From: Wayne Lin Date: Sun, 20 Apr 2025 08:29:07 +0000 (+0800) Subject: drm/amd/display: Fix the checking condition in dmub aux handling X-Git-Tag: v6.15-rc6~17^2~2^2~11 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bc70e11b550d37fbd9eaed0f113ba560894f1609;p=thirdparty%2Flinux.git drm/amd/display: Fix the checking condition in dmub aux handling [Why & How] Fix the checking condition for detecting AUX_RET_ERROR_PROTOCOL_ERROR. It was wrongly checking by "not equals to" Reviewed-by: Ray Wu Signed-off-by: Wayne Lin Signed-off-by: Ray Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher (cherry picked from commit 1db6c9e9b62e1a8912f0a281c941099fca678da3) Cc: stable@vger.kernel.org --- diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index d9292da569480..68bbe7d577735 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -12749,7 +12749,7 @@ int amdgpu_dm_process_dmub_aux_transfer_sync( * Transient states before tunneling is enabled could * lead to this error. We can ignore this for now. */ - if (p_notify->result != AUX_RET_ERROR_PROTOCOL_ERROR) { + if (p_notify->result == AUX_RET_ERROR_PROTOCOL_ERROR) { DRM_WARN("DPIA AUX failed on 0x%x(%d), error %d\n", payload->address, payload->length, p_notify->result);