1278 lines
34 KiB
C
1278 lines
34 KiB
C
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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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 NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <linux/firmware.h>
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#include "drmP.h"
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#include "amdgpu.h"
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#include "cikd.h"
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#include "cik.h"
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#include "gmc_v7_0.h"
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#include "amdgpu_ucode.h"
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#include "bif/bif_4_1_d.h"
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#include "bif/bif_4_1_sh_mask.h"
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#include "gmc/gmc_7_1_d.h"
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#include "gmc/gmc_7_1_sh_mask.h"
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#include "oss/oss_2_0_d.h"
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#include "oss/oss_2_0_sh_mask.h"
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static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev);
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static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev);
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static int gmc_v7_0_wait_for_idle(void *handle);
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MODULE_FIRMWARE("radeon/bonaire_mc.bin");
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MODULE_FIRMWARE("radeon/hawaii_mc.bin");
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MODULE_FIRMWARE("amdgpu/topaz_mc.bin");
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static const u32 golden_settings_iceland_a11[] =
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{
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mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
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mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
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mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
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mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
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};
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static const u32 iceland_mgcg_cgcg_init[] =
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{
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mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
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};
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static void gmc_v7_0_init_golden_registers(struct amdgpu_device *adev)
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{
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switch (adev->asic_type) {
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case CHIP_TOPAZ:
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amdgpu_program_register_sequence(adev,
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iceland_mgcg_cgcg_init,
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(const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init));
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amdgpu_program_register_sequence(adev,
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golden_settings_iceland_a11,
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(const u32)ARRAY_SIZE(golden_settings_iceland_a11));
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break;
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default:
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break;
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}
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}
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static void gmc_v7_0_mc_stop(struct amdgpu_device *adev,
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struct amdgpu_mode_mc_save *save)
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{
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u32 blackout;
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if (adev->mode_info.num_crtc)
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amdgpu_display_stop_mc_access(adev, save);
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gmc_v7_0_wait_for_idle((void *)adev);
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blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
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if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
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/* Block CPU access */
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WREG32(mmBIF_FB_EN, 0);
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/* blackout the MC */
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blackout = REG_SET_FIELD(blackout,
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MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
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WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
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}
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/* wait for the MC to settle */
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udelay(100);
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}
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static void gmc_v7_0_mc_resume(struct amdgpu_device *adev,
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struct amdgpu_mode_mc_save *save)
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{
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u32 tmp;
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/* unblackout the MC */
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tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
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tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
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WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
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/* allow CPU access */
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tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
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tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
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WREG32(mmBIF_FB_EN, tmp);
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if (adev->mode_info.num_crtc)
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amdgpu_display_resume_mc_access(adev, save);
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}
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/**
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* gmc_v7_0_init_microcode - load ucode images from disk
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*
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* @adev: amdgpu_device pointer
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*
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* Use the firmware interface to load the ucode images into
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* the driver (not loaded into hw).
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* Returns 0 on success, error on failure.
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*/
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static int gmc_v7_0_init_microcode(struct amdgpu_device *adev)
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{
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const char *chip_name;
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char fw_name[30];
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int err;
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DRM_DEBUG("\n");
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switch (adev->asic_type) {
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case CHIP_BONAIRE:
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chip_name = "bonaire";
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break;
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case CHIP_HAWAII:
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chip_name = "hawaii";
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break;
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case CHIP_TOPAZ:
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chip_name = "topaz";
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break;
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case CHIP_KAVERI:
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case CHIP_KABINI:
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return 0;
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default: BUG();
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}
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if (adev->asic_type == CHIP_TOPAZ)
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snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
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else
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snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
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err = request_firmware(&adev->mc.fw, fw_name, adev->dev);
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if (err)
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goto out;
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err = amdgpu_ucode_validate(adev->mc.fw);
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out:
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if (err) {
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printk(KERN_ERR
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"cik_mc: Failed to load firmware \"%s\"\n",
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fw_name);
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release_firmware(adev->mc.fw);
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adev->mc.fw = NULL;
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}
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return err;
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}
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/**
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* gmc_v7_0_mc_load_microcode - load MC ucode into the hw
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*
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* @adev: amdgpu_device pointer
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*
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* Load the GDDR MC ucode into the hw (CIK).
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* Returns 0 on success, error on failure.
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*/
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static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev)
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{
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const struct mc_firmware_header_v1_0 *hdr;
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const __le32 *fw_data = NULL;
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const __le32 *io_mc_regs = NULL;
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u32 running, blackout = 0;
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int i, ucode_size, regs_size;
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if (!adev->mc.fw)
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return -EINVAL;
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hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data;
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amdgpu_ucode_print_mc_hdr(&hdr->header);
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adev->mc.fw_version = le32_to_cpu(hdr->header.ucode_version);
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regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
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io_mc_regs = (const __le32 *)
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(adev->mc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
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ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
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fw_data = (const __le32 *)
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(adev->mc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
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running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
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if (running == 0) {
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if (running) {
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blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
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WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
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}
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/* reset the engine and set to writable */
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WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
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WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
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/* load mc io regs */
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for (i = 0; i < regs_size; i++) {
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WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
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WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
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}
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/* load the MC ucode */
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for (i = 0; i < ucode_size; i++)
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WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
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/* put the engine back into the active state */
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WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
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WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
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WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
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/* wait for training to complete */
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for (i = 0; i < adev->usec_timeout; i++) {
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if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
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MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
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break;
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udelay(1);
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}
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for (i = 0; i < adev->usec_timeout; i++) {
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if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
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MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
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break;
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udelay(1);
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}
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if (running)
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WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout);
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}
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return 0;
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}
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static void gmc_v7_0_vram_gtt_location(struct amdgpu_device *adev,
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struct amdgpu_mc *mc)
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{
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if (mc->mc_vram_size > 0xFFC0000000ULL) {
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/* leave room for at least 1024M GTT */
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dev_warn(adev->dev, "limiting VRAM\n");
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mc->real_vram_size = 0xFFC0000000ULL;
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mc->mc_vram_size = 0xFFC0000000ULL;
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}
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amdgpu_vram_location(adev, &adev->mc, 0);
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adev->mc.gtt_base_align = 0;
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amdgpu_gtt_location(adev, mc);
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}
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/**
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* gmc_v7_0_mc_program - program the GPU memory controller
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*
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* @adev: amdgpu_device pointer
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*
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* Set the location of vram, gart, and AGP in the GPU's
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* physical address space (CIK).
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*/
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static void gmc_v7_0_mc_program(struct amdgpu_device *adev)
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{
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struct amdgpu_mode_mc_save save;
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u32 tmp;
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int i, j;
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/* Initialize HDP */
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for (i = 0, j = 0; i < 32; i++, j += 0x6) {
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WREG32((0xb05 + j), 0x00000000);
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WREG32((0xb06 + j), 0x00000000);
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WREG32((0xb07 + j), 0x00000000);
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WREG32((0xb08 + j), 0x00000000);
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WREG32((0xb09 + j), 0x00000000);
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}
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WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
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if (adev->mode_info.num_crtc)
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amdgpu_display_set_vga_render_state(adev, false);
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gmc_v7_0_mc_stop(adev, &save);
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if (gmc_v7_0_wait_for_idle((void *)adev)) {
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dev_warn(adev->dev, "Wait for MC idle timedout !\n");
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}
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/* Update configuration */
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WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
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adev->mc.vram_start >> 12);
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WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
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adev->mc.vram_end >> 12);
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WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
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adev->vram_scratch.gpu_addr >> 12);
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tmp = ((adev->mc.vram_end >> 24) & 0xFFFF) << 16;
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tmp |= ((adev->mc.vram_start >> 24) & 0xFFFF);
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WREG32(mmMC_VM_FB_LOCATION, tmp);
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/* XXX double check these! */
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WREG32(mmHDP_NONSURFACE_BASE, (adev->mc.vram_start >> 8));
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WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
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WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
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WREG32(mmMC_VM_AGP_BASE, 0);
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WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
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WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
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if (gmc_v7_0_wait_for_idle((void *)adev)) {
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dev_warn(adev->dev, "Wait for MC idle timedout !\n");
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}
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gmc_v7_0_mc_resume(adev, &save);
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WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
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tmp = RREG32(mmHDP_MISC_CNTL);
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tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
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WREG32(mmHDP_MISC_CNTL, tmp);
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tmp = RREG32(mmHDP_HOST_PATH_CNTL);
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WREG32(mmHDP_HOST_PATH_CNTL, tmp);
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}
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/**
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* gmc_v7_0_mc_init - initialize the memory controller driver params
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*
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* @adev: amdgpu_device pointer
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*
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* Look up the amount of vram, vram width, and decide how to place
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* vram and gart within the GPU's physical address space (CIK).
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* Returns 0 for success.
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*/
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static int gmc_v7_0_mc_init(struct amdgpu_device *adev)
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{
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u32 tmp;
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int chansize, numchan;
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/* Get VRAM informations */
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tmp = RREG32(mmMC_ARB_RAMCFG);
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if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) {
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chansize = 64;
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} else {
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chansize = 32;
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}
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tmp = RREG32(mmMC_SHARED_CHMAP);
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switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
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case 0:
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default:
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numchan = 1;
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break;
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case 1:
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numchan = 2;
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break;
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case 2:
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numchan = 4;
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break;
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case 3:
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numchan = 8;
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break;
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case 4:
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numchan = 3;
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break;
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case 5:
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numchan = 6;
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break;
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case 6:
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numchan = 10;
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break;
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case 7:
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numchan = 12;
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break;
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case 8:
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numchan = 16;
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break;
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}
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adev->mc.vram_width = numchan * chansize;
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/* Could aper size report 0 ? */
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adev->mc.aper_base = pci_resource_start(adev->pdev, 0);
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adev->mc.aper_size = pci_resource_len(adev->pdev, 0);
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/* size in MB on si */
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adev->mc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
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adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
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adev->mc.visible_vram_size = adev->mc.aper_size;
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/* In case the PCI BAR is larger than the actual amount of vram */
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if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
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adev->mc.visible_vram_size = adev->mc.real_vram_size;
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/* unless the user had overridden it, set the gart
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* size equal to the 1024 or vram, whichever is larger.
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*/
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if (amdgpu_gart_size == -1)
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adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size);
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else
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adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
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gmc_v7_0_vram_gtt_location(adev, &adev->mc);
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return 0;
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}
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/*
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* GART
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* VMID 0 is the physical GPU addresses as used by the kernel.
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* VMIDs 1-15 are used for userspace clients and are handled
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* by the amdgpu vm/hsa code.
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*/
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/**
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* gmc_v7_0_gart_flush_gpu_tlb - gart tlb flush callback
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*
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* @adev: amdgpu_device pointer
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* @vmid: vm instance to flush
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*
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* Flush the TLB for the requested page table (CIK).
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*/
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static void gmc_v7_0_gart_flush_gpu_tlb(struct amdgpu_device *adev,
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uint32_t vmid)
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{
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/* flush hdp cache */
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WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0);
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/* bits 0-15 are the VM contexts0-15 */
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WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
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}
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|
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/**
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* gmc_v7_0_gart_set_pte_pde - update the page tables using MMIO
|
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*
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* @adev: amdgpu_device pointer
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* @cpu_pt_addr: cpu address of the page table
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* @gpu_page_idx: entry in the page table to update
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* @addr: dst addr to write into pte/pde
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* @flags: access flags
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*
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* Update the page tables using the CPU.
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*/
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static int gmc_v7_0_gart_set_pte_pde(struct amdgpu_device *adev,
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void *cpu_pt_addr,
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uint32_t gpu_page_idx,
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uint64_t addr,
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uint32_t flags)
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{
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void __iomem *ptr = (void *)cpu_pt_addr;
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uint64_t value;
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|
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value = addr & 0xFFFFFFFFFFFFF000ULL;
|
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value |= flags;
|
|
writeq(value, ptr + (gpu_page_idx * 8));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* gmc_v8_0_set_fault_enable_default - update VM fault handling
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @value: true redirects VM faults to the default page
|
|
*/
|
|
static void gmc_v7_0_set_fault_enable_default(struct amdgpu_device *adev,
|
|
bool value)
|
|
{
|
|
u32 tmp;
|
|
|
|
tmp = RREG32(mmVM_CONTEXT1_CNTL);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
|
|
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
|
|
DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
|
|
PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
|
|
VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
|
|
READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
|
|
WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
|
|
WREG32(mmVM_CONTEXT1_CNTL, tmp);
|
|
}
|
|
|
|
/**
|
|
* gmc_v7_0_gart_enable - gart enable
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* This sets up the TLBs, programs the page tables for VMID0,
|
|
* sets up the hw for VMIDs 1-15 which are allocated on
|
|
* demand, and sets up the global locations for the LDS, GDS,
|
|
* and GPUVM for FSA64 clients (CIK).
|
|
* Returns 0 for success, errors for failure.
|
|
*/
|
|
static int gmc_v7_0_gart_enable(struct amdgpu_device *adev)
|
|
{
|
|
int r, i;
|
|
u32 tmp;
|
|
|
|
if (adev->gart.robj == NULL) {
|
|
dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
|
|
return -EINVAL;
|
|
}
|
|
r = amdgpu_gart_table_vram_pin(adev);
|
|
if (r)
|
|
return r;
|
|
/* Setup TLB control */
|
|
tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
|
|
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
|
|
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
|
|
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
|
|
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
|
|
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
|
|
WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
|
|
/* Setup L2 cache */
|
|
tmp = RREG32(mmVM_L2_CNTL);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
|
|
WREG32(mmVM_L2_CNTL, tmp);
|
|
tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
|
|
WREG32(mmVM_L2_CNTL2, tmp);
|
|
tmp = RREG32(mmVM_L2_CNTL3);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 4);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 4);
|
|
WREG32(mmVM_L2_CNTL3, tmp);
|
|
/* setup context0 */
|
|
WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gtt_start >> 12);
|
|
WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gtt_end >> 12);
|
|
WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12);
|
|
WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
|
|
(u32)(adev->dummy_page.addr >> 12));
|
|
WREG32(mmVM_CONTEXT0_CNTL2, 0);
|
|
tmp = RREG32(mmVM_CONTEXT0_CNTL);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
|
|
WREG32(mmVM_CONTEXT0_CNTL, tmp);
|
|
|
|
WREG32(0x575, 0);
|
|
WREG32(0x576, 0);
|
|
WREG32(0x577, 0);
|
|
|
|
/* empty context1-15 */
|
|
/* FIXME start with 4G, once using 2 level pt switch to full
|
|
* vm size space
|
|
*/
|
|
/* set vm size, must be a multiple of 4 */
|
|
WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
|
|
WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
|
|
for (i = 1; i < 16; i++) {
|
|
if (i < 8)
|
|
WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
|
|
adev->gart.table_addr >> 12);
|
|
else
|
|
WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
|
|
adev->gart.table_addr >> 12);
|
|
}
|
|
|
|
/* enable context1-15 */
|
|
WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
|
|
(u32)(adev->dummy_page.addr >> 12));
|
|
WREG32(mmVM_CONTEXT1_CNTL2, 4);
|
|
tmp = RREG32(mmVM_CONTEXT1_CNTL);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
|
|
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
|
|
amdgpu_vm_block_size - 9);
|
|
WREG32(mmVM_CONTEXT1_CNTL, tmp);
|
|
if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
|
|
gmc_v7_0_set_fault_enable_default(adev, false);
|
|
else
|
|
gmc_v7_0_set_fault_enable_default(adev, true);
|
|
|
|
if (adev->asic_type == CHIP_KAVERI) {
|
|
tmp = RREG32(mmCHUB_CONTROL);
|
|
tmp &= ~BYPASS_VM;
|
|
WREG32(mmCHUB_CONTROL, tmp);
|
|
}
|
|
|
|
gmc_v7_0_gart_flush_gpu_tlb(adev, 0);
|
|
DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
|
|
(unsigned)(adev->mc.gtt_size >> 20),
|
|
(unsigned long long)adev->gart.table_addr);
|
|
adev->gart.ready = true;
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_gart_init(struct amdgpu_device *adev)
|
|
{
|
|
int r;
|
|
|
|
if (adev->gart.robj) {
|
|
WARN(1, "R600 PCIE GART already initialized\n");
|
|
return 0;
|
|
}
|
|
/* Initialize common gart structure */
|
|
r = amdgpu_gart_init(adev);
|
|
if (r)
|
|
return r;
|
|
adev->gart.table_size = adev->gart.num_gpu_pages * 8;
|
|
return amdgpu_gart_table_vram_alloc(adev);
|
|
}
|
|
|
|
/**
|
|
* gmc_v7_0_gart_disable - gart disable
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* This disables all VM page table (CIK).
|
|
*/
|
|
static void gmc_v7_0_gart_disable(struct amdgpu_device *adev)
|
|
{
|
|
u32 tmp;
|
|
|
|
/* Disable all tables */
|
|
WREG32(mmVM_CONTEXT0_CNTL, 0);
|
|
WREG32(mmVM_CONTEXT1_CNTL, 0);
|
|
/* Setup TLB control */
|
|
tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
|
|
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
|
|
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
|
|
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
|
|
WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
|
|
/* Setup L2 cache */
|
|
tmp = RREG32(mmVM_L2_CNTL);
|
|
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
|
|
WREG32(mmVM_L2_CNTL, tmp);
|
|
WREG32(mmVM_L2_CNTL2, 0);
|
|
amdgpu_gart_table_vram_unpin(adev);
|
|
}
|
|
|
|
/**
|
|
* gmc_v7_0_gart_fini - vm fini callback
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Tears down the driver GART/VM setup (CIK).
|
|
*/
|
|
static void gmc_v7_0_gart_fini(struct amdgpu_device *adev)
|
|
{
|
|
amdgpu_gart_table_vram_free(adev);
|
|
amdgpu_gart_fini(adev);
|
|
}
|
|
|
|
/*
|
|
* vm
|
|
* VMID 0 is the physical GPU addresses as used by the kernel.
|
|
* VMIDs 1-15 are used for userspace clients and are handled
|
|
* by the amdgpu vm/hsa code.
|
|
*/
|
|
/**
|
|
* gmc_v7_0_vm_init - cik vm init callback
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Inits cik specific vm parameters (number of VMs, base of vram for
|
|
* VMIDs 1-15) (CIK).
|
|
* Returns 0 for success.
|
|
*/
|
|
static int gmc_v7_0_vm_init(struct amdgpu_device *adev)
|
|
{
|
|
/*
|
|
* number of VMs
|
|
* VMID 0 is reserved for System
|
|
* amdgpu graphics/compute will use VMIDs 1-7
|
|
* amdkfd will use VMIDs 8-15
|
|
*/
|
|
adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS;
|
|
amdgpu_vm_manager_init(adev);
|
|
|
|
/* base offset of vram pages */
|
|
if (adev->flags & AMD_IS_APU) {
|
|
u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
|
|
tmp <<= 22;
|
|
adev->vm_manager.vram_base_offset = tmp;
|
|
} else
|
|
adev->vm_manager.vram_base_offset = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* gmc_v7_0_vm_fini - cik vm fini callback
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Tear down any asic specific VM setup (CIK).
|
|
*/
|
|
static void gmc_v7_0_vm_fini(struct amdgpu_device *adev)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* gmc_v7_0_vm_decode_fault - print human readable fault info
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
* @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
|
|
* @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
|
|
*
|
|
* Print human readable fault information (CIK).
|
|
*/
|
|
static void gmc_v7_0_vm_decode_fault(struct amdgpu_device *adev,
|
|
u32 status, u32 addr, u32 mc_client)
|
|
{
|
|
u32 mc_id;
|
|
u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
|
|
u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
|
|
PROTECTIONS);
|
|
char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
|
|
(mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
|
|
|
|
mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
|
|
MEMORY_CLIENT_ID);
|
|
|
|
printk("VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
|
|
protections, vmid, addr,
|
|
REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
|
|
MEMORY_CLIENT_RW) ?
|
|
"write" : "read", block, mc_client, mc_id);
|
|
}
|
|
|
|
|
|
static const u32 mc_cg_registers[] = {
|
|
mmMC_HUB_MISC_HUB_CG,
|
|
mmMC_HUB_MISC_SIP_CG,
|
|
mmMC_HUB_MISC_VM_CG,
|
|
mmMC_XPB_CLK_GAT,
|
|
mmATC_MISC_CG,
|
|
mmMC_CITF_MISC_WR_CG,
|
|
mmMC_CITF_MISC_RD_CG,
|
|
mmMC_CITF_MISC_VM_CG,
|
|
mmVM_L2_CG,
|
|
};
|
|
|
|
static const u32 mc_cg_ls_en[] = {
|
|
MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK,
|
|
MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK,
|
|
MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK,
|
|
MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK,
|
|
ATC_MISC_CG__MEM_LS_ENABLE_MASK,
|
|
MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK,
|
|
MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK,
|
|
MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK,
|
|
VM_L2_CG__MEM_LS_ENABLE_MASK,
|
|
};
|
|
|
|
static const u32 mc_cg_en[] = {
|
|
MC_HUB_MISC_HUB_CG__ENABLE_MASK,
|
|
MC_HUB_MISC_SIP_CG__ENABLE_MASK,
|
|
MC_HUB_MISC_VM_CG__ENABLE_MASK,
|
|
MC_XPB_CLK_GAT__ENABLE_MASK,
|
|
ATC_MISC_CG__ENABLE_MASK,
|
|
MC_CITF_MISC_WR_CG__ENABLE_MASK,
|
|
MC_CITF_MISC_RD_CG__ENABLE_MASK,
|
|
MC_CITF_MISC_VM_CG__ENABLE_MASK,
|
|
VM_L2_CG__ENABLE_MASK,
|
|
};
|
|
|
|
static void gmc_v7_0_enable_mc_ls(struct amdgpu_device *adev,
|
|
bool enable)
|
|
{
|
|
int i;
|
|
u32 orig, data;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
|
|
orig = data = RREG32(mc_cg_registers[i]);
|
|
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
|
|
data |= mc_cg_ls_en[i];
|
|
else
|
|
data &= ~mc_cg_ls_en[i];
|
|
if (data != orig)
|
|
WREG32(mc_cg_registers[i], data);
|
|
}
|
|
}
|
|
|
|
static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device *adev,
|
|
bool enable)
|
|
{
|
|
int i;
|
|
u32 orig, data;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
|
|
orig = data = RREG32(mc_cg_registers[i]);
|
|
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
|
|
data |= mc_cg_en[i];
|
|
else
|
|
data &= ~mc_cg_en[i];
|
|
if (data != orig)
|
|
WREG32(mc_cg_registers[i], data);
|
|
}
|
|
}
|
|
|
|
static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device *adev,
|
|
bool enable)
|
|
{
|
|
u32 orig, data;
|
|
|
|
orig = data = RREG32_PCIE(ixPCIE_CNTL2);
|
|
|
|
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
|
|
data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1);
|
|
data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1);
|
|
data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1);
|
|
data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1);
|
|
} else {
|
|
data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0);
|
|
data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0);
|
|
data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0);
|
|
data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0);
|
|
}
|
|
|
|
if (orig != data)
|
|
WREG32_PCIE(ixPCIE_CNTL2, data);
|
|
}
|
|
|
|
static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device *adev,
|
|
bool enable)
|
|
{
|
|
u32 orig, data;
|
|
|
|
orig = data = RREG32(mmHDP_HOST_PATH_CNTL);
|
|
|
|
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
|
|
data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0);
|
|
else
|
|
data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1);
|
|
|
|
if (orig != data)
|
|
WREG32(mmHDP_HOST_PATH_CNTL, data);
|
|
}
|
|
|
|
static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device *adev,
|
|
bool enable)
|
|
{
|
|
u32 orig, data;
|
|
|
|
orig = data = RREG32(mmHDP_MEM_POWER_LS);
|
|
|
|
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
|
|
data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1);
|
|
else
|
|
data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0);
|
|
|
|
if (orig != data)
|
|
WREG32(mmHDP_MEM_POWER_LS, data);
|
|
}
|
|
|
|
static int gmc_v7_0_convert_vram_type(int mc_seq_vram_type)
|
|
{
|
|
switch (mc_seq_vram_type) {
|
|
case MC_SEQ_MISC0__MT__GDDR1:
|
|
return AMDGPU_VRAM_TYPE_GDDR1;
|
|
case MC_SEQ_MISC0__MT__DDR2:
|
|
return AMDGPU_VRAM_TYPE_DDR2;
|
|
case MC_SEQ_MISC0__MT__GDDR3:
|
|
return AMDGPU_VRAM_TYPE_GDDR3;
|
|
case MC_SEQ_MISC0__MT__GDDR4:
|
|
return AMDGPU_VRAM_TYPE_GDDR4;
|
|
case MC_SEQ_MISC0__MT__GDDR5:
|
|
return AMDGPU_VRAM_TYPE_GDDR5;
|
|
case MC_SEQ_MISC0__MT__HBM:
|
|
return AMDGPU_VRAM_TYPE_HBM;
|
|
case MC_SEQ_MISC0__MT__DDR3:
|
|
return AMDGPU_VRAM_TYPE_DDR3;
|
|
default:
|
|
return AMDGPU_VRAM_TYPE_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
static int gmc_v7_0_early_init(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
gmc_v7_0_set_gart_funcs(adev);
|
|
gmc_v7_0_set_irq_funcs(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_late_init(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
|
|
return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_sw_init(void *handle)
|
|
{
|
|
int r;
|
|
int dma_bits;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
if (adev->flags & AMD_IS_APU) {
|
|
adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
|
|
} else {
|
|
u32 tmp = RREG32(mmMC_SEQ_MISC0);
|
|
tmp &= MC_SEQ_MISC0__MT__MASK;
|
|
adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp);
|
|
}
|
|
|
|
r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault);
|
|
if (r)
|
|
return r;
|
|
|
|
r = amdgpu_irq_add_id(adev, 147, &adev->mc.vm_fault);
|
|
if (r)
|
|
return r;
|
|
|
|
/* Adjust VM size here.
|
|
* Currently set to 4GB ((1 << 20) 4k pages).
|
|
* Max GPUVM size for cayman and SI is 40 bits.
|
|
*/
|
|
adev->vm_manager.max_pfn = amdgpu_vm_size << 18;
|
|
|
|
/* Set the internal MC address mask
|
|
* This is the max address of the GPU's
|
|
* internal address space.
|
|
*/
|
|
adev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
|
|
|
|
/* set DMA mask + need_dma32 flags.
|
|
* PCIE - can handle 40-bits.
|
|
* IGP - can handle 40-bits
|
|
* PCI - dma32 for legacy pci gart, 40 bits on newer asics
|
|
*/
|
|
adev->need_dma32 = false;
|
|
dma_bits = adev->need_dma32 ? 32 : 40;
|
|
r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
|
|
if (r) {
|
|
adev->need_dma32 = true;
|
|
dma_bits = 32;
|
|
printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
|
|
}
|
|
r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
|
|
if (r) {
|
|
pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32));
|
|
printk(KERN_WARNING "amdgpu: No coherent DMA available.\n");
|
|
}
|
|
|
|
r = gmc_v7_0_init_microcode(adev);
|
|
if (r) {
|
|
DRM_ERROR("Failed to load mc firmware!\n");
|
|
return r;
|
|
}
|
|
|
|
r = gmc_v7_0_mc_init(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
/* Memory manager */
|
|
r = amdgpu_bo_init(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
r = gmc_v7_0_gart_init(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
if (!adev->vm_manager.enabled) {
|
|
r = gmc_v7_0_vm_init(adev);
|
|
if (r) {
|
|
dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
|
|
return r;
|
|
}
|
|
adev->vm_manager.enabled = true;
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static int gmc_v7_0_sw_fini(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
if (adev->vm_manager.enabled) {
|
|
amdgpu_vm_manager_fini(adev);
|
|
gmc_v7_0_vm_fini(adev);
|
|
adev->vm_manager.enabled = false;
|
|
}
|
|
gmc_v7_0_gart_fini(adev);
|
|
amdgpu_gem_force_release(adev);
|
|
amdgpu_bo_fini(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_hw_init(void *handle)
|
|
{
|
|
int r;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
gmc_v7_0_init_golden_registers(adev);
|
|
|
|
gmc_v7_0_mc_program(adev);
|
|
|
|
if (!(adev->flags & AMD_IS_APU)) {
|
|
r = gmc_v7_0_mc_load_microcode(adev);
|
|
if (r) {
|
|
DRM_ERROR("Failed to load MC firmware!\n");
|
|
return r;
|
|
}
|
|
}
|
|
|
|
r = gmc_v7_0_gart_enable(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
return r;
|
|
}
|
|
|
|
static int gmc_v7_0_hw_fini(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
amdgpu_irq_put(adev, &adev->mc.vm_fault, 0);
|
|
gmc_v7_0_gart_disable(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_suspend(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
if (adev->vm_manager.enabled) {
|
|
gmc_v7_0_vm_fini(adev);
|
|
adev->vm_manager.enabled = false;
|
|
}
|
|
gmc_v7_0_hw_fini(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_resume(void *handle)
|
|
{
|
|
int r;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
r = gmc_v7_0_hw_init(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
if (!adev->vm_manager.enabled) {
|
|
r = gmc_v7_0_vm_init(adev);
|
|
if (r) {
|
|
dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
|
|
return r;
|
|
}
|
|
adev->vm_manager.enabled = true;
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static bool gmc_v7_0_is_idle(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
u32 tmp = RREG32(mmSRBM_STATUS);
|
|
|
|
if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
|
|
SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
static int gmc_v7_0_wait_for_idle(void *handle)
|
|
{
|
|
unsigned i;
|
|
u32 tmp;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
for (i = 0; i < adev->usec_timeout; i++) {
|
|
/* read MC_STATUS */
|
|
tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
|
|
SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
|
|
SRBM_STATUS__MCC_BUSY_MASK |
|
|
SRBM_STATUS__MCD_BUSY_MASK |
|
|
SRBM_STATUS__VMC_BUSY_MASK);
|
|
if (!tmp)
|
|
return 0;
|
|
udelay(1);
|
|
}
|
|
return -ETIMEDOUT;
|
|
|
|
}
|
|
|
|
static int gmc_v7_0_soft_reset(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
struct amdgpu_mode_mc_save save;
|
|
u32 srbm_soft_reset = 0;
|
|
u32 tmp = RREG32(mmSRBM_STATUS);
|
|
|
|
if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
|
|
srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
|
|
SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
|
|
|
|
if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
|
|
SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
|
|
if (!(adev->flags & AMD_IS_APU))
|
|
srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
|
|
SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
|
|
}
|
|
|
|
if (srbm_soft_reset) {
|
|
gmc_v7_0_mc_stop(adev, &save);
|
|
if (gmc_v7_0_wait_for_idle((void *)adev)) {
|
|
dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
|
|
}
|
|
|
|
|
|
tmp = RREG32(mmSRBM_SOFT_RESET);
|
|
tmp |= srbm_soft_reset;
|
|
dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
|
|
WREG32(mmSRBM_SOFT_RESET, tmp);
|
|
tmp = RREG32(mmSRBM_SOFT_RESET);
|
|
|
|
udelay(50);
|
|
|
|
tmp &= ~srbm_soft_reset;
|
|
WREG32(mmSRBM_SOFT_RESET, tmp);
|
|
tmp = RREG32(mmSRBM_SOFT_RESET);
|
|
|
|
/* Wait a little for things to settle down */
|
|
udelay(50);
|
|
|
|
gmc_v7_0_mc_resume(adev, &save);
|
|
udelay(50);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
|
|
struct amdgpu_irq_src *src,
|
|
unsigned type,
|
|
enum amdgpu_interrupt_state state)
|
|
{
|
|
u32 tmp;
|
|
u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
|
|
VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
|
|
VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
|
|
VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
|
|
VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
|
|
VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
|
|
|
|
switch (state) {
|
|
case AMDGPU_IRQ_STATE_DISABLE:
|
|
/* system context */
|
|
tmp = RREG32(mmVM_CONTEXT0_CNTL);
|
|
tmp &= ~bits;
|
|
WREG32(mmVM_CONTEXT0_CNTL, tmp);
|
|
/* VMs */
|
|
tmp = RREG32(mmVM_CONTEXT1_CNTL);
|
|
tmp &= ~bits;
|
|
WREG32(mmVM_CONTEXT1_CNTL, tmp);
|
|
break;
|
|
case AMDGPU_IRQ_STATE_ENABLE:
|
|
/* system context */
|
|
tmp = RREG32(mmVM_CONTEXT0_CNTL);
|
|
tmp |= bits;
|
|
WREG32(mmVM_CONTEXT0_CNTL, tmp);
|
|
/* VMs */
|
|
tmp = RREG32(mmVM_CONTEXT1_CNTL);
|
|
tmp |= bits;
|
|
WREG32(mmVM_CONTEXT1_CNTL, tmp);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev,
|
|
struct amdgpu_irq_src *source,
|
|
struct amdgpu_iv_entry *entry)
|
|
{
|
|
u32 addr, status, mc_client;
|
|
|
|
addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
|
|
status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
|
|
mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
|
|
/* reset addr and status */
|
|
WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
|
|
|
|
if (!addr && !status)
|
|
return 0;
|
|
|
|
if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
|
|
gmc_v7_0_set_fault_enable_default(adev, false);
|
|
|
|
dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
|
|
entry->src_id, entry->src_data);
|
|
dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
|
|
addr);
|
|
dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
|
|
status);
|
|
gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_set_clockgating_state(void *handle,
|
|
enum amd_clockgating_state state)
|
|
{
|
|
bool gate = false;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
if (state == AMD_CG_STATE_GATE)
|
|
gate = true;
|
|
|
|
if (!(adev->flags & AMD_IS_APU)) {
|
|
gmc_v7_0_enable_mc_mgcg(adev, gate);
|
|
gmc_v7_0_enable_mc_ls(adev, gate);
|
|
}
|
|
gmc_v7_0_enable_bif_mgls(adev, gate);
|
|
gmc_v7_0_enable_hdp_mgcg(adev, gate);
|
|
gmc_v7_0_enable_hdp_ls(adev, gate);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v7_0_set_powergating_state(void *handle,
|
|
enum amd_powergating_state state)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
const struct amd_ip_funcs gmc_v7_0_ip_funcs = {
|
|
.name = "gmc_v7_0",
|
|
.early_init = gmc_v7_0_early_init,
|
|
.late_init = gmc_v7_0_late_init,
|
|
.sw_init = gmc_v7_0_sw_init,
|
|
.sw_fini = gmc_v7_0_sw_fini,
|
|
.hw_init = gmc_v7_0_hw_init,
|
|
.hw_fini = gmc_v7_0_hw_fini,
|
|
.suspend = gmc_v7_0_suspend,
|
|
.resume = gmc_v7_0_resume,
|
|
.is_idle = gmc_v7_0_is_idle,
|
|
.wait_for_idle = gmc_v7_0_wait_for_idle,
|
|
.soft_reset = gmc_v7_0_soft_reset,
|
|
.set_clockgating_state = gmc_v7_0_set_clockgating_state,
|
|
.set_powergating_state = gmc_v7_0_set_powergating_state,
|
|
};
|
|
|
|
static const struct amdgpu_gart_funcs gmc_v7_0_gart_funcs = {
|
|
.flush_gpu_tlb = gmc_v7_0_gart_flush_gpu_tlb,
|
|
.set_pte_pde = gmc_v7_0_gart_set_pte_pde,
|
|
};
|
|
|
|
static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs = {
|
|
.set = gmc_v7_0_vm_fault_interrupt_state,
|
|
.process = gmc_v7_0_process_interrupt,
|
|
};
|
|
|
|
static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev)
|
|
{
|
|
if (adev->gart.gart_funcs == NULL)
|
|
adev->gart.gart_funcs = &gmc_v7_0_gart_funcs;
|
|
}
|
|
|
|
static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev)
|
|
{
|
|
adev->mc.vm_fault.num_types = 1;
|
|
adev->mc.vm_fault.funcs = &gmc_v7_0_irq_funcs;
|
|
}
|