[PATCH 5.10 009/152] drm/amdgpu: fix DRM_INFO flood if display core is not supported (bug 210921)

[Greg Kroah-Hartman]

From: Alexandre Demers <alexandre.f.demers@xxxxxxxxx>

commit ff9346dbabbb6595c5c20d90d88ae4a2247487a9 upstream.

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@xxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

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

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3008,7 +3008,7 @@ bool amdgpu_device_asic_has_dc_support(e
 #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;
 	}