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mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1773659687; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type:Message-Id:Reply-To; bh=XlhrKy1qO5Y7JTYOOoPiFnrf+Gaw2TCJw74PIWbx0L8=; b=FPZG0d9UCoj7VXzxtKmvxxFQxaF9k8mtZY+xQj9wmcNo5ZR3YeOZ0v/MSQDEG4e/ uo+DFdjh4U8fl2V0BoI81dK5Xu0NTrMpgb8RMITuxhj8KJz8j88FHgNWCMwF0qOxFfQ 9yuJEN5GQKJ2HcVlyUA0Yk+HsIxrGRCSHTTnxhhU= Received: by mx.zohomail.com with SMTPS id 177365968484917.368603781984916; Mon, 16 Mar 2026 04:14:44 -0700 (PDT) From: Nicolas Frattaroli To: hjc@rock-chips.com, heiko@sntech.de, andy.yan@rock-chips.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Damon Ding Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, alchark@gmail.com, cristian.ciocaltea@collabora.com, sebastian.reichel@collabora.com, kever.yang@rock-chips.com, dmitry.baryshkov@oss.qualcomm.com, luca.ceresoli@bootlin.com, dianders@chromium.org, m.szyprowski@samsung.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Damon Ding Subject: Re: [PATCH v1 3/4] drm/bridge: analogix_dp: Add support for RK3576 Date: Mon, 16 Mar 2026 12:14:37 +0100 Message-ID: <2032185.PYKUYFuaPT@workhorse> In-Reply-To: <20260310105307.309765-4-damon.ding@rock-chips.com> References: <20260310105307.309765-1-damon.ding@rock-chips.com> <20260310105307.309765-4-damon.ding@rock-chips.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260316_041531_507750_F37DFB25 X-CRM114-Status: GOOD ( 16.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tuesday, 10 March 2026 11:53:06 Central European Standard Time Damon Ding wrote: > Expand enum analogix_dp_devtype with RK3576_EDP, and add max_link_rate > and max_lane_count configs for it. > > Signed-off-by: Damon Ding > --- > drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 1 + > include/drm/bridge/analogix_dp.h | 3 ++- > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c > index fe7158d9edde..c4e49e8186ab 100644 > --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c > +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c > @@ -1248,6 +1248,7 @@ static int analogix_dp_dt_parse_pdata(struct analogix_dp_device *dp) > video_info->max_link_rate = 0x0A; > video_info->max_lane_count = 0x04; > break; > + case RK3576_EDP: > case RK3588_EDP: > video_info->max_link_rate = 0x14; > video_info->max_lane_count = 0x04; > diff --git a/include/drm/bridge/analogix_dp.h b/include/drm/bridge/analogix_dp.h > index 854af692229b..d1a6e6d44a2b 100644 > --- a/include/drm/bridge/analogix_dp.h > +++ b/include/drm/bridge/analogix_dp.h > @@ -16,12 +16,13 @@ enum analogix_dp_devtype { > EXYNOS_DP, > RK3288_DP, > RK3399_EDP, > + RK3576_EDP, > RK3588_EDP, > }; > > static inline bool is_rockchip(enum analogix_dp_devtype type) > { > - return type == RK3288_DP || type == RK3399_EDP || type == RK3588_EDP; > + return type == RK3288_DP || type == RK3399_EDP || type == RK3576_EDP || type == RK3588_EDP; I think we can make this easier to read with a switch statement. In a separate patch, we may also want to rename `is_rockchip` to `analogix_dp_is_rockchip`, as e.g. rockchip_drm_vop.c and exynos_dp.c both include his header file as well. Switch statement would make the function look something like: static inline bool is_rockchip(enum analogix_dp_devtype type) { switch (type) { case RK3288_DP: case RK3399_EDP: case RK3576_EDP: case RK3588_EDP: return true; default: return false; } } Kind regards, Nicolas Frattaroli > } > > struct analogix_dp_plat_data { >