From 978592136cfed3491330acfff12a90812d0c6a58 Mon Sep 17 00:00:00 2001 From: Asad Kamal Date: Wed, 21 May 2025 19:17:50 +0800 Subject: [PATCH 3837/5403] drm/amd/pm: Optimize get gpu metrics data function Optimize get gpu metrics data function for smu_v13_0_12 to allocate metrics structure only once v2: Free and alloc moved to same function(Kevin) Signed-off-by: Asad Kamal Reviewed-by: Yang Wang Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c | 6 ++---- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 8 ++++++-- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h | 2 +- 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c index 69f92bd35bf2..e0d356f93ab0 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c @@ -378,7 +378,7 @@ ssize_t smu_v13_0_12_get_xcp_metrics(struct smu_context *smu, struct amdgpu_xcp return sizeof(*xcp_metrics); } -ssize_t smu_v13_0_12_get_gpu_metrics(struct smu_context *smu, void **table) +ssize_t smu_v13_0_12_get_gpu_metrics(struct smu_context *smu, void **table, void *smu_metrics) { struct smu_table_context *smu_table = &smu->smu_table; struct gpu_metrics_v1_8 *gpu_metrics = @@ -390,8 +390,7 @@ ssize_t smu_v13_0_12_get_gpu_metrics(struct smu_context *smu, void **table) struct amdgpu_xcp *xcp; u32 inst_mask; - metrics = kzalloc(sizeof(MetricsTable_t), GFP_KERNEL); - memcpy(metrics, smu_table->metrics_table, sizeof(MetricsTable_t)); + metrics = (MetricsTable_t *)smu_metrics; smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 8); @@ -533,7 +532,6 @@ ssize_t smu_v13_0_12_get_gpu_metrics(struct smu_context *smu, void **table) gpu_metrics->firmware_timestamp = metrics->Timestamp; *table = (void *)gpu_metrics; - kfree(metrics); return sizeof(*gpu_metrics); } diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 0a9488576a4e..271458b74f2d 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -2669,6 +2669,7 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table MetricsTableV2_t *metrics_v2; struct amdgpu_xcp *xcp; u16 link_width_level; + ssize_t num_bytes; u8 num_jpeg_rings; u32 inst_mask; bool per_inst; @@ -2681,8 +2682,11 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table } if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 12) && - smu_v13_0_6_cap_supported(smu, SMU_CAP(STATIC_METRICS))) - return smu_v13_0_12_get_gpu_metrics(smu, table); + smu_v13_0_6_cap_supported(smu, SMU_CAP(STATIC_METRICS))) { + num_bytes = smu_v13_0_12_get_gpu_metrics(smu, table, metrics_v0); + kfree(metrics_v0); + return num_bytes; + } metrics_v1 = (MetricsTableV1_t *)metrics_v0; metrics_v2 = (MetricsTableV2_t *)metrics_v0; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h index 1a54675c576f..d38d6d76b1e7 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h @@ -80,7 +80,7 @@ int smu_v13_0_12_get_max_metrics_size(void); int smu_v13_0_12_setup_driver_pptable(struct smu_context *smu); int smu_v13_0_12_get_smu_metrics_data(struct smu_context *smu, MetricsMember_t member, uint32_t *value); -ssize_t smu_v13_0_12_get_gpu_metrics(struct smu_context *smu, void **table); +ssize_t smu_v13_0_12_get_gpu_metrics(struct smu_context *smu, void **table, void *smu_metrics); ssize_t smu_v13_0_12_get_xcp_metrics(struct smu_context *smu, struct amdgpu_xcp *xcp, void *table, void *smu_metrics); -- 2.54.0