From: Kevin Wang <[email protected]> add callback function force_dpm_limit for navi10 asic
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/navi10_ppt.c | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 7e7e0a604aef..72b6de83e66f 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) -- 2.20.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
