From: Kevin Wang <[email protected]> add this helper function to get dpm clk information.
Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 33 +++++++++++++++++++ .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 2 ++ 2 files changed, 35 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index c37f59b3995b..5404f32cc2c5 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -60,6 +60,39 @@ int smu_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t return ret; } +int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type, + uint32_t min, uint32_t max) +{ + int ret = 0, clk_id = 0; + uint32_t param; + + if (min <= 0 && max <= 0) + return -EINVAL; + + clk_id = smu_clk_get_index(smu, clk_type); + if (clk_id < 0) + return clk_id; + + if (max > 0) { + param = (uint32_t)((clk_id << 16) | (max & 0xffff)); + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxByFreq, + param); + if (ret) + return ret; + } + + if (min > 0) { + param = (uint32_t)((clk_id << 16) | (min & 0xffff)); + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMinByFreq, + param); + if (ret) + return ret; + } + + + return ret; +} + int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type, uint32_t *min, uint32_t *max) { diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 78993e4ee588..416ea7b85761 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -941,4 +941,6 @@ int smu_get_dpm_level_count(struct smu_context *smu, enum smu_clk_type clk_type, uint32_t *value); int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type, uint32_t *min, uint32_t *max); +int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type, + uint32_t min, uint32_t max); #endif -- 2.20.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
