From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757917AbeD0KOm (ORCPT ); Fri, 27 Apr 2018 06:14:42 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:49444 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757645AbeD0KOj (ORCPT ); Fri, 27 Apr 2018 06:14:39 -0400 Reply-To: kieran.bingham@ideasonboard.com Subject: Re: [PATCH 07/17] drm: rcar-du: Add R8A77965 support To: Laurent Pinchart Cc: linux-renesas-soc@vger.kernel.org, David Airlie , "open list:DRM DRIVERS FOR RENESAS" , open list References: <20180426165346.494-1-kieran.bingham+renesas@ideasonboard.com> <20180426165346.494-8-kieran.bingham+renesas@ideasonboard.com> <1954980.A0ABKULED7@avalon> From: Kieran Bingham Openpgp: preference=signencrypt Autocrypt: addr=kieran.bingham+renesas@ideasonboard.com; prefer-encrypt=mutual; keydata= xsFNBFYE/WYBEACs1PwjMD9rgCu1hlIiUA1AXR4rv2v+BCLUq//vrX5S5bjzxKAryRf0uHat V/zwz6hiDrZuHUACDB7X8OaQcwhLaVlq6byfoBr25+hbZG7G3+5EUl9cQ7dQEdvNj6V6y/SC rRanWfelwQThCHckbobWiQJfK9n7rYNcPMq9B8e9F020LFH7Kj6YmO95ewJGgLm+idg1Kb3C potzWkXc1xmPzcQ1fvQMOfMwdS+4SNw4rY9f07Xb2K99rjMwZVDgESKIzhsDB5GY465sCsiQ cSAZRxqE49RTBq2+EQsbrQpIc8XiffAB8qexh5/QPzCmR4kJgCGeHIXBtgRj+nIkCJPZvZtf Kr2EAbc6tgg6DkAEHJb+1okosV09+0+TXywYvtEop/WUOWQ+zo+Y/OBd+8Ptgt1pDRyOBzL8 RXa8ZqRf0Mwg75D+dKntZeJHzPRJyrlfQokngAAs4PaFt6UfS+ypMAF37T6CeDArQC41V3ko lPn1yMsVD0p+6i3DPvA/GPIksDC4owjnzVX9kM8Zc5Cx+XoAN0w5Eqo4t6qEVbuettxx55gq 8K8FieAjgjMSxngo/HST8TpFeqI5nVeq0/lqtBRQKumuIqDg+Bkr4L1V/PSB6XgQcOdhtd36 Oe9X9dXB8YSNt7VjOcO7BTmFn/Z8r92mSAfHXpb07YJWJosQOQARAQABzTBLaWVyYW4gQmlu Z2hhbSA8a2llcmFuLmJpbmdoYW1AaWRlYXNvbmJvYXJkLmNvbT7CwYAEEwEKACoCGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4ACGQEFAlnDk/gFCQeA/YsACgkQoR5GchCkYf3X5w/9EaZ7 cnUcT6dxjxrcmmMnfFPoQA1iQXr/MXQJBjFWfxRUWYzjvUJb2D/FpA8FY7y+vksoJP7pWDL7 QTbksdwzagUEk7CU45iLWL/CZ/knYhj1I/+5LSLFmvZ/5Gf5xn2ZCsmg7C0MdW/GbJ8IjWA8 /LKJSEYH8tefoiG6+9xSNp1p0Gesu3vhje/GdGX4wDsfAxx1rIYDYVoX4bDM+uBUQh7sQox/ R1bS0AaVJzPNcjeC14MS226mQRUaUPc9250aj44WmDfcg44/kMsoLFEmQo2II9aOlxUDJ+x1 xohGbh9mgBoVawMO3RMBihcEjo/8ytW6v7xSF+xP4Oc+HOn7qebAkxhSWcRxQVaQYw3S9iZz 2iA09AXAkbvPKuMSXi4uau5daXStfBnmOfalG0j+9Y6hOFjz5j0XzaoF6Pln0jisDtWltYhP X9LjFVhhLkTzPZB/xOeWGmsG4gv2V2ExbU3uAmb7t1VSD9+IO3Km4FtnYOKBWlxwEd8qOFpS jEqMXURKOiJvnw3OXe9MqG19XdeENA1KyhK5rqjpwdvPGfSn2V+SlsdJA0DFsobUScD9qXQw OvhapHe3XboK2+Rd7L+g/9Ud7ZKLQHAsMBXOVJbufA1AT+IaOt0ugMcFkAR5UbBg5+dZUYJj 1QbPQcGmM3wfvuaWV5+SlJ+WeKIb8tbOwU0EVgT9ZgEQAM4o5G/kmruIQJ3K9SYzmPishRHV DcUcvoakyXSX2mIoccmo9BHtD9MxIt+QmxOpYFNFM7YofX4lG0ld8H7FqoNVLd/+a0yru5Cx adeZBe3qr1eLns10Q90LuMo7/6zJhCW2w+HE7xgmCHejAwuNe3+7yt4QmwlSGUqdxl8cgtS1 PlEK93xXDsgsJj/bw1EfSVdAUqhx8UQ3aVFxNug5OpoX9FdWJLKROUrfNeBE16RLrNrq2ROc iSFETpVjyC/oZtzRFnwD9Or7EFMi76/xrWzk+/b15RJ9WrpXGMrttHUUcYZEOoiC2lEXMSAF SSSj4vHbKDJ0vKQdEFtdgB1roqzxdIOg4rlHz5qwOTynueiBpaZI3PHDudZSMR5Fk6QjFooE XTw3sSl/km/lvUFiv9CYyHOLdygWohvDuMkV/Jpdkfq8XwFSjOle+vT/4VqERnYFDIGBxaRx koBLfNDiiuR3lD8tnJ4A1F88K6ojOUs+jndKsOaQpDZV6iNFv8IaNIklTPvPkZsmNDhJMRHH Iu60S7BpzNeQeT4yyY4dX9lC2JL/LOEpw8DGf5BNOP1KgjCvyp1/KcFxDAo89IeqljaRsCdP 7WCIECWYem6pLwaw6IAL7oX+tEqIMPph/G/jwZcdS6Hkyt/esHPuHNwX4guqTbVEuRqbDzDI 2DJO5FbxABEBAAHCwWUEGAEKAA8CGwwFAlnDlGsFCQeA/gIACgkQoR5GchCkYf1yYRAAq+Yo nbf9DGdK1kTAm2RTFg+w9oOp2Xjqfhds2PAhFFvrHQg1XfQR/UF/SjeUmaOmLSczM0s6XMeO VcE77UFtJ/+hLo4PRFKm5X1Pcar6g5m4xGqa+Xfzi9tRkwC29KMCoQOag1BhHChgqYaUH3yo UzaPwT/fY75iVI+yD0ih/e6j8qYvP8pvGwMQfrmN9YB0zB39YzCSdaUaNrWGD3iCBxg6lwSO LKeRhxxfiXCIYEf3vwOsP3YMx2JkD5doseXmWBGW1U0T/oJF+DVfKB6mv5UfsTzpVhJRgee7 4jkjqFq4qsUGxcvF2xtRkfHFpZDbRgRlVmiWkqDkT4qMA+4q1y/dWwshSKi/uwVZNycuLsz+ +OD8xPNCsMTqeUkAKfbD8xW4LCay3r/dD2ckoxRxtMD9eOAyu5wYzo/ydIPTh1QEj9SYyvp8 O0g6CpxEwyHUQtF5oh15O018z3ZLztFJKR3RD42VKVsrnNDKnoY0f4U0z7eJv2NeF8xHMuiU RCIzqxX1GVYaNkKTnb/Qja8hnYnkUzY1Lc+OtwiGmXTwYsPZjjAaDX35J/RSKAoy5wGo/YFA JxB1gWThL4kOTbsqqXj9GLcyOImkW0lJGGR3o/fV91Zh63S5TKnf2YGGGzxki+ADdxVQAm+Q sbsRB8KNNvVXBOVNwko86rQqF9drZuw= Organization: Ideas on Board Message-ID: Date: Fri, 27 Apr 2018 11:14:34 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <1954980.A0ABKULED7@avalon> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 26/04/18 21:43, Laurent Pinchart wrote: > Hi Kieran, > > Thank you for the patch. > > On Thursday, 26 April 2018 19:53:36 EEST Kieran Bingham wrote: >> The R8A77965 (M3-N) SoC provides VGA, HDMI and LVDS output. >> >> This platform is unusual in that the VGA is connected to DU3 leaving DU2 >> unpopulated. This is reflected by the channel_mask accordingly. > > I'd write s/VGA/DPAD/g (or s/VGA/RGB/g) as the DPAD output can be used for > other purposes than VGA. > >> Signed-off-by: Kieran Bingham >> --- >> drivers/gpu/drm/rcar-du/rcar_du_drv.c | 29 +++++++++++++++++++++++++++ >> 1 file changed, 29 insertions(+) >> >> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c >> b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index d6ebc628fc22..4d195ff8c569 >> 100644 >> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c >> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c >> @@ -246,6 +246,34 @@ static const struct rcar_du_device_info >> rcar_du_r8a7796_info = { .dpll_ch = BIT(1), >> }; >> >> +static const struct rcar_du_device_info rcar_du_r8a77965_info = { >> + .gen = 3, >> + .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK >> + | RCAR_DU_FEATURE_EXT_CTRL_REGS >> + | RCAR_DU_FEATURE_VSP1_SOURCE, >> + .channel_mask = BIT(0) | BIT(1) | BIT(3), > > Depending on what you think of my suggestions for patch 05/17, you might want > to reverse the bit order here. Done. > >> + .routes = { >> + /* >> + * R8A77965 has one RGB output, one LVDS output and one HDMI >> + * output. >> + */ >> + [RCAR_DU_OUTPUT_DPAD0] = { >> + .possible_crtcs = BIT(2), >> + .port = 0, >> + }, >> + [RCAR_DU_OUTPUT_HDMI0] = { >> + .possible_crtcs = BIT(1), >> + .port = 1, >> + }, >> + [RCAR_DU_OUTPUT_LVDS0] = { >> + .possible_crtcs = BIT(0), > > I wonder whether it wouldn't be easier to read if we replaced possible_crtcs > with possible_channels, as this structure describes the hardware and had its > num_crtcs field replaced with a channel_mask. This would require converting > the possible_channels field to a possible_crtcs field in > rcar_du_modeset_init(), and I think that no change would be needed in > rcar_du_group_setup_defr8() (but please double check). On the other hand, no > code would be simplified, and rcar_du_modeset_init() would gain some > additional complexity, so it might not be worth it. I think we can leave this for now and consider it later if worth while. > > Either way this patch looks good to me. > > Reviewed-by: Laurent Pinchart Thanks, collected. -- Kieran > >> + .port = 2, >> + }, >> + }, >> + .num_lvds = 1, >> + .dpll_ch = BIT(1), >> +}; >> + >> static const struct rcar_du_device_info rcar_du_r8a77970_info = { >> .gen = 3, >> .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK >> @@ -277,6 +305,7 @@ static const struct of_device_id rcar_du_of_table[] = { >> { .compatible = "renesas,du-r8a7794", .data = &rcar_du_r8a7794_info }, >> { .compatible = "renesas,du-r8a7795", .data = &rcar_du_r8a7795_info }, >> { .compatible = "renesas,du-r8a7796", .data = &rcar_du_r8a7796_info }, >> + { .compatible = "renesas,du-r8a77965", .data = &rcar_du_r8a77965_info }, >> { .compatible = "renesas,du-r8a77970", .data = &rcar_du_r8a77970_info }, >> { } >> }; > From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kieran Bingham Subject: Re: [PATCH 07/17] drm: rcar-du: Add R8A77965 support Date: Fri, 27 Apr 2018 11:14:34 +0100 Message-ID: References: <20180426165346.494-1-kieran.bingham+renesas@ideasonboard.com> <20180426165346.494-8-kieran.bingham+renesas@ideasonboard.com> <1954980.A0ABKULED7@avalon> Reply-To: kieran.bingham@ideasonboard.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by gabe.freedesktop.org (Postfix) with ESMTPS id 183826E8A4 for ; Fri, 27 Apr 2018 10:14:39 +0000 (UTC) In-Reply-To: <1954980.A0ABKULED7@avalon> Content-Language: en-GB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Laurent Pinchart Cc: linux-renesas-soc@vger.kernel.org, David Airlie , open list , "open list:DRM DRIVERS FOR RENESAS" List-Id: dri-devel@lists.freedesktop.org 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