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Date: Fri, 06 Jan 2017 17:18:06 +0900 From: Andi Shyti <andi.shyti@...sung.com> To: Inki Dae <inki.dae@...sung.com> Cc: Hoegeun Kwon <hoegeun.kwon@...sung.com>, robh@...nel.org, thierry.reding@...il.com, airlied@...ux.ie, kgene@...nel.org, krzk@...nel.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, linux-samsung-soc@...r.kernel.org, a.hajda@...sung.com, cw00.choi@...sung.com, jh80.chung@...sung.com, Donghwa Lee <dh09.lee@...sung.com>, Hyungwon Hwang <human.hwang@...sung.com> Subject: Re: [PATCH v7 3/4] drm/panel: Add support for S6E3HA2 panel driver on TM2 board Hi Inki, Thanks for the reply, but... > >> +static const struct drm_display_mode default_mode = { > >> + .clock = 222372, > >> + .hdisplay = 1440, > >> + .hsync_start = 1440 + 1, > >> + .hsync_end = 1440 + 1 + 1, > >> + .htotal = 1440 + 1 + 1 + 1, > >> + .vdisplay = 2560, > >> + .vsync_start = 2560 + 1, > >> + .vsync_end = 2560 + 1 + 1, > >> + .vtotal = 2560 + 1 + 1 + 15, > >> + .vrefresh = 60, > >> + .flags = 0, > >> +}; > > > > how is this working with tm2e? Are these values valid for both > > the boards? > > We don't need to consider tm2e board with two reasones, > 1. there is no tm2e board support in mainline > 2. the panel on tm2 would be a little bit different from one on tm2e ... this display in the Tizen Kernel is supported by both: tm2 [1] and tm2e [2]. The only differences are: TM2: clock-frequency = <14874444>; hactive = <1440>; TM2E: clock-frequency = <16523724>; hactive = <1600>; I don't know much about the differences you mention in point 2, but it's a pity to drop support only because we don't want to put in the dts the 'hactive', and 'clock-frequency' properties. Andi [1] https://git.tizen.org/cgit/platform/kernel/linux-exynos/tree/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts?h=tizen#n1284 [2] https://git.tizen.org/cgit/platform/kernel/linux-exynos/tree/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts?h=tizen#n1270
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