diff options
author | Kevin Wang <kevin1.wang@amd.com> | 2019-04-23 10:53:51 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-21 18:59:29 -0500 |
commit | 50add63bbf1f7095db4bdd72dceca1ee60997550 (patch) | |
tree | a257957bdb188523061390cc5364f0e726160e8e /drivers/gpu/drm/amd/powerplay/navi10_ppt.c | |
parent | 0a6430da0c7c6603aeb99b5b91418e6665c77561 (diff) |
drm/amd/powerplay: add funciton force_dpm_limit for navi10
add callback function force_dpm_limit for navi10 asic
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/navi10_ppt.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index bcd2adca6ed7..6f05816842ce 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -695,6 +695,34 @@ static int navi10_display_config_changed(struct smu_context *smu) return ret; } + +static int navi10_force_dpm_limit_value(struct smu_context *smu, bool highest) +{ + int ret = 0, i = 0; + uint32_t min_freq, max_freq, force_freq; + enum smu_clk_type clk_type; + + enum smu_clk_type clks[] = { + SMU_GFXCLK, + SMU_MCLK, + SMU_SOCCLK, + }; + + for (i = 0; i < ARRAY_SIZE(clks); i++) { + clk_type = clks[i]; + ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq); + if (ret) + return ret; + + force_freq = highest ? max_freq : min_freq; + ret = smu_set_soft_freq_range(smu, clk_type, force_freq, force_freq); + if (ret) + return ret; + } + + return ret; +} + static const struct pptable_funcs navi10_ppt_funcs = { .tables_init = navi10_tables_init, .alloc_dpm_context = navi10_allocate_dpm_context, @@ -716,6 +744,7 @@ static const struct pptable_funcs navi10_ppt_funcs = { .get_clock_by_type_with_latency = navi10_get_clock_by_type_with_latency, .pre_display_config_changed = navi10_pre_display_config_changed, .display_config_changed = navi10_display_config_changed, + .force_dpm_limit_value = navi10_force_dpm_limit_value, }; void navi10_set_ppt_funcs(struct smu_context *smu) |