Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amd/pm: Fetch SMUv13.0.12 xgmi max speed/width
On SMU v13.0.12 SOCs, fetch the max values of xgmi speed/width from
firmware.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Lijo Lazar
and committed by
Alex Deucher
1bec2f27
a29e067b
+30
-2
+26
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c
+26
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_12_ppt.c
···
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return max(sizeof(StaticMetricsTable_t), sizeof(MetricsTable_t));
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}
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+
static void smu_v13_0_12_init_xgmi_data(struct smu_context *smu,
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StaticMetricsTable_t *static_metrics)
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{
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struct smu_table_context *smu_table = &smu->smu_table;
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uint16_t max_speed;
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uint8_t max_width;
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int ret;
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if (smu_table->tables[SMU_TABLE_SMU_METRICS].version >= 0x13) {
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max_width = (uint8_t)static_metrics->MaxXgmiWidth;
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max_speed = (uint16_t)static_metrics->MaxXgmiBitrate;
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ret = 0;
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} else {
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MetricsTable_t *metrics = (MetricsTable_t *)smu_table->metrics_table;
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ret = smu_v13_0_6_get_metrics_table(smu, NULL, true);
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if (!ret) {
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max_width = (uint8_t)metrics->XgmiWidth;
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max_speed = (uint16_t)metrics->XgmiBitrate;
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}
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}
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if (!ret)
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amgpu_xgmi_set_max_speed_width(smu->adev, max_speed, max_width);
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}
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+
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int smu_v13_0_12_setup_driver_pptable(struct smu_context *smu)
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{
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struct smu_13_0_dpm_context *dpm_context = smu->smu_dpm.dpm_context;
···
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static_metrics->pldmVersion[0] != 0xFFFFFFFF)
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smu->adev->firmware.pldm_version =
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static_metrics->pldmVersion[0];
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smu_v13_0_12_init_xgmi_data(smu, static_metrics);
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pptable->Init = true;
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}
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+2
-2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+2
-2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
···
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return 0;
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}
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-
static int smu_v13_0_6_get_metrics_table(struct smu_context *smu,
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-
void *metrics_table, bool bypass_cache)
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+
int smu_v13_0_6_get_metrics_table(struct smu_context *smu, void *metrics_table,
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bool bypass_cache)
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{
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struct smu_table_context *smu_table = &smu->smu_table;
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uint32_t table_size = smu_table->tables[SMU_TABLE_SMU_METRICS].size;
+2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h
+2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h
···
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extern void smu_v13_0_6_set_ppt_funcs(struct smu_context *smu);
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bool smu_v13_0_6_cap_supported(struct smu_context *smu, enum smu_v13_0_6_caps cap);
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int smu_v13_0_6_get_static_metrics_table(struct smu_context *smu);
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int smu_v13_0_6_get_metrics_table(struct smu_context *smu, void *metrics_table,
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bool bypass_cache);
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bool smu_v13_0_12_is_dpm_running(struct smu_context *smu);
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int smu_v13_0_12_get_max_metrics_size(void);