Commit 72496eb1 authored by Jean Delvare's avatar Jean Delvare Committed by Alex Deucher

drm/radeon: be quiet when no SAD block is found

It is fine for displays without audio functionality to not provide
any SAD block in their EDID. Do not log an error in that case,
just return quietly.

Inspired by a similar fix to the amdgpu driver in the context of bug
fdo#107825:
https://bugs.freedesktop.org/show_bug.cgi?id=107825Signed-off-by: default avatarJean Delvare <jdelvare@suse.de>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ae2a3495
......@@ -367,10 +367,10 @@ static void radeon_audio_write_sad_regs(struct drm_encoder *encoder)
return;
sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads);
if (sad_count <= 0) {
if (sad_count < 0)
DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
if (sad_count <= 0)
return;
}
BUG_ON(!sads);
if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs)
......
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