diff options
| author | Kevin Wang <Kevin1.Wang@amd.com> | 2019-01-15 10:54:45 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:03:57 -0500 |
| commit | bed3b3a1e19a08c9028db50cb1ebe2e0106c3811 (patch) | |
| tree | 493ac3628bfe2d66e763ebb73f9af0ed527b13b7 /drivers | |
| parent | e66adb1eea90703f4e1d8ea509f7ec3fe0b4be6d (diff) | |
drm/amd/powerplay: implement get_current_clk_freq for smu11
This patch implements get_current_clk_freq for smu11 future use.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 24 |
2 files changed, 27 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 db3d0f57c5ca..bdd930d03157 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -251,6 +251,7 @@ struct smu_funcs int (*disable_all_mask)(struct smu_context *smu); int (*notify_display_change)(struct smu_context *smu); int (*get_power_limit)(struct smu_context *smu); + int (*get_current_clk_freq)(struct smu_context *smu, uint32_t clk_id, uint32_t *value); }; #define smu_init_microcode(smu) \ @@ -327,6 +328,8 @@ struct smu_funcs ((smu)->ppt_funcs->populate_umd_state_clk ? (smu)->ppt_funcs->populate_umd_state_clk((smu)) : 0) #define smu_get_power_limit(smu) \ ((smu)->funcs->get_power_limit? (smu)->funcs->get_power_limit((smu)) : 0) +#define smu_get_current_clk_freq(smu, clk_id, value) \ + ((smu)->funcs->get_current_clk_freq? (smu)->funcs->get_current_clk_freq((smu), (clk_id), (value)) : 0) #define smu_msg_get_index(smu, msg) \ ((smu)->ppt_funcs? ((smu)->ppt_funcs->get_smu_msg_index? (smu)->ppt_funcs->get_smu_msg_index((smu), (msg)) : -EINVAL) : -EINVAL) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 491986713774..def64f5a967d 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -757,6 +757,29 @@ static int smu_v11_0_get_power_limit(struct smu_context *smu) return 0; } +static int smu_v11_0_get_current_clk_freq(struct smu_context *smu, uint32_t clk_id, uint32_t *value) +{ + int ret = 0; + uint32_t freq; + + if (clk_id >= PPCLK_COUNT || !value) + return -EINVAL; + + ret = smu_send_smc_msg_with_param(smu, + SMU_MSG_GetDpmClockFreq, (clk_id << 16)); + if (ret) + return ret; + + ret = smu_read_smc_arg(smu, &freq); + if (ret) + return ret; + + freq *= 100; + *value = freq; + + return ret; +} + static const struct smu_funcs smu_v11_0_funcs = { .init_microcode = smu_v11_0_init_microcode, .load_microcode = smu_v11_0_load_microcode, @@ -786,6 +809,7 @@ static const struct smu_funcs smu_v11_0_funcs = { .disable_all_mask = smu_v11_0_disable_all_mask, .notify_display_change = smu_v11_0_notify_display_change, .get_power_limit = smu_v11_0_get_power_limit, + .get_current_clk_freq = smu_v11_0_get_current_clk_freq, }; void smu_v11_0_set_smu_funcs(struct smu_context *smu) |