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=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 8F3A7C433E0 for ; Wed, 1 Jul 2020 12:04:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A20A206B6 for ; Wed, 1 Jul 2020 12:04:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="fb7cuRhL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730352AbgGAMEV (ORCPT ); Wed, 1 Jul 2020 08:04:21 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:48742 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730103AbgGAMEU (ORCPT ); Wed, 1 Jul 2020 08:04:20 -0400 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 061BsUri021383; Wed, 1 Jul 2020 14:04:07 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : subject : date : message-id : mime-version : content-type; s=STMicroelectronics; bh=Ljx3jsZZFIQ7xSm8ZJvSzuKpK0meAfEeFxtF2zZEFYc=; b=fb7cuRhLxGzcX8nKWbKjpT7OfnBxp+qNk7oCqA/ls3qEgUKwWWFqJvftpNRJNQ36k9dm 76X4hOkHhyMKsvcaTfXqwcYlRxmjwqpXv2+9hcVrVNrcMw4plpoIthjokrHSozxqDNtB qKEVWde2MeJjGX4Vx9lVGmmJYXHxfaDtZlb7Ihss/6Qg5G8hA769U3rjli3oKjwfUiaZ 2oR9PaLMR0+MDrPZbFIkuE9NPNoHF8ovdXf98HeX2tclZ2Ppo0Q4SF80YrSYJkSrAhuE 9O2CK8Wqcpj/dGlbWYApLDibhJtQofNa3eSB/N12B+i5U1YXGy0+jLXhhf+YLzEKrvtC WA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 31ww0g9sx6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Jul 2020 14:04:07 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 605A810002A; Wed, 1 Jul 2020 14:04:06 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag6node1.st.com [10.75.127.16]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 43F922B2CE5; Wed, 1 Jul 2020 14:04:06 +0200 (CEST) Received: from localhost (10.75.127.46) by SFHDAG6NODE1.st.com (10.75.127.16) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 1 Jul 2020 14:04:05 +0200 From: Yannick Fertre To: Yannick Fertre , Philippe Cornu , Benjamin Gaignard , David Airlie , Daniel Vetter , Maxime Coquelin , Alexandre Torgue , , , , Subject: [PATCH] drm/stm: ltdc: remove call of pm-runtime functions Date: Wed, 1 Jul 2020 14:04:02 +0200 Message-ID: <20200701120402.6444-1-yannick.fertre@st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG5NODE1.st.com (10.75.127.13) To SFHDAG6NODE1.st.com (10.75.127.16) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-01_07:2020-07-01,2020-07-01 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is not necessary to suspend or stop the ltdc clocks to modify the pixel clock. Signed-off-by: Yannick Fertre --- drivers/gpu/drm/stm/ltdc.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 3f590d916e91..6e28f707092f 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -506,15 +506,7 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *adjusted_mode) { struct ltdc_device *ldev = crtc_to_ltdc(crtc); - struct drm_device *ddev = crtc->dev; int rate = mode->clock * 1000; - bool runtime_active; - int ret; - - runtime_active = pm_runtime_active(ddev->dev); - - if (runtime_active) - pm_runtime_put_sync(ddev->dev); if (clk_set_rate(ldev->pixel_clk, rate) < 0) { DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate); @@ -523,14 +515,6 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, adjusted_mode->clock = clk_get_rate(ldev->pixel_clk) / 1000; - if (runtime_active) { - ret = pm_runtime_get_sync(ddev->dev); - if (ret) { - DRM_ERROR("Failed to fixup mode, cannot get sync\n"); - return false; - } - } - DRM_DEBUG_DRIVER("requested clock %dkHz, adjusted clock %dkHz\n", mode->clock, adjusted_mode->clock); -- 2.17.1 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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 7B835C433DF for ; Wed, 1 Jul 2020 12:06:34 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 4945F20760 for ; Wed, 1 Jul 2020 12:06:34 +0000 (UTC) Authentication-Results: mail.kernel.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org It is not necessary to suspend or stop the ltdc clocks to modify the pixel clock. Signed-off-by: Yannick Fertre --- drivers/gpu/drm/stm/ltdc.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 3f590d916e91..6e28f707092f 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -506,15 +506,7 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *adjusted_mode) { struct ltdc_device *ldev = crtc_to_ltdc(crtc); - struct drm_device *ddev = crtc->dev; int rate = mode->clock * 1000; - bool runtime_active; - int ret; - - runtime_active = pm_runtime_active(ddev->dev); - - if (runtime_active) - pm_runtime_put_sync(ddev->dev); if (clk_set_rate(ldev->pixel_clk, rate) < 0) { DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate); @@ -523,14 +515,6 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, adjusted_mode->clock = clk_get_rate(ldev->pixel_clk) / 1000; - if (runtime_active) { - ret = pm_runtime_get_sync(ddev->dev); - if (ret) { - DRM_ERROR("Failed to fixup mode, cannot get sync\n"); - return false; - } - } - DRM_DEBUG_DRIVER("requested clock %dkHz, adjusted clock %dkHz\n", mode->clock, adjusted_mode->clock); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 E2AACC433DF for ; Wed, 1 Jul 2020 12:04:12 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 83979206B6 for ; 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Wed, 1 Jul 2020 14:04:06 +0200 (CEST) Received: from localhost (10.75.127.46) by SFHDAG6NODE1.st.com (10.75.127.16) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 1 Jul 2020 14:04:05 +0200 From: Yannick Fertre To: Yannick Fertre , Philippe Cornu , Benjamin Gaignard , David Airlie , Daniel Vetter , Maxime Coquelin , Alexandre Torgue , , , , Subject: [PATCH] drm/stm: ltdc: remove call of pm-runtime functions Date: Wed, 1 Jul 2020 14:04:02 +0200 Message-ID: <20200701120402.6444-1-yannick.fertre@st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG5NODE1.st.com (10.75.127.13) To SFHDAG6NODE1.st.com (10.75.127.16) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-01_07:2020-07-01, 2020-07-01 signatures=0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" It is not necessary to suspend or stop the ltdc clocks to modify the pixel clock. Signed-off-by: Yannick Fertre --- drivers/gpu/drm/stm/ltdc.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 3f590d916e91..6e28f707092f 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -506,15 +506,7 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *adjusted_mode) { struct ltdc_device *ldev = crtc_to_ltdc(crtc); - struct drm_device *ddev = crtc->dev; int rate = mode->clock * 1000; - bool runtime_active; - int ret; - - runtime_active = pm_runtime_active(ddev->dev); - - if (runtime_active) - pm_runtime_put_sync(ddev->dev); if (clk_set_rate(ldev->pixel_clk, rate) < 0) { DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate); @@ -523,14 +515,6 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, adjusted_mode->clock = clk_get_rate(ldev->pixel_clk) / 1000; - if (runtime_active) { - ret = pm_runtime_get_sync(ddev->dev); - if (ret) { - DRM_ERROR("Failed to fixup mode, cannot get sync\n"); - return false; - } - } - DRM_DEBUG_DRIVER("requested clock %dkHz, adjusted clock %dkHz\n", mode->clock, adjusted_mode->clock); -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel