diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1452-drm-amd-powerplay-add-vega20_find-force_higest-lowes.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1452-drm-amd-powerplay-add-vega20_find-force_higest-lowes.patch | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1452-drm-amd-powerplay-add-vega20_find-force_higest-lowes.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1452-drm-amd-powerplay-add-vega20_find-force_higest-lowes.patch new file mode 100644 index 00000000..2106c43d --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1452-drm-amd-powerplay-add-vega20_find-force_higest-lowes.patch @@ -0,0 +1,144 @@ +From 04422afa38edc1287d24f6dadb90db2279cdc193 Mon Sep 17 00:00:00 2001 +From: Chengming Gui <Jack.Gui@amd.com> +Date: Fri, 18 Jan 2019 10:09:46 +0800 +Subject: [PATCH 1452/2940] drm/amd/powerplay: add + vega20_find/force_higest/lowest_dpm for SMU11 (v2) + +add vega20_find_highest_dpm_level, vega20_find_lowest_dpm_level, + vega20_force_highest_dpm and vega20_force_lowest_dpm functions + to support sys interface for SMU11. + +v2: fix highest/lowest implementation changes error. + +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 | 111 +++++++++++++++++++++ + 1 file changed, 111 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +index 0440e5c7a66e..15fc30fe75dd 100644 +--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +@@ -1614,6 +1614,117 @@ vega20_notify_smc_dispaly_config(struct smu_context *smu) + return 0; + } + ++static uint32_t vega20_find_lowest_dpm_level(struct vega20_single_dpm_table *table) ++{ ++ uint32_t i; ++ ++ for (i = 0; i < table->count; i++) { ++ if (table->dpm_levels[i].enabled) ++ break; ++ } ++ if (i >= table->count) { ++ i = 0; ++ table->dpm_levels[i].enabled = true; ++ } ++ ++ return i; ++} ++ ++static uint32_t vega20_find_highest_dpm_level(struct vega20_single_dpm_table *table) ++{ ++ int i = 0; ++ ++ if (!table) { ++ pr_err("[%s] DPM Table does not exist!", __func__); ++ return 0; ++ } ++ if (table->count <= 0) { ++ pr_err("[%s] DPM Table has no entry!", __func__); ++ return 0; ++ } ++ if (table->count > MAX_REGULAR_DPM_NUMBER) { ++ pr_err("[%s] DPM Table has too many entries!", __func__); ++ return MAX_REGULAR_DPM_NUMBER - 1; ++ } ++ ++ for (i = table->count - 1; i >= 0; i--) { ++ if (table->dpm_levels[i].enabled) ++ break; ++ } ++ if (i < 0) { ++ i = 0; ++ table->dpm_levels[i].enabled = true; ++ } ++ ++ return i; ++} ++ ++static int vega20_force_dpm_highest(struct smu_context *smu) ++{ ++ uint32_t soft_level; ++ int ret = 0; ++ struct vega20_dpm_table *dpm_table = (struct vega20_dpm_table *)smu->smu_dpm.dpm_context; ++ ++ soft_level = vega20_find_highest_dpm_level(&(dpm_table->gfx_table)); ++ ++ dpm_table->gfx_table.dpm_state.soft_min_level = ++ dpm_table->gfx_table.dpm_state.soft_max_level = ++ dpm_table->gfx_table.dpm_levels[soft_level].value; ++ ++ soft_level = vega20_find_highest_dpm_level(&(dpm_table->mem_table)); ++ ++ dpm_table->mem_table.dpm_state.soft_min_level = ++ dpm_table->mem_table.dpm_state.soft_max_level = ++ dpm_table->mem_table.dpm_levels[soft_level].value; ++ ++ ret = vega20_upload_dpm_min_level(smu); ++ if (ret) { ++ pr_err("Failed to upload boot level to highest!"); ++ return ret; ++ } ++ ++ ret = vega20_upload_dpm_max_level(smu); ++ if (ret) { ++ pr_err("Failed to upload dpm max level to highest!"); ++ return ret; ++ } ++ ++ return ret; ++} ++ ++static int vega20_force_dpm_lowest(struct smu_context *smu) ++{ ++ uint32_t soft_level; ++ int ret = 0; ++ struct vega20_dpm_table *dpm_table = (struct vega20_dpm_table *)smu->smu_dpm.dpm_context; ++ ++ soft_level = vega20_find_lowest_dpm_level(&(dpm_table->gfx_table)); ++ ++ dpm_table->gfx_table.dpm_state.soft_min_level = ++ dpm_table->gfx_table.dpm_state.soft_max_level = ++ dpm_table->gfx_table.dpm_levels[soft_level].value; ++ ++ soft_level = vega20_find_lowest_dpm_level(&(dpm_table->mem_table)); ++ ++ dpm_table->mem_table.dpm_state.soft_min_level = ++ dpm_table->mem_table.dpm_state.soft_max_level = ++ dpm_table->mem_table.dpm_levels[soft_level].value; ++ ++ ret = vega20_upload_dpm_min_level(smu); ++ if (ret) { ++ pr_err("Failed to upload boot level to lowest!"); ++ return ret; ++ } ++ ++ ret = vega20_upload_dpm_max_level(smu); ++ if (ret) { ++ pr_err("Failed to upload dpm max level to lowest!"); ++ 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 + |