Release 4.11 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
/*
* Copyright 2014 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <linux/module.h>
#include <linux/fdtable.h>
#include <linux/uaccess.h>
#include <linux/firmware.h>
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_amdkfd.h"
#include "amdgpu_ucode.h"
#include "gca/gfx_8_0_sh_mask.h"
#include "gca/gfx_8_0_d.h"
#include "gca/gfx_8_0_enum.h"
#include "oss/oss_3_0_sh_mask.h"
#include "oss/oss_3_0_d.h"
#include "gmc/gmc_8_1_sh_mask.h"
#include "gmc/gmc_8_1_d.h"
#include "vi_structs.h"
#include "vid.h"
#define VI_PIPE_PER_MEC (4)
struct cik_sdma_rlc_registers;
/*
* Register access functions
*/
static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
uint32_t sh_mem_config,
uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit,
uint32_t sh_mem_bases);
static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
unsigned int vmid);
static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
uint32_t hpd_size, uint64_t hpd_gpu_addr);
static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
uint32_t queue_id, uint32_t __user *wptr);
static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd);
static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id);
static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd);
static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
unsigned int utimeout, uint32_t pipe_id,
uint32_t queue_id);
static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
unsigned int utimeout);
static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid);
static int kgd_address_watch_disable(struct kgd_dev *kgd);
static int kgd_address_watch_execute(struct kgd_dev *kgd,
unsigned int watch_point_id,
uint32_t cntl_val,
uint32_t addr_hi,
uint32_t addr_lo);
static int kgd_wave_control_execute(struct kgd_dev *kgd,
uint32_t gfx_index_val,
uint32_t sq_cmd);
static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
unsigned int watch_point_id,
unsigned int reg_offset);
static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd,
uint8_t vmid);
static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
uint8_t vmid);
static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid);
static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type);
static const struct kfd2kgd_calls kfd2kgd = {
.init_gtt_mem_allocation = alloc_gtt_mem,
.free_gtt_mem = free_gtt_mem,
.get_vmem_size = get_vmem_size,
.get_gpu_clock_counter = get_gpu_clock_counter,
.get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz,
.program_sh_mem_settings = kgd_program_sh_mem_settings,
.set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping,
.init_pipeline = kgd_init_pipeline,
.init_interrupts = kgd_init_interrupts,
.hqd_load = kgd_hqd_load,
.hqd_sdma_load = kgd_hqd_sdma_load,
.hqd_is_occupied = kgd_hqd_is_occupied,
.hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied,
.hqd_destroy = kgd_hqd_destroy,
.hqd_sdma_destroy = kgd_hqd_sdma_destroy,
.address_watch_disable = kgd_address_watch_disable,
.address_watch_execute = kgd_address_watch_execute,
.wave_control_execute = kgd_wave_control_execute,
.address_watch_get_offset = kgd_address_watch_get_offset,
.get_atc_vmid_pasid_mapping_pasid =
get_atc_vmid_pasid_mapping_pasid,
.get_atc_vmid_pasid_mapping_valid =
get_atc_vmid_pasid_mapping_valid,
.write_vmid_invalidate_request = write_vmid_invalidate_request,
.get_fw_version = get_fw_version
};
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void)
{
return (struct kfd2kgd_calls *)&kfd2kgd;
}
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static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
{
return (struct amdgpu_device *)kgd;
}
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static void lock_srbm(struct kgd_dev *kgd, uint32_t mec, uint32_t pipe,
uint32_t queue, uint32_t vmid)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
uint32_t value = PIPEID(pipe) | MEID(mec) | VMID(vmid) | QUEUEID(queue);
mutex_lock(&adev->srbm_mutex);
WREG32(mmSRBM_GFX_CNTL, value);
}
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static void unlock_srbm(struct kgd_dev *kgd)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
WREG32(mmSRBM_GFX_CNTL, 0);
mutex_unlock(&adev->srbm_mutex);
}
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static void acquire_queue(struct kgd_dev *kgd, uint32_t pipe_id,
uint32_t queue_id)
{
uint32_t mec = (++pipe_id / VI_PIPE_PER_MEC) + 1;
uint32_t pipe = (pipe_id % VI_PIPE_PER_MEC);
lock_srbm(kgd, mec, pipe, queue_id, 0);
}
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static void release_queue(struct kgd_dev *kgd)
{
unlock_srbm(kgd);
}
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static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
uint32_t sh_mem_config,
uint32_t sh_mem_ape1_base,
uint32_t sh_mem_ape1_limit,
uint32_t sh_mem_bases)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
lock_srbm(kgd, 0, 0, 0, vmid);
WREG32(mmSH_MEM_CONFIG, sh_mem_config);
WREG32(mmSH_MEM_APE1_BASE, sh_mem_ape1_base);
WREG32(mmSH_MEM_APE1_LIMIT, sh_mem_ape1_limit);
WREG32(mmSH_MEM_BASES, sh_mem_bases);
unlock_srbm(kgd);
}
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static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
unsigned int vmid)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
/*
* We have to assume that there is no outstanding mapping.
* The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because
* a mapping is in progress or because a mapping finished
* and the SW cleared it.
* So the protocol is to always wait & clear.
*/
uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid |
ATC_VMID0_PASID_MAPPING__VALID_MASK;
WREG32(mmATC_VMID0_PASID_MAPPING + vmid, pasid_mapping);
while (!(RREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS) & (1U << vmid)))
cpu_relax();
WREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid);
/* Mapping vmid to pasid also for IH block */
WREG32(mmIH_VMID_0_LUT + vmid, pasid_mapping);
return 0;
}
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static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
uint32_t hpd_size, uint64_t hpd_gpu_addr)
{
return 0;
}
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static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
uint32_t mec;
uint32_t pipe;
mec = (++pipe_id / VI_PIPE_PER_MEC) + 1;
pipe = (pipe_id % VI_PIPE_PER_MEC);
lock_srbm(kgd, mec, pipe, 0, 0);
WREG32(mmCPC_INT_CNTL, CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK);
unlock_srbm(kgd);
return 0;
}
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static inline uint32_t get_sdma_base_addr(struct cik_sdma_rlc_registers *m)
{
return 0;
}
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static inline struct vi_mqd *get_mqd(void *mqd)
{
return (struct vi_mqd *)mqd;
}
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static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd)
{
return (struct cik_sdma_rlc_registers *)mqd;
}
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static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
uint32_t queue_id, uint32_t __user *wptr)
{
struct vi_mqd *m;
uint32_t shadow_wptr, valid_wptr;
struct amdgpu_device *adev = get_amdgpu_device(kgd);
m = get_mqd(mqd);
valid_wptr = copy_from_user(&shadow_wptr, wptr, sizeof(shadow_wptr));
acquire_queue(kgd, pipe_id, queue_id);
WREG32(mmCP_MQD_CONTROL, m->cp_mqd_control);
WREG32(mmCP_MQD_BASE_ADDR, m->cp_mqd_base_addr_lo);
WREG32(mmCP_MQD_BASE_ADDR_HI, m->cp_mqd_base_addr_hi);
WREG32(mmCP_HQD_VMID, m->cp_hqd_vmid);
WREG32(mmCP_HQD_PERSISTENT_STATE, m->cp_hqd_persistent_state);
WREG32(mmCP_HQD_PIPE_PRIORITY, m->cp_hqd_pipe_priority);
WREG32(mmCP_HQD_QUEUE_PRIORITY, m->cp_hqd_queue_priority);
WREG32(mmCP_HQD_QUANTUM, m->cp_hqd_quantum);
WREG32(mmCP_HQD_PQ_BASE, m->cp_hqd_pq_base_lo);
WREG32(mmCP_HQD_PQ_BASE_HI, m->cp_hqd_pq_base_hi);
WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR, m->cp_hqd_pq_rptr_report_addr_lo);
WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR_HI,
m->cp_hqd_pq_rptr_report_addr_hi);
if (valid_wptr > 0)
WREG32(mmCP_HQD_PQ_WPTR, shadow_wptr);
WREG32(mmCP_HQD_PQ_CONTROL, m->cp_hqd_pq_control);
WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, m->cp_hqd_pq_doorbell_control);
WREG32(mmCP_HQD_EOP_BASE_ADDR, m->cp_hqd_eop_base_addr_lo);
WREG32(mmCP_HQD_EOP_BASE_ADDR_HI, m->cp_hqd_eop_base_addr_hi);
WREG32(mmCP_HQD_EOP_CONTROL, m->cp_hqd_eop_control);
WREG32(mmCP_HQD_EOP_RPTR, m->cp_hqd_eop_rptr);
WREG32(mmCP_HQD_EOP_WPTR, m->cp_hqd_eop_wptr);
WREG32(mmCP_HQD_EOP_EVENTS, m->cp_hqd_eop_done_events);
WREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_LO, m->cp_hqd_ctx_save_base_addr_lo);
WREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_HI, m->cp_hqd_ctx_save_base_addr_hi);
WREG32(mmCP_HQD_CTX_SAVE_CONTROL, m->cp_hqd_ctx_save_control);
WREG32(mmCP_HQD_CNTL_STACK_OFFSET, m->cp_hqd_cntl_stack_offset);
WREG32(mmCP_HQD_CNTL_STACK_SIZE, m->cp_hqd_cntl_stack_size);
WREG32(mmCP_HQD_WG_STATE_OFFSET, m->cp_hqd_wg_state_offset);
WREG32(mmCP_HQD_CTX_SAVE_SIZE, m->cp_hqd_ctx_save_size);
WREG32(mmCP_HQD_IB_CONTROL, m->cp_hqd_ib_control);
WREG32(mmCP_HQD_DEQUEUE_REQUEST, m->cp_hqd_dequeue_request);
WREG32(mmCP_HQD_ERROR, m->cp_hqd_error);
WREG32(mmCP_HQD_EOP_WPTR_MEM, m->cp_hqd_eop_wptr_mem);
WREG32(mmCP_HQD_EOP_DONES, m->cp_hqd_eop_dones);
WREG32(mmCP_HQD_ACTIVE, m->cp_hqd_active);
release_queue(kgd);
return 0;
}
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static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd)
{
return 0;
}
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static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
uint32_t act;
bool retval = false;
uint32_t low, high;
acquire_queue(kgd, pipe_id, queue_id);
act = RREG32(mmCP_HQD_ACTIVE);
if (act) {
low = lower_32_bits(queue_address >> 8);
high = upper_32_bits(queue_address >> 8);
if (low == RREG32(mmCP_HQD_PQ_BASE) &&
high == RREG32(mmCP_HQD_PQ_BASE_HI))
retval = true;
}
release_queue(kgd);
return retval;
}
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static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
struct cik_sdma_rlc_registers *m;
uint32_t sdma_base_addr;
uint32_t sdma_rlc_rb_cntl;
m = get_sdma_mqd(mqd);
sdma_base_addr = get_sdma_base_addr(m);
sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
return true;
return false;
}
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static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
unsigned int utimeout, uint32_t pipe_id,
uint32_t queue_id)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
uint32_t temp;
int timeout = utimeout;
acquire_queue(kgd, pipe_id, queue_id);
WREG32(mmCP_HQD_DEQUEUE_REQUEST, reset_type);
while (true) {
temp = RREG32(mmCP_HQD_ACTIVE);
if (temp & CP_HQD_ACTIVE__ACTIVE_MASK)
break;
if (timeout <= 0) {
pr_err("kfd: cp queue preemption time out.\n");
release_queue(kgd);
return -ETIME;
}
msleep(20);
timeout -= 20;
}
release_queue(kgd);
return 0;
}
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static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
unsigned int utimeout)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
struct cik_sdma_rlc_registers *m;
uint32_t sdma_base_addr;
uint32_t temp;
int timeout = utimeout;
m = get_sdma_mqd(mqd);
sdma_base_addr = get_sdma_base_addr(m);
temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp);
while (true) {
temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
if (temp & SDMA0_STATUS_REG__RB_CMD_IDLE__SHIFT)
break;
if (timeout <= 0)
return -ETIME;
msleep(20);
timeout -= 20;
}
WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0);
WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0);
WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, 0);
return 0;
}
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static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd,
uint8_t vmid)
{
uint32_t reg;
struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
reg = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
return reg & ATC_VMID0_PASID_MAPPING__VALID_MASK;
}
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static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
uint8_t vmid)
{
uint32_t reg;
struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
reg = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
return reg & ATC_VMID0_PASID_MAPPING__VALID_MASK;
}
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static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid)
{
struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
}
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static int kgd_address_watch_disable(struct kgd_dev *kgd)
{
return 0;
}
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static int kgd_address_watch_execute(struct kgd_dev *kgd,
unsigned int watch_point_id,
uint32_t cntl_val,
uint32_t addr_hi,
uint32_t addr_lo)
{
return 0;
}
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static int kgd_wave_control_execute(struct kgd_dev *kgd,
uint32_t gfx_index_val,
uint32_t sq_cmd)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
uint32_t data = 0;
mutex_lock(&adev->grbm_idx_mutex);
WREG32(mmGRBM_GFX_INDEX, gfx_index_val);
WREG32(mmSQ_CMD, sq_cmd);
data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
INSTANCE_BROADCAST_WRITES, 1);
data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
SH_BROADCAST_WRITES, 1);
data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
SE_BROADCAST_WRITES, 1);
WREG32(mmGRBM_GFX_INDEX, data);
mutex_unlock(&adev->grbm_idx_mutex);
return 0;
}
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static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
unsigned int watch_point_id,
unsigned int reg_offset)
{
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Ben Goz | 22 | 100.00% | 1 | 100.00% |
Total | 22 | 100.00% | 1 | 100.00% |
static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type)
{
struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
const union amdgpu_firmware_header *hdr;
BUG_ON(kgd == NULL);
switch (type) {
case KGD_ENGINE_PFP:
hdr = (const union amdgpu_firmware_header *)
adev->gfx.pfp_fw->data;
break;
case KGD_ENGINE_ME:
hdr = (const union amdgpu_firmware_header *)
adev->gfx.me_fw->data;
break;
case KGD_ENGINE_CE:
hdr = (const union amdgpu_firmware_header *)
adev->gfx.ce_fw->data;
break;
case KGD_ENGINE_MEC1:
hdr = (const union amdgpu_firmware_header *)
adev->gfx.mec_fw->data;
break;
case KGD_ENGINE_MEC2:
hdr = (const union amdgpu_firmware_header *)
adev->gfx.mec2_fw->data;
break;
case KGD_ENGINE_RLC:
hdr = (const union amdgpu_firmware_header *)
adev->gfx.rlc_fw->data;
break;
case KGD_ENGINE_SDMA1:
hdr = (const union amdgpu_firmware_header *)
adev->sdma.instance[0].fw->data;
break;
case KGD_ENGINE_SDMA2:
hdr = (const union amdgpu_firmware_header *)
adev->sdma.instance[1].fw->data;
break;
default:
return 0;
}
if (hdr == NULL)
return 0;
/* Only 12 bit in use*/
return hdr->common.ucode_version;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Ben Goz | 233 | 98.31% | 1 | 50.00% |
Alex Deucher | 4 | 1.69% | 1 | 50.00% |
Total | 237 | 100.00% | 2 | 100.00% |
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Ben Goz | 2439 | 99.03% | 1 | 25.00% |
Edward O'Callaghan | 17 | 0.69% | 1 | 25.00% |
Alex Deucher | 4 | 0.16% | 1 | 25.00% |
Colin Ian King | 3 | 0.12% | 1 | 25.00% |
Total | 2463 | 100.00% | 4 | 100.00% |
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