forked from KolibriOS/kolibrios
1006 lines
24 KiB
C
1006 lines
24 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/drmP.h>
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#include <drm/drm.h>
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#include "radeon.h"
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#include "r600d.h"
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/* 1 second timeout */
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#define UVD_IDLE_TIMEOUT_MS 1000
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/* Firmware Names */
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#define FIRMWARE_R600 "radeon/R600_uvd.bin"
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#define FIRMWARE_RS780 "radeon/RS780_uvd.bin"
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#define FIRMWARE_RV770 "radeon/RV770_uvd.bin"
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#define FIRMWARE_RV710 "radeon/RV710_uvd.bin"
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#define FIRMWARE_CYPRESS "radeon/CYPRESS_uvd.bin"
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#define FIRMWARE_SUMO "radeon/SUMO_uvd.bin"
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#define FIRMWARE_TAHITI "radeon/TAHITI_uvd.bin"
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#define FIRMWARE_BONAIRE "radeon/BONAIRE_uvd.bin"
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MODULE_FIRMWARE(FIRMWARE_R600);
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MODULE_FIRMWARE(FIRMWARE_RS780);
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MODULE_FIRMWARE(FIRMWARE_RV770);
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MODULE_FIRMWARE(FIRMWARE_RV710);
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MODULE_FIRMWARE(FIRMWARE_CYPRESS);
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MODULE_FIRMWARE(FIRMWARE_SUMO);
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MODULE_FIRMWARE(FIRMWARE_TAHITI);
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MODULE_FIRMWARE(FIRMWARE_BONAIRE);
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static void radeon_uvd_idle_work_handler(struct work_struct *work);
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int radeon_uvd_init(struct radeon_device *rdev)
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{
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unsigned long bo_size;
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const char *fw_name;
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int i, r;
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// INIT_DELAYED_WORK(&rdev->uvd.idle_work, radeon_uvd_idle_work_handler);
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switch (rdev->family) {
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case CHIP_RV610:
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case CHIP_RV630:
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case CHIP_RV670:
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case CHIP_RV620:
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case CHIP_RV635:
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fw_name = FIRMWARE_R600;
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break;
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case CHIP_RS780:
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case CHIP_RS880:
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fw_name = FIRMWARE_RS780;
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break;
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case CHIP_RV770:
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fw_name = FIRMWARE_RV770;
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break;
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case CHIP_RV710:
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case CHIP_RV730:
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case CHIP_RV740:
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fw_name = FIRMWARE_RV710;
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break;
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case CHIP_CYPRESS:
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case CHIP_HEMLOCK:
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case CHIP_JUNIPER:
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case CHIP_REDWOOD:
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case CHIP_CEDAR:
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fw_name = FIRMWARE_CYPRESS;
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break;
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case CHIP_SUMO:
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case CHIP_SUMO2:
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case CHIP_PALM:
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case CHIP_CAYMAN:
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case CHIP_BARTS:
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case CHIP_TURKS:
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case CHIP_CAICOS:
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fw_name = FIRMWARE_SUMO;
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break;
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case CHIP_TAHITI:
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case CHIP_VERDE:
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case CHIP_PITCAIRN:
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case CHIP_ARUBA:
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case CHIP_OLAND:
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fw_name = FIRMWARE_TAHITI;
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break;
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case CHIP_BONAIRE:
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case CHIP_KABINI:
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case CHIP_KAVERI:
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case CHIP_HAWAII:
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case CHIP_MULLINS:
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fw_name = FIRMWARE_BONAIRE;
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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 = request_firmware(&rdev->uvd_fw, fw_name, rdev->dev);
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if (r) {
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dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
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fw_name);
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return r;
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}
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bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) +
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RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE +
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RADEON_GPU_PAGE_SIZE;
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r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true,
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RADEON_GEM_DOMAIN_VRAM, 0, NULL,
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NULL, &rdev->uvd.vcpu_bo);
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if (r) {
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dev_err(rdev->dev, "(%d) failed to allocate UVD bo\n", r);
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return r;
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}
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r = radeon_bo_reserve(rdev->uvd.vcpu_bo, false);
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if (r) {
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radeon_bo_unref(&rdev->uvd.vcpu_bo);
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dev_err(rdev->dev, "(%d) failed to reserve UVD bo\n", r);
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return r;
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}
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r = radeon_bo_pin(rdev->uvd.vcpu_bo, RADEON_GEM_DOMAIN_VRAM,
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&rdev->uvd.gpu_addr);
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if (r) {
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radeon_bo_unreserve(rdev->uvd.vcpu_bo);
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radeon_bo_unref(&rdev->uvd.vcpu_bo);
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dev_err(rdev->dev, "(%d) UVD bo pin failed\n", r);
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return r;
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}
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r = radeon_bo_kmap(rdev->uvd.vcpu_bo, &rdev->uvd.cpu_addr);
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if (r) {
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dev_err(rdev->dev, "(%d) UVD map failed\n", r);
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return r;
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}
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radeon_bo_unreserve(rdev->uvd.vcpu_bo);
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for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
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atomic_set(&rdev->uvd.handles[i], 0);
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rdev->uvd.filp[i] = NULL;
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rdev->uvd.img_size[i] = 0;
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}
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return 0;
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}
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void radeon_uvd_fini(struct radeon_device *rdev)
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{
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int r;
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if (rdev->uvd.vcpu_bo == NULL)
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return;
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r = radeon_bo_reserve(rdev->uvd.vcpu_bo, false);
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if (!r) {
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radeon_bo_kunmap(rdev->uvd.vcpu_bo);
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radeon_bo_unpin(rdev->uvd.vcpu_bo);
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radeon_bo_unreserve(rdev->uvd.vcpu_bo);
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}
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radeon_bo_unref(&rdev->uvd.vcpu_bo);
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radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX]);
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release_firmware(rdev->uvd_fw);
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}
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int radeon_uvd_suspend(struct radeon_device *rdev)
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{
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int i, r;
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if (rdev->uvd.vcpu_bo == NULL)
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return 0;
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for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
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uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
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if (handle != 0) {
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struct radeon_fence *fence;
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radeon_uvd_note_usage(rdev);
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r = radeon_uvd_get_destroy_msg(rdev,
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R600_RING_TYPE_UVD_INDEX, handle, &fence);
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if (r) {
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DRM_ERROR("Error destroying UVD (%d)!\n", r);
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continue;
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}
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radeon_fence_wait(fence, false);
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radeon_fence_unref(&fence);
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rdev->uvd.filp[i] = NULL;
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atomic_set(&rdev->uvd.handles[i], 0);
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}
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}
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return 0;
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}
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int radeon_uvd_resume(struct radeon_device *rdev)
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{
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unsigned size;
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void *ptr;
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if (rdev->uvd.vcpu_bo == NULL)
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return -EINVAL;
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memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size);
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size = radeon_bo_size(rdev->uvd.vcpu_bo);
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size -= rdev->uvd_fw->size;
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ptr = rdev->uvd.cpu_addr;
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ptr += rdev->uvd_fw->size;
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memset(ptr, 0, size);
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return 0;
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}
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void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo,
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uint32_t allowed_domains)
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{
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int i;
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for (i = 0; i < rbo->placement.num_placement; ++i) {
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rbo->placements[i].fpfn = 0 >> PAGE_SHIFT;
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rbo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
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}
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/* If it must be in VRAM it must be in the first segment as well */
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if (allowed_domains == RADEON_GEM_DOMAIN_VRAM)
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return;
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/* abort if we already have more than one placement */
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if (rbo->placement.num_placement > 1)
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return;
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/* add another 256MB segment */
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rbo->placements[1] = rbo->placements[0];
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rbo->placements[1].fpfn += (256 * 1024 * 1024) >> PAGE_SHIFT;
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rbo->placements[1].lpfn += (256 * 1024 * 1024) >> PAGE_SHIFT;
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rbo->placement.num_placement++;
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rbo->placement.num_busy_placement++;
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}
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void radeon_uvd_free_handles(struct radeon_device *rdev, struct drm_file *filp)
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{
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int i, r;
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for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
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uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
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if (handle != 0 && rdev->uvd.filp[i] == filp) {
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struct radeon_fence *fence;
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radeon_uvd_note_usage(rdev);
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r = radeon_uvd_get_destroy_msg(rdev,
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R600_RING_TYPE_UVD_INDEX, handle, &fence);
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if (r) {
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DRM_ERROR("Error destroying UVD (%d)!\n", r);
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continue;
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}
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radeon_fence_wait(fence, false);
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radeon_fence_unref(&fence);
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rdev->uvd.filp[i] = NULL;
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atomic_set(&rdev->uvd.handles[i], 0);
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}
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}
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}
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static int radeon_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[])
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{
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unsigned stream_type = msg[4];
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unsigned width = msg[6];
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unsigned height = msg[7];
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unsigned dpb_size = msg[9];
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unsigned pitch = msg[28];
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unsigned width_in_mb = width / 16;
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unsigned height_in_mb = ALIGN(height / 16, 2);
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unsigned image_size, tmp, min_dpb_size;
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image_size = width * height;
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image_size += image_size / 2;
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image_size = ALIGN(image_size, 1024);
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switch (stream_type) {
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case 0: /* H264 */
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/* reference picture buffer */
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min_dpb_size = image_size * 17;
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/* macroblock context buffer */
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min_dpb_size += width_in_mb * height_in_mb * 17 * 192;
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/* IT surface buffer */
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min_dpb_size += width_in_mb * height_in_mb * 32;
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break;
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case 1: /* VC1 */
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/* reference picture buffer */
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min_dpb_size = image_size * 3;
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/* CONTEXT_BUFFER */
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min_dpb_size += width_in_mb * height_in_mb * 128;
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/* IT surface buffer */
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min_dpb_size += width_in_mb * 64;
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/* DB surface buffer */
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min_dpb_size += width_in_mb * 128;
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/* BP */
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tmp = max(width_in_mb, height_in_mb);
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min_dpb_size += ALIGN(tmp * 7 * 16, 64);
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break;
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case 3: /* MPEG2 */
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/* reference picture buffer */
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min_dpb_size = image_size * 3;
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break;
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case 4: /* MPEG4 */
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/* reference picture buffer */
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min_dpb_size = image_size * 3;
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/* CM */
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min_dpb_size += width_in_mb * height_in_mb * 64;
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/* IT surface buffer */
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min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
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break;
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default:
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DRM_ERROR("UVD codec not handled %d!\n", stream_type);
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return -EINVAL;
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}
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if (width > pitch) {
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DRM_ERROR("Invalid UVD decoding target pitch!\n");
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return -EINVAL;
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}
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if (dpb_size < min_dpb_size) {
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DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
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dpb_size, min_dpb_size);
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return -EINVAL;
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}
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buf_sizes[0x1] = dpb_size;
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buf_sizes[0x2] = image_size;
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return 0;
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}
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static int radeon_uvd_validate_codec(struct radeon_cs_parser *p,
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unsigned stream_type)
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{
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switch (stream_type) {
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case 0: /* H264 */
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case 1: /* VC1 */
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/* always supported */
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return 0;
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case 3: /* MPEG2 */
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case 4: /* MPEG4 */
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/* only since UVD 3 */
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if (p->rdev->family >= CHIP_PALM)
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return 0;
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/* fall through */
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default:
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DRM_ERROR("UVD codec not supported by hardware %d!\n",
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stream_type);
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return -EINVAL;
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}
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}
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static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
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unsigned offset, unsigned buf_sizes[])
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{
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int32_t *msg, msg_type, handle;
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unsigned img_size = 0;
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struct fence *f;
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void *ptr;
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int i, r;
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if (offset & 0x3F) {
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DRM_ERROR("UVD messages must be 64 byte aligned!\n");
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return -EINVAL;
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}
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f = reservation_object_get_excl(bo->tbo.resv);
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if (f) {
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r = radeon_fence_wait((struct radeon_fence *)f, false);
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if (r) {
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DRM_ERROR("Failed waiting for UVD message (%d)!\n", r);
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return r;
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}
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}
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r = radeon_bo_kmap(bo, &ptr);
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if (r) {
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DRM_ERROR("Failed mapping the UVD message (%d)!\n", r);
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return r;
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}
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msg = ptr + offset;
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msg_type = msg[1];
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handle = msg[2];
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if (handle == 0) {
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DRM_ERROR("Invalid UVD handle!\n");
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return -EINVAL;
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}
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switch (msg_type) {
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case 0:
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/* it's a create msg, calc image size (width * height) */
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img_size = msg[7] * msg[8];
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r = radeon_uvd_validate_codec(p, msg[4]);
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radeon_bo_kunmap(bo);
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if (r)
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return r;
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/* try to alloc a new handle */
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for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
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if (atomic_read(&p->rdev->uvd.handles[i]) == handle) {
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DRM_ERROR("Handle 0x%x already in use!\n", handle);
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return -EINVAL;
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}
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if (!atomic_cmpxchg(&p->rdev->uvd.handles[i], 0, handle)) {
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p->rdev->uvd.filp[i] = p->filp;
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p->rdev->uvd.img_size[i] = img_size;
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return 0;
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}
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}
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DRM_ERROR("No more free UVD handles!\n");
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return -EINVAL;
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case 1:
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/* it's a decode msg, validate codec and calc buffer sizes */
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r = radeon_uvd_validate_codec(p, msg[4]);
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if (!r)
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r = radeon_uvd_cs_msg_decode(msg, buf_sizes);
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radeon_bo_kunmap(bo);
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if (r)
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return r;
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/* validate the handle */
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for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
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if (atomic_read(&p->rdev->uvd.handles[i]) == handle) {
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if (p->rdev->uvd.filp[i] != p->filp) {
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DRM_ERROR("UVD handle collision detected!\n");
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return -EINVAL;
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}
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return 0;
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}
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}
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DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
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return -ENOENT;
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case 2:
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/* it's a destroy msg, free the handle */
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for (i = 0; i < RADEON_MAX_UVD_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:
|
|
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 < RADEON_MAX_UVD_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;
|
|
}
|