diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4472-drm-amd-powerplay-correct-fine-grained-dpm-force-lev.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4472-drm-amd-powerplay-correct-fine-grained-dpm-force-lev.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4472-drm-amd-powerplay-correct-fine-grained-dpm-force-lev.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4472-drm-amd-powerplay-correct-fine-grained-dpm-force-lev.patch new file mode 100644 index 00000000..b9de8740 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4472-drm-amd-powerplay-correct-fine-grained-dpm-force-lev.patch @@ -0,0 +1,38 @@ +From 1572e7a9f2a2906fb27b0f79b0a64fbf2eaa9e01 Mon Sep 17 00:00:00 2001 +From: Evan Quan <evan.quan@amd.com> +Date: Thu, 14 Nov 2019 16:58:31 +0800 +Subject: [PATCH 4472/4736] drm/amd/powerplay: correct fine grained dpm force + level setting + +For fine grained dpm, there is only two levels supported. However +to reflect correctly the current clock frequency, there is an +intermediate level faked. Thus on forcing level setting, we +need to treat level 2 correctly as level 1. + +Change-Id: I32f936636f27eb8d8d9002bedd701f2bb0d3060a +Signed-off-by: Evan Quan <evan.quan@amd.com> +Reviewed-by: Kevin Wang <kevin1.wang@amd.com> +--- + drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +index e0bc4f73dae9..8d5f33baaa77 100644 +--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +@@ -886,6 +886,12 @@ static int navi10_force_clk_levels(struct smu_context *smu, + case SMU_UCLK: + case SMU_DCEFCLK: + case SMU_FCLK: ++ /* There is only 2 levels for fine grained DPM */ ++ if (navi10_is_support_fine_grained_dpm(smu, clk_type)) { ++ soft_max_level = (soft_max_level >= 1 ? 1 : 0); ++ soft_min_level = (soft_min_level >= 1 ? 1 : 0); ++ } ++ + ret = smu_get_dpm_freq_by_index(smu, clk_type, soft_min_level, &min_freq); + if (ret) + return size; +-- +2.17.1 + |