drm/amdgpu add max_memory_clock for interface query (v2)
Add a query for the max memory clock.
v2: handle the dpm enabled case properly
Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewd-by: Jammy Zhou <Jammy.Zhou@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index b6dd375..3c182b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -414,11 +414,15 @@
dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
/* return all clocks in KHz */
dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
- if (adev->pm.dpm_enabled)
+ if (adev->pm.dpm_enabled) {
dev_info.max_engine_clock =
adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10;
- else
+ dev_info.max_memory_clock =
+ adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk * 10;
+ } else {
dev_info.max_engine_clock = adev->pm.default_sclk * 10;
+ dev_info.max_memory_clock = adev->pm.default_mclk * 10;
+ }
dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
adev->gfx.config.max_shader_engines;
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index cd54891..420c762 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -553,6 +553,7 @@
uint32_t num_shader_arrays_per_engine;
uint32_t gpu_counter_freq; /* in KHz */
uint64_t max_engine_clock; /* in KHz */
+ uint64_t max_memory_clock; /* in KHz */
/* cu information */
uint32_t cu_active_number;
uint32_t cu_ao_mask;