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| author | Likun Gao <Likun.Gao@amd.com> | 2019-02-19 18:18:46 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:04:01 -0500 |
| commit | 0967610142275c3aa1b73d923505cb8e73916af5 (patch) | |
| tree | 38a811835cf04ae7f9fa5aae9305873173b8220c /drivers/gpu/drm/amd/powerplay | |
| parent | f067499b4862c053a8971461d0d937e173690ddf (diff) | |
| download | linux-0967610142275c3aa1b73d923505cb8e73916af5.tar.bz2 | |
drm/amd/powerplay: support sysfs to get socclk, fclk, dcefclk
Add sys interface to get socclk, fclk and dcefclk for smu.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Gui Chengming <Jack.Gui@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index 6aa94ee81b59..88803ad2cdd8 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -773,6 +773,62 @@ static int vega20_print_clk_levels(struct smu_context *smu, ? "*" : ""); break; + case PP_SOCCLK: + ret = smu_get_current_clk_freq(smu, PPCLK_SOCCLK, &now); + if (ret) { + pr_err("Attempt to get current socclk Failed!"); + return ret; + } + + single_dpm_table = &(dpm_table->soc_table); + ret = vega20_get_clk_table(smu, &clocks, single_dpm_table); + if (ret) { + pr_err("Attempt to get socclk levels Failed!"); + return ret; + } + + for (i = 0; i < clocks.num_levels; i++) + size += sprintf(buf + size, "%d: %uMhz %s\n", + i, clocks.data[i].clocks_in_khz / 1000, + (clocks.data[i].clocks_in_khz == now * 10) + ? "*" : ""); + break; + + case PP_FCLK: + ret = smu_get_current_clk_freq(smu, PPCLK_FCLK, &now); + if (ret) { + pr_err("Attempt to get current fclk Failed!"); + return ret; + } + + single_dpm_table = &(dpm_table->fclk_table); + for (i = 0; i < single_dpm_table->count; i++) + size += sprintf(buf + size, "%d: %uMhz %s\n", + i, single_dpm_table->dpm_levels[i].value, + (single_dpm_table->dpm_levels[i].value == now / 100) + ? "*" : ""); + break; + + case PP_DCEFCLK: + ret = smu_get_current_clk_freq(smu, PPCLK_DCEFCLK, &now); + if (ret) { + pr_err("Attempt to get current dcefclk Failed!"); + return ret; + } + + single_dpm_table = &(dpm_table->dcef_table); + ret = vega20_get_clk_table(smu, &clocks, single_dpm_table); + if (ret) { + pr_err("Attempt to get dcefclk levels Failed!"); + return ret; + } + + for (i = 0; i < clocks.num_levels; i++) + size += sprintf(buf + size, "%d: %uMhz %s\n", + i, clocks.data[i].clocks_in_khz / 1000, + (clocks.data[i].clocks_in_khz == now * 10) ? "*" : ""); + break; + case PP_PCIE: break; |