diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3985-drm-amd-powerplay-add-interface-for-forcing-and-unfo.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3985-drm-amd-powerplay-add-interface-for-forcing-and-unfo.patch | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3985-drm-amd-powerplay-add-interface-for-forcing-and-unfo.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3985-drm-amd-powerplay-add-interface-for-forcing-and-unfo.patch new file mode 100644 index 00000000..d2ed8fb5 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3985-drm-amd-powerplay-add-interface-for-forcing-and-unfo.patch @@ -0,0 +1,97 @@ +From 86fd9618e5d5eac1b07e5719dea89ca1f854115b Mon Sep 17 00:00:00 2001 +From: Prike Liang <Prike.Liang@amd.com> +Date: Mon, 23 Sep 2019 11:02:40 +0800 +Subject: [PATCH 3985/4256] drm/amd/powerplay: add interface for forcing and + unforcing dpm limit value + +That's base function for forcing and unforcing dpm limit value. + +Signed-off-by: Prike Liang <Prike.Liang@amd.com> +Reviewed-by: Evan Quan <evan.quan@amd.com> +--- + drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 62 ++++++++++++++++++++++ + 1 file changed, 62 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +index 0985da2ed922..668b07985ea0 100644 +--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +@@ -304,6 +304,66 @@ static int renoir_dpm_set_uvd_enable(struct smu_context *smu, bool enable) + return ret; + } + ++static int renoir_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 int renoir_unforce_dpm_levels(struct smu_context *smu) { ++ ++ int ret = 0, i = 0; ++ uint32_t min_freq, max_freq; ++ enum smu_clk_type clk_type; ++ ++ struct clk_feature_map { ++ enum smu_clk_type clk_type; ++ uint32_t feature; ++ } clk_feature_map[] = { ++ {SMU_GFXCLK, SMU_FEATURE_DPM_GFXCLK_BIT}, ++ {SMU_MCLK, SMU_FEATURE_DPM_UCLK_BIT}, ++ {SMU_SOCCLK, SMU_FEATURE_DPM_SOCCLK_BIT}, ++ }; ++ ++ for (i = 0; i < ARRAY_SIZE(clk_feature_map); i++) { ++ if (!smu_feature_is_enabled(smu, clk_feature_map[i].feature)) ++ continue; ++ ++ clk_type = clk_feature_map[i].clk_type; ++ ++ ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq); ++ if (ret) ++ return ret; ++ ++ ret = smu_set_soft_freq_range(smu, clk_type, min_freq, max_freq); ++ if (ret) ++ return ret; ++ } ++ ++ return ret; ++} ++ + static const struct pptable_funcs renoir_ppt_funcs = { + .get_smu_msg_index = renoir_get_smu_msg_index, + .get_smu_table_index = renoir_get_smu_table_index, +@@ -313,6 +373,8 @@ static const struct pptable_funcs renoir_ppt_funcs = { + .print_clk_levels = renoir_print_clk_levels, + .get_current_power_state = renoir_get_current_power_state, + .dpm_set_uvd_enable = renoir_dpm_set_uvd_enable, ++ .force_dpm_limit_value = renoir_force_dpm_limit_value, ++ .unforce_dpm_levels = renoir_unforce_dpm_levels, + }; + + void renoir_set_ppt_funcs(struct smu_context *smu) +-- +2.17.1 + |