From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15C50C433B4 for ; Wed, 28 Apr 2021 17:18:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C6B9A6143A for ; Wed, 28 Apr 2021 17:18:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241543AbhD1RSr (ORCPT ); Wed, 28 Apr 2021 13:18:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229931AbhD1RSp (ORCPT ); Wed, 28 Apr 2021 13:18:45 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A103C061573; Wed, 28 Apr 2021 10:18:00 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id BE1851F42B88 Message-ID: Subject: Re: [PATCH v4 79/79] media: hantro: do a PM resume earlier From: Ezequiel Garcia To: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Greg Kroah-Hartman , Mauro Carvalho Chehab , Philipp Zabel , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org Date: Wed, 28 Apr 2021 14:17:50 -0300 In-Reply-To: <569838d406dde80dcc64989a663882817a54cbb2.1619621413.git.mchehab+huawei@kernel.org> References: <569838d406dde80dcc64989a663882817a54cbb2.1619621413.git.mchehab+huawei@kernel.org> Organization: Collabora Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.2-1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mauro, Thanks a lot for taking care of this. On Wed, 2021-04-28 at 16:52 +0200, Mauro Carvalho Chehab wrote: > The device_run() first enables the clock and then > tries to resume PM runtime, checking for errors. > > Well, if for some reason the pm_runtime can not resume, > it would be better to detect it beforehand. > > So, change the order inside device_run(). > > Signed-off-by: Mauro Carvalho Chehab Clocks could be behind power-domains, IIRC, so this change is fixing that. However, this has ever been a problem for this driver, so I don't think it makes sense to bother with Fixes tag. Reviewed-by: Ezequiel Garcia Thanks, Ezequiel > --- >  drivers/staging/media/hantro/hantro_drv.c | 8 ++++---- >  1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c > index 25fa36e7e773..67de6b15236d 100644 > --- a/drivers/staging/media/hantro/hantro_drv.c > +++ b/drivers/staging/media/hantro/hantro_drv.c > @@ -160,14 +160,14 @@ static void device_run(void *priv) >         src = hantro_get_src_buf(ctx); >         dst = hantro_get_dst_buf(ctx); >   > -       ret = clk_bulk_enable(ctx->dev->variant->num_clocks, ctx->dev->clocks); > -       if (ret) > -               goto err_cancel_job; > - >         ret = pm_runtime_resume_and_get(ctx->dev->dev); >         if (ret < 0) >                 goto err_cancel_job; >   > +       ret = clk_bulk_enable(ctx->dev->variant->num_clocks, ctx->dev->clocks); > +       if (ret) > +               goto err_cancel_job; > + >         v4l2_m2m_buf_copy_metadata(src, dst, true); >   >         ctx->codec_ops->run(ctx); From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7703C433ED for ; Wed, 28 Apr 2021 17:18:04 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 425A26144C for ; Wed, 28 Apr 2021 17:18:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 425A26144C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org SGkgTWF1cm8sCgpUaGFua3MgYSBsb3QgZm9yIHRha2luZyBjYXJlIG9mIHRoaXMuCgpPbiBXZWQs IDIwMjEtMDQtMjggYXQgMTY6NTIgKzAyMDAsIE1hdXJvIENhcnZhbGhvIENoZWhhYiB3cm90ZToK PiBUaGUgZGV2aWNlX3J1bigpIGZpcnN0IGVuYWJsZXMgdGhlIGNsb2NrIGFuZCB0aGVuCj4gdHJp ZXMgdG8gcmVzdW1lIFBNIHJ1bnRpbWUsIGNoZWNraW5nIGZvciBlcnJvcnMuCj4gCj4gV2VsbCwg aWYgZm9yIHNvbWUgcmVhc29uIHRoZSBwbV9ydW50aW1lIGNhbiBub3QgcmVzdW1lLAo+IGl0IHdv dWxkIGJlIGJldHRlciB0byBkZXRlY3QgaXQgYmVmb3JlaGFuZC4KPiAKPiBTbywgY2hhbmdlIHRo ZSBvcmRlciBpbnNpZGUgZGV2aWNlX3J1bigpLgo+IAo+IFNpZ25lZC1vZmYtYnk6IE1hdXJvIENh cnZhbGhvIENoZWhhYiA8bWNoZWhhYitodWF3ZWlAa2VybmVsLm9yZz4KCkNsb2NrcyBjb3VsZCBi ZSBiZWhpbmQgcG93ZXItZG9tYWlucywgSUlSQywgc28gdGhpcyBjaGFuZ2UKaXMgZml4aW5nIHRo YXQuCgpIb3dldmVyLCB0aGlzIGhhcyBldmVyIGJlZW4gYSBwcm9ibGVtIGZvciB0aGlzIGRyaXZl ciwKc28gSSBkb24ndCB0aGluayBpdCBtYWtlcyBzZW5zZSB0byBib3RoZXIgd2l0aCBGaXhlcyB0 YWcuCgpSZXZpZXdlZC1ieTogRXplcXVpZWwgR2FyY2lhIDxlemVxdWllbEBjb2xsYWJvcmEuY29t PgoKVGhhbmtzLApFemVxdWllbAoKPiAtLS0KPiDCoGRyaXZlcnMvc3RhZ2luZy9tZWRpYS9oYW50 cm8vaGFudHJvX2Rydi5jIHwgOCArKysrLS0tLQo+IMKgMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0 aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9zdGFnaW5n L21lZGlhL2hhbnRyby9oYW50cm9fZHJ2LmMgYi9kcml2ZXJzL3N0YWdpbmcvbWVkaWEvaGFudHJv L2hhbnRyb19kcnYuYwo+IGluZGV4IDI1ZmEzNmU3ZTc3My4uNjdkZTZiMTUyMzZkIDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvc3RhZ2luZy9tZWRpYS9oYW50cm8vaGFudHJvX2Rydi5jCj4gKysrIGIv ZHJpdmVycy9zdGFnaW5nL21lZGlhL2hhbnRyby9oYW50cm9fZHJ2LmMKPiBAQCAtMTYwLDE0ICsx NjAsMTQgQEAgc3RhdGljIHZvaWQgZGV2aWNlX3J1bih2b2lkICpwcml2KQo+IMKgwqDCoMKgwqDC oMKgwqBzcmMgPSBoYW50cm9fZ2V0X3NyY19idWYoY3R4KTsKPiDCoMKgwqDCoMKgwqDCoMKgZHN0 ID0gaGFudHJvX2dldF9kc3RfYnVmKGN0eCk7Cj4gwqAKPiAtwqDCoMKgwqDCoMKgwqByZXQgPSBj bGtfYnVsa19lbmFibGUoY3R4LT5kZXYtPnZhcmlhbnQtPm51bV9jbG9ja3MsIGN0eC0+ZGV2LT5j bG9ja3MpOwo+IC3CoMKgwqDCoMKgwqDCoGlmIChyZXQpCj4gLcKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoGdvdG8gZXJyX2NhbmNlbF9qb2I7Cj4gLQo+IMKgwqDCoMKgwqDCoMKgwqByZXQg PSBwbV9ydW50aW1lX3Jlc3VtZV9hbmRfZ2V0KGN0eC0+ZGV2LT5kZXYpOwo+IMKgwqDCoMKgwqDC oMKgwqBpZiAocmV0IDwgMCkKPiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGdvdG8g ZXJyX2NhbmNlbF9qb2I7Cj4gwqAKPiArwqDCoMKgwqDCoMKgwqByZXQgPSBjbGtfYnVsa19lbmFi bGUoY3R4LT5kZXYtPnZhcmlhbnQtPm51bV9jbG9ja3MsIGN0eC0+ZGV2LT5jbG9ja3MpOwo+ICvC oMKgwqDCoMKgwqDCoGlmIChyZXQpCj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGdv dG8gZXJyX2NhbmNlbF9qb2I7Cj4gKwo+IMKgwqDCoMKgwqDCoMKgwqB2NGwyX20ybV9idWZfY29w eV9tZXRhZGF0YShzcmMsIGRzdCwgdHJ1ZSk7Cj4gwqAKPiDCoMKgwqDCoMKgwqDCoMKgY3R4LT5j b2RlY19vcHMtPnJ1bihjdHgpOwoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpMaW51eC1yb2NrY2hpcCBtYWlsaW5nIGxpc3QKTGludXgtcm9ja2NoaXBA bGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2xpbnV4LXJvY2tjaGlwCg==