<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> </head> <body> [AMD Official Use Only - General] <div> <div> <div dir="ltr">Ping</div> </div> <div id="ms-outlook-mobile-signature"> <div> </div> Get <a href="https://aka.ms/o0ukef">Outlook for iOS</a></div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: Liu, Shaoyun <Shaoyun.Liu@amd.com> Sent: Friday, March 22, 2024 2:00:21 PM To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org> Cc: Liu, Shaoyun <Shaoyun.Liu@amd.com> Subject: [PATCH] drm/amdgpu : Add mes_log_enable to control mes log feature <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">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> --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 10 ++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 5 ++++- drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 7 +++++-- 4 files changed, 20 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 9c62552bec34..b3b84647207e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -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; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 80b9642f2bc4..e4277298cf1a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -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. diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c index 78dfd027dc99..9ace848e174c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c @@ -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); diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c index 072c478665ad..63f281a9984d 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -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), -- 2.34.1 </div> </div> </div> </body> </html>