/* * Copyright 2011 Advanced Micro Devices, Inc. * All Rights Reserved. * * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * */ /* * Authors: * Christian König */ #include #include #include #include #include "radeon.h" #include "radeon_ucode.h" #include "r600d.h" /* 1 second timeout */ #define UVD_IDLE_TIMEOUT_MS 1000 /* Firmware Names */ #define FIRMWARE_R600 "radeon/R600_uvd.bin" #define FIRMWARE_RS780 "radeon/RS780_uvd.bin" #define FIRMWARE_RV770 "radeon/RV770_uvd.bin" #define FIRMWARE_RV710 "radeon/RV710_uvd.bin" #define FIRMWARE_CYPRESS "radeon/CYPRESS_uvd.bin" #define FIRMWARE_SUMO "radeon/SUMO_uvd.bin" #define FIRMWARE_TAHITI "radeon/TAHITI_uvd.bin" #define FIRMWARE_BONAIRE_LEGACY "radeon/BONAIRE_uvd.bin" #define FIRMWARE_BONAIRE "radeon/bonaire_uvd.bin" MODULE_FIRMWARE(FIRMWARE_R600); MODULE_FIRMWARE(FIRMWARE_RS780); MODULE_FIRMWARE(FIRMWARE_RV770); MODULE_FIRMWARE(FIRMWARE_RV710); MODULE_FIRMWARE(FIRMWARE_CYPRESS); MODULE_FIRMWARE(FIRMWARE_SUMO); MODULE_FIRMWARE(FIRMWARE_TAHITI); MODULE_FIRMWARE(FIRMWARE_BONAIRE_LEGACY); MODULE_FIRMWARE(FIRMWARE_BONAIRE); static void radeon_uvd_idle_work_handler(struct work_struct *work); int radeon_uvd_init(struct radeon_device *rdev) { unsigned long bo_size; const char *fw_name = NULL, *legacy_fw_name = NULL; int i, r; INIT_DELAYED_WORK(&rdev->uvd.idle_work, radeon_uvd_idle_work_handler); switch (rdev->family) { case CHIP_RV610: case CHIP_RV630: case CHIP_RV670: case CHIP_RV620: case CHIP_RV635: legacy_fw_name = FIRMWARE_R600; break; case CHIP_RS780: case CHIP_RS880: legacy_fw_name = FIRMWARE_RS780; break; case CHIP_RV770: legacy_fw_name = FIRMWARE_RV770; break; case CHIP_RV710: case CHIP_RV730: case CHIP_RV740: legacy_fw_name = FIRMWARE_RV710; break; case CHIP_CYPRESS: case CHIP_HEMLOCK: case CHIP_JUNIPER: case CHIP_REDWOOD: case CHIP_CEDAR: legacy_fw_name = FIRMWARE_CYPRESS; break; case CHIP_SUMO: case CHIP_SUMO2: case CHIP_PALM: case CHIP_CAYMAN: case CHIP_BARTS: case CHIP_TURKS: case CHIP_CAICOS: legacy_fw_name = FIRMWARE_SUMO; break; case CHIP_TAHITI: case CHIP_VERDE: case CHIP_PITCAIRN: case CHIP_ARUBA: case CHIP_OLAND: legacy_fw_name = FIRMWARE_TAHITI; break; case CHIP_BONAIRE: case CHIP_KABINI: case CHIP_KAVERI: case CHIP_HAWAII: case CHIP_MULLINS: legacy_fw_name = FIRMWARE_BONAIRE_LEGACY; fw_name = FIRMWARE_BONAIRE; break; default: return -EINVAL; } rdev->uvd.fw_header_present = false; rdev->uvd.max_handles = RADEON_DEFAULT_UVD_HANDLES; if (fw_name) { /* Let's try to load the newer firmware first */ r = request_firmware(&rdev->uvd_fw, fw_name, rdev->dev); if (r) { dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n", fw_name); } else { struct common_firmware_header *hdr = (void *)rdev->uvd_fw->data; unsigned version_major, version_minor, family_id; r = radeon_ucode_validate(rdev->uvd_fw); if (r) return r; rdev->uvd.fw_header_present = true; family_id = le32_to_cpu(hdr->ucode_version) & 0xff; version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff; version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff; DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n", version_major, version_minor, family_id); /* * Limit the number of UVD handles depending on * microcode major and minor versions. */ if ((version_major >= 0x01) && (version_minor >= 0x37)) rdev->uvd.max_handles = RADEON_MAX_UVD_HANDLES; } } /* * In case there is only legacy firmware, or we encounter an error * while loading the new firmware, we fall back to loading the legacy * firmware now. */ if (!fw_name || r) { r = request_firmware(&rdev->uvd_fw, legacy_fw_name, rdev->dev); if (r) { dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n", legacy_fw_name); return r; } } bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) + RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE + RADEON_UVD_SESSION_SIZE * rdev->uvd.max_handles; r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, 0, NULL, NULL, &rdev->uvd.vcpu_bo); if (r) { dev_err(rdev->dev, "(%d) failed to allocate UVD bo\n", r); return r; } r = radeon_bo_reserve(rdev->uvd.vcpu_bo, false); if (r) { radeon_bo_unref(&rdev->uvd.vcpu_bo); dev_err(rdev->dev, "(%d) failed to reserve UVD bo\n", r); return r; } r = radeon_bo_pin(rdev->uvd.vcpu_bo, RADEON_GEM_DOMAIN_VRAM, &rdev->uvd.gpu_addr); if (r) { radeon_bo_unreserve(rdev->uvd.vcpu_bo); radeon_bo_unref(&rdev->uvd.vcpu_bo); dev_err(rdev->dev, "(%d) UVD bo pin failed\n", r); return r; } r = radeon_bo_kmap(rdev->uvd.vcpu_bo, &rdev->uvd.cpu_addr); if (r) { dev_err(rdev->dev, "(%d) UVD map failed\n", r); return r; } radeon_bo_unreserve(rdev->uvd.vcpu_bo); for (i = 0; i < rdev->uvd.max_handles; ++i) { atomic_set(&rdev->uvd.handles[i], 0); rdev->uvd.filp[i] = NULL; rdev->uvd.img_size[i] = 0; } return 0; } void radeon_uvd_fini(struct radeon_device *rdev) { int r; if (rdev->uvd.vcpu_bo == NULL) return; r = radeon_bo_reserve(rdev->uvd.vcpu_bo, false); if (!r) { radeon_bo_kunmap(rdev->uvd.vcpu_bo); radeon_bo_unpin(rdev->uvd.vcpu_bo); radeon_bo_unreserve(rdev->uvd.vcpu_bo); } radeon_bo_unref(&rdev->uvd.vcpu_bo); radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX]); release_firmware(rdev->uvd_fw); } int radeon_uvd_suspend(struct radeon_device *rdev) { int i, r; if (rdev->uvd.vcpu_bo == NULL) return 0; for (i = 0; i < rdev->uvd.max_handles; ++i) { uint32_t handle = atomic_read(&rdev->uvd.handles[i]); if (handle != 0) { struct radeon_fence *fence; radeon_uvd_note_usage(rdev); r = radeon_uvd_get_destroy_msg(rdev, R600_RING_TYPE_UVD_INDEX, handle, &fence); if (r) { DRM_ERROR("Error destroying UVD (%d)!\n", r); continue; } radeon_fence_wait(fence, false); radeon_fence_unref(&fence); rdev->uvd.filp[i] = NULL; atomic_set(&rdev->uvd.handles[i], 0); } } return 0; } int radeon_uvd_resume(struct radeon_device *rdev) { unsigned size; void *ptr; if (rdev->uvd.vcpu_bo == NULL) return -EINVAL; memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size); size = radeon_bo_size(rdev->uvd.vcpu_bo); size -= rdev->uvd_fw->size; ptr = rdev->uvd.cpu_addr; ptr += rdev->uvd_fw->size; memset(ptr, 0, size); return 0; } void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo, uint32_t allowed_domains) { int i; for (i = 0; i < rbo->placement.num_placement; ++i) { rbo->placements[i].fpfn = 0 >> PAGE_SHIFT; rbo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT; } /* If it must be in VRAM it must be in the first segment as well */ if (allowed_domains == RADEON_GEM_DOMAIN_VRAM) return; /* abort if we already have more than one placement */ if (rbo->placement.num_placement > 1) return; /* add another 256MB segment */ rbo->placements[1] = rbo->placements[0]; rbo->placements[1].fpfn += (256 * 1024 * 1024) >> PAGE_SHIFT; rbo->placements[1].lpfn += (256 * 1024 * 1024) >> PAGE_SHIFT; rbo->placement.num_placement++; rbo->placement.num_busy_placement++; } void radeon_uvd_free_handles(struct radeon_device *rdev, struct drm_file *filp) { int i, r; for (i = 0; i < rdev->uvd.max_handles; ++i) { uint32_t handle = atomic_read(&rdev->uvd.handles[i]); if (handle != 0 && rdev->uvd.filp[i] == filp) { struct radeon_fence *fence; radeon_uvd_note_usage(rdev); r = radeon_uvd_get_destroy_msg(rdev, R600_RING_TYPE_UVD_INDEX, handle, &fence); if (r) { DRM_ERROR("Error destroying UVD (%d)!\n", r); continue; } radeon_fence_wait(fence, false); radeon_fence_unref(&fence); rdev->uvd.filp[i] = NULL; atomic_set(&rdev->uvd.handles[i], 0); } } } static int radeon_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[]) { unsigned stream_type = msg[4]; unsigned width = msg[6]; unsigned height = msg[7]; unsigned dpb_size = msg[9]; unsigned pitch = msg[28]; unsigned width_in_mb = width / 16; unsigned height_in_mb = ALIGN(height / 16, 2); unsigned image_size, tmp, min_dpb_size; image_size = width * height; image_size += image_size / 2; image_size = ALIGN(image_size, 1024); switch (stream_type) { case 0: /* H264 */ /* reference picture buffer */ min_dpb_size = image_size * 17; /* macroblock context buffer */ min_dpb_size += width_in_mb * height_in_mb * 17 * 192; /* IT surface buffer */ min_dpb_size += width_in_mb * height_in_mb * 32; break; case 1: /* VC1 */ /* reference picture buffer */ min_dpb_size = image_size * 3; /* CONTEXT_BUFFER */ min_dpb_size += width_in_mb * height_in_mb * 128; /* IT surface buffer */ min_dpb_size += width_in_mb * 64; /* DB surface buffer */ min_dpb_size += width_in_mb * 128; /* BP */ tmp = max(width_in_mb, height_in_mb); min_dpb_size += ALIGN(tmp * 7 * 16, 64); break; case 3: /* MPEG2 */ /* reference picture buffer */ min_dpb_size = image_size * 3; break; case 4: /* MPEG4 */ /* reference picture buffer */ min_dpb_size = image_size * 3; /* CM */ min_dpb_size += width_in_mb * height_in_mb * 64; /* IT surface buffer */ min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64); break; default: DRM_ERROR("UVD codec not handled %d!\n", stream_type); return -EINVAL; } if (width > pitch) { DRM_ERROR("Invalid UVD decoding target pitch!\n"); return -EINVAL; } if (dpb_size < min_dpb_size) { DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n", dpb_size, min_dpb_size); return -EINVAL; } buf_sizes[0x1] = dpb_size; buf_sizes[0x2] = image_size; return 0; } static int radeon_uvd_validate_codec(struct radeon_cs_parser *p, unsigned stream_type) { switch (stream_type) { case 0: /* H264 */ case 1: /* VC1 */ /* always supported */ return 0; case 3: /* MPEG2 */ case 4: /* MPEG4 */ /* only since UVD 3 */ if (p->rdev->family >= CHIP_PALM) return 0; /* fall through */ default: DRM_ERROR("UVD codec not supported by hardware %d!\n", stream_type); return -EINVAL; } } static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, unsigned offset, unsigned buf_sizes[]) { int32_t *msg, msg_type, handle; unsigned img_size = 0; struct fence *f; void *ptr; int i, r; if (offset & 0x3F) { DRM_ERROR("UVD messages must be 64 byte aligned!\n"); return -EINVAL; } f = reservation_object_get_excl(bo->tbo.resv); if (f) { r = radeon_fence_wait((struct radeon_fence *)f, false); if (r) { DRM_ERROR("Failed waiting for UVD message (%d)!\n", r); return r; } } r = radeon_bo_kmap(bo, &ptr); if (r) { DRM_ERROR("Failed mapping the UVD message (%d)!\n", r); return r; } msg = ptr + offset; msg_type = msg[1]; handle = msg[2]; if (handle == 0) { DRM_ERROR("Invalid UVD handle!\n"); return -EINVAL; } switch (msg_type) { case 0: /* it's a create msg, calc image size (width * height) */ img_size = msg[7] * msg[8]; r = radeon_uvd_validate_codec(p, msg[4]); radeon_bo_kunmap(bo); if (r) return r; /* try to alloc a new handle */ for (i = 0; i < p->rdev->uvd.max_handles; ++i) { if (atomic_read(&p->rdev->uvd.handles[i]) == handle) { DRM_ERROR("Handle 0x%x already in use!\n", handle); return -EINVAL; } if (!atomic_cmpxchg(&p->rdev->uvd.handles[i], 0, handle)) { p->rdev->uvd.filp[i] = p->filp; p->rdev->uvd.img_size[i] = img_size; return 0; } } DRM_ERROR("No more free UVD handles!\n"); return -EINVAL; case 1: /* it's a decode msg, validate codec and calc buffer sizes */ r = radeon_uvd_validate_codec(p, msg[4]); if (!r) r = radeon_uvd_cs_msg_decode(msg, buf_sizes); radeon_bo_kunmap(bo); if (r) return r; /* validate the handle */ for (i = 0; i < p->rdev->uvd.max_handles; ++i) { if (atomic_read(&p->rdev->uvd.handles[i]) == handle) { if (p->rdev->uvd.filp[i] != p->filp) { DRM_ERROR("UVD handle collision detected!\n"); return -EINVAL; } return 0; } } DRM_ERROR("Invalid UVD handle 0x%x!\n", handle); return -ENOENT; case 2: /* it's a destroy msg, free the handle */ for (i = 0; i < p->rdev->uvd.max_handles; ++i) atomic_cmpxchg(&p->rdev->uvd.handles[i], handle, 0); radeon_bo_kunmap(bo); return 0; default: DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type); return -EINVAL; } BUG(); return -EINVAL; } static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, int data0, int data1, unsigned buf_sizes[], bool *has_msg_cmd) { struct radeon_cs_chunk *relocs_chunk; struct radeon_bo_list *reloc; unsigned idx, cmd, offset; uint64_t start, end; int r; relocs_chunk = p->chunk_relocs; offset = radeon_get_ib_value(p, data0); idx = radeon_get_ib_value(p, data1); if (idx >= relocs_chunk->length_dw) { DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", idx, relocs_chunk->length_dw); return -EINVAL; } reloc = &p->relocs[(idx / 4)]; start = reloc->gpu_offset; end = start + radeon_bo_size(reloc->robj); start += offset; p->ib.ptr[data0] = start & 0xFFFFFFFF; p->ib.ptr[data1] = start >> 32; cmd = radeon_get_ib_value(p, p->idx) >> 1; if (cmd < 0x4) { if (end <= start) { DRM_ERROR("invalid reloc offset %X!\n", offset); return -EINVAL; } if ((end - start) < buf_sizes[cmd]) { DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd, (unsigned)(end - start), buf_sizes[cmd]); return -EINVAL; } } else if (cmd != 0x100) { DRM_ERROR("invalid UVD command %X!\n", cmd); return -EINVAL; } if ((start >> 28) != ((end - 1) >> 28)) { DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n", start, end); return -EINVAL; } /* TODO: is this still necessary on NI+ ? */ if ((cmd == 0 || cmd == 0x3) && (start >> 28) != (p->rdev->uvd.gpu_addr >> 28)) { DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n", start, end); return -EINVAL; } if (cmd == 0) { if (*has_msg_cmd) { DRM_ERROR("More than one message in a UVD-IB!\n"); return -EINVAL; } *has_msg_cmd = true; r = radeon_uvd_cs_msg(p, reloc->robj, offset, buf_sizes); if (r) return r; } else if (!*has_msg_cmd) { DRM_ERROR("Message needed before other commands are send!\n"); return -EINVAL; } return 0; } static int radeon_uvd_cs_reg(struct radeon_cs_parser *p, struct radeon_cs_packet *pkt, int *data0, int *data1, unsigned buf_sizes[], bool *has_msg_cmd) { int i, r; p->idx++; for (i = 0; i <= pkt->count; ++i) { switch (pkt->reg + i*4) { case UVD_GPCOM_VCPU_DATA0: *data0 = p->idx; break; case UVD_GPCOM_VCPU_DATA1: *data1 = p->idx; break; case UVD_GPCOM_VCPU_CMD: r = radeon_uvd_cs_reloc(p, *data0, *data1, buf_sizes, has_msg_cmd); if (r) return r; break; case UVD_ENGINE_CNTL: case UVD_NO_OP: break; default: DRM_ERROR("Invalid reg 0x%X!\n", pkt->reg + i*4); return -EINVAL; } p->idx++; } return 0; } int radeon_uvd_cs_parse(struct radeon_cs_parser *p) { struct radeon_cs_packet pkt; int r, data0 = 0, data1 = 0; /* does the IB has a msg command */ bool has_msg_cmd = false; /* minimum buffer sizes */ unsigned buf_sizes[] = { [0x00000000] = 2048, [0x00000001] = 32 * 1024 * 1024, [0x00000002] = 2048 * 1152 * 3, [0x00000003] = 2048, }; if (p->chunk_ib->length_dw % 16) { DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n", p->chunk_ib->length_dw); return -EINVAL; } if (p->chunk_relocs == NULL) { DRM_ERROR("No relocation chunk !\n"); return -EINVAL; } do { r = radeon_cs_packet_parse(p, &pkt, p->idx); if (r) return r; switch (pkt.type) { case RADEON_PACKET_TYPE0: r = radeon_uvd_cs_reg(p, &pkt, &data0, &data1, buf_sizes, &has_msg_cmd); if (r) return r; break; case RADEON_PACKET_TYPE2: p->idx += pkt.count + 2; break; default: DRM_ERROR("Unknown packet type %d !\n", pkt.type); return -EINVAL; } } while (p->idx < p->chunk_ib->length_dw); if (!has_msg_cmd) { DRM_ERROR("UVD-IBs need a msg command!\n"); return -EINVAL; } return 0; } static int radeon_uvd_send_msg(struct radeon_device *rdev, int ring, uint64_t addr, struct radeon_fence **fence) { struct radeon_ib ib; int i, r; r = radeon_ib_get(rdev, ring, &ib, NULL, 64); if (r) return r; ib.ptr[0] = PACKET0(UVD_GPCOM_VCPU_DATA0, 0); ib.ptr[1] = addr; ib.ptr[2] = PACKET0(UVD_GPCOM_VCPU_DATA1, 0); ib.ptr[3] = addr >> 32; ib.ptr[4] = PACKET0(UVD_GPCOM_VCPU_CMD, 0); ib.ptr[5] = 0; for (i = 6; i < 16; ++i) ib.ptr[i] = PACKET2(0); ib.length_dw = 16; r = radeon_ib_schedule(rdev, &ib, NULL, false); if (fence) *fence = radeon_fence_ref(ib.fence); radeon_ib_free(rdev, &ib); return r; } /* * multiple fence commands without any stream commands in between can * crash the vcpu so just try to emmit a dummy create/destroy msg to * avoid this */ int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring, uint32_t handle, struct radeon_fence **fence) { /* we use the last page of the vcpu bo for the UVD message */ uint64_t offs = radeon_bo_size(rdev->uvd.vcpu_bo) - RADEON_GPU_PAGE_SIZE; uint32_t *msg = rdev->uvd.cpu_addr + offs; uint64_t addr = rdev->uvd.gpu_addr + offs; int r, i; r = radeon_bo_reserve(rdev->uvd.vcpu_bo, true); if (r) return r; /* stitch together an UVD create msg */ msg[0] = cpu_to_le32(0x00000de4); msg[1] = cpu_to_le32(0x00000000); msg[2] = cpu_to_le32(handle); msg[3] = cpu_to_le32(0x00000000); msg[4] = cpu_to_le32(0x00000000); msg[5] = cpu_to_le32(0x00000000); msg[6] = cpu_to_le32(0x00000000); msg[7] = cpu_to_le32(0x00000780); msg[8] = cpu_to_le32(0x00000440); msg[9] = cpu_to_le32(0x00000000); msg[10] = cpu_to_le32(0x01b37000); for (i = 11; i < 1024; ++i) msg[i] = cpu_to_le32(0x0); r = radeon_uvd_send_msg(rdev, ring, addr, fence); radeon_bo_unreserve(rdev->uvd.vcpu_bo); return r; } int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring, uint32_t handle, struct radeon_fence **fence) { /* we use the last page of the vcpu bo for the UVD message */ uint64_t offs = radeon_bo_size(rdev->uvd.vcpu_bo) - RADEON_GPU_PAGE_SIZE; uint32_t *msg = rdev->uvd.cpu_addr + offs; uint64_t addr = rdev->uvd.gpu_addr + offs; int r, i; r = radeon_bo_reserve(rdev->uvd.vcpu_bo, true); if (r) return r; /* stitch together an UVD destroy msg */ msg[0] = cpu_to_le32(0x00000de4); msg[1] = cpu_to_le32(0x00000002); msg[2] = cpu_to_le32(handle); msg[3] = cpu_to_le32(0x00000000); for (i = 4; i < 1024; ++i) msg[i] = cpu_to_le32(0x0); r = radeon_uvd_send_msg(rdev, ring, addr, fence); radeon_bo_unreserve(rdev->uvd.vcpu_bo); return r; } /** * radeon_uvd_count_handles - count number of open streams * * @rdev: radeon_device pointer * @sd: number of SD streams * @hd: number of HD streams * * Count the number of open SD/HD streams as a hint for power mangement */ static void radeon_uvd_count_handles(struct radeon_device *rdev, unsigned *sd, unsigned *hd) { unsigned i; *sd = 0; *hd = 0; for (i = 0; i < rdev->uvd.max_handles; ++i) { if (!atomic_read(&rdev->uvd.handles[i])) continue; if (rdev->uvd.img_size[i] >= 720*576) ++(*hd); else ++(*sd); } } static void radeon_uvd_idle_work_handler(struct work_struct *work) { struct radeon_device *rdev = container_of(work, struct radeon_device, uvd.idle_work.work); if (radeon_fence_count_emitted(rdev, R600_RING_TYPE_UVD_INDEX) == 0) { if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { radeon_uvd_count_handles(rdev, &rdev->pm.dpm.sd, &rdev->pm.dpm.hd); radeon_dpm_enable_uvd(rdev, false); } else { radeon_set_uvd_clocks(rdev, 0, 0); } } else { schedule_delayed_work(&rdev->uvd.idle_work, msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS)); } } void radeon_uvd_note_usage(struct radeon_device *rdev) { bool streams_changed = false; bool set_clocks = !cancel_delayed_work_sync(&rdev->uvd.idle_work); set_clocks &= schedule_delayed_work(&rdev->uvd.idle_work, msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS)); if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { unsigned hd = 0, sd = 0; radeon_uvd_count_handles(rdev, &sd, &hd); if ((rdev->pm.dpm.sd != sd) || (rdev->pm.dpm.hd != hd)) { rdev->pm.dpm.sd = sd; rdev->pm.dpm.hd = hd; /* disable this for now */ /*streams_changed = true;*/ } } if (set_clocks || streams_changed) { if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { radeon_dpm_enable_uvd(rdev, true); } else { radeon_set_uvd_clocks(rdev, 53300, 40000); } } } static unsigned radeon_uvd_calc_upll_post_div(unsigned vco_freq, unsigned target_freq, unsigned pd_min, unsigned pd_even) { unsigned post_div = vco_freq / target_freq; /* adjust to post divider minimum value */ if (post_div < pd_min) post_div = pd_min; /* we alway need a frequency less than or equal the target */ if ((vco_freq / post_div) > target_freq) post_div += 1; /* post dividers above a certain value must be even */ if (post_div > pd_even && post_div % 2) post_div += 1; return post_div; } /** * radeon_uvd_calc_upll_dividers - calc UPLL clock dividers * * @rdev: radeon_device pointer * @vclk: wanted VCLK * @dclk: wanted DCLK * @vco_min: minimum VCO frequency * @vco_max: maximum VCO frequency * @fb_factor: factor to multiply vco freq with * @fb_mask: limit and bitmask for feedback divider * @pd_min: post divider minimum * @pd_max: post divider maximum * @pd_even: post divider must be even above this value * @optimal_fb_div: resulting feedback divider * @optimal_vclk_div: resulting vclk post divider * @optimal_dclk_div: resulting dclk post divider * * Calculate dividers for UVDs UPLL (R6xx-SI, except APUs). * Returns zero on success -EINVAL on error. */ int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev, unsigned vclk, unsigned dclk, unsigned vco_min, unsigned vco_max, unsigned fb_factor, unsigned fb_mask, unsigned pd_min, unsigned pd_max, unsigned pd_even, unsigned *optimal_fb_div, unsigned *optimal_vclk_div, unsigned *optimal_dclk_div) { unsigned vco_freq, ref_freq = rdev->clock.spll.reference_freq; /* start off with something large */ unsigned optimal_score = ~0; /* loop through vco from low to high */ vco_min = max(max(vco_min, vclk), dclk); for (vco_freq = vco_min; vco_freq <= vco_max; vco_freq += 100) { uint64_t fb_div = (uint64_t)vco_freq * fb_factor; unsigned vclk_div, dclk_div, score; do_div(fb_div, ref_freq); /* fb div out of range ? */ if (fb_div > fb_mask) break; /* it can oly get worse */ fb_div &= fb_mask; /* calc vclk divider with current vco freq */ vclk_div = radeon_uvd_calc_upll_post_div(vco_freq, vclk, pd_min, pd_even); if (vclk_div > pd_max) break; /* vco is too big, it has to stop */ /* calc dclk divider with current vco freq */ dclk_div = radeon_uvd_calc_upll_post_div(vco_freq, dclk, pd_min, pd_even); if (vclk_div > pd_max) break; /* vco is too big, it has to stop */ /* calc score with current vco freq */ score = vclk - (vco_freq / vclk_div) + dclk - (vco_freq / dclk_div); /* determine if this vco setting is better than current optimal settings */ if (score < optimal_score) { *optimal_fb_div = fb_div; *optimal_vclk_div = vclk_div; *optimal_dclk_div = dclk_div; optimal_score = score; if (optimal_score == 0) break; /* it can't get better than this */ } } /* did we found a valid setup ? */ if (optimal_score == ~0) return -EINVAL; return 0; } int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev, unsigned cg_upll_func_cntl) { unsigned i; /* make sure UPLL_CTLREQ is deasserted */ WREG32_P(cg_upll_func_cntl, 0, ~UPLL_CTLREQ_MASK); mdelay(10); /* assert UPLL_CTLREQ */ WREG32_P(cg_upll_func_cntl, UPLL_CTLREQ_MASK, ~UPLL_CTLREQ_MASK); /* wait for CTLACK and CTLACK2 to get asserted */ for (i = 0; i < 100; ++i) { uint32_t mask = UPLL_CTLACK_MASK | UPLL_CTLACK2_MASK; if ((RREG32(cg_upll_func_cntl) & mask) == mask) break; mdelay(10); } /* deassert UPLL_CTLREQ */ WREG32_P(cg_upll_func_cntl, 0, ~UPLL_CTLREQ_MASK); if (i == 100) { DRM_ERROR("Timeout setting UVD clocks!\n"); return -ETIMEDOUT; } return 0; }