From 93b09a9a892ba07bd99132d9bb6318e31c7f2f79 Mon Sep 17 00:00:00 2001 From: Simon Ser Date: Wed, 11 Dec 2019 10:21:01 +0000 Subject: [PATCH] drm/amdgpu: log when amdgpu.dc=1 but ASIC is unsupported This makes it easier to figure out whether the kernel parameter has been taken into account. Signed-off-by: Simon Ser Cc: Harry Wentland Cc: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 95988ff7356d..a97946878024 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2636,6 +2636,9 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) return amdgpu_dc != 0; #endif default: + if (amdgpu_dc > 0) + DRM_INFO("Display Core has been requested via kernel parameter " + "but isn't supported by ASIC, ignoring\n"); return false; } } -- 2.11.0