_bytes); + radeon_ring_write(ring, 0); /* src/dst endian swap */ + radeon_ring_write(ring, src_offset & 0xffffffff); + radeon_ring_write(ring, upper_32_bits(src_offset) & 0xffffffff); + radeon_ring_write(ring, dst_offset & 0xfffffffc); + radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xffffffff); + 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; + } + + /** + * cik_sdma_ring_test - simple async dma engine test + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Test the DMA engine by writing using it to write an + * value to memory. (CIK). + * Returns 0 for success, error for failure. + */ + int cik_sdma_ring_test(struct radeon_device *rdev, + struct radeon_ring *ring) + { + unsigned i; + int r; + void __iomem *ptr = (void *)rdev->vram_scratch.ptr; + u32 tmp; + + if (!ptr) { + DRM_ERROR("invalid vram scratch pointer\n"); + return -EINVAL; + } + + tmp = 0xCAFEDEAD; + writel(tmp, ptr); + + r = radeon_ring_lock(rdev, ring, 4); + if (r) { + DRM_ERROR("radeon: dma failed to lock ring %d (%d).\n", ring->idx, r); + return r; + } + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0)); + radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc); + radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xffffffff); + radeon_ring_write(ring, 1); /* number of DWs to follow */ + radeon_ring_write(ring, 0xDEADBEEF); + radeon_ring_unlock_commit(rdev, ring); + + for (i = 0; i < rdev->usec_timeout; i++) { + tmp = readl(ptr); + if (tmp == 0xDEADBEEF) + break; + DRM_UDELAY(1); + } + + if (i < rdev->usec_timeout) { + DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); + } else { + DRM_ERROR("radeon: ring %d test failed (0x%08X)\n", + ring->idx, tmp); + r = -EINVAL; + } + return r; + } + + /** + * cik_sdma_ib_test - test an IB on the DMA engine + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Test a simple IB in the DMA ring (CIK). + * Returns 0 on success, error on failure. + */ + int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) + { + struct radeon_ib ib; + unsigned i; + int r; + void __iomem *ptr = (void *)rdev->vram_scratch.ptr; + u32 tmp = 0; + + if (!ptr) { + DRM_ERROR("invalid vram scratch pointer\n"); + return -EINVAL; + } + + tmp = 0xCAFEDEAD; + writel(tmp, ptr); + + r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); + if (r) { + DRM_ERROR("radeon: failed to get ib (%d).\n", r); + return r; + } + + ib.ptr[0] = SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0); + ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc; + ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xffffffff; + ib.ptr[3] = 1; + ib.ptr[4] = 0xDEADBEEF; + ib.length_dw = 5; + + r = radeon_ib_schedule(rdev, &ib, NULL); + if (r) { + radeon_ib_free(rdev, &ib); + DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); + return r; + } + r = radeon_fence_wait(ib.fence, false); + if (r) { + DRM_ERROR("radeon: fence wait failed (%d).\n", r); + return r; + } + for (i = 0; i < rdev->usec_timeout; i++) { + tmp = readl(ptr); + if (tmp == 0xDEADBEEF) + break; + DRM_UDELAY(1); + } + if (i < rdev->usec_timeout) { + DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i); + } else { + DRM_ERROR("radeon: ib test failed (0x%08X)\n", tmp); + r = -EINVAL; + } + radeon_ib_free(rdev, &ib); + return r; + } + + /** + * cik_sdma_is_lockup - Check if the DMA engine is locked up + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Check if the async DMA engine is locked up (CIK). + * Returns true if the engine appears to be locked up, false if not. + */ + bool cik_sdma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) + { + u32 reset_mask = cik_gpu_check_soft_reset(rdev); + u32 mask; + + if (ring->idx == R600_RING_TYPE_DMA_INDEX) + mask = RADEON_RESET_DMA; + else + mask = RADEON_RESET_DMA1; + + if (!(reset_mask & mask)) { + radeon_ring_lockup_update(ring); + return false; + } + /* force ring activities */ + radeon_ring_force_activity(rdev, ring); + return radeon_ring_test_lockup(rdev, ring); + } + + /** + * cik_sdma_vm_set_page - update the page tables using sDMA + * + * @rdev: radeon_device pointer + * @ib: indirect buffer to fill with commands + * @pe: addr of the page entry + * @addr: dst addr to write into pe + * @count: number of page entries to update + * @incr: increase next addr by incr bytes + * @flags: access flags + * + * Update the page tables using sDMA (CIK). + */ + void cik_sdma_vm_set_page(struct radeon_device *rdev, + struct radeon_ib *ib, + uint64_t pe, + uint64_t addr, unsigned count, + uint32_t incr, uint32_t flags) + { + uint32_t r600_flags = cayman_vm_page_flags(rdev, flags); + uint64_t value; + unsigned ndw; + + if (flags & RADEON_VM_PAGE_SYSTEM) { + while (count) { + ndw = count * 2; + if (ndw > 0xFFFFE) + ndw = 0xFFFFE; + + /* for non-physically contiguous pages (system) */ + ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0); + ib->ptr[ib->length_dw++] = pe; + ib->ptr[ib->length_dw++] = upper_32_bits(pe); + ib->ptr[ib->length_dw++] = ndw; + 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; + ib->ptr[ib->length_dw++] = value; + ib->ptr[ib->length_dw++] = upper_32_bits(value); + } + } + } else { + while (count) { + ndw = count; + if (ndw > 0x7FFFF) + ndw = 0x7FFFF; + + if (flags & RADEON_VM_PAGE_VALID) + value = addr; + else + value = 0; + /* for physically contiguous pages (vram) */ + ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_GENERATE_PTE_PDE, 0, 0); + ib->ptr[ib->length_dw++] = pe; /* dst addr */ + ib->ptr[ib->length_dw++] = upper_32_bits(pe); + ib->ptr[ib->length_dw++] = r600_flags; /* mask */ + ib->ptr[ib->length_dw++] = 0; + ib->ptr[ib->length_dw++] = value; /* value */ + ib->ptr[ib->length_dw++] = upper_32_bits(value); + ib->ptr[ib->length_dw++] = incr; /* increment size */ + ib->ptr[ib->length_dw++] = 0; + ib->ptr[ib->length_dw++] = ndw; /* number of entries */ + pe += ndw * 8; + addr += ndw * incr; + count -= ndw; + } + } + while (ib->length_dw & 0x7) + ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0); + } + + /** + * cik_dma_vm_flush - cik vm flush using sDMA + * + * @rdev: radeon_device pointer + * + * Update the page table base and flush the VM TLB + * using sDMA (CIK). + */ + void cik_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) + { + struct radeon_ring *ring = &rdev->ring[ridx]; + u32 extra_bits = (SDMA_POLL_REG_MEM_EXTRA_OP(1) | + SDMA_POLL_REG_MEM_EXTRA_FUNC(3)); /* == */ + u32 ref_and_mask; + + if (vm == NULL) + return; + + if (ridx == R600_RING_TYPE_DMA_INDEX) + ref_and_mask = SDMA0; + else + ref_and_mask = SDMA1; + + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); + if (vm->id < 8) { + radeon_ring_write(ring, (VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2); + } else { + radeon_ring_write(ring, (VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm->id - 8) << 2)) >> 2); + } + radeon_ring_write(ring, vm->pd_gpu_addr >> 12); + + /* update SH_MEM_* regs */ + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); + radeon_ring_write(ring, SRBM_GFX_CNTL >> 2); + radeon_ring_write(ring, VMID(vm->id)); + + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); + radeon_ring_write(ring, SH_MEM_BASES >> 2); + radeon_ring_write(ring, 0); + + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); + radeon_ring_write(ring, SH_MEM_CONFIG >> 2); + radeon_ring_write(ring, 0); + + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); + radeon_ring_write(ring, SH_MEM_APE1_BASE >> 2); + radeon_ring_write(ring, 1); + + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); + radeon_ring_write(ring, SH_MEM_APE1_LIMIT >> 2); + radeon_ring_write(ring, 0); + + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); + radeon_ring_write(ring, SRBM_GFX_CNTL >> 2); + radeon_ring_write(ring, VMID(0)); + + /* flush HDP */ + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_POLL_REG_MEM, 0, extra_bits)); + radeon_ring_write(ring, GPU_HDP_FLUSH_DONE); + radeon_ring_write(ring, GPU_HDP_FLUSH_REQ); + radeon_ring_write(ring, ref_and_mask); /* REFERENCE */ + radeon_ring_write(ring, ref_and_mask); /* MASK */ + radeon_ring_write(ring, (4 << 16) | 10); /* RETRY_COUNT, POLL_INTERVAL */ + + /* flush TLB */ + radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); + radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2); + radeon_ring_write(ring, 1 << vm->id); + } + diff --cc drivers/gpu/drm/radeon/ni_dma.c index 000000000000,0f3c0baea4a6..dd6e9688fbef mode 000000,100644..100644 --- a/drivers/gpu/drm/radeon/ni_dma.c +++ b/drivers/gpu/drm/radeon/ni_dma.c @@@ -1,0 -1,338 +1,338 @@@ + /* + * Copyright 2010 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Alex Deucher + */ + #include + #include "radeon.h" + #include "radeon_asic.h" + #include "nid.h" + + u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev); + + /* + * DMA + * Starting with R600, the GPU has an asynchronous + * DMA engine. The programming model is very similar + * to the 3D engine (ring buffer, IBs, etc.), but the + * DMA controller has it's own packet format that is + * different form the PM4 format used by the 3D engine. + * It supports copying data, writing embedded data, + * solid fills, and a number of other things. It also + * has support for tiling/detiling of buffers. + * Cayman and newer support two asynchronous DMA engines. + */ + + /** + * cayman_dma_ring_ib_execute - Schedule an IB on the DMA engine + * + * @rdev: radeon_device pointer + * @ib: IB object to schedule + * + * Schedule an IB in the DMA ring (cayman-SI). + */ + void cayman_dma_ring_ib_execute(struct radeon_device *rdev, + struct radeon_ib *ib) + { + struct radeon_ring *ring = &rdev->ring[ib->ring]; + + if (rdev->wb.enabled) { + u32 next_rptr = ring->wptr + 4; + while ((next_rptr & 7) != 5) + next_rptr++; + next_rptr += 3; + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1)); + radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); + radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff); + radeon_ring_write(ring, next_rptr); + } + + /* The indirect buffer packet must end on an 8 DW boundary in the DMA ring. + * Pad as necessary with NOPs. + */ + while ((ring->wptr & 7) != 5) + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); + radeon_ring_write(ring, DMA_IB_PACKET(DMA_PACKET_INDIRECT_BUFFER, ib->vm ? ib->vm->id : 0, 0)); + radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0)); + radeon_ring_write(ring, (ib->length_dw << 12) | (upper_32_bits(ib->gpu_addr) & 0xFF)); + + } + + /** + * cayman_dma_stop - stop the async dma engines + * + * @rdev: radeon_device pointer + * + * Stop the async dma engines (cayman-SI). + */ + void cayman_dma_stop(struct radeon_device *rdev) + { + u32 rb_cntl; + + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + + /* dma0 */ + rb_cntl = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); + rb_cntl &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, rb_cntl); + + /* dma1 */ + rb_cntl = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); + rb_cntl &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, rb_cntl); + + rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false; + rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready = false; + } + + /** + * cayman_dma_resume - setup and start the async dma engines + * + * @rdev: radeon_device pointer + * + * Set up the DMA ring buffers and enable them. (cayman-SI). + * Returns 0 for success, error for failure. + */ + int cayman_dma_resume(struct radeon_device *rdev) + { + struct radeon_ring *ring; + u32 rb_cntl, dma_cntl, ib_cntl; + u32 rb_bufsz; + u32 reg_offset, wb_offset; + int i, r; + + /* Reset dma */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + + for (i = 0; i < 2; i++) { + if (i == 0) { + ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; + reg_offset = DMA0_REGISTER_OFFSET; + wb_offset = R600_WB_DMA_RPTR_OFFSET; + } else { + ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; + reg_offset = DMA1_REGISTER_OFFSET; + wb_offset = CAYMAN_WB_DMA1_RPTR_OFFSET; + } + + WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL + reg_offset, 0); + WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL + reg_offset, 0); + + /* Set ring buffer size in dwords */ - rb_bufsz = drm_order(ring->ring_size / 4); ++ rb_bufsz = order_base_2(ring->ring_size / 4); + rb_cntl = rb_bufsz << 1; + #ifdef __BIG_ENDIAN + rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE; + #endif + WREG32(DMA_RB_CNTL + reg_offset, rb_cntl); + + /* Initialize the ring buffer's read and write pointers */ + WREG32(DMA_RB_RPTR + reg_offset, 0); + WREG32(DMA_RB_WPTR + reg_offset, 0); + + /* set the wb address whether it's enabled or not */ + WREG32(DMA_RB_RPTR_ADDR_HI + reg_offset, + upper_32_bits(rdev->wb.gpu_addr + wb_offset) & 0xFF); + WREG32(DMA_RB_RPTR_ADDR_LO + reg_offset, + ((rdev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC)); + + if (rdev->wb.enabled) + rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE; + + WREG32(DMA_RB_BASE + reg_offset, ring->gpu_addr >> 8); + + /* enable DMA IBs */ + ib_cntl = DMA_IB_ENABLE | CMD_VMID_FORCE; + #ifdef __BIG_ENDIAN + ib_cntl |= DMA_IB_SWAP_ENABLE; + #endif + WREG32(DMA_IB_CNTL + reg_offset, ib_cntl); + + dma_cntl = RREG32(DMA_CNTL + reg_offset); + dma_cntl &= ~CTXEMPTY_INT_ENABLE; + WREG32(DMA_CNTL + reg_offset, dma_cntl); + + ring->wptr = 0; + WREG32(DMA_RB_WPTR + reg_offset, ring->wptr << 2); + + ring->rptr = RREG32(DMA_RB_RPTR + reg_offset) >> 2; + + WREG32(DMA_RB_CNTL + reg_offset, rb_cntl | DMA_RB_ENABLE); + + ring->ready = true; + + r = radeon_ring_test(rdev, ring->idx, ring); + if (r) { + ring->ready = false; + return r; + } + } + + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + + return 0; + } + + /** + * cayman_dma_fini - tear down the async dma engines + * + * @rdev: radeon_device pointer + * + * Stop the async dma engines and free the rings (cayman-SI). + */ + void cayman_dma_fini(struct radeon_device *rdev) + { + cayman_dma_stop(rdev); + radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]); + radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]); + } + + /** + * cayman_dma_is_lockup - Check if the DMA engine is locked up + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Check if the async DMA engine is locked up. + * Returns true if the engine appears to be locked up, false if not. + */ + bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) + { + u32 reset_mask = cayman_gpu_check_soft_reset(rdev); + u32 mask; + + if (ring->idx == R600_RING_TYPE_DMA_INDEX) + mask = RADEON_RESET_DMA; + else + mask = RADEON_RESET_DMA1; + + if (!(reset_mask & mask)) { + radeon_ring_lockup_update(ring); + return false; + } + /* force ring activities */ + radeon_ring_force_activity(rdev, ring); + return radeon_ring_test_lockup(rdev, ring); + } + + /** + * cayman_dma_vm_set_page - update the page tables using the DMA + * + * @rdev: radeon_device pointer + * @ib: indirect buffer to fill with commands + * @pe: addr of the page entry + * @addr: dst addr to write into pe + * @count: number of page entries to update + * @incr: increase next addr by incr bytes + * @flags: access flags + * @r600_flags: hw access flags + * + * Update the page tables using the DMA (cayman/TN). + */ + void cayman_dma_vm_set_page(struct radeon_device *rdev, + struct radeon_ib *ib, + uint64_t pe, + uint64_t addr, unsigned count, + uint32_t incr, uint32_t flags) + { + uint32_t r600_flags = cayman_vm_page_flags(rdev, flags); + uint64_t value; + unsigned ndw; + + if ((flags & RADEON_VM_PAGE_SYSTEM) || (count == 1)) { + while (count) { + ndw = count * 2; + if (ndw > 0xFFFFE) + ndw = 0xFFFFE; + + /* for non-physically contiguous pages (system) */ + ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, ndw); + ib->ptr[ib->length_dw++] = pe; + ib->ptr[ib->length_dw++] = 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; + ib->ptr[ib->length_dw++] = value; + ib->ptr[ib->length_dw++] = 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) */ + ib->ptr[ib->length_dw++] = DMA_PTE_PDE_PACKET(ndw); + ib->ptr[ib->length_dw++] = pe; /* dst addr */ + ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff; + ib->ptr[ib->length_dw++] = r600_flags; /* mask */ + ib->ptr[ib->length_dw++] = 0; + ib->ptr[ib->length_dw++] = value; /* value */ + ib->ptr[ib->length_dw++] = upper_32_bits(value); + ib->ptr[ib->length_dw++] = incr; /* increment size */ + ib->ptr[ib->length_dw++] = 0; + pe += ndw * 4; + addr += (ndw / 2) * incr; + count -= ndw / 2; + } + } + while (ib->length_dw & 0x7) + ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0); + } + + void cayman_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)); + radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 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)); + 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)); + radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2)); + radeon_ring_write(ring, 1 << vm->id); + } + diff --cc drivers/gpu/drm/radeon/r600_dma.c index 000000000000,bff05576266b..3b317456512a mode 000000,100644..100644 --- a/drivers/gpu/drm/radeon/r600_dma.c +++ b/drivers/gpu/drm/radeon/r600_dma.c @@@ -1,0 -1,497 +1,497 @@@ + /* + * Copyright 2013 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Alex Deucher + */ + #include + #include "radeon.h" + #include "radeon_asic.h" + #include "r600d.h" + + u32 r600_gpu_check_soft_reset(struct radeon_device *rdev); + + /* + * DMA + * Starting with R600, the GPU has an asynchronous + * DMA engine. The programming model is very similar + * to the 3D engine (ring buffer, IBs, etc.), but the + * DMA controller has it's own packet format that is + * different form the PM4 format used by the 3D engine. + * It supports copying data, writing embedded data, + * solid fills, and a number of other things. It also + * has support for tiling/detiling of buffers. + */ + + /** + * r600_dma_get_rptr - get the current read pointer + * + * @rdev: radeon_device pointer + * @ring: radeon ring pointer + * + * Get the current rptr from the hardware (r6xx+). + */ + uint32_t r600_dma_get_rptr(struct radeon_device *rdev, + struct radeon_ring *ring) + { + return (radeon_ring_generic_get_rptr(rdev, ring) & 0x3fffc) >> 2; + } + + /** + * r600_dma_get_wptr - get the current write pointer + * + * @rdev: radeon_device pointer + * @ring: radeon ring pointer + * + * Get the current wptr from the hardware (r6xx+). + */ + uint32_t r600_dma_get_wptr(struct radeon_device *rdev, + struct radeon_ring *ring) + { + return (RREG32(ring->wptr_reg) & 0x3fffc) >> 2; + } + + /** + * r600_dma_set_wptr - commit the write pointer + * + * @rdev: radeon_device pointer + * @ring: radeon ring pointer + * + * Write the wptr back to the hardware (r6xx+). + */ + void r600_dma_set_wptr(struct radeon_device *rdev, + struct radeon_ring *ring) + { + WREG32(ring->wptr_reg, (ring->wptr << 2) & 0x3fffc); + } + + /** + * r600_dma_stop - stop the async dma engine + * + * @rdev: radeon_device pointer + * + * Stop the async dma engine (r6xx-evergreen). + */ + void r600_dma_stop(struct radeon_device *rdev) + { + u32 rb_cntl = RREG32(DMA_RB_CNTL); + + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + + rb_cntl &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL, rb_cntl); + + rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false; + } + + /** + * r600_dma_resume - setup and start the async dma engine + * + * @rdev: radeon_device pointer + * + * Set up the DMA ring buffer and enable it. (r6xx-evergreen). + * Returns 0 for success, error for failure. + */ + int r600_dma_resume(struct radeon_device *rdev) + { + struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; + u32 rb_cntl, dma_cntl, ib_cntl; + u32 rb_bufsz; + int r; + + /* Reset dma */ + if (rdev->family >= CHIP_RV770) + WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA); + else + WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA); + RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + + WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL, 0); + WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL, 0); + + /* Set ring buffer size in dwords */ - rb_bufsz = drm_order(ring->ring_size / 4); ++ rb_bufsz = order_base_2(ring->ring_size / 4); + rb_cntl = rb_bufsz << 1; + #ifdef __BIG_ENDIAN + rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE; + #endif + WREG32(DMA_RB_CNTL, rb_cntl); + + /* Initialize the ring buffer's read and write pointers */ + WREG32(DMA_RB_RPTR, 0); + WREG32(DMA_RB_WPTR, 0); + + /* set the wb address whether it's enabled or not */ + WREG32(DMA_RB_RPTR_ADDR_HI, + upper_32_bits(rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFF); + WREG32(DMA_RB_RPTR_ADDR_LO, + ((rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFFFFFFFC)); + + if (rdev->wb.enabled) + rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE; + + WREG32(DMA_RB_BASE, ring->gpu_addr >> 8); + + /* enable DMA IBs */ + ib_cntl = DMA_IB_ENABLE; + #ifdef __BIG_ENDIAN + ib_cntl |= DMA_IB_SWAP_ENABLE; + #endif + WREG32(DMA_IB_CNTL, ib_cntl); + + dma_cntl = RREG32(DMA_CNTL); + dma_cntl &= ~CTXEMPTY_INT_ENABLE; + WREG32(DMA_CNTL, dma_cntl); + + if (rdev->family >= CHIP_RV770) + WREG32(DMA_MODE, 1); + + ring->wptr = 0; + WREG32(DMA_RB_WPTR, ring->wptr << 2); + + ring->rptr = RREG32(DMA_RB_RPTR) >> 2; + + WREG32(DMA_RB_CNTL, rb_cntl | DMA_RB_ENABLE); + + ring->ready = true; + + r = radeon_ring_test(rdev, R600_RING_TYPE_DMA_INDEX, ring); + if (r) { + ring->ready = false; + return r; + } + + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + + return 0; + } + + /** + * r600_dma_fini - tear down the async dma engine + * + * @rdev: radeon_device pointer + * + * Stop the async dma engine and free the ring (r6xx-evergreen). + */ + void r600_dma_fini(struct radeon_device *rdev) + { + r600_dma_stop(rdev); + radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]); + } + + /** + * r600_dma_is_lockup - Check if the DMA engine is locked up + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Check if the async DMA engine is locked up. + * Returns true if the engine appears to be locked up, false if not. + */ + bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) + { + u32 reset_mask = r600_gpu_check_soft_reset(rdev); + + if (!(reset_mask & RADEON_RESET_DMA)) { + radeon_ring_lockup_update(ring); + return false; + } + /* force ring activities */ + radeon_ring_force_activity(rdev, ring); + return radeon_ring_test_lockup(rdev, ring); + } + + + /** + * r600_dma_ring_test - simple async dma engine test + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Test the DMA engine by writing using it to write an + * value to memory. (r6xx-SI). + * Returns 0 for success, error for failure. + */ + int r600_dma_ring_test(struct radeon_device *rdev, + struct radeon_ring *ring) + { + unsigned i; + int r; + void __iomem *ptr = (void *)rdev->vram_scratch.ptr; + u32 tmp; + + if (!ptr) { + DRM_ERROR("invalid vram scratch pointer\n"); + return -EINVAL; + } + + tmp = 0xCAFEDEAD; + writel(tmp, ptr); + + r = radeon_ring_lock(rdev, ring, 4); + if (r) { + DRM_ERROR("radeon: dma failed to lock ring %d (%d).\n", ring->idx, r); + return r; + } + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1)); + radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc); + radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff); + radeon_ring_write(ring, 0xDEADBEEF); + radeon_ring_unlock_commit(rdev, ring); + + for (i = 0; i < rdev->usec_timeout; i++) { + tmp = readl(ptr); + if (tmp == 0xDEADBEEF) + break; + DRM_UDELAY(1); + } + + if (i < rdev->usec_timeout) { + DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); + } else { + DRM_ERROR("radeon: ring %d test failed (0x%08X)\n", + ring->idx, tmp); + r = -EINVAL; + } + return r; + } + + /** + * r600_dma_fence_ring_emit - emit a fence on the DMA ring + * + * @rdev: radeon_device pointer + * @fence: radeon fence object + * + * Add a DMA fence packet to the ring to write + * the fence seq number and DMA trap packet to generate + * an interrupt if needed (r6xx-r7xx). + */ + void r600_dma_fence_ring_emit(struct radeon_device *rdev, + struct radeon_fence *fence) + { + struct radeon_ring *ring = &rdev->ring[fence->ring]; + u64 addr = rdev->fence_drv[fence->ring].gpu_addr; + + /* write the fence */ + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_FENCE, 0, 0, 0)); + radeon_ring_write(ring, addr & 0xfffffffc); + radeon_ring_write(ring, (upper_32_bits(addr) & 0xff)); + radeon_ring_write(ring, lower_32_bits(fence->seq)); + /* generate an interrupt */ + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0)); + } + + /** + * r600_dma_semaphore_ring_emit - emit a semaphore on the dma ring + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * @semaphore: radeon semaphore object + * @emit_wait: wait or signal semaphore + * + * Add a DMA semaphore packet to the ring wait on or signal + * other rings (r6xx-SI). + */ + void r600_dma_semaphore_ring_emit(struct radeon_device *rdev, + struct radeon_ring *ring, + struct radeon_semaphore *semaphore, + bool emit_wait) + { + u64 addr = semaphore->gpu_addr; + u32 s = emit_wait ? 0 : 1; + + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SEMAPHORE, 0, s, 0)); + radeon_ring_write(ring, addr & 0xfffffffc); + radeon_ring_write(ring, upper_32_bits(addr) & 0xff); + } + + /** + * r600_dma_ib_test - test an IB on the DMA engine + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Test a simple IB in the DMA ring (r6xx-SI). + * Returns 0 on success, error on failure. + */ + int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) + { + struct radeon_ib ib; + unsigned i; + int r; + void __iomem *ptr = (void *)rdev->vram_scratch.ptr; + u32 tmp = 0; + + if (!ptr) { + DRM_ERROR("invalid vram scratch pointer\n"); + return -EINVAL; + } + + tmp = 0xCAFEDEAD; + writel(tmp, ptr); + + r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); + if (r) { + DRM_ERROR("radeon: failed to get ib (%d).\n", r); + return r; + } + + ib.ptr[0] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1); + ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc; + ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff; + ib.ptr[3] = 0xDEADBEEF; + ib.length_dw = 4; + + r = radeon_ib_schedule(rdev, &ib, NULL); + if (r) { + radeon_ib_free(rdev, &ib); + DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); + return r; + } + r = radeon_fence_wait(ib.fence, false); + if (r) { + DRM_ERROR("radeon: fence wait failed (%d).\n", r); + return r; + } + for (i = 0; i < rdev->usec_timeout; i++) { + tmp = readl(ptr); + if (tmp == 0xDEADBEEF) + break; + DRM_UDELAY(1); + } + if (i < rdev->usec_timeout) { + DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i); + } else { + DRM_ERROR("radeon: ib test failed (0x%08X)\n", tmp); + r = -EINVAL; + } + radeon_ib_free(rdev, &ib); + return r; + } + + /** + * r600_dma_ring_ib_execute - Schedule an IB on the DMA engine + * + * @rdev: radeon_device pointer + * @ib: IB object to schedule + * + * Schedule an IB in the DMA ring (r6xx-r7xx). + */ + void r600_dma_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) + { + struct radeon_ring *ring = &rdev->ring[ib->ring]; + + if (rdev->wb.enabled) { + u32 next_rptr = ring->wptr + 4; + while ((next_rptr & 7) != 5) + next_rptr++; + next_rptr += 3; + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1)); + radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); + radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff); + radeon_ring_write(ring, next_rptr); + } + + /* The indirect buffer packet must end on an 8 DW boundary in the DMA ring. + * Pad as necessary with NOPs. + */ + while ((ring->wptr & 7) != 5) + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_INDIRECT_BUFFER, 0, 0, 0)); + radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0)); + radeon_ring_write(ring, (ib->length_dw << 16) | (upper_32_bits(ib->gpu_addr) & 0xFF)); + + } + + /** + * r600_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 (r6xx). + * Used by the radeon ttm implementation to move pages if + * registered as the asic copy callback. + */ + int r600_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_dw, cur_size_in_dw; + 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_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4; + num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFE); + r = radeon_ring_lock(rdev, ring, num_loops * 4 + 8); + 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_dw = size_in_dw; + if (cur_size_in_dw > 0xFFFE) + cur_size_in_dw = 0xFFFE; + size_in_dw -= cur_size_in_dw; + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw)); + radeon_ring_write(ring, dst_offset & 0xfffffffc); + radeon_ring_write(ring, src_offset & 0xfffffffc); + radeon_ring_write(ring, (((upper_32_bits(dst_offset) & 0xff) << 16) | + (upper_32_bits(src_offset) & 0xff))); + src_offset += cur_size_in_dw * 4; + dst_offset += cur_size_in_dw * 4; + } + + 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; + } diff --cc drivers/gpu/drm/radeon/uvd_v1_0.c index 000000000000,3426be9aa38a..7266805d9786 mode 000000,100644..100644 --- a/drivers/gpu/drm/radeon/uvd_v1_0.c +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c @@@ -1,0 -1,436 +1,436 @@@ + /* + * Copyright 2013 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Christian König + */ + + #include + #include "radeon.h" + #include "radeon_asic.h" + #include "r600d.h" + + /** + * uvd_v1_0_get_rptr - get read pointer + * + * @rdev: radeon_device pointer + * @ring: radeon_ring pointer + * + * Returns the current hardware read pointer + */ + uint32_t uvd_v1_0_get_rptr(struct radeon_device *rdev, + struct radeon_ring *ring) + { + return RREG32(UVD_RBC_RB_RPTR); + } + + /** + * uvd_v1_0_get_wptr - get write pointer + * + * @rdev: radeon_device pointer + * @ring: radeon_ring pointer + * + * Returns the current hardware write pointer + */ + uint32_t uvd_v1_0_get_wptr(struct radeon_device *rdev, + struct radeon_ring *ring) + { + return RREG32(UVD_RBC_RB_WPTR); + } + + /** + * uvd_v1_0_set_wptr - set write pointer + * + * @rdev: radeon_device pointer + * @ring: radeon_ring pointer + * + * Commits the write pointer to the hardware + */ + void uvd_v1_0_set_wptr(struct radeon_device *rdev, + struct radeon_ring *ring) + { + WREG32(UVD_RBC_RB_WPTR, ring->wptr); + } + + /** + * uvd_v1_0_init - start and test UVD block + * + * @rdev: radeon_device pointer + * + * Initialize the hardware, boot up the VCPU and do some testing + */ + int uvd_v1_0_init(struct radeon_device *rdev) + { + struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX]; + uint32_t tmp; + int r; + + /* raise clocks while booting up the VCPU */ + radeon_set_uvd_clocks(rdev, 53300, 40000); + + r = uvd_v1_0_start(rdev); + if (r) + goto done; + + ring->ready = true; + r = radeon_ring_test(rdev, R600_RING_TYPE_UVD_INDEX, ring); + if (r) { + ring->ready = false; + goto done; + } + + r = radeon_ring_lock(rdev, ring, 10); + if (r) { + DRM_ERROR("radeon: ring failed to lock UVD ring (%d).\n", r); + goto done; + } + + tmp = PACKET0(UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); + radeon_ring_write(ring, tmp); + radeon_ring_write(ring, 0xFFFFF); + + tmp = PACKET0(UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); + radeon_ring_write(ring, tmp); + radeon_ring_write(ring, 0xFFFFF); + + tmp = PACKET0(UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); + radeon_ring_write(ring, tmp); + radeon_ring_write(ring, 0xFFFFF); + + /* Clear timeout status bits */ + radeon_ring_write(ring, PACKET0(UVD_SEMA_TIMEOUT_STATUS, 0)); + radeon_ring_write(ring, 0x8); + + radeon_ring_write(ring, PACKET0(UVD_SEMA_CNTL, 0)); + radeon_ring_write(ring, 3); + + radeon_ring_unlock_commit(rdev, ring); + + done: + /* lower clocks again */ + radeon_set_uvd_clocks(rdev, 0, 0); + + if (!r) + DRM_INFO("UVD initialized successfully.\n"); + + return r; + } + + /** + * uvd_v1_0_fini - stop the hardware block + * + * @rdev: radeon_device pointer + * + * Stop the UVD block, mark ring as not ready any more + */ + void uvd_v1_0_fini(struct radeon_device *rdev) + { + struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX]; + + uvd_v1_0_stop(rdev); + ring->ready = false; + } + + /** + * uvd_v1_0_start - start UVD block + * + * @rdev: radeon_device pointer + * + * Setup and start the UVD block + */ + int uvd_v1_0_start(struct radeon_device *rdev) + { + struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX]; + uint32_t rb_bufsz; + int i, j, r; + + /* disable byte swapping */ + u32 lmi_swap_cntl = 0; + u32 mp_swap_cntl = 0; + + /* disable clock gating */ + WREG32(UVD_CGC_GATE, 0); + + /* disable interupt */ + WREG32_P(UVD_MASTINT_EN, 0, ~(1 << 1)); + + /* Stall UMC and register bus before resetting VCPU */ + WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); + WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3)); + mdelay(1); + + /* put LMI, VCPU, RBC etc... into reset */ + WREG32(UVD_SOFT_RESET, LMI_SOFT_RESET | VCPU_SOFT_RESET | + LBSI_SOFT_RESET | RBC_SOFT_RESET | CSM_SOFT_RESET | + CXW_SOFT_RESET | TAP_SOFT_RESET | LMI_UMC_SOFT_RESET); + mdelay(5); + + /* take UVD block out of reset */ + WREG32_P(SRBM_SOFT_RESET, 0, ~SOFT_RESET_UVD); + mdelay(5); + + /* initialize UVD memory controller */ + WREG32(UVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | + (1 << 21) | (1 << 9) | (1 << 20)); + + #ifdef __BIG_ENDIAN + /* swap (8 in 32) RB and IB */ + lmi_swap_cntl = 0xa; + mp_swap_cntl = 0; + #endif + WREG32(UVD_LMI_SWAP_CNTL, lmi_swap_cntl); + WREG32(UVD_MP_SWAP_CNTL, mp_swap_cntl); + + WREG32(UVD_MPC_SET_MUXA0, 0x40c2040); + WREG32(UVD_MPC_SET_MUXA1, 0x0); + WREG32(UVD_MPC_SET_MUXB0, 0x40c2040); + WREG32(UVD_MPC_SET_MUXB1, 0x0); + WREG32(UVD_MPC_SET_ALU, 0); + WREG32(UVD_MPC_SET_MUX, 0x88); + + /* take all subblocks out of reset, except VCPU */ + WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET); + mdelay(5); + + /* enable VCPU clock */ + WREG32(UVD_VCPU_CNTL, 1 << 9); + + /* enable UMC */ + WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8)); + + /* boot up the VCPU */ + WREG32(UVD_SOFT_RESET, 0); + mdelay(10); + + WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3)); + + for (i = 0; i < 10; ++i) { + uint32_t status; + for (j = 0; j < 100; ++j) { + status = RREG32(UVD_STATUS); + if (status & 2) + break; + mdelay(10); + } + r = 0; + if (status & 2) + break; + + DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); + WREG32_P(UVD_SOFT_RESET, VCPU_SOFT_RESET, ~VCPU_SOFT_RESET); + mdelay(10); + WREG32_P(UVD_SOFT_RESET, 0, ~VCPU_SOFT_RESET); + mdelay(10); + r = -1; + } + + if (r) { + DRM_ERROR("UVD not responding, giving up!!!\n"); + return r; + } + + /* enable interupt */ + WREG32_P(UVD_MASTINT_EN, 3<<1, ~(3 << 1)); + + /* force RBC into idle state */ + WREG32(UVD_RBC_RB_CNTL, 0x11010101); + + /* Set the write pointer delay */ + WREG32(UVD_RBC_RB_WPTR_CNTL, 0); + + /* programm the 4GB memory segment for rptr and ring buffer */ + WREG32(UVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) | + (0x7 << 16) | (0x1 << 31)); + + /* Initialize the ring buffer's read and write pointers */ + WREG32(UVD_RBC_RB_RPTR, 0x0); + + ring->wptr = ring->rptr = RREG32(UVD_RBC_RB_RPTR); + WREG32(UVD_RBC_RB_WPTR, ring->wptr); + + /* set the ring address */ + WREG32(UVD_RBC_RB_BASE, ring->gpu_addr); + + /* Set ring buffer size */ - rb_bufsz = drm_order(ring->ring_size); ++ rb_bufsz = order_base_2(ring->ring_size); + rb_bufsz = (0x1 << 8) | rb_bufsz; + WREG32_P(UVD_RBC_RB_CNTL, rb_bufsz, ~0x11f1f); + + return 0; + } + + /** + * uvd_v1_0_stop - stop UVD block + * + * @rdev: radeon_device pointer + * + * stop the UVD block + */ + void uvd_v1_0_stop(struct radeon_device *rdev) + { + /* force RBC into idle state */ + WREG32(UVD_RBC_RB_CNTL, 0x11010101); + + /* Stall UMC and register bus before resetting VCPU */ + WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); + WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3)); + mdelay(1); + + /* put VCPU into reset */ + WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET); + mdelay(5); + + /* disable VCPU clock */ + WREG32(UVD_VCPU_CNTL, 0x0); + + /* Unstall UMC and register bus */ + WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8)); + WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3)); + } + + /** + * uvd_v1_0_ring_test - register write test + * + * @rdev: radeon_device pointer + * @ring: radeon_ring pointer + * + * Test if we can successfully write to the context register + */ + int uvd_v1_0_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) + { + uint32_t tmp = 0; + unsigned i; + int r; + + WREG32(UVD_CONTEXT_ID, 0xCAFEDEAD); + r = radeon_ring_lock(rdev, ring, 3); + if (r) { + DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", + ring->idx, r); + return r; + } + radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0)); + radeon_ring_write(ring, 0xDEADBEEF); + radeon_ring_unlock_commit(rdev, ring); + for (i = 0; i < rdev->usec_timeout; i++) { + tmp = RREG32(UVD_CONTEXT_ID); + if (tmp == 0xDEADBEEF) + break; + DRM_UDELAY(1); + } + + if (i < rdev->usec_timeout) { + DRM_INFO("ring test on %d succeeded in %d usecs\n", + ring->idx, i); + } else { + DRM_ERROR("radeon: ring %d test failed (0x%08X)\n", + ring->idx, tmp); + r = -EINVAL; + } + return r; + } + + /** + * uvd_v1_0_semaphore_emit - emit semaphore command + * + * @rdev: radeon_device pointer + * @ring: radeon_ring pointer + * @semaphore: semaphore to emit commands for + * @emit_wait: true if we should emit a wait command + * + * Emit a semaphore command (either wait or signal) to the UVD ring. + */ + void uvd_v1_0_semaphore_emit(struct radeon_device *rdev, + struct radeon_ring *ring, + struct radeon_semaphore *semaphore, + bool emit_wait) + { + uint64_t addr = semaphore->gpu_addr; + + radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0)); + radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF); + + radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0)); + radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF); + + radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0)); + radeon_ring_write(ring, emit_wait ? 1 : 0); + } + + /** + * uvd_v1_0_ib_execute - execute indirect buffer + * + * @rdev: radeon_device pointer + * @ib: indirect buffer to execute + * + * Write ring commands to execute the indirect buffer + */ + void uvd_v1_0_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) + { + struct radeon_ring *ring = &rdev->ring[ib->ring]; + + radeon_ring_write(ring, PACKET0(UVD_RBC_IB_BASE, 0)); + radeon_ring_write(ring, ib->gpu_addr); + radeon_ring_write(ring, PACKET0(UVD_RBC_IB_SIZE, 0)); + radeon_ring_write(ring, ib->length_dw); + } + + /** + * uvd_v1_0_ib_test - test ib execution + * + * @rdev: radeon_device pointer + * @ring: radeon_ring pointer + * + * Test if we can successfully execute an IB + */ + int uvd_v1_0_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) + { + struct radeon_fence *fence = NULL; + int r; + + r = radeon_set_uvd_clocks(rdev, 53300, 40000); + if (r) { + DRM_ERROR("radeon: failed to raise UVD clocks (%d).\n", r); + return r; + } + + r = radeon_uvd_get_create_msg(rdev, ring->idx, 1, NULL); + if (r) { + DRM_ERROR("radeon: failed to get create msg (%d).\n", r); + goto error; + } + + r = radeon_uvd_get_destroy_msg(rdev, ring->idx, 1, &fence); + if (r) { + DRM_ERROR("radeon: failed to get destroy ib (%d).\n", r); + goto error; + } + + r = radeon_fence_wait(fence, false); + if (r) { + DRM_ERROR("radeon: fence wait failed (%d).\n", r); + goto error; + } + DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + error: + radeon_fence_unref(&fence); + radeon_set_uvd_clocks(rdev, 0, 0); + return r; + }