From: Stephen Boyd <sboyd@codeaurora.org>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: Michael Turquette <mturquette@baylibre.com>,
Shawn Guo <shawnguo@kernel.org>,
Fabio Estevam <fabio.estevam@nxp.com>,
linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org,
kernel@pengutronix.de, patchwork-lst@pengutronix.de
Subject: Re: [PATCH 2/2] clk: imx6: initialize GPU clocks
Date: Tue, 20 Sep 2016 16:58:42 -0700 [thread overview]
Message-ID: <20160920235842.GG8319@codeaurora.org> (raw)
In-Reply-To: <1474017371-28966-2-git-send-email-l.stach@pengutronix.de>
On 09/16, Lucas Stach wrote:
> Initialize the GPU clock muxes to sane inputs. Until now they have
> not been changed from their default values, which means that both
> GPU3D shader and GPU2D core were fed by clock inputs whose rates
> exceed the maximium allowed frequency of the cores by as much as
> 200MHz.
>
> This fixes a severe GPU stability issue on i.MX6DL.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
Applied to clk-next
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
WARNING: multiple messages have this Message-ID (diff)
From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] clk: imx6: initialize GPU clocks
Date: Tue, 20 Sep 2016 16:58:42 -0700 [thread overview]
Message-ID: <20160920235842.GG8319@codeaurora.org> (raw)
In-Reply-To: <1474017371-28966-2-git-send-email-l.stach@pengutronix.de>
On 09/16, Lucas Stach wrote:
> Initialize the GPU clock muxes to sane inputs. Until now they have
> not been changed from their default values, which means that both
> GPU3D shader and GPU2D core were fed by clock inputs whose rates
> exceed the maximium allowed frequency of the cores by as much as
> 200MHz.
>
> This fixes a severe GPU stability issue on i.MX6DL.
>
> Cc: stable at vger.kernel.org
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
Applied to clk-next
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2016-09-20 23:58 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-16 9:16 [PATCH 1/2] clk: imx6: fix i.MX6DL clock tree to reflect reality Lucas Stach
2016-09-16 9:16 ` Lucas Stach
2016-09-16 9:16 ` [PATCH 2/2] clk: imx6: initialize GPU clocks Lucas Stach
2016-09-16 9:16 ` Lucas Stach
2016-09-18 0:17 ` Shawn Guo
2016-09-18 0:17 ` Shawn Guo
2016-09-19 9:07 ` Lucas Stach
2016-09-19 9:07 ` Lucas Stach
2016-09-20 13:00 ` Shawn Guo
2016-09-20 13:00 ` Shawn Guo
2016-09-20 23:58 ` Stephen Boyd [this message]
2016-09-20 23:58 ` Stephen Boyd
2016-09-18 0:14 ` [PATCH 1/2] clk: imx6: fix i.MX6DL clock tree to reflect reality Shawn Guo
2016-09-18 0:14 ` Shawn Guo
2016-09-20 23:58 ` Stephen Boyd
2016-09-20 23:58 ` Stephen Boyd
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