Blob Blame History Raw
From ff9346dbabbb6595c5c20d90d88ae4a2247487a9 Mon Sep 17 00:00:00 2001
From: Alexandre Demers <alexandre.f.demers@gmail.com>
Date: Thu, 7 Jan 2021 18:53:03 -0500
Subject: [PATCH] drm/amdgpu: fix DRM_INFO flood if display core is not supported (bug 210921)
Git-commit: ff9346dbabbb6595c5c20d90d88ae4a2247487a9
Patch-mainline: v5.11-rc4
References: git-fixes

This fix bug 210921 where DRM_INFO floods log when hitting an unsupported ASIC in
amdgpu_device_asic_has_dc_support(). This info should be only called once.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=210921
Signed-off-by: Alexandre Demers <alexandre.f.demers@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index b69c34074d8d..087afab67e22 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3034,7 +3034,7 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type)
 #endif
 	default:
 		if (amdgpu_dc > 0)
-			DRM_INFO("Display Core has been requested via kernel parameter "
+			DRM_INFO_ONCE("Display Core has been requested via kernel parameter "
 					 "but isn't supported by ASIC, ignoring\n");
 		return false;
 	}
-- 
2.26.2