From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Charlene Liu , Krunoslav Kovac , Harry Wentland , Alex Deucher Subject: [PATCH 4.16 136/196] drm/amd/display: HDMI has no sound after Panel power off/on Date: Sun, 22 Apr 2018 15:52:36 +0200 Message-Id: <20180422135111.284793502@linuxfoundation.org> In-Reply-To: <20180422135104.278511750@linuxfoundation.org> References: <20180422135104.278511750@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Charlene Liu commit af2ac326087da632e9580f65205f4cc4205caf85 upstream. Signed-off-by: Charlene Liu Reviewed-by: Krunoslav Kovac Acked-by: Harry Wentland Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -736,6 +736,8 @@ static void dce110_stream_encoder_update if (info_frame->avi.valid) { const uint32_t *content = (const uint32_t *) &info_frame->avi.sb[0]; + /*we need turn on clock before programming AFMT block*/ + REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); REG_WRITE(AFMT_AVI_INFO0, content[0]);