diff options
| author | Kenneth Feng <kenneth.feng@amd.com> | 2019-07-29 17:51:55 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-30 23:48:33 -0500 |
| commit | 6e92e156aacce9b5d2f8003b92d71e676e5e9139 (patch) | |
| tree | df1d80c32fbebe43a419bb89602f0122dd6da873 /drivers/gpu/drm/amd/powerplay/inc | |
| parent | c74dbe44eacf00a5ccc229b5cc340a9b7f6851a0 (diff) | |
drm/amdgpu/powerplay: provide the interface to disable uclk switch for DAL
provide the interface for DAL to disable uclk switch on navi10.
in this case, the uclk will be fixed to maximum.
this is a workaround when display configuration causes underflow issue.
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/inc')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index ac9e9d5d8a5c..fcd0db362977 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -365,6 +365,8 @@ struct smu_context #define WATERMARKS_EXIST (1 << 0) #define WATERMARKS_LOADED (1 << 1) uint32_t watermarks_bitmap; + uint32_t hard_min_uclk_req_from_dal; + bool disable_uclk_switch; uint32_t workload_mask; uint32_t workload_prority[WORKLOAD_POLICY_MAX]; @@ -446,6 +448,7 @@ struct pptable_funcs { int (*get_uclk_dpm_states)(struct smu_context *smu, uint32_t *clocks_in_khz, uint32_t *num_states); int (*set_default_od_settings)(struct smu_context *smu, bool initialize); int (*set_performance_level)(struct smu_context *smu, enum amd_dpm_forced_level level); + int (*display_disable_memory_clock_switch)(struct smu_context *smu, bool disable_memory_clock_switch); }; struct smu_funcs @@ -695,6 +698,8 @@ struct smu_funcs ((smu)->ppt_funcs->get_clock_by_type_with_voltage ? (smu)->ppt_funcs->get_clock_by_type_with_voltage((smu), (type), (clocks)) : 0) #define smu_display_clock_voltage_request(smu, clock_req) \ ((smu)->funcs->display_clock_voltage_request ? (smu)->funcs->display_clock_voltage_request((smu), (clock_req)) : 0) +#define smu_display_disable_memory_clock_switch(smu, disable_memory_clock_switch) \ + ((smu)->ppt_funcs->display_disable_memory_clock_switch ? (smu)->ppt_funcs->display_disable_memory_clock_switch((smu), (disable_memory_clock_switch)) : -EINVAL) #define smu_get_dal_power_level(smu, clocks) \ ((smu)->funcs->get_dal_power_level ? (smu)->funcs->get_dal_power_level((smu), (clocks)) : 0) #define smu_get_perf_level(smu, designation, level) \ |