|
this patch is not needed for apu.
by default, the smu will use max value as peak value.
refs:smu_default_set_performance_level
Best Regards,
Kevin
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Liang, Prike <Prike.Liang@xxxxxxx>
Sent: Thursday, September 26, 2019 11:50 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Liang, Prike <Prike.Liang@xxxxxxx>; Quan, Evan <Evan.Quan@xxxxxxx>; Huang, Ray <Ray.Huang@xxxxxxx>; keneth.feng@xxxxxxx <keneth.feng@xxxxxxx> Subject: [PATCH 7/8] drm/amd/powerplay: implement the interface for setting sclk/uclk profile_peak level Add the interface for setting sclk and uclk peak frequency.
Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx> --- drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 40 ++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c index 151d78e..c63518a 100644 --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c @@ -510,6 +510,45 @@ static int renoir_set_power_profile_mode(struct smu_context *smu, long *input, u return 0; } +static int renoir_set_peak_clock_by_device(struct smu_context *smu) +{ + int ret = 0; + uint32_t sclk_freq = 0, uclk_freq = 0; + + ret = smu_get_dpm_freq_range(smu, SMU_SCLK, NULL, &sclk_freq); + if (ret) + return ret; + + ret = smu_set_soft_freq_range(smu, SMU_SCLK, sclk_freq, sclk_freq); + if (ret) + return ret; + + ret = smu_get_dpm_freq_range(smu, SMU_UCLK, NULL, &uclk_freq); + if (ret) + return ret; + + ret = smu_set_soft_freq_range(smu, SMU_UCLK, uclk_freq, uclk_freq); + if (ret) + return ret; + + return ret; +} + +static int renoir_set_performance_level(struct smu_context *smu, enum amd_dpm_forced_level level) +{ + int ret = 0; + + switch (level) { + case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK: + ret = renoir_set_peak_clock_by_device(smu); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} static const struct pptable_funcs renoir_ppt_funcs = { .get_smu_msg_index = renoir_get_smu_msg_index, @@ -526,6 +565,7 @@ static const struct pptable_funcs renoir_ppt_funcs = { .get_profiling_clk_mask = renoir_get_profiling_clk_mask, .force_clk_levels = renoir_force_clk_levels, .set_power_profile_mode = renoir_set_power_profile_mode, + .set_performance_level = renoir_set_performance_level, }; void renoir_set_ppt_funcs(struct smu_context *smu) -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx |
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