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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4405-drm-amdgpu-powerplay-fix-AVFS-handling-with-custom-p.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4405-drm-amdgpu-powerplay-fix-AVFS-handling-with-custom-p.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4405-drm-amdgpu-powerplay-fix-AVFS-handling-with-custom-p.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4405-drm-amdgpu-powerplay-fix-AVFS-handling-with-custom-p.patch
new file mode 100644
index 00000000..eda0baf2
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4405-drm-amdgpu-powerplay-fix-AVFS-handling-with-custom-p.patch
@@ -0,0 +1,37 @@
+From 4c9392cb5170440181dddc15d057ef54dd416735 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Thu, 7 Nov 2019 09:50:18 -0500
+Subject: [PATCH 4405/4736] drm/amdgpu/powerplay: fix AVFS handling with custom
+ powerplay table
+
+When a custom powerplay table is provided, we need to update
+the OD VDDC flag to avoid AVFS being enabled when it shouldn't be.
+
+Bug: https://bugzilla.kernel.org/show_bug.cgi?id=205393
+Reviewed-by: Evan Quan <evan.quan@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+index 8d933cb7e451..1f82c1f91247 100644
+--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+@@ -3688,6 +3688,13 @@ static int vega10_set_power_state_tasks(struct pp_hwmgr *hwmgr,
+ PP_ASSERT_WITH_CODE(!result,
+ "Failed to upload PPtable!", return result);
+
++ /*
++ * If a custom pp table is loaded, set DPMTABLE_OD_UPDATE_VDDC flag.
++ * That effectively disables AVFS feature.
++ */
++ if(hwmgr->hardcode_pp_table != NULL)
++ data->need_update_dpm_table |= DPMTABLE_OD_UPDATE_VDDC;
++
+ vega10_update_avfs(hwmgr);
+
+ /*
+--
+2.17.1
+