From: Doug Anderson <dianders@chromium.org>
To: "Stéphane Marchesin" <marcheu@chromium.org>
Cc: "dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"open list:ARM/Rockchip SoC..."
<linux-rockchip@lists.infradead.org>,
Chris Zhong <zyw@rock-chips.com>
Subject: Re: [PATCH 01/41] drm/panel: simple: Change mode for Sharp lq123p1jx31
Date: Mon, 20 Mar 2017 13:05:53 -0700 [thread overview]
Message-ID: <CAD=FV=U_k1x8AsVrVFoyNoT43OzRYZE2X2WEt6++OyV0tV+0ww@mail.gmail.com> (raw)
In-Reply-To: <CADMs+9ZT3+XAtomjz3htV4mDft-n=X+CkwvGvo3v1N+Ku6_gaw@mail.gmail.com>
Hi,
On Mon, Mar 20, 2017 at 1:01 PM, Stéphane Marchesin
<marcheu@chromium.org> wrote:
>> 1. We have validated with the panel manufacturer that 266.667 MHz is
>> valid and within spec. The panel's datasheet itself says something
>> like "if you want to try other values you can, but they might not
>> work", so technically the only values "known" to work are those that
>> were in the original patch and the values here in Sean's patch.
>
>
> So why don't you add 2 modes, and let the drivers pick the clock they
> prefer?
Yeah, that's what I did originally in my RFC patch at
<http://crosreview.com/354165> but I personally didn't have a good way
for the driver to figure out how to pick the right clock. When the
patch actually landed I guess nobody else had a good way either and
thus only one clock mode was there.
-Doug
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next prev parent reply other threads:[~2017-03-20 20:05 UTC|newest]
Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-10 4:32 [PATCH 00/41] Chromebook Plus (aka kevin) kernel patches Sean Paul
2017-03-10 4:32 ` [PATCH 01/41] drm/panel: simple: Change mode for Sharp lq123p1jx31 Sean Paul
2017-03-20 13:59 ` Thierry Reding
2017-03-20 16:37 ` Doug Anderson
2017-03-20 20:01 ` Stéphane Marchesin
2017-03-20 20:05 ` Doug Anderson [this message]
2017-03-10 4:32 ` [PATCH 03/41] drm/rockchip: support prime import sg table Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-12-12 12:32 ` Heiko Stuebner
2017-12-12 12:32 ` Heiko Stuebner
2017-03-10 4:32 ` [PATCH 04/41] drm/rockchip: Respect page offset for PRIME mmap calls Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-12-12 16:58 ` Heiko Stuebner
2017-12-12 16:58 ` Heiko Stuebner
2017-03-10 4:32 ` [PATCH 05/41] drm/bridge: analogix_dp: set psr activate/deactivate when enable/disable bridge Sean Paul
2017-03-10 4:32 ` Sean Paul
[not found] ` <20170310043305.17216-1-seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2017-03-10 4:32 ` [PATCH 02/41] drm/rockchip: Get rid of some unnecessary code Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-12-12 12:25 ` Heiko Stuebner
2017-12-12 12:25 ` Heiko Stuebner
2017-03-10 4:32 ` [PATCH 06/41] drm/bridge: analogix_dp: Don't power bridge in analogix_dp_bind Sean Paul
2017-03-16 12:31 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 08/41] drm/bridge: analogix_dp: detect Sink PSR state after configuring the PSR Sean Paul
2017-03-16 13:28 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 12/41] drm/bridge: analogix_dp: add fast link train for eDP Sean Paul
2017-03-16 14:14 ` Andrzej Hajda
2017-03-21 20:37 ` Sean Paul
2017-03-22 8:07 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 15/41] drm/bridge: analogix_dp: Move enable video into config_video() Sean Paul
2017-03-16 14:26 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 16/41] drm/bridge: analogix_dp: Check AUX_EN status when doing AUX transfer Sean Paul
2017-03-16 14:28 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 17/41] drm/bridge: analogix_dp: Don't use fast link training when panel just powered up Sean Paul
2017-03-16 14:34 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 18/41] drm/bridge: analogix_dp: Retry bridge enable when it failed Sean Paul
2017-03-16 14:45 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 19/41] drm/bridge: analogix_dp: Wait for HPD signal before configuring link Sean Paul
2017-03-16 14:51 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 21/41] drm/bridge: analogix_dp: Ensure edp is disabled when shutting down the panel Sean Paul
2017-03-22 8:29 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 22/41] drm/bridge: analogix_dp: Extend hpd check time to 100ms Sean Paul
2017-03-22 8:32 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 23/41] drm/bridge: analogix_dp: Fix incorrect usage of enhanced mode Sean Paul
2017-03-22 8:46 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 24/41] drm/bridge: analogix_dp: Check dpcd write/read status Sean Paul
2017-03-22 9:00 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 25/41] drm/bridge: analogix_dp: Fix AUX_PD bit for Rockchip Sean Paul
2017-03-22 9:09 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 26/41] drm/bridge: analogix_dp: Reset aux channel if an error occurred Sean Paul
2017-03-22 9:14 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 35/41] drm/rockchip: analogix_dp: Fix invalid implementation of unbind Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-10 4:32 ` [PATCH 36/41] drm/bridge: analogix_dp: Add analogix_dp_shutdown Sean Paul
2017-03-10 4:32 ` [PATCH 37/41] drm/rockchip: analogix_dp: Wire the shutdown callback to disable PSR Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-10 4:32 ` [PATCH 38/41] drm/bridge: analogix_dp: Reorder plat_data->power_off to happen sooner Sean Paul
2017-03-22 10:34 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 41/41] drm/bridge: analogix_dp: Properly disable aux chan retries on rockchip Sean Paul
2017-03-22 10:57 ` Andrzej Hajda
2017-03-22 15:59 ` Doug Anderson
2017-03-28 15:40 ` Javier Martinez Canillas
2017-03-10 4:32 ` [PATCH 07/41] drm/rockchip: Don't use atomic constructs for psr Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-10 4:32 ` [PATCH 09/41] drm/rockchip: Remove analogix psr worker Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-10 4:32 ` [PATCH 10/41] drm/bridge: analogix_dp: Don't change psr while bridge is disabled Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-16 13:40 ` Andrzej Hajda
2017-03-16 13:40 ` Andrzej Hajda
2017-03-21 19:58 ` Sean Paul
2017-03-21 19:58 ` Sean Paul
2017-03-22 8:36 ` Andrzej Hajda
2017-03-22 8:36 ` Andrzej Hajda
2017-03-22 15:19 ` Sean Paul
2017-03-22 15:19 ` Sean Paul
2017-03-23 9:04 ` Andrzej Hajda
2017-03-23 9:04 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 11/41] drm/rockchip: add mutex vop lock Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-10 4:32 ` [PATCH 13/41] drm/rockchip: pre dither down when output bpc is 8bit Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-10 4:32 ` [PATCH 14/41] drm/rockchip: Only wait for panel ACK on PSR entry Sean Paul
2017-03-10 4:32 ` [PATCH 20/41] drm/bridge: analogix_dp: Set PD_INC_BG first when powering up edp phy Sean Paul
2017-03-16 14:54 ` Andrzej Hajda
2017-03-16 14:54 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 27/41] drm/rockchip: Restore psr->state when enable/disable psr failed Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-10 4:32 ` [PATCH 28/41] drm/bridge: analogix_dp: Don't use ANALOGIX_DP_PLL_CTL to control pll Sean Paul
2017-03-22 9:17 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 29/41] drm/bridge: analogix_dp: Fix timeout of video streamclk config Sean Paul
2017-03-22 9:24 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 30/41] drm/bridge: analogix_dp: Fix incorrect operations with register ANALOGIX_DP_FUNC_EN_1 Sean Paul
2017-03-22 9:29 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 31/41] drm/bridge: analogix_dp: Move fast link training detect to set_bridge Sean Paul
2017-03-22 10:25 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 32/41] drm/rockchip: Flush PSR before committing modeset disables/enables Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-10 4:32 ` [PATCH 33/41] drm/rockchip: Disable VOP windows when PSR is active Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-10 4:32 ` [PATCH 34/41] drm/bridge: analogix_dp: Allow master driver to cleanup in unbind Sean Paul
2017-03-10 7:09 ` Tomasz Figa
2017-03-10 14:24 ` Sean Paul
2017-03-10 4:32 ` [PATCH 39/41] drm/bridge: analogix_dp: Split the platform-specific poweron in two parts Sean Paul
2017-03-10 4:32 ` Sean Paul
2017-03-22 10:42 ` Andrzej Hajda
2017-03-22 10:42 ` Andrzej Hajda
2017-03-10 4:32 ` [PATCH 40/41] drm/bridge: analogix_dp: Properly log AUX CH errors Sean Paul
2017-03-22 10:47 ` Andrzej Hajda
2017-03-14 20:43 ` [PATCH 00/41] Chromebook Plus (aka kevin) kernel patches Sean Paul
2017-03-16 16:45 ` Enric Balletbo Serra
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