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Iglesias" , Peter Maydell , KONRAD Frederic Subject: [PATCH] display: xlnx_dp: Provide sufficient bytes for silent audio channel Date: Fri, 15 Nov 2019 21:26:48 +0530 Message-Id: <1573833408-2388-1-git-send-email-sai.pavan.boddu@xilinx.com> X-Mailer: git-send-email 2.7.4 X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83; IPV:NLI; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(4636009)(396003)(376002)(346002)(39860400002)(136003)(189003)(199004)(70206006)(26005)(5660300002)(50226002)(8936002)(478600001)(8676002)(6266002)(4326008)(186003)(81156014)(81166006)(106002)(47776003)(486006)(51416003)(356004)(426003)(42186006)(336012)(2616005)(316002)(6666004)(16586007)(2906002)(103686004)(70586007)(110136005)(50466002)(36756003)(305945005)(126002)(476003)(48376002); DIR:OUT; SFP:1101; SCL:1; SRVR:BL0PR02MB4882; H:xsj-pvapsmtpgw01; FPR:; SPF:Pass; LANG:en; PTR:unknown-60-83.xilinx.com; MX:1; A:1; MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e456dd59-d4be-48dc-0a6b-08d769e47a4e X-MS-TrafficTypeDiagnostic: BL0PR02MB4882: X-LD-Processed: 657af505-d5df-48d0-8300-c31994686c5c,ExtAddr X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:226; X-Forefront-PRVS: 02229A4115 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: KLxL8T5+WitKwt0G8sPGq2FkNZGT2CyCPmZFEaEQstsIsqF7Z1pQ6jNjqYWchpY0n3Zftax0z3vzHRZVELLfJ47/3FTSmXuG5IkJ5fVh5Ac1nabPMjGoXCGz/Uo409O+qCe8TiKZEUbv3CvKPl566CBUWMsyg9sw9Z7V+hdh3YvPj8MeheXluvz+DQXM1vdJqWdVxcfe9AAOfKOQG3iuGrZIAU8W7t4IB3Y3a9tMp6OcHHtG1lVN4Un6jP7vIFYindZ13sbIF1+re3UFLiHhT0TdG33PY6mPKAwDXGpEnvBz9RbrhNK98WTmbPra4B9KklXa32ChQB35toykJ4ESmfwryQ2KYuov8UDqSumpP1KUaL+cAiIoMoedhhOOWi5Z+X5BWvnfrcr/8rLWhCWlHud+pJgWwkfLxLx8kV4c8UfxgQkvDbH1xlzUUOY7Lp6/ X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Nov 2019 15:57:11.9877 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e456dd59-d4be-48dc-0a6b-08d769e47a4e X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.60.83]; Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR02MB4882 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 2a01:111:f400:fe49::602 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @xilinx.onmicrosoft.com) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Fill the audio channel with required number of bytes to cover the elapsed time. This prevents rate control reset, and avoids debug prints like below log: Resetting rate control (65692 samples) ... Resetting rate control (65721 samples) ... Signed-off-by: Sai Pavan Boddu Reviewed-by: Alistair Francis --- hw/display/xlnx_dp.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/hw/display/xlnx_dp.c b/hw/display/xlnx_dp.c index fde3b21..7058443 100644 --- a/hw/display/xlnx_dp.c +++ b/hw/display/xlnx_dp.c @@ -394,13 +394,18 @@ static void xlnx_dp_audio_callback(void *opaque, int = avail) written =3D AUD_write(s->amixer_output_stream, &s->out_buffer[s->data_ptr], s->byte_left); } else { + int len_to_copy; /* * There is nothing to play.. We don't have any data! Fill the * buffer with zero's and send it. */ written =3D 0; - memset(s->out_buffer, 0, 1024); - AUD_write(s->amixer_output_stream, s->out_buffer, 1024); + while (avail) { + len_to_copy =3D MIN(AUD_CHBUF_MAX_DEPTH, avail); + memset(s->out_buffer, 0, len_to_copy); + avail -=3D AUD_write(s->amixer_output_stream, s->out_buffe= r, + len_to_copy); + } } } else { written =3D AUD_write(s->amixer_output_stream, --=20 2.7.4