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drm/amdgpu: Move KFD parameters to amdgpu (v3) 

After merging KFD into amdgpu, move module parameters defined in KFD to
amdgpu_drv.c, where other module parameters are declared.

v2: add kernel-doc comments
v3: rebase and fix parameter variable name (Alex)

Signed-off-by: Amber Lin <Amber.Lin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Amber Lin 2018-08-23 10:52:34 -04:00 committed by Alex Deucher
parent 82b7b619c4
commit 521fb7d021
2 changed files with 96 additions and 45 deletions
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96
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View File

@ -39,6 +39,7 @@
#include "amdgpu_gem.h" #include "amdgpu_gem.h"
#include "amdgpu_amdkfd.h" #include "amdgpu_amdkfd.h"
#include "kfd_priv.h"
/* /*
* KMS wrapper. * KMS wrapper.
@ -127,6 +128,16 @@ int amdgpu_compute_multipipe = -1;
int amdgpu_gpu_recovery = -1; /* auto */ int amdgpu_gpu_recovery = -1; /* auto */
int amdgpu_emu_mode = 0; int amdgpu_emu_mode = 0;
uint amdgpu_smu_memory_pool_size = 0; uint amdgpu_smu_memory_pool_size = 0;
/* KFD parameters */
int sched_policy = KFD_SCHED_POLICY_HWS;
int hws_max_conc_proc = 8;
int cwsr_enable = 1;
int max_num_of_queues_per_device = KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT;
int send_sigterm;
int debug_largebar;
int ignore_crat;
int noretry;
int halt_if_hws_hang;
/** /**
* DOC: vramlimit (int) * DOC: vramlimit (int)
@ -532,6 +543,91 @@ MODULE_PARM_DESC(smu_memory_pool_size,
"0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte"); "0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte");
module_param_named(smu_memory_pool_size, amdgpu_smu_memory_pool_size, uint, 0444); module_param_named(smu_memory_pool_size, amdgpu_smu_memory_pool_size, uint, 0444);
/**
* DOC: sched_policy (int)
* Set scheduling policy. Default is HWS(hardware scheduling) with over-subscription.
* Setting 1 disables over-subscription. Setting 2 disables HWS and statically
* assigns queues to HQDs.
*/
module_param(sched_policy, int, 0444);
MODULE_PARM_DESC(sched_policy,
"Scheduling policy (0 = HWS (Default), 1 = HWS without over-subscription, 2 = Non-HWS (Used for debugging only)");
/**
* DOC: hws_max_conc_proc (int)
* Maximum number of processes that HWS can schedule concurrently. The maximum is the
* number of VMIDs assigned to the HWS, which is also the default.
*/
module_param(hws_max_conc_proc, int, 0444);
MODULE_PARM_DESC(hws_max_conc_proc,
"Max # processes HWS can execute concurrently when sched_policy=0 (0 = no concurrency, #VMIDs for KFD = Maximum(default))");
/**
* DOC: cwsr_enable (int)
* CWSR(compute wave store and resume) allows the GPU to preempt shader execution in
* the middle of a compute wave. Default is 1 to enable this feature. Setting 0
* disables it.
*/
module_param(cwsr_enable, int, 0444);
MODULE_PARM_DESC(cwsr_enable, "CWSR enable (0 = Off, 1 = On (Default))");
/**
* DOC: max_num_of_queues_per_device (int)
* Maximum number of queues per device. Valid setting is between 1 and 4096. Default
* is 4096.
*/
module_param(max_num_of_queues_per_device, int, 0444);
MODULE_PARM_DESC(max_num_of_queues_per_device,
"Maximum number of supported queues per device (1 = Minimum, 4096 = default)");
/**
* DOC: send_sigterm (int)
* Send sigterm to HSA process on unhandled exceptions. Default is not to send sigterm
* but just print errors on dmesg. Setting 1 enables sending sigterm.
*/
module_param(send_sigterm, int, 0444);
MODULE_PARM_DESC(send_sigterm,
"Send sigterm to HSA process on unhandled exception (0 = disable, 1 = enable)");
/**
* DOC: debug_largebar (int)
* Set debug_largebar as 1 to enable simulating large-bar capability on non-large bar
* system. This limits the VRAM size reported to ROCm applications to the visible
* size, usually 256MB.
* Default value is 0, diabled.
*/
module_param(debug_largebar, int, 0444);
MODULE_PARM_DESC(debug_largebar,
"Debug large-bar flag used to simulate large-bar capability on non-large bar machine (0 = disable, 1 = enable)");
/**
* DOC: ignore_crat (int)
* Ignore CRAT table during KFD initialization. By default, KFD uses the ACPI CRAT
* table to get information about AMD APUs. This option can serve as a workaround on
* systems with a broken CRAT table.
*/
module_param(ignore_crat, int, 0444);
MODULE_PARM_DESC(ignore_crat,
"Ignore CRAT table during KFD initialization (0 = use CRAT (default), 1 = ignore CRAT)");
/**
* DOC: noretry (int)
* This parameter sets sh_mem_config.retry_disable. Default value, 0, enables retry.
* Setting 1 disables retry.
* Retry is needed for recoverable page faults.
*/
module_param(noretry, int, 0644);
MODULE_PARM_DESC(noretry,
"Set sh_mem_config.retry_disable on Vega10 (0 = retry enabled (default), 1 = retry disabled)");
/**
* DOC: halt_if_hws_hang (int)
* Halt if HWS hang is detected. Default value, 0, disables the halt on hang.
* Setting 1 enables halt on hang.
*/
module_param(halt_if_hws_hang, int, 0644);
MODULE_PARM_DESC(halt_if_hws_hang, "Halt if HWS hang is detected (0 = off (default), 1 = on)");
static const struct pci_device_id pciidlist[] = { static const struct pci_device_id pciidlist[] = {
#ifdef CONFIG_DRM_AMDGPU_SI #ifdef CONFIG_DRM_AMDGPU_SI
{0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI}, {0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},

45
drivers/gpu/drm/amd/amdkfd/kfd_module.c
View File

@ -21,7 +21,6 @@
*/ */
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/moduleparam.h>
#include <linux/device.h> #include <linux/device.h>
#include "kfd_priv.h" #include "kfd_priv.h"
@ -41,50 +40,6 @@ static const struct kgd2kfd_calls kgd2kfd = {
.post_reset = kgd2kfd_post_reset, .post_reset = kgd2kfd_post_reset,
}; };
int sched_policy = KFD_SCHED_POLICY_HWS;
module_param(sched_policy, int, 0444);
MODULE_PARM_DESC(sched_policy,
"Scheduling policy (0 = HWS (Default), 1 = HWS without over-subscription, 2 = Non-HWS (Used for debugging only)");
int hws_max_conc_proc = 8;
module_param(hws_max_conc_proc, int, 0444);
MODULE_PARM_DESC(hws_max_conc_proc,
"Max # processes HWS can execute concurrently when sched_policy=0 (0 = no concurrency, #VMIDs for KFD = Maximum(default))");
int cwsr_enable = 1;
module_param(cwsr_enable, int, 0444);
MODULE_PARM_DESC(cwsr_enable, "CWSR enable (0 = off, 1 = on (default))");
int max_num_of_queues_per_device = KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT;
module_param(max_num_of_queues_per_device, int, 0444);
MODULE_PARM_DESC(max_num_of_queues_per_device,
"Maximum number of supported queues per device (1 = Minimum, 4096 = default)");
int send_sigterm;
module_param(send_sigterm, int, 0444);
MODULE_PARM_DESC(send_sigterm,
"Send sigterm to HSA process on unhandled exception (0 = disable, 1 = enable)");
int debug_largebar;
module_param(debug_largebar, int, 0444);
MODULE_PARM_DESC(debug_largebar,
"Debug large-bar flag used to simulate large-bar capability on non-large bar machine (0 = disable, 1 = enable)");
int ignore_crat;
module_param(ignore_crat, int, 0444);
MODULE_PARM_DESC(ignore_crat,
"Ignore CRAT table during KFD initialization (0 = use CRAT (default), 1 = ignore CRAT)");
int noretry;
module_param(noretry, int, 0644);
MODULE_PARM_DESC(noretry,
"Set sh_mem_config.retry_disable on GFXv9+ dGPUs (0 = retry enabled (default), 1 = retry disabled)");
int halt_if_hws_hang;
module_param(halt_if_hws_hang, int, 0644);
MODULE_PARM_DESC(halt_if_hws_hang, "Halt if HWS hang is detected (0 = off (default), 1 = on)");
static int kfd_init(void) static int kfd_init(void)
{ {
int err; int err;