1386 lines
34 KiB
C
1386 lines
34 KiB
C
/*
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* Copyright 2011 Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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*/
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/*
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* Authors:
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* Christian König <deathsimple@vodafone.de>
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*/
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#include <linux/firmware.h>
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#include <linux/module.h>
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#include <drm/drm.h>
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#include <drm/drm_drv.h>
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#include "amdgpu.h"
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#include "amdgpu_pm.h"
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#include "amdgpu_uvd.h"
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#include "amdgpu_cs.h"
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#include "cikd.h"
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#include "uvd/uvd_4_2_d.h"
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#include "amdgpu_ras.h"
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/* 1 second timeout */
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#define UVD_IDLE_TIMEOUT msecs_to_jiffies(1000)
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/* Firmware versions for VI */
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#define FW_1_65_10 ((1 << 24) | (65 << 16) | (10 << 8))
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#define FW_1_87_11 ((1 << 24) | (87 << 16) | (11 << 8))
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#define FW_1_87_12 ((1 << 24) | (87 << 16) | (12 << 8))
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#define FW_1_37_15 ((1 << 24) | (37 << 16) | (15 << 8))
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/* Polaris10/11 firmware version */
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#define FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
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/* Firmware Names */
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#ifdef CONFIG_DRM_AMDGPU_SI
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#define FIRMWARE_TAHITI "amdgpu/tahiti_uvd.bin"
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#define FIRMWARE_VERDE "amdgpu/verde_uvd.bin"
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#define FIRMWARE_PITCAIRN "amdgpu/pitcairn_uvd.bin"
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#define FIRMWARE_OLAND "amdgpu/oland_uvd.bin"
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#endif
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#ifdef CONFIG_DRM_AMDGPU_CIK
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#define FIRMWARE_BONAIRE "amdgpu/bonaire_uvd.bin"
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#define FIRMWARE_KABINI "amdgpu/kabini_uvd.bin"
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#define FIRMWARE_KAVERI "amdgpu/kaveri_uvd.bin"
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#define FIRMWARE_HAWAII "amdgpu/hawaii_uvd.bin"
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#define FIRMWARE_MULLINS "amdgpu/mullins_uvd.bin"
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#endif
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#define FIRMWARE_TONGA "amdgpu/tonga_uvd.bin"
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#define FIRMWARE_CARRIZO "amdgpu/carrizo_uvd.bin"
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#define FIRMWARE_FIJI "amdgpu/fiji_uvd.bin"
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#define FIRMWARE_STONEY "amdgpu/stoney_uvd.bin"
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#define FIRMWARE_POLARIS10 "amdgpu/polaris10_uvd.bin"
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#define FIRMWARE_POLARIS11 "amdgpu/polaris11_uvd.bin"
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#define FIRMWARE_POLARIS12 "amdgpu/polaris12_uvd.bin"
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#define FIRMWARE_VEGAM "amdgpu/vegam_uvd.bin"
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#define FIRMWARE_VEGA10 "amdgpu/vega10_uvd.bin"
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#define FIRMWARE_VEGA12 "amdgpu/vega12_uvd.bin"
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#define FIRMWARE_VEGA20 "amdgpu/vega20_uvd.bin"
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/* These are common relative offsets for all asics, from uvd_7_0_offset.h, */
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#define UVD_GPCOM_VCPU_CMD 0x03c3
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#define UVD_GPCOM_VCPU_DATA0 0x03c4
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#define UVD_GPCOM_VCPU_DATA1 0x03c5
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#define UVD_NO_OP 0x03ff
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#define UVD_BASE_SI 0x3800
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/*
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* amdgpu_uvd_cs_ctx - Command submission parser context
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*
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* Used for emulating virtual memory support on UVD 4.2.
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*/
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struct amdgpu_uvd_cs_ctx {
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struct amdgpu_cs_parser *parser;
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unsigned reg, count;
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unsigned data0, data1;
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unsigned idx;
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struct amdgpu_ib *ib;
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/* does the IB has a msg command */
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bool has_msg_cmd;
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/* minimum buffer sizes */
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unsigned *buf_sizes;
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};
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#ifdef CONFIG_DRM_AMDGPU_SI
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MODULE_FIRMWARE(FIRMWARE_TAHITI);
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MODULE_FIRMWARE(FIRMWARE_VERDE);
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MODULE_FIRMWARE(FIRMWARE_PITCAIRN);
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MODULE_FIRMWARE(FIRMWARE_OLAND);
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#endif
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#ifdef CONFIG_DRM_AMDGPU_CIK
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MODULE_FIRMWARE(FIRMWARE_BONAIRE);
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MODULE_FIRMWARE(FIRMWARE_KABINI);
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MODULE_FIRMWARE(FIRMWARE_KAVERI);
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MODULE_FIRMWARE(FIRMWARE_HAWAII);
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MODULE_FIRMWARE(FIRMWARE_MULLINS);
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#endif
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MODULE_FIRMWARE(FIRMWARE_TONGA);
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MODULE_FIRMWARE(FIRMWARE_CARRIZO);
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MODULE_FIRMWARE(FIRMWARE_FIJI);
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MODULE_FIRMWARE(FIRMWARE_STONEY);
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MODULE_FIRMWARE(FIRMWARE_POLARIS10);
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MODULE_FIRMWARE(FIRMWARE_POLARIS11);
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MODULE_FIRMWARE(FIRMWARE_POLARIS12);
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MODULE_FIRMWARE(FIRMWARE_VEGAM);
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MODULE_FIRMWARE(FIRMWARE_VEGA10);
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MODULE_FIRMWARE(FIRMWARE_VEGA12);
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MODULE_FIRMWARE(FIRMWARE_VEGA20);
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static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
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static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo);
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static int amdgpu_uvd_create_msg_bo_helper(struct amdgpu_device *adev,
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uint32_t size,
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struct amdgpu_bo **bo_ptr)
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{
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struct ttm_operation_ctx ctx = { true, false };
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struct amdgpu_bo *bo = NULL;
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void *addr;
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int r;
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r = amdgpu_bo_create_reserved(adev, size, PAGE_SIZE,
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AMDGPU_GEM_DOMAIN_GTT,
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&bo, NULL, &addr);
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if (r)
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return r;
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if (adev->uvd.address_64_bit)
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goto succ;
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amdgpu_bo_kunmap(bo);
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amdgpu_bo_unpin(bo);
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amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
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amdgpu_uvd_force_into_uvd_segment(bo);
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r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
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if (r)
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goto err;
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r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_VRAM);
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if (r)
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goto err_pin;
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r = amdgpu_bo_kmap(bo, &addr);
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if (r)
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goto err_kmap;
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succ:
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amdgpu_bo_unreserve(bo);
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*bo_ptr = bo;
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return 0;
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err_kmap:
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amdgpu_bo_unpin(bo);
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err_pin:
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err:
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amdgpu_bo_unreserve(bo);
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amdgpu_bo_unref(&bo);
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return r;
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}
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int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
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{
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unsigned long bo_size;
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const char *fw_name;
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const struct common_firmware_header *hdr;
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unsigned family_id;
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int i, j, r;
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INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
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switch (adev->asic_type) {
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#ifdef CONFIG_DRM_AMDGPU_SI
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case CHIP_TAHITI:
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fw_name = FIRMWARE_TAHITI;
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break;
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case CHIP_VERDE:
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fw_name = FIRMWARE_VERDE;
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break;
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case CHIP_PITCAIRN:
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fw_name = FIRMWARE_PITCAIRN;
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break;
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case CHIP_OLAND:
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fw_name = FIRMWARE_OLAND;
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break;
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#endif
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#ifdef CONFIG_DRM_AMDGPU_CIK
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case CHIP_BONAIRE:
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fw_name = FIRMWARE_BONAIRE;
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break;
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case CHIP_KABINI:
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fw_name = FIRMWARE_KABINI;
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break;
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case CHIP_KAVERI:
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fw_name = FIRMWARE_KAVERI;
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break;
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case CHIP_HAWAII:
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fw_name = FIRMWARE_HAWAII;
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break;
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case CHIP_MULLINS:
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fw_name = FIRMWARE_MULLINS;
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break;
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#endif
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case CHIP_TONGA:
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fw_name = FIRMWARE_TONGA;
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break;
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case CHIP_FIJI:
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fw_name = FIRMWARE_FIJI;
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break;
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case CHIP_CARRIZO:
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fw_name = FIRMWARE_CARRIZO;
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break;
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case CHIP_STONEY:
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fw_name = FIRMWARE_STONEY;
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break;
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case CHIP_POLARIS10:
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fw_name = FIRMWARE_POLARIS10;
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break;
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case CHIP_POLARIS11:
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fw_name = FIRMWARE_POLARIS11;
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break;
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case CHIP_POLARIS12:
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fw_name = FIRMWARE_POLARIS12;
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break;
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case CHIP_VEGA10:
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fw_name = FIRMWARE_VEGA10;
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break;
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case CHIP_VEGA12:
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fw_name = FIRMWARE_VEGA12;
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break;
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case CHIP_VEGAM:
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fw_name = FIRMWARE_VEGAM;
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break;
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case CHIP_VEGA20:
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fw_name = FIRMWARE_VEGA20;
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break;
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default:
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return -EINVAL;
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}
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r = amdgpu_ucode_request(adev, &adev->uvd.fw, fw_name);
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if (r) {
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dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
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fw_name);
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amdgpu_ucode_release(&adev->uvd.fw);
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return r;
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}
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/* Set the default UVD handles that the firmware can handle */
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adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
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hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
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family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
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if (adev->asic_type < CHIP_VEGA20) {
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unsigned version_major, version_minor;
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version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
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version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
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DRM_INFO("Found UVD firmware Version: %u.%u Family ID: %u\n",
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version_major, version_minor, family_id);
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/*
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* Limit the number of UVD handles depending on microcode major
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* and minor versions. The firmware version which has 40 UVD
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* instances support is 1.80. So all subsequent versions should
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* also have the same support.
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*/
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if ((version_major > 0x01) ||
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((version_major == 0x01) && (version_minor >= 0x50)))
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adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
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adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
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(family_id << 8));
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if ((adev->asic_type == CHIP_POLARIS10 ||
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adev->asic_type == CHIP_POLARIS11) &&
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(adev->uvd.fw_version < FW_1_66_16))
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DRM_ERROR("POLARIS10/11 UVD firmware version %u.%u is too old.\n",
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version_major, version_minor);
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} else {
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unsigned int enc_major, enc_minor, dec_minor;
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dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
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enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
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enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
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DRM_INFO("Found UVD firmware ENC: %u.%u DEC: .%u Family ID: %u\n",
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enc_major, enc_minor, dec_minor, family_id);
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adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
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adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
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}
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bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
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+ AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
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if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
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bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
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for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
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if (adev->uvd.harvest_config & (1 << j))
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continue;
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r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
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AMDGPU_GEM_DOMAIN_VRAM |
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AMDGPU_GEM_DOMAIN_GTT,
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&adev->uvd.inst[j].vcpu_bo,
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&adev->uvd.inst[j].gpu_addr,
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&adev->uvd.inst[j].cpu_addr);
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if (r) {
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dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
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return r;
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}
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}
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for (i = 0; i < adev->uvd.max_handles; ++i) {
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atomic_set(&adev->uvd.handles[i], 0);
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adev->uvd.filp[i] = NULL;
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}
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/* from uvd v5.0 HW addressing capacity increased to 64 bits */
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if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
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adev->uvd.address_64_bit = true;
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r = amdgpu_uvd_create_msg_bo_helper(adev, 128 << 10, &adev->uvd.ib_bo);
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if (r)
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return r;
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switch (adev->asic_type) {
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case CHIP_TONGA:
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adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
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break;
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case CHIP_CARRIZO:
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adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
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break;
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case CHIP_FIJI:
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adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
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break;
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case CHIP_STONEY:
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adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
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break;
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default:
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adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
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}
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return 0;
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}
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int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
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{
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void *addr = amdgpu_bo_kptr(adev->uvd.ib_bo);
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int i, j;
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drm_sched_entity_destroy(&adev->uvd.entity);
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for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
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if (adev->uvd.harvest_config & (1 << j))
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continue;
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kvfree(adev->uvd.inst[j].saved_bo);
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amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
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&adev->uvd.inst[j].gpu_addr,
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(void **)&adev->uvd.inst[j].cpu_addr);
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amdgpu_ring_fini(&adev->uvd.inst[j].ring);
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for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
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amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
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}
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amdgpu_bo_free_kernel(&adev->uvd.ib_bo, NULL, &addr);
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amdgpu_ucode_release(&adev->uvd.fw);
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|
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return 0;
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}
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|
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/**
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* amdgpu_uvd_entity_init - init entity
|
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*
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* @adev: amdgpu_device pointer
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*
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*/
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int amdgpu_uvd_entity_init(struct amdgpu_device *adev)
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{
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struct amdgpu_ring *ring;
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struct drm_gpu_scheduler *sched;
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int r;
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ring = &adev->uvd.inst[0].ring;
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sched = &ring->sched;
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r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
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&sched, 1, NULL);
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if (r) {
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DRM_ERROR("Failed setting up UVD kernel entity.\n");
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return r;
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}
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|
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return 0;
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}
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|
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int amdgpu_uvd_suspend(struct amdgpu_device *adev)
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{
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unsigned size;
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void *ptr;
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int i, j, idx;
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bool in_ras_intr = amdgpu_ras_intr_triggered();
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|
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cancel_delayed_work_sync(&adev->uvd.idle_work);
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|
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/* only valid for physical mode */
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if (adev->asic_type < CHIP_POLARIS10) {
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for (i = 0; i < adev->uvd.max_handles; ++i)
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if (atomic_read(&adev->uvd.handles[i]))
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break;
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|
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if (i == adev->uvd.max_handles)
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return 0;
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}
|
|
|
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for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
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if (adev->uvd.harvest_config & (1 << j))
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continue;
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if (adev->uvd.inst[j].vcpu_bo == NULL)
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continue;
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|
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size = amdgpu_bo_size(adev->uvd.inst[j].vcpu_bo);
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ptr = adev->uvd.inst[j].cpu_addr;
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|
|
|
adev->uvd.inst[j].saved_bo = kvmalloc(size, GFP_KERNEL);
|
|
if (!adev->uvd.inst[j].saved_bo)
|
|
return -ENOMEM;
|
|
|
|
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
|
|
/* re-write 0 since err_event_athub will corrupt VCPU buffer */
|
|
if (in_ras_intr)
|
|
memset(adev->uvd.inst[j].saved_bo, 0, size);
|
|
else
|
|
memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
|
|
|
|
drm_dev_exit(idx);
|
|
}
|
|
}
|
|
|
|
if (in_ras_intr)
|
|
DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int amdgpu_uvd_resume(struct amdgpu_device *adev)
|
|
{
|
|
unsigned size;
|
|
void *ptr;
|
|
int i, idx;
|
|
|
|
for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
|
|
if (adev->uvd.harvest_config & (1 << i))
|
|
continue;
|
|
if (adev->uvd.inst[i].vcpu_bo == NULL)
|
|
return -EINVAL;
|
|
|
|
size = amdgpu_bo_size(adev->uvd.inst[i].vcpu_bo);
|
|
ptr = adev->uvd.inst[i].cpu_addr;
|
|
|
|
if (adev->uvd.inst[i].saved_bo != NULL) {
|
|
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
|
|
memcpy_toio(ptr, adev->uvd.inst[i].saved_bo, size);
|
|
drm_dev_exit(idx);
|
|
}
|
|
kvfree(adev->uvd.inst[i].saved_bo);
|
|
adev->uvd.inst[i].saved_bo = NULL;
|
|
} else {
|
|
const struct common_firmware_header *hdr;
|
|
unsigned offset;
|
|
|
|
hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
|
|
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
|
|
offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
|
|
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
|
|
memcpy_toio(adev->uvd.inst[i].cpu_addr, adev->uvd.fw->data + offset,
|
|
le32_to_cpu(hdr->ucode_size_bytes));
|
|
drm_dev_exit(idx);
|
|
}
|
|
size -= le32_to_cpu(hdr->ucode_size_bytes);
|
|
ptr += le32_to_cpu(hdr->ucode_size_bytes);
|
|
}
|
|
memset_io(ptr, 0, size);
|
|
/* to restore uvd fence seq */
|
|
amdgpu_fence_driver_force_completion(&adev->uvd.inst[i].ring);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
|
|
{
|
|
struct amdgpu_ring *ring = &adev->uvd.inst[0].ring;
|
|
int i, r;
|
|
|
|
for (i = 0; i < adev->uvd.max_handles; ++i) {
|
|
uint32_t handle = atomic_read(&adev->uvd.handles[i]);
|
|
|
|
if (handle != 0 && adev->uvd.filp[i] == filp) {
|
|
struct dma_fence *fence;
|
|
|
|
r = amdgpu_uvd_get_destroy_msg(ring, handle, false,
|
|
&fence);
|
|
if (r) {
|
|
DRM_ERROR("Error destroying UVD %d!\n", r);
|
|
continue;
|
|
}
|
|
|
|
dma_fence_wait(fence, false);
|
|
dma_fence_put(fence);
|
|
|
|
adev->uvd.filp[i] = NULL;
|
|
atomic_set(&adev->uvd.handles[i], 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo)
|
|
{
|
|
int i;
|
|
for (i = 0; i < abo->placement.num_placement; ++i) {
|
|
abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
|
|
abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
|
|
}
|
|
}
|
|
|
|
static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
|
|
{
|
|
uint32_t lo, hi;
|
|
uint64_t addr;
|
|
|
|
lo = amdgpu_ib_get_value(ctx->ib, ctx->data0);
|
|
hi = amdgpu_ib_get_value(ctx->ib, ctx->data1);
|
|
addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
|
|
|
|
return addr;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_uvd_cs_pass1 - first parsing round
|
|
*
|
|
* @ctx: UVD parser context
|
|
*
|
|
* Make sure UVD message and feedback buffers are in VRAM and
|
|
* nobody is violating an 256MB boundary.
|
|
*/
|
|
static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
|
|
{
|
|
struct ttm_operation_ctx tctx = { false, false };
|
|
struct amdgpu_bo_va_mapping *mapping;
|
|
struct amdgpu_bo *bo;
|
|
uint32_t cmd;
|
|
uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
|
|
int r = 0;
|
|
|
|
r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
|
|
if (r) {
|
|
DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
|
|
return r;
|
|
}
|
|
|
|
if (!ctx->parser->adev->uvd.address_64_bit) {
|
|
/* check if it's a message or feedback command */
|
|
cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1;
|
|
if (cmd == 0x0 || cmd == 0x3) {
|
|
/* yes, force it into VRAM */
|
|
uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
|
|
amdgpu_bo_placement_from_domain(bo, domain);
|
|
}
|
|
amdgpu_uvd_force_into_uvd_segment(bo);
|
|
|
|
r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_uvd_cs_msg_decode - handle UVD decode message
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @msg: pointer to message structure
|
|
* @buf_sizes: placeholder to put the different buffer lengths
|
|
*
|
|
* Peek into the decode message and calculate the necessary buffer sizes.
|
|
*/
|
|
static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, 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 level = msg[57];
|
|
|
|
unsigned width_in_mb = width / 16;
|
|
unsigned height_in_mb = ALIGN(height / 16, 2);
|
|
unsigned fs_in_mb = width_in_mb * height_in_mb;
|
|
|
|
unsigned image_size, tmp, min_dpb_size, num_dpb_buffer;
|
|
unsigned min_ctx_size = ~0;
|
|
|
|
image_size = width * height;
|
|
image_size += image_size / 2;
|
|
image_size = ALIGN(image_size, 1024);
|
|
|
|
switch (stream_type) {
|
|
case 0: /* H264 */
|
|
switch(level) {
|
|
case 30:
|
|
num_dpb_buffer = 8100 / fs_in_mb;
|
|
break;
|
|
case 31:
|
|
num_dpb_buffer = 18000 / fs_in_mb;
|
|
break;
|
|
case 32:
|
|
num_dpb_buffer = 20480 / fs_in_mb;
|
|
break;
|
|
case 41:
|
|
num_dpb_buffer = 32768 / fs_in_mb;
|
|
break;
|
|
case 42:
|
|
num_dpb_buffer = 34816 / fs_in_mb;
|
|
break;
|
|
case 50:
|
|
num_dpb_buffer = 110400 / fs_in_mb;
|
|
break;
|
|
case 51:
|
|
num_dpb_buffer = 184320 / fs_in_mb;
|
|
break;
|
|
default:
|
|
num_dpb_buffer = 184320 / fs_in_mb;
|
|
break;
|
|
}
|
|
num_dpb_buffer++;
|
|
if (num_dpb_buffer > 17)
|
|
num_dpb_buffer = 17;
|
|
|
|
/* reference picture buffer */
|
|
min_dpb_size = image_size * num_dpb_buffer;
|
|
|
|
/* macroblock context buffer */
|
|
min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 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;
|
|
|
|
case 7: /* H264 Perf */
|
|
switch(level) {
|
|
case 30:
|
|
num_dpb_buffer = 8100 / fs_in_mb;
|
|
break;
|
|
case 31:
|
|
num_dpb_buffer = 18000 / fs_in_mb;
|
|
break;
|
|
case 32:
|
|
num_dpb_buffer = 20480 / fs_in_mb;
|
|
break;
|
|
case 41:
|
|
num_dpb_buffer = 32768 / fs_in_mb;
|
|
break;
|
|
case 42:
|
|
num_dpb_buffer = 34816 / fs_in_mb;
|
|
break;
|
|
case 50:
|
|
num_dpb_buffer = 110400 / fs_in_mb;
|
|
break;
|
|
case 51:
|
|
num_dpb_buffer = 184320 / fs_in_mb;
|
|
break;
|
|
default:
|
|
num_dpb_buffer = 184320 / fs_in_mb;
|
|
break;
|
|
}
|
|
num_dpb_buffer++;
|
|
if (num_dpb_buffer > 17)
|
|
num_dpb_buffer = 17;
|
|
|
|
/* reference picture buffer */
|
|
min_dpb_size = image_size * num_dpb_buffer;
|
|
|
|
if (!adev->uvd.use_ctx_buf){
|
|
/* macroblock context buffer */
|
|
min_dpb_size +=
|
|
width_in_mb * height_in_mb * num_dpb_buffer * 192;
|
|
|
|
/* IT surface buffer */
|
|
min_dpb_size += width_in_mb * height_in_mb * 32;
|
|
} else {
|
|
/* macroblock context buffer */
|
|
min_ctx_size =
|
|
width_in_mb * height_in_mb * num_dpb_buffer * 192;
|
|
}
|
|
break;
|
|
|
|
case 8: /* MJPEG */
|
|
min_dpb_size = 0;
|
|
break;
|
|
|
|
case 16: /* H265 */
|
|
image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
|
|
image_size = ALIGN(image_size, 256);
|
|
|
|
num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
|
|
min_dpb_size = image_size * num_dpb_buffer;
|
|
min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
|
|
* 16 * num_dpb_buffer + 52 * 1024;
|
|
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;
|
|
buf_sizes[0x4] = min_ctx_size;
|
|
/* store image width to adjust nb memory pstate */
|
|
adev->uvd.decode_image_width = width;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_uvd_cs_msg - handle UVD message
|
|
*
|
|
* @ctx: UVD parser context
|
|
* @bo: buffer object containing the message
|
|
* @offset: offset into the buffer object
|
|
*
|
|
* Peek into the UVD message and extract the session id.
|
|
* Make sure that we don't open up to many sessions.
|
|
*/
|
|
static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
|
|
struct amdgpu_bo *bo, unsigned offset)
|
|
{
|
|
struct amdgpu_device *adev = ctx->parser->adev;
|
|
int32_t *msg, msg_type, handle;
|
|
void *ptr;
|
|
long r;
|
|
int i;
|
|
|
|
if (offset & 0x3F) {
|
|
DRM_ERROR("UVD messages must be 64 byte aligned!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
r = amdgpu_bo_kmap(bo, &ptr);
|
|
if (r) {
|
|
DRM_ERROR("Failed mapping the UVD) message (%ld)!\n", r);
|
|
return r;
|
|
}
|
|
|
|
msg = ptr + offset;
|
|
|
|
msg_type = msg[1];
|
|
handle = msg[2];
|
|
|
|
if (handle == 0) {
|
|
amdgpu_bo_kunmap(bo);
|
|
DRM_ERROR("Invalid UVD handle!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (msg_type) {
|
|
case 0:
|
|
/* it's a create msg, calc image size (width * height) */
|
|
amdgpu_bo_kunmap(bo);
|
|
|
|
/* try to alloc a new handle */
|
|
for (i = 0; i < adev->uvd.max_handles; ++i) {
|
|
if (atomic_read(&adev->uvd.handles[i]) == handle) {
|
|
DRM_ERROR(")Handle 0x%x already in use!\n",
|
|
handle);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
|
|
adev->uvd.filp[i] = ctx->parser->filp;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
DRM_ERROR("No more free UVD handles!\n");
|
|
return -ENOSPC;
|
|
|
|
case 1:
|
|
/* it's a decode msg, calc buffer sizes */
|
|
r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
|
|
amdgpu_bo_kunmap(bo);
|
|
if (r)
|
|
return r;
|
|
|
|
/* validate the handle */
|
|
for (i = 0; i < adev->uvd.max_handles; ++i) {
|
|
if (atomic_read(&adev->uvd.handles[i]) == handle) {
|
|
if (adev->uvd.filp[i] != ctx->parser->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 < adev->uvd.max_handles; ++i)
|
|
atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
|
|
amdgpu_bo_kunmap(bo);
|
|
return 0;
|
|
|
|
default:
|
|
DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
|
|
}
|
|
|
|
amdgpu_bo_kunmap(bo);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_uvd_cs_pass2 - second parsing round
|
|
*
|
|
* @ctx: UVD parser context
|
|
*
|
|
* Patch buffer addresses, make sure buffer sizes are correct.
|
|
*/
|
|
static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
|
|
{
|
|
struct amdgpu_bo_va_mapping *mapping;
|
|
struct amdgpu_bo *bo;
|
|
uint32_t cmd;
|
|
uint64_t start, end;
|
|
uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
|
|
int r;
|
|
|
|
r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
|
|
if (r) {
|
|
DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
|
|
return r;
|
|
}
|
|
|
|
start = amdgpu_bo_gpu_offset(bo);
|
|
|
|
end = (mapping->last + 1 - mapping->start);
|
|
end = end * AMDGPU_GPU_PAGE_SIZE + start;
|
|
|
|
addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
|
|
start += addr;
|
|
|
|
amdgpu_ib_set_value(ctx->ib, ctx->data0, lower_32_bits(start));
|
|
amdgpu_ib_set_value(ctx->ib, ctx->data1, upper_32_bits(start));
|
|
|
|
cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1;
|
|
if (cmd < 0x4) {
|
|
if ((end - start) < ctx->buf_sizes[cmd]) {
|
|
DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
|
|
(unsigned)(end - start),
|
|
ctx->buf_sizes[cmd]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
} else if (cmd == 0x206) {
|
|
if ((end - start) < ctx->buf_sizes[4]) {
|
|
DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
|
|
(unsigned)(end - start),
|
|
ctx->buf_sizes[4]);
|
|
return -EINVAL;
|
|
}
|
|
} else if ((cmd != 0x100) && (cmd != 0x204)) {
|
|
DRM_ERROR("invalid UVD command %X!\n", cmd);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!ctx->parser->adev->uvd.address_64_bit) {
|
|
if ((start >> 28) != ((end - 1) >> 28)) {
|
|
DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
|
|
start, end);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if ((cmd == 0 || cmd == 0x3) &&
|
|
(start >> 28) != (ctx->parser->adev->uvd.inst->gpu_addr >> 28)) {
|
|
DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
|
|
start, end);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (cmd == 0) {
|
|
ctx->has_msg_cmd = true;
|
|
r = amdgpu_uvd_cs_msg(ctx, bo, addr);
|
|
if (r)
|
|
return r;
|
|
} else if (!ctx->has_msg_cmd) {
|
|
DRM_ERROR("Message needed before other commands are send!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_uvd_cs_reg - parse register writes
|
|
*
|
|
* @ctx: UVD parser context
|
|
* @cb: callback function
|
|
*
|
|
* Parse the register writes, call cb on each complete command.
|
|
*/
|
|
static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
|
|
int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
|
|
{
|
|
int i, r;
|
|
|
|
ctx->idx++;
|
|
for (i = 0; i <= ctx->count; ++i) {
|
|
unsigned reg = ctx->reg + i;
|
|
|
|
if (ctx->idx >= ctx->ib->length_dw) {
|
|
DRM_ERROR("Register command after end of CS!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (reg) {
|
|
case mmUVD_GPCOM_VCPU_DATA0:
|
|
ctx->data0 = ctx->idx;
|
|
break;
|
|
case mmUVD_GPCOM_VCPU_DATA1:
|
|
ctx->data1 = ctx->idx;
|
|
break;
|
|
case mmUVD_GPCOM_VCPU_CMD:
|
|
r = cb(ctx);
|
|
if (r)
|
|
return r;
|
|
break;
|
|
case mmUVD_ENGINE_CNTL:
|
|
case mmUVD_NO_OP:
|
|
break;
|
|
default:
|
|
DRM_ERROR("Invalid reg 0x%X!\n", reg);
|
|
return -EINVAL;
|
|
}
|
|
ctx->idx++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_uvd_cs_packets - parse UVD packets
|
|
*
|
|
* @ctx: UVD parser context
|
|
* @cb: callback function
|
|
*
|
|
* Parse the command stream packets.
|
|
*/
|
|
static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
|
|
int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
|
|
{
|
|
int r;
|
|
|
|
for (ctx->idx = 0 ; ctx->idx < ctx->ib->length_dw; ) {
|
|
uint32_t cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx);
|
|
unsigned type = CP_PACKET_GET_TYPE(cmd);
|
|
switch (type) {
|
|
case PACKET_TYPE0:
|
|
ctx->reg = CP_PACKET0_GET_REG(cmd);
|
|
ctx->count = CP_PACKET_GET_COUNT(cmd);
|
|
r = amdgpu_uvd_cs_reg(ctx, cb);
|
|
if (r)
|
|
return r;
|
|
break;
|
|
case PACKET_TYPE2:
|
|
++ctx->idx;
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown packet type %d !\n", type);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_uvd_ring_parse_cs - UVD command submission parser
|
|
*
|
|
* @parser: Command submission parser context
|
|
* @job: the job to parse
|
|
* @ib: the IB to patch
|
|
*
|
|
* Parse the command stream, patch in addresses as necessary.
|
|
*/
|
|
int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser,
|
|
struct amdgpu_job *job,
|
|
struct amdgpu_ib *ib)
|
|
{
|
|
struct amdgpu_uvd_cs_ctx ctx = {};
|
|
unsigned buf_sizes[] = {
|
|
[0x00000000] = 2048,
|
|
[0x00000001] = 0xFFFFFFFF,
|
|
[0x00000002] = 0xFFFFFFFF,
|
|
[0x00000003] = 2048,
|
|
[0x00000004] = 0xFFFFFFFF,
|
|
};
|
|
int r;
|
|
|
|
job->vm = NULL;
|
|
ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
|
|
|
|
if (ib->length_dw % 16) {
|
|
DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
|
|
ib->length_dw);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ctx.parser = parser;
|
|
ctx.buf_sizes = buf_sizes;
|
|
ctx.ib = ib;
|
|
|
|
/* first round only required on chips without UVD 64 bit address support */
|
|
if (!parser->adev->uvd.address_64_bit) {
|
|
/* first round, make sure the buffers are actually in the UVD segment */
|
|
r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
|
|
if (r)
|
|
return r;
|
|
}
|
|
|
|
/* second round, patch buffer addresses into the command stream */
|
|
r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
|
|
if (r)
|
|
return r;
|
|
|
|
if (!ctx.has_msg_cmd) {
|
|
DRM_ERROR("UVD-IBs need a msg command!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
|
|
bool direct, struct dma_fence **fence)
|
|
{
|
|
struct amdgpu_device *adev = ring->adev;
|
|
struct dma_fence *f = NULL;
|
|
struct amdgpu_job *job;
|
|
struct amdgpu_ib *ib;
|
|
uint32_t data[4];
|
|
uint64_t addr;
|
|
long r;
|
|
int i;
|
|
unsigned offset_idx = 0;
|
|
unsigned offset[3] = { UVD_BASE_SI, 0, 0 };
|
|
|
|
r = amdgpu_job_alloc_with_ib(ring->adev, &adev->uvd.entity,
|
|
AMDGPU_FENCE_OWNER_UNDEFINED,
|
|
64, direct ? AMDGPU_IB_POOL_DIRECT :
|
|
AMDGPU_IB_POOL_DELAYED, &job);
|
|
if (r)
|
|
return r;
|
|
|
|
if (adev->asic_type >= CHIP_VEGA10) {
|
|
offset_idx = 1 + ring->me;
|
|
offset[1] = adev->reg_offset[UVD_HWIP][0][1];
|
|
offset[2] = adev->reg_offset[UVD_HWIP][1][1];
|
|
}
|
|
|
|
data[0] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA0, 0);
|
|
data[1] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA1, 0);
|
|
data[2] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_CMD, 0);
|
|
data[3] = PACKET0(offset[offset_idx] + UVD_NO_OP, 0);
|
|
|
|
ib = &job->ibs[0];
|
|
addr = amdgpu_bo_gpu_offset(bo);
|
|
ib->ptr[0] = data[0];
|
|
ib->ptr[1] = addr;
|
|
ib->ptr[2] = data[1];
|
|
ib->ptr[3] = addr >> 32;
|
|
ib->ptr[4] = data[2];
|
|
ib->ptr[5] = 0;
|
|
for (i = 6; i < 16; i += 2) {
|
|
ib->ptr[i] = data[3];
|
|
ib->ptr[i+1] = 0;
|
|
}
|
|
ib->length_dw = 16;
|
|
|
|
if (direct) {
|
|
r = dma_resv_wait_timeout(bo->tbo.base.resv,
|
|
DMA_RESV_USAGE_KERNEL, false,
|
|
msecs_to_jiffies(10));
|
|
if (r == 0)
|
|
r = -ETIMEDOUT;
|
|
if (r < 0)
|
|
goto err_free;
|
|
|
|
r = amdgpu_job_submit_direct(job, ring, &f);
|
|
if (r)
|
|
goto err_free;
|
|
} else {
|
|
r = drm_sched_job_add_resv_dependencies(&job->base,
|
|
bo->tbo.base.resv,
|
|
DMA_RESV_USAGE_KERNEL);
|
|
if (r)
|
|
goto err_free;
|
|
|
|
f = amdgpu_job_submit(job);
|
|
}
|
|
|
|
amdgpu_bo_reserve(bo, true);
|
|
amdgpu_bo_fence(bo, f, false);
|
|
amdgpu_bo_unreserve(bo);
|
|
|
|
if (fence)
|
|
*fence = dma_fence_get(f);
|
|
dma_fence_put(f);
|
|
|
|
return 0;
|
|
|
|
err_free:
|
|
amdgpu_job_free(job);
|
|
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 amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
|
|
struct dma_fence **fence)
|
|
{
|
|
struct amdgpu_device *adev = ring->adev;
|
|
struct amdgpu_bo *bo = adev->uvd.ib_bo;
|
|
uint32_t *msg;
|
|
int i;
|
|
|
|
msg = amdgpu_bo_kptr(bo);
|
|
/* 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);
|
|
|
|
return amdgpu_uvd_send_msg(ring, bo, true, fence);
|
|
|
|
}
|
|
|
|
int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
|
|
bool direct, struct dma_fence **fence)
|
|
{
|
|
struct amdgpu_device *adev = ring->adev;
|
|
struct amdgpu_bo *bo = NULL;
|
|
uint32_t *msg;
|
|
int r, i;
|
|
|
|
if (direct) {
|
|
bo = adev->uvd.ib_bo;
|
|
} else {
|
|
r = amdgpu_uvd_create_msg_bo_helper(adev, 4096, &bo);
|
|
if (r)
|
|
return r;
|
|
}
|
|
|
|
msg = amdgpu_bo_kptr(bo);
|
|
/* 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 = amdgpu_uvd_send_msg(ring, bo, direct, fence);
|
|
|
|
if (!direct)
|
|
amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
|
|
|
|
return r;
|
|
}
|
|
|
|
static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
|
|
{
|
|
struct amdgpu_device *adev =
|
|
container_of(work, struct amdgpu_device, uvd.idle_work.work);
|
|
unsigned fences = 0, i, j;
|
|
|
|
for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
|
|
if (adev->uvd.harvest_config & (1 << i))
|
|
continue;
|
|
fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
|
|
for (j = 0; j < adev->uvd.num_enc_rings; ++j) {
|
|
fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
|
|
}
|
|
}
|
|
|
|
if (fences == 0) {
|
|
if (adev->pm.dpm_enabled) {
|
|
amdgpu_dpm_enable_uvd(adev, false);
|
|
} else {
|
|
amdgpu_asic_set_uvd_clocks(adev, 0, 0);
|
|
/* shutdown the UVD block */
|
|
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
|
|
AMD_PG_STATE_GATE);
|
|
amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
|
|
AMD_CG_STATE_GATE);
|
|
}
|
|
} else {
|
|
schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
|
|
{
|
|
struct amdgpu_device *adev = ring->adev;
|
|
bool set_clocks;
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
return;
|
|
|
|
set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
|
|
if (set_clocks) {
|
|
if (adev->pm.dpm_enabled) {
|
|
amdgpu_dpm_enable_uvd(adev, true);
|
|
} else {
|
|
amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
|
|
amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
|
|
AMD_CG_STATE_UNGATE);
|
|
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
|
|
AMD_PG_STATE_UNGATE);
|
|
}
|
|
}
|
|
}
|
|
|
|
void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
|
|
{
|
|
if (!amdgpu_sriov_vf(ring->adev))
|
|
schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
|
|
}
|
|
|
|
/**
|
|
* amdgpu_uvd_ring_test_ib - test ib execution
|
|
*
|
|
* @ring: amdgpu_ring pointer
|
|
* @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
|
|
*
|
|
* Test if we can successfully execute an IB
|
|
*/
|
|
int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
|
|
{
|
|
struct dma_fence *fence;
|
|
long r;
|
|
|
|
r = amdgpu_uvd_get_create_msg(ring, 1, &fence);
|
|
if (r)
|
|
goto error;
|
|
|
|
r = dma_fence_wait_timeout(fence, false, timeout);
|
|
dma_fence_put(fence);
|
|
if (r == 0)
|
|
r = -ETIMEDOUT;
|
|
if (r < 0)
|
|
goto error;
|
|
|
|
r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
|
|
if (r)
|
|
goto error;
|
|
|
|
r = dma_fence_wait_timeout(fence, false, timeout);
|
|
if (r == 0)
|
|
r = -ETIMEDOUT;
|
|
else if (r > 0)
|
|
r = 0;
|
|
|
|
dma_fence_put(fence);
|
|
|
|
error:
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* amdgpu_uvd_used_handles - returns used UVD handles
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Returns the number of UVD handles in use
|
|
*/
|
|
uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
|
|
{
|
|
unsigned i;
|
|
uint32_t used_handles = 0;
|
|
|
|
for (i = 0; i < adev->uvd.max_handles; ++i) {
|
|
/*
|
|
* Handles can be freed in any order, and not
|
|
* necessarily linear. So we need to count
|
|
* all non-zero handles.
|
|
*/
|
|
if (atomic_read(&adev->uvd.handles[i]))
|
|
used_handles++;
|
|
}
|
|
|
|
return used_handles;
|
|
}
|