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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 3FC85C433E6 for ; Thu, 7 Jan 2021 02:41:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E137823101 for ; Thu, 7 Jan 2021 02:41:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726932AbhAGCle (ORCPT ); Wed, 6 Jan 2021 21:41:34 -0500 Received: from smtpcmd11116.aruba.it ([62.149.156.116]:52140 "EHLO smtpcmd11116.aruba.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726703AbhAGCle (ORCPT ); Wed, 6 Jan 2021 21:41:34 -0500 Received: from ubuntu.localdomain ([146.241.198.163]) by Aruba Outgoing Smtp with ESMTPSA id xL4LkiX9OkRIKxL4OkeM1R; Thu, 07 Jan 2021 03:30:36 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1609986636; bh=D5liGHuYvej/2Vs0D+XFNKOleokAhu+S68gzN0VDH9U=; h=From:To:Subject:Date:MIME-Version; b=hdu9yx6qP/HwdpHOlT+OFDXh85hLzsAK6PxWG2FaYWYImwwH2WPzsV6f/fvgyrL0D wTVbQ320IkluX5Zb/CUGxawPt3l8GYFs4KpUpNfA42hFLC0qBjX/m+peXRFwEzhXh2 BHJm33fCOelKRpEm5To6YX+qz0thuQFGQJWEjoat3ZG6Ffa9Mu0ompBcYQeMpq0Mua IFAbaD+lZ3+Y/tWHB1bL5ih+5n9Ei2n76HHN6prqFtmgva82GdOixH0YP3sr2w0/NJ BeWzulF7GXUJV9fRz6+BMEVoPLJ+S1w4wXk18bDQrfIfMeRALWy2vi6TVuDQRqIRJ/ JYnSbIukC4ycA== From: Giulio Benetti To: Maxime Ripard Cc: Marjan Pascolo , wens@csie.org, daniel@ffwll.ch, airlied@linux.ie, treding@nvidia.com, Jernej Skrabec , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Giulio Benetti Subject: [PATCH v2 1/2] drm/sun4i: tcon: fix inverted DCLK polarity Date: Thu, 7 Jan 2021 03:30:31 +0100 Message-Id: <20210107023032.560182-2-giulio.benetti@benettiengineering.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210107023032.560182-1-giulio.benetti@benettiengineering.com> References: <3685133.SLcexNTYsu@kista> <20210107023032.560182-1-giulio.benetti@benettiengineering.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CMAE-Envelope: MS4wfDPwNH/FgacnF1sUUyqDtIHhJPzsiAY1wJSQ4dQfBax5aRm4Zi6mwJSLaQbhE5CmjOpGqBGUngrQgHGJt0GdkgiakP6SHa4P3QKO4/VWFMK+FjxxhrCv +TXHBPT8FJkM9S9Mfigu6+teKRKk8UOV853vWLWc2fEVeV6moKSNRJUSB0mX0r20rqAmtMIpNY4xiug2H0HEmTnODCUPC41h2wb5FquH1gPAkwYBl7fYWht3 rQQRUUuw+s1g0pfIvALKMbCzbwJTjtWWu+xbgcLQBvQ3kspe5mXfe1EGGIOch4y5DbFPjPeWxqscUc+giXhqlRBdv9zrhEpYOE6mY49x1Xm9fDnBeUTlWNmP Fnn9FbMQEu5cNSmjs43Y9CvD2WqNef8KcOUh9NikYV+7n3+fKjiTMTUYL1QOikDAtB0vpJpqk8DCN14j66gd4+b1mstREjDgfI57bns/zCkA299KW6BsZJpr UmNtk2nAzw8xQ2oeawoite2lq3Y1D6FJ2vlIfS+syyK4k0pQFYlZIITHVylsDH2R97VQ78XNbvv5+21NRTLtoFj90KbJgP6H4HEgHQ== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Giulio Benetti During commit 88bc4178568b ("drm: Use new DRM_BUS_FLAG_*_(DRIVE|SAMPLE)_(POS|NEG)EDGE flags") DRM_BUS_FLAG_* macros have been changed to avoid ambiguity but just because of this ambiguity previous DRM_BUS_FLAG_PIXDATA_(POS/NEG)EDGE were used meaning _SAMPLE_ not _DRIVE_. This lead to DLCK inversion, so let's swap DCLK phase to fix it. Fixes: 88bc4178568b ("drm: Use new DRM_BUS_FLAG_*_(DRIVE|SAMPLE)_(POS|NEG)EDGE flags") Signed-off-by: Giulio Benetti --- V1->V2: use Fixes: tag in commit log as suggested by Jernej --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index eaaf5d70e352..52598bb0fb0b 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -585,10 +585,10 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, * and DOTCLOCK drivers. */ if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE) - clk_set_phase(tcon->dclk, 240); + clk_set_phase(tcon->dclk, 0); if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) - clk_set_phase(tcon->dclk, 0); + clk_set_phase(tcon->dclk, 240); regmap_update_bits(tcon->regs, SUN4I_TCON0_IO_POL_REG, SUN4I_TCON0_IO_POL_HSYNC_POSITIVE | -- 2.25.1 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 5CAD5C433E6 for ; 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d=aruba.it; s=a1; t=1609986636; bh=D5liGHuYvej/2Vs0D+XFNKOleokAhu+S68gzN0VDH9U=; h=From:To:Subject:Date:MIME-Version; b=hdu9yx6qP/HwdpHOlT+OFDXh85hLzsAK6PxWG2FaYWYImwwH2WPzsV6f/fvgyrL0D wTVbQ320IkluX5Zb/CUGxawPt3l8GYFs4KpUpNfA42hFLC0qBjX/m+peXRFwEzhXh2 BHJm33fCOelKRpEm5To6YX+qz0thuQFGQJWEjoat3ZG6Ffa9Mu0ompBcYQeMpq0Mua IFAbaD+lZ3+Y/tWHB1bL5ih+5n9Ei2n76HHN6prqFtmgva82GdOixH0YP3sr2w0/NJ BeWzulF7GXUJV9fRz6+BMEVoPLJ+S1w4wXk18bDQrfIfMeRALWy2vi6TVuDQRqIRJ/ JYnSbIukC4ycA== From: Giulio Benetti To: Maxime Ripard Subject: [PATCH v2 1/2] drm/sun4i: tcon: fix inverted DCLK polarity Date: Thu, 7 Jan 2021 03:30:31 +0100 Message-Id: <20210107023032.560182-2-giulio.benetti@benettiengineering.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210107023032.560182-1-giulio.benetti@benettiengineering.com> References: <3685133.SLcexNTYsu@kista> <20210107023032.560182-1-giulio.benetti@benettiengineering.com> MIME-Version: 1.0 X-CMAE-Envelope: MS4wfDPwNH/FgacnF1sUUyqDtIHhJPzsiAY1wJSQ4dQfBax5aRm4Zi6mwJSLaQbhE5CmjOpGqBGUngrQgHGJt0GdkgiakP6SHa4P3QKO4/VWFMK+FjxxhrCv +TXHBPT8FJkM9S9Mfigu6+teKRKk8UOV853vWLWc2fEVeV6moKSNRJUSB0mX0r20rqAmtMIpNY4xiug2H0HEmTnODCUPC41h2wb5FquH1gPAkwYBl7fYWht3 rQQRUUuw+s1g0pfIvALKMbCzbwJTjtWWu+xbgcLQBvQ3kspe5mXfe1EGGIOch4y5DbFPjPeWxqscUc+giXhqlRBdv9zrhEpYOE6mY49x1Xm9fDnBeUTlWNmP Fnn9FbMQEu5cNSmjs43Y9CvD2WqNef8KcOUh9NikYV+7n3+fKjiTMTUYL1QOikDAtB0vpJpqk8DCN14j66gd4+b1mstREjDgfI57bns/zCkA299KW6BsZJpr UmNtk2nAzw8xQ2oeawoite2lq3Y1D6FJ2vlIfS+syyK4k0pQFYlZIITHVylsDH2R97VQ78XNbvv5+21NRTLtoFj90KbJgP6H4HEgHQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210106_213040_485844_31EA3E4D X-CRM114-Status: GOOD ( 10.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jernej Skrabec , airlied@linux.ie, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, wens@csie.org, linux-arm-kernel@lists.infradead.org, daniel@ffwll.ch, treding@nvidia.com, Giulio Benetti , Marjan Pascolo Content-Type: text/plain; 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 From: Giulio Benetti During commit 88bc4178568b ("drm: Use new DRM_BUS_FLAG_*_(DRIVE|SAMPLE)_(POS|NEG)EDGE flags") DRM_BUS_FLAG_* macros have been changed to avoid ambiguity but just because of this ambiguity previous DRM_BUS_FLAG_PIXDATA_(POS/NEG)EDGE were used meaning _SAMPLE_ not _DRIVE_. This lead to DLCK inversion, so let's swap DCLK phase to fix it. Fixes: 88bc4178568b ("drm: Use new DRM_BUS_FLAG_*_(DRIVE|SAMPLE)_(POS|NEG)EDGE flags") Signed-off-by: Giulio Benetti --- V1->V2: use Fixes: tag in commit log as suggested by Jernej --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index eaaf5d70e352..52598bb0fb0b 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -585,10 +585,10 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, * and DOTCLOCK drivers. */ if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE) - clk_set_phase(tcon->dclk, 240); + clk_set_phase(tcon->dclk, 0); if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) - clk_set_phase(tcon->dclk, 0); + clk_set_phase(tcon->dclk, 240); regmap_update_bits(tcon->regs, SUN4I_TCON0_IO_POL_REG, SUN4I_TCON0_IO_POL_HSYNC_POSITIVE | -- 2.25.1 _______________________________________________ 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 CB757C433E0 for ; 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Thu, 07 Jan 2021 03:30:36 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1609986636; bh=D5liGHuYvej/2Vs0D+XFNKOleokAhu+S68gzN0VDH9U=; h=From:To:Subject:Date:MIME-Version; b=hdu9yx6qP/HwdpHOlT+OFDXh85hLzsAK6PxWG2FaYWYImwwH2WPzsV6f/fvgyrL0D wTVbQ320IkluX5Zb/CUGxawPt3l8GYFs4KpUpNfA42hFLC0qBjX/m+peXRFwEzhXh2 BHJm33fCOelKRpEm5To6YX+qz0thuQFGQJWEjoat3ZG6Ffa9Mu0ompBcYQeMpq0Mua IFAbaD+lZ3+Y/tWHB1bL5ih+5n9Ei2n76HHN6prqFtmgva82GdOixH0YP3sr2w0/NJ BeWzulF7GXUJV9fRz6+BMEVoPLJ+S1w4wXk18bDQrfIfMeRALWy2vi6TVuDQRqIRJ/ JYnSbIukC4ycA== From: Giulio Benetti To: Maxime Ripard Subject: [PATCH v2 1/2] drm/sun4i: tcon: fix inverted DCLK polarity Date: Thu, 7 Jan 2021 03:30:31 +0100 Message-Id: <20210107023032.560182-2-giulio.benetti@benettiengineering.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210107023032.560182-1-giulio.benetti@benettiengineering.com> References: <3685133.SLcexNTYsu@kista> <20210107023032.560182-1-giulio.benetti@benettiengineering.com> MIME-Version: 1.0 X-CMAE-Envelope: MS4wfDPwNH/FgacnF1sUUyqDtIHhJPzsiAY1wJSQ4dQfBax5aRm4Zi6mwJSLaQbhE5CmjOpGqBGUngrQgHGJt0GdkgiakP6SHa4P3QKO4/VWFMK+FjxxhrCv +TXHBPT8FJkM9S9Mfigu6+teKRKk8UOV853vWLWc2fEVeV6moKSNRJUSB0mX0r20rqAmtMIpNY4xiug2H0HEmTnODCUPC41h2wb5FquH1gPAkwYBl7fYWht3 rQQRUUuw+s1g0pfIvALKMbCzbwJTjtWWu+xbgcLQBvQ3kspe5mXfe1EGGIOch4y5DbFPjPeWxqscUc+giXhqlRBdv9zrhEpYOE6mY49x1Xm9fDnBeUTlWNmP Fnn9FbMQEu5cNSmjs43Y9CvD2WqNef8KcOUh9NikYV+7n3+fKjiTMTUYL1QOikDAtB0vpJpqk8DCN14j66gd4+b1mstREjDgfI57bns/zCkA299KW6BsZJpr UmNtk2nAzw8xQ2oeawoite2lq3Y1D6FJ2vlIfS+syyK4k0pQFYlZIITHVylsDH2R97VQ78XNbvv5+21NRTLtoFj90KbJgP6H4HEgHQ== X-Mailman-Approved-At: Thu, 07 Jan 2021 08:53:13 +0000 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: , Cc: Jernej Skrabec , airlied@linux.ie, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, wens@csie.org, linux-arm-kernel@lists.infradead.org, treding@nvidia.com, Giulio Benetti , Marjan Pascolo Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Giulio Benetti During commit 88bc4178568b ("drm: Use new DRM_BUS_FLAG_*_(DRIVE|SAMPLE)_(POS|NEG)EDGE flags") DRM_BUS_FLAG_* macros have been changed to avoid ambiguity but just because of this ambiguity previous DRM_BUS_FLAG_PIXDATA_(POS/NEG)EDGE were used meaning _SAMPLE_ not _DRIVE_. This lead to DLCK inversion, so let's swap DCLK phase to fix it. Fixes: 88bc4178568b ("drm: Use new DRM_BUS_FLAG_*_(DRIVE|SAMPLE)_(POS|NEG)EDGE flags") Signed-off-by: Giulio Benetti --- V1->V2: use Fixes: tag in commit log as suggested by Jernej --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index eaaf5d70e352..52598bb0fb0b 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -585,10 +585,10 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, * and DOTCLOCK drivers. */ if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE) - clk_set_phase(tcon->dclk, 240); + clk_set_phase(tcon->dclk, 0); if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) - clk_set_phase(tcon->dclk, 0); + clk_set_phase(tcon->dclk, 240); regmap_update_bits(tcon->regs, SUN4I_TCON0_IO_POL_REG, SUN4I_TCON0_IO_POL_HSYNC_POSITIVE | -- 2.25.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel