From: Steven Price <steven.price@arm.com>
To: Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
Rob Herring <robh@kernel.org>,
Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>,
"Marty E. Plummer" <hanetzer@startmail.com>
Subject: Re: [PATCH] drm/panfrost: Ensure GPU quirks are always initialised
Date: Thu, 10 Sep 2020 14:42:34 +0100 [thread overview]
Message-ID: <dd65be77-7410-3365-24b0-91d88c24568e@arm.com> (raw)
In-Reply-To: <20200909122957.51667-1-steven.price@arm.com>
On 09/09/2020 13:29, Steven Price wrote:
> The GPU 'CONFIG' registers used to work around hardware issues are
> cleared on reset so need to be programmed every time the GPU is reset.
> However panfrost_device_reset() failed to do this.
>
> To avoid this in future instead move the call to
> panfrost_gpu_init_quirks() to panfrost_gpu_power_on() so that the
> regsiters are always programmed just before the cores are powered.
>
> Fixes: f3ba91228e8e ("drm/panfrost: Add initial panfrost driver")
> Signed-off-by: Steven Price <steven.price@arm.com>
Applied to drm-misc-next
Steve
prev parent reply other threads:[~2020-09-10 21:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-09 12:29 Steven Price
2020-09-09 14:13 ` Alyssa Rosenzweig
2020-09-10 13:42 ` Steven Price [this message]
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