From: viresh.kumar@linaro.org (Viresh Kumar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V7 00/13] drivers: Boot Constraint core
Date: Wed, 11 Apr 2018 10:09:47 +0530 [thread overview]
Message-ID: <20180411043947.GK7671@vireshk-i7> (raw)
In-Reply-To: <1523367652.4981.9.camel@pengutronix.de>
On 10-04-18, 15:40, Lucas Stach wrote:
> Can you please describe how this bootconstraints core integration is
> simpler than a "run things at max performance until late kernel init",
> which could be triggered by a simple initcall similar to what is done
> for clocks and regulators?
>
> To me the bootcontraints stuff looks like a fairly complex solution and
> your use-case doesn't even sound like you strictly want to keep a
> bootloader configuration, but rather run things at max performance
> until you are reasonably sure that you got all the necessary bandwidth
> requests.
What about this case where drivers of some of the devices used during
boot are built as modules, like display, HDMI, etc., and would be
available only after userspace is up. We need to take care of their
bandwidth requirements as well, until the time their driver comes up.
--
viresh
prev parent reply other threads:[~2018-04-11 4:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-23 10:23 [PATCH V7 00/13] drivers: Boot Constraint core Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 01/13] of: platform: Add of_find_any_device_by_node() Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 02/13] of: platform: Make of_platform_bus_create() global Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 03/13] drivers: Add boot constraints core Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 04/13] boot_constraint: Add support for supply constraints Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 05/13] boot_constraint: Add support for clk constraints Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 06/13] boot_constraint: Add support for PM constraints Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 07/13] boot_constraint: Add debugfs support Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 08/13] boot_constraint: Manage deferrable constraints Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 09/13] boot_constraint: Add support for Hisilicon platforms Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 10/13] boot_constraint: Add support for IMX platform Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 11/13] boot_constraint: Add Qualcomm display controller constraints Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 12/13] boot_constraint: Update MAINTAINERS Viresh Kumar
2018-02-23 10:23 ` [PATCH V7 13/13] boot_constraint: Add documentation Viresh Kumar
2018-03-16 5:34 ` [PATCH V7 00/13] drivers: Boot Constraint core Viresh Kumar
2018-03-22 1:26 ` Viresh Kumar
2018-03-23 15:04 ` Greg Kroah-Hartman
2018-03-30 15:24 ` Georgi Djakov
2018-04-10 13:40 ` Lucas Stach
2018-04-11 4:39 ` Viresh Kumar [this message]
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