From patchwork Thu May 18 14:09:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oswald Buddenhagen X-Patchwork-Id: 683398 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 82083C7EE23 for ; Thu, 18 May 2023 14:12:30 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 6BB4B206; Thu, 18 May 2023 16:11:38 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 6BB4B206 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1684419148; bh=B8+VwJa6q4nnA/x8Ok2d17U7hI5O4USuHJvFesYsEjA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=nsAbw7HewEDARwRTdgVFFVzjeQEi77tv4or1ilB3B8d1zeeeVSl73mkBvyYfqfbvx g7Sy/gH3jUVtqgSiop0hVXw6ApdiR5nB5Xa9YaMHQaJjuUMuqe9DbUcg4LPAbuhEvW Srj7jym1LLp1Um/gm8VlPYfWFaTyoVwv1dFbp0G0= Received: by alsa1.perex.cz (Postfix, from userid 50401) id C541BF805AE; Thu, 18 May 2023 16:10:09 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id DC2B0F805AB; Thu, 18 May 2023 16:10:08 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id CEAB7F80558; Thu, 18 May 2023 16:09:58 +0200 (CEST) Received: from bluemchen.kde.org (bluemchen.kde.org [IPv6:2001:470:142:8::100]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 73E68F8053D for ; Thu, 18 May 2023 16:09:51 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 73E68F8053D Received: from ugly.fritz.box (localhost [127.0.0.1]) by bluemchen.kde.org (Postfix) with ESMTP id 8282624051; Thu, 18 May 2023 10:09:47 -0400 (EDT) Received: by ugly.fritz.box (masqmail 0.3.4, from userid 1000) id 1pzeKB-d9e-00; Thu, 18 May 2023 16:09:47 +0200 From: Oswald Buddenhagen To: alsa-devel@alsa-project.org Cc: Takashi Iwai , Jaroslav Kysela Subject: [PATCH 4/7] ALSA: emu10k1: make freeing untouched playback voices cheap Date: Thu, 18 May 2023 16:09:44 +0200 Message-Id: <20230518140947.3725394-5-oswald.buddenhagen@gmx.de> X-Mailer: git-send-email 2.40.0.152.g15d061e6df In-Reply-To: <20230518140947.3725394-1-oswald.buddenhagen@gmx.de> References: <20230518140947.3725394-1-oswald.buddenhagen@gmx.de> MIME-Version: 1.0 Message-ID-Hash: E5PRBLMOLU3V3J6WROSH6WKK43INZLJU X-Message-ID-Hash: E5PRBLMOLU3V3J6WROSH6WKK43INZLJU X-MailFrom: ossi@kde.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: This allows us to drop the code that tries to preserve already allocated voices upon repeated hw_param callback invocations. Getting it right for multi-channel voices would otherwise get a bit hairy. Signed-off-by: Oswald Buddenhagen --- include/sound/emu10k1.h | 1 + sound/pci/emu10k1/emu10k1_callback.c | 1 + sound/pci/emu10k1/emupcm.c | 13 ++----------- sound/pci/emu10k1/emuproc.c | 5 +++-- sound/pci/emu10k1/voice.c | 5 +++-- 5 files changed, 10 insertions(+), 15 deletions(-) diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h index 2d247f8f635b..6ec2079534d4 100644 --- a/include/sound/emu10k1.h +++ b/include/sound/emu10k1.h @@ -1451,6 +1451,7 @@ struct snd_emu10k1; struct snd_emu10k1_voice { unsigned char number; unsigned char use; + unsigned char dirty; void (*interrupt)(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *pvoice); struct snd_emu10k1_pcm *epcm; diff --git a/sound/pci/emu10k1/emu10k1_callback.c b/sound/pci/emu10k1/emu10k1_callback.c index 4a8b2df06a28..d70ca1f50705 100644 --- a/sound/pci/emu10k1/emu10k1_callback.c +++ b/sound/pci/emu10k1/emu10k1_callback.c @@ -458,6 +458,7 @@ start_voice(struct snd_emux_voice *vp) } #endif + hw->voices[ch].dirty = 1; return 0; } diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c index aa3d6d573f05..c4696c127028 100644 --- a/sound/pci/emu10k1/emupcm.c +++ b/sound/pci/emu10k1/emupcm.c @@ -80,17 +80,6 @@ static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voic { int err, i; - if (epcm->voices[1] != NULL && voices < 2) { - snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); - epcm->voices[1] = NULL; - } - for (i = 0; i < voices; i++) { - if (epcm->voices[i] == NULL) - break; - } - if (i == voices) - return 0; /* already allocated */ - for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { if (epcm->voices[i]) { snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); @@ -306,6 +295,8 @@ static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, snd_emu10k1_compose_send_routing(send_routing)); } + emu->voices[voice].dirty = 1; + spin_unlock_irqrestore(&emu->reg_lock, flags); } diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c index c423a56ebf9e..abcec8a01760 100644 --- a/sound/pci/emu10k1/emuproc.c +++ b/sound/pci/emu10k1/emuproc.c @@ -372,11 +372,12 @@ static void snd_emu10k1_proc_voices_read(struct snd_info_entry *entry, }; static_assert(ARRAY_SIZE(types) == EMU10K1_NUM_TYPES); - snd_iprintf(buffer, "ch\tuse\n"); + snd_iprintf(buffer, "ch\tdirty\tuse\n"); for (idx = 0; idx < NUM_G; idx++) { voice = &emu->voices[idx]; - snd_iprintf(buffer, "%i\t%s\n", + snd_iprintf(buffer, "%i\t%u\t%s\n", idx, + voice->dirty, types[voice->use]); } } diff --git a/sound/pci/emu10k1/voice.c b/sound/pci/emu10k1/voice.c index ac89d09ed9bc..25e78fc188bf 100644 --- a/sound/pci/emu10k1/voice.c +++ b/sound/pci/emu10k1/voice.c @@ -87,9 +87,10 @@ static int voice_alloc(struct snd_emu10k1 *emu, int type, int number, static void voice_free(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *pvoice) { - snd_emu10k1_voice_init(emu, pvoice->number); + if (pvoice->dirty) + snd_emu10k1_voice_init(emu, pvoice->number); pvoice->interrupt = NULL; - pvoice->use = 0; + pvoice->use = pvoice->dirty = 0; pvoice->epcm = NULL; }