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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Mark Brown <broonie@kernel.org>,
	linux-kernel@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Danilo Krummrich <dakr@kernel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	DRI mailing list <dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH v3 1/1] regmap: Synchronize cache for the page selector
Date: Thu, 30 Jan 2025 10:21:22 +0200	[thread overview]
Message-ID: <Z5s2gpIj-HOiHD3C@smile.fi.intel.com> (raw)
In-Reply-To: <c2c2f613-3b65-4efe-99c2-135f043b2d3b@samsung.com>

On Wed, Jan 29, 2025 at 06:50:57PM +0100, Marek Szyprowski wrote:
> On 29.01.2025 16:07, Andy Shevchenko wrote:
> >> [...]
> > Meanwhile, can you test this patch (on top of non-working case)?
> >
> > If I understood the case, the affected driver doesn't use case and we actually
> > write to the selector register twice which most likely messes up the things.
> > But this is only a theory (since we don't have the traces yet).
> 
> Bingo! This patch (on top of current linux-next) fixed the probe issue. 
> Feel free to add:
> 
> Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>

Thank you! I will test it on my HW as well to confirm that there no regressions
and will submit a formal fix.

> (although I'm not sure if this is a fix for the generic case or just 
> this driver)

This is for all cases where cache is not in use.

-- 
With Best Regards,
Andy Shevchenko



  parent reply	other threads:[~2025-01-30  8:21 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20250117135754eucas1p1a8558792f9475c2acc009e1ba20c7109@eucas1p1.samsung.com>
2025-01-16 12:42 ` [PATCH v3 1/1] regmap: Synchronize cache for the page selector Andy Shevchenko
2025-01-16 19:14   ` Mark Brown
2025-01-17 13:57   ` Marek Szyprowski
2025-01-17 14:09     ` Andy Shevchenko
2025-01-17 14:30       ` Andy Shevchenko
2025-01-17 15:50         ` Mark Brown
2025-01-17 16:05         ` Marek Szyprowski
2025-01-17 17:28           ` Andy Shevchenko
2025-01-21  7:32             ` Marek Szyprowski
2025-01-21  7:33             ` Marek Szyprowski
2025-01-21 13:29               ` Andy Shevchenko
2025-01-28 16:08                 ` Marek Szyprowski
2025-01-28 16:43                   ` Andy Shevchenko
2025-01-29 15:07                     ` Andy Shevchenko
2025-01-29 17:50                       ` Marek Szyprowski
2025-01-29 21:19                         ` Mark Brown
2025-01-30  8:21                         ` Andy Shevchenko [this message]
2025-02-01 17:18                       ` Dmitry Baryshkov
2025-02-03  9:19                         ` Andy Shevchenko
2025-02-03 12:45                           ` Mark Brown
2025-02-03 13:07                             ` Andy Shevchenko
2025-01-17 15:58       ` Marek Szyprowski

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