diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2352-drm-amd-powerplay-add-funciton-force_dpm_limit-for-n.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2352-drm-amd-powerplay-add-funciton-force_dpm_limit-for-n.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2352-drm-amd-powerplay-add-funciton-force_dpm_limit-for-n.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2352-drm-amd-powerplay-add-funciton-force_dpm_limit-for-n.patch new file mode 100644 index 00000000..aadcddb7 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2352-drm-amd-powerplay-add-funciton-force_dpm_limit-for-n.patch @@ -0,0 +1,65 @@ +From fdce96692a9b054f75b78d7c833dc0e0616df658 Mon Sep 17 00:00:00 2001 +From: Kevin Wang <kevin1.wang@amd.com> +Date: Tue, 23 Apr 2019 10:53:51 +0800 +Subject: [PATCH 2352/2940] 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> +--- + 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) +-- +2.17.1 + |