From: Linus Walleij <linus.walleij@linaro.org>
To: Maxime Ripard <mripard@kernel.org>
Cc: Neil Armstrong <narmstrong@baylibre.com>,
David Airlie <airlied@linux.ie>,
"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
Andrzej Hajda <a.hajda@samsung.com>,
Thierry Reding <thierry.reding@gmail.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Benjamin Gaignard <benjamin.gaignard@linaro.org>,
Sam Ravnborg <sam@ravnborg.org>,
linux-samsung-soc <linux-samsung-soc@vger.kernel.org>,
"open list:ARM/Rockchip SoC..."
<linux-rockchip@lists.infradead.org>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
NXP Linux Team <linux-imx@nxp.com>,
Jagan Teki <jagan@amarulasolutions.com>,
Jitao Shi <jitao.shi@mediatek.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Abhinav Kumar <abhinavk@codeaurora.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
Stefan Agner <stefan@agner.ch>,
linux-tegra@vger.kernel.org, Sean Paul <sean@poorly.run>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Purism Kernel Team <kernel@puri.sm>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
Boris Brezillon <boris.brezillon@collabora.com>,
Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH v1 07/26] drm/panel: remove get_timings
Date: Tue, 10 Dec 2019 22:33:48 +0100 [thread overview]
Message-ID: <CACRpkdZ7jg7JwNk12m9pGXOVBxHRta8nBWmpdqFvfQHB=8LptA@mail.gmail.com> (raw)
In-Reply-To: <20191204081650.4n4ehbub4n7pxdom@gilmour.lan>
On Wed, Dec 4, 2019 at 9:16 AM Maxime Ripard <mripard@kernel.org> wrote:
> On Tue, Dec 03, 2019 at 04:20:24PM +0100, Linus Walleij wrote:
> > On the DSI displays in video mode there is also this EOL area
> > which seems to be where the logic is normally just idling for a
> > while, that can be adjusted on some hardware as well, but
> > I don't quite understand it admittedly. Sometimes I wonder if
> > anyone really understands DSI... :/
>
> I'm not aware of any EOL area in MIPI-DSI that would make the hardware
> idle, don't you mean LP-11?
I think in the spec the bubble used for this is tagged "BLLP"
Blanking-Line-Low-Power or something.
IIUC it is possible for displays to either receive continuous NULL
packets or blanking packets or go to LP mode in this area.
And since that is not there for e.g. DPI displays I feel it adds
another layer of confusion to timings.
Yours,
Linus Walleij
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next prev parent reply other threads:[~2019-12-10 21:34 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-02 19:32 [PATCH v1 0/26] drm/panel infrastructure + backlight update Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 01/26] drm/drm_panel: no error when no callback Sam Ravnborg
2019-12-03 6:24 ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 02/26] drm/panel: add backlight support Sam Ravnborg
2019-12-03 6:32 ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 03/26] drm/panel: simple: use drm_panel " Sam Ravnborg
2019-12-03 6:39 ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 04/26] drm: get drm_bridge_panel connector via helper Sam Ravnborg
2019-12-03 6:44 ` Laurent Pinchart
2019-12-03 13:22 ` Linus Walleij
2019-12-02 19:32 ` [PATCH v1 05/26] drm/panel: add drm_connector argument to get_modes() Sam Ravnborg
2019-12-03 6:50 ` Laurent Pinchart
2019-12-03 13:25 ` Linus Walleij
2019-12-04 12:08 ` Guido Günther
2019-12-04 13:11 ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 07/26] drm/panel: remove get_timings Sam Ravnborg
2019-12-03 7:02 ` Laurent Pinchart
2019-12-03 7:46 ` Maxime Ripard
2019-12-03 8:18 ` Laurent Pinchart
2019-12-03 8:39 ` Sam Ravnborg
2019-12-04 8:05 ` Maxime Ripard
2019-12-03 15:20 ` Linus Walleij
2019-12-04 8:16 ` Maxime Ripard
2019-12-04 8:23 ` Laurent Pinchart
2019-12-10 21:33 ` Linus Walleij [this message]
2019-12-02 19:32 ` [PATCH v1 08/26] drm/panel: drop drm_device from drm_panel Sam Ravnborg
2019-12-03 7:15 ` Laurent Pinchart
2019-12-03 13:27 ` Linus Walleij
2019-12-02 19:32 ` [PATCH v1 09/26] drm/panel: feiyang-fy07024di26a30d: use drm_panel backlight support Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 10/26] drm/panel: ilitek-ili9881c: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 11/26] drm/panel: innolux-p079zca: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 12/26] drm/panel: kingdisplay-kd097d04: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 13/26] drm/panel: lvds: " Sam Ravnborg
2019-12-03 7:16 ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 14/26] drm/panel: olimex-lcd-olinuxino: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 15/26] drm/panel: osd-osd101t2587-53ts: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 16/26] drm/panel: panasonic-vvx10f034n00: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 17/26] drm/panel: raydium-rm68200: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 18/26] drm/panel: rocktech-jh057n00900: " Sam Ravnborg
2019-12-04 12:04 ` Guido Günther
2019-12-02 19:32 ` [PATCH v1 19/26] drm/panel: ronbo-rb070d30: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 20/26] drm/panel: seiko-43wvf1g: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 21/26] drm/panel: sharp-lq101r1sx01: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 22/26] drm/panel: sharp-ls043t1le01: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 23/26] drm/panel: sitronix-st7701: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 24/26] drm/panel: sitronix-st7789v: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 25/26] drm/panel: tpo-td028ttec1: " Sam Ravnborg
2019-12-03 7:16 ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 26/26] drm/panel: tpo-tpg110: " Sam Ravnborg
2019-12-03 13:20 ` Linus Walleij
2019-12-02 19:59 ` [PATCH v1 0/26] drm/panel infrastructure + backlight update Jeffrey Hugo
2019-12-02 20:48 ` Sam Ravnborg
2019-12-02 20:51 ` Jeffrey Hugo
2019-12-03 7:24 ` Laurent Pinchart
2019-12-03 8:33 ` Sam Ravnborg
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