From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on sa.local.altlinux.org X-Spam-Level: X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,RP_MATCHES_RCVD autolearn=ham autolearn_force=no version=3.4.1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=basealt.ru; s=dkim; t=1756910491; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=M8owhUtR1R/gaK8mIN+BGNhP6Qsta3tJR4Ab2Pm3QZk=; b=cLFWHwilCiO/C0MfC1mkdgAHif3+cwPQIgUdyJmBplvrHVotE2tOfIVtt0PnfQXFgA1asZ AUrOkvedqErYzvx3VM6AXTqpZSt+D5Id89r1j8a7rPQtUvGIgnI0rpyCzQsuyxWh6N897s Y8RdPafn/feOMYRvZX/+Xj9sKjvwGzo7tD5rLp0AM5hQ0rMxMOTG3EYRWUCzA9lsPu8Y9E 0o03aAN77P8w2YJO08rLsOtjyD1O5nTsa5FR/OLVgrXcxSH9jwzmlGdICsQETJ6xHsBaB4 WhbcjjDgBBTV+Ksf+9zi4W1u7yB+zlDp0590YI8mGsaLjhwSrKOXt96/ZE4fIw== From: Daniil Gnusarev To: gnusarevda@basealt.ru, devel-kernel@lists.altlinux.org Date: Wed, 3 Sep 2025 18:41:51 +0400 Message-ID: <20250903144151.741148-2-gnusarevda@basealt.ru> X-Mailer: git-send-email 2.42.2 In-Reply-To: <20250903144151.741148-1-gnusarevda@basealt.ru> References: <20250903144151.741148-1-gnusarevda@basealt.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [d-kernel] [PATCH 1/1] dw-hdmi: add flag SNDRV_PCM_INFO_BATCH for audio via hdmi on Baikal-M X-BeenThere: devel-kernel@lists.altlinux.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: ALT Linux kernel packages development List-Id: ALT Linux kernel packages development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Sep 2025 14:41:35 -0000 Archived-At: List-Archive: List-Post: There is an unstable sound output via HDMI with the dw-hdmi-ahb-audiŠ¾ driver when working on Baikal-M. Additional setting of the SNDRV_PCM_INFO_BATCH flag solves this problem. Let's use it. Signed-off-by: Daniil Gnusarev --- drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c | 2 ++ drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h | 1 + drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 3 ++- 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c index 89af1b6a2ef2b..af0295d3bdfcb 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c @@ -356,6 +356,8 @@ static int dw_hdmi_open(struct snd_pcm_substream *substream) int ret; runtime->hw = dw_hdmi_hw; + if (dw->data.batch_mode) + runtime->hw.info |= SNDRV_PCM_INFO_BATCH; eld = dw->data.get_eld(dw->data.hdmi); if (eld) { diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h index 3250588d39ff0..aa9f470fcd03a 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h @@ -11,6 +11,7 @@ struct dw_hdmi_audio_data { struct dw_hdmi *hdmi; u8 *(*get_eld)(struct dw_hdmi *hdmi); unsigned regshift; + bool batch_mode; }; struct dw_hdmi_i2s_audio_data { diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 2805b58619a76..7dc010524c0cc 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -3527,7 +3527,8 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev, audio.regshift = 2; dev_info(dev, "setting audio.regshift=%d for BE-M1000 SoC\n", audio.regshift); - } + audio.batch_mode = true; + } else audio.batch_mode = false; hdmi->enable_audio = dw_hdmi_ahb_audio_enable; hdmi->disable_audio = dw_hdmi_ahb_audio_disable; -- 2.42.2