From 376814f5fcf1aadda501d1413d56e8af85d19a97 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 17 Jun 2020 16:33:47 -0400
Subject: [PATCH] drm/amdgpu/display bail early in dm_pp_get_static_clocks
Git-commit: 376814f5fcf1aadda501d1413d56e8af85d19a97
Patch-mainline: v5.9-rc1
References: git-fixes
If there are no supported callbacks. We'll fall back to the
nominal clocks.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1170
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
@@ -517,6 +517,8 @@ bool dm_pp_get_static_clocks(
&pp_clk_info);
else if (adev->smu.funcs)
ret = smu_get_current_clocks(&adev->smu, &pp_clk_info);
+ else
+ return false;
if (ret)
return false;