diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1448-drm-amd-powerplay-add-set_uclk_to_highest_level-for-.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1448-drm-amd-powerplay-add-set_uclk_to_highest_level-for-.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1448-drm-amd-powerplay-add-set_uclk_to_highest_level-for-.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1448-drm-amd-powerplay-add-set_uclk_to_highest_level-for-.patch new file mode 100644 index 00000000..06c803e1 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1448-drm-amd-powerplay-add-set_uclk_to_highest_level-for-.patch @@ -0,0 +1,82 @@ +From 6854abccaaaf951de99d087ba008cdd32de68268 Mon Sep 17 00:00:00 2001 +From: Chengming Gui <Jack.Gui@amd.com> +Date: Thu, 17 Jan 2019 18:40:15 +0800 +Subject: [PATCH 1448/2940] drm/amd/powerplay: add set_uclk_to_highest_level + for SMU11 + +add set_uclk_to_highest_level to support sys interface for SMU11. + +Signed-off-by: Chengming Gui <Jack.Gui@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 43 ++++++++++++++++++++-- + 1 file changed, 40 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +index 62ca0ef050f4..1908b91f22c6 100644 +--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +@@ -1307,12 +1307,16 @@ vega20_get_profiling_clk_mask(struct smu_context *smu, + uint32_t *soc_mask) + { + struct vega20_dpm_table *dpm_table = (struct vega20_dpm_table *)smu->smu_dpm.dpm_context; ++ struct vega20_single_dpm_table *gfx_dpm_table; ++ struct vega20_single_dpm_table *mem_dpm_table; ++ struct vega20_single_dpm_table *soc_dpm_table; ++ + if (!smu->smu_dpm.dpm_context) + return -EINVAL; + +- struct vega20_single_dpm_table *gfx_dpm_table = &(dpm_table->gfx_table); +- struct vega20_single_dpm_table *mem_dpm_table = &(dpm_table->mem_table); +- struct vega20_single_dpm_table *soc_dpm_table = &(dpm_table->soc_table); ++ gfx_dpm_table = &dpm_table->gfx_table; ++ mem_dpm_table = &dpm_table->mem_table; ++ soc_dpm_table = &dpm_table->soc_table; + + *sclk_mask = 0; + *mclk_mask = 0; +@@ -1339,6 +1343,39 @@ vega20_get_profiling_clk_mask(struct smu_context *smu, + return 0; + } + ++static int ++vega20_set_uclk_to_highest_dpm_level(struct smu_context *smu, ++ struct vega20_single_dpm_table *dpm_table) ++{ ++ int ret = 0; ++ struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); ++ if (!smu_dpm_ctx->dpm_context) ++ return -EINVAL; ++ ++ if (smu_feature_is_enabled(smu, FEATURE_DPM_UCLK_BIT)) { ++ if (dpm_table->count <= 0) { ++ pr_err("[%s] Dpm table has no entry!", __func__); ++ return -EINVAL; ++ } ++ ++ if (dpm_table->count > NUM_UCLK_DPM_LEVELS) { ++ pr_err("[%s] Dpm table has too many entries!", __func__); ++ return -EINVAL; ++ } ++ ++ dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; ++ ret = smu_send_smc_msg_with_param(smu, ++ SMU_MSG_SetHardMinByFreq, ++ (PPCLK_UCLK << 16) | dpm_table->dpm_state.hard_min_level); ++ if (ret) { ++ pr_err("[%s] Set hard min uclk failed!", __func__); ++ return ret; ++ } ++ } ++ ++ return ret; ++} ++ + static const struct pptable_funcs vega20_ppt_funcs = { + .alloc_dpm_context = vega20_allocate_dpm_context, + .store_powerplay_table = vega20_store_powerplay_table, +-- +2.17.1 + |