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drm/amdgpu : Add mes_log_enable to control mes log feature

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The MES log might slow down the performance for extra step of log the data,
disable it by default and introduce a parameter can enable it when necessary

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
shaoyunl 2024-03-22 12:25:16 -04:00 committed by Alex Deucher
parent fedb6ae497
commit e58acb7613
4 changed files with 20 additions and 3 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -210,6 +210,7 @@ extern int amdgpu_async_gfx_ring;
extern int amdgpu_mcbp;
extern int amdgpu_discovery;
extern int amdgpu_mes;
extern int amdgpu_mes_log_enable;
extern int amdgpu_mes_kiq;
extern int amdgpu_noretry;
extern int amdgpu_force_asic_type;

10
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View File

@ -195,6 +195,7 @@ int amdgpu_async_gfx_ring = 1;
int amdgpu_mcbp = -1;
int amdgpu_discovery = -1;
int amdgpu_mes;
int amdgpu_mes_log_enable = 0;
int amdgpu_mes_kiq;
int amdgpu_noretry = -1;
int amdgpu_force_asic_type = -1;
@ -667,6 +668,15 @@ MODULE_PARM_DESC(mes,
"Enable Micro Engine Scheduler (0 = disabled (default), 1 = enabled)");
module_param_named(mes, amdgpu_mes, int, 0444);
/**
* DOC: mes_log_enable (int)
* Enable Micro Engine Scheduler log. This is used to enable/disable MES internal log.
* (0 = disabled (default), 1 = enabled)
*/
MODULE_PARM_DESC(mes_log_enable,
"Enable Micro Engine Scheduler log (0 = disabled (default), 1 = enabled)");
module_param_named(mes_log_enable, amdgpu_mes_log_enable, int, 0444);
/**
* DOC: mes_kiq (int)
* Enable Micro Engine Scheduler KIQ. This is a new engine pipe for kiq.

5
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View File

@ -100,6 +100,9 @@ static int amdgpu_mes_event_log_init(struct amdgpu_device *adev)
{
int r;
if (!amdgpu_mes_log_enable)
return 0;
r = amdgpu_bo_create_kernel(adev, PAGE_SIZE, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_GTT,
&adev->mes.event_log_gpu_obj,
@ -1561,7 +1564,7 @@ void amdgpu_debugfs_mes_event_log_init(struct amdgpu_device *adev)
#if defined(CONFIG_DEBUG_FS)
struct drm_minor *minor = adev_to_drm(adev)->primary;
struct dentry *root = minor->debugfs_root;
if (adev->enable_mes)
if (adev->enable_mes && amdgpu_mes_log_enable)
debugfs_create_file("amdgpu_mes_event_log", 0444, root,
adev, &amdgpu_debugfs_mes_event_log_fops);

7
drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
View File

@ -411,8 +411,11 @@ static int mes_v11_0_set_hw_resources(struct amdgpu_mes *mes)
mes_set_hw_res_pkt.enable_reg_active_poll = 1;
mes_set_hw_res_pkt.enable_level_process_quantum_check = 1;
mes_set_hw_res_pkt.oversubscription_timer = 50;
mes_set_hw_res_pkt.enable_mes_event_int_logging = 1;
mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = mes->event_log_gpu_addr;
if (amdgpu_mes_log_enable) {
mes_set_hw_res_pkt.enable_mes_event_int_logging = 1;
mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr =
mes->event_log_gpu_addr;
}
return mes_v11_0_submit_pkt_and_poll_completion(mes,
&mes_set_hw_res_pkt, sizeof(mes_set_hw_res_pkt),