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authorSimon Ser <contact@emersion.fr>2019-12-11 10:21:01 +0000
committerAlex Deucher <alexander.deucher@amd.com>2019-12-11 15:22:08 -0500
commit93b09a9a892ba07bd99132d9bb6318e31c7f2f79 (patch)
treeed41b45168cf10e140fda733cb85261441291af2
parentaec434023e528bdc8a914458fc729c62eb5e6139 (diff)
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 <contact@emersion.fr> Cc: Harry Wentland <hwentlan@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c3
1 files changed, 3 insertions, 0 deletions
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;
}
}