From: Greg KH <gregkh@linuxfoundation.org>
To: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: intel-gfx@lists.freedesktop.org, sashal@kernel.org,
"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
"José Roberto de Souza" <jose.souza@intel.com>,
stable@vger.kernel.org
Subject: Re: [PATCH stable v5.2] drm/i915/vbt: Fix VBT parsing for the PSR section
Date: Wed, 24 Jul 2019 14:06:57 +0200 [thread overview]
Message-ID: <20190724120657.GG3244@kroah.com> (raw)
In-Reply-To: <20190722231325.16615-1-dhinakaran.pandiyan@intel.com>
On Mon, Jul 22, 2019 at 04:13:25PM -0700, Dhinakaran Pandiyan wrote:
> A single 32-bit PSR2 training pattern field follows the sixteen element
> array of PSR table entries in the VBT spec. But, we incorrectly define
> this PSR2 field for each of the PSR table entries. As a result, the PSR1
> training pattern duration for any panel_type != 0 will be parsed
> incorrectly. Secondly, PSR2 training pattern durations for VBTs with bdb
> version >= 226 will also be wrong.
>
> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Cc: José Roberto de Souza <jose.souza@intel.com>
> Cc: stable@vger.kernel.org
> Cc: stable@vger.kernel.org #v5.2
> Fixes: 88a0d9606aff ("drm/i915/vbt: Parse and use the new field with PSR2 TP2/3 wakeup time")
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111088
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204183
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
> Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Tested-by: François Guerraz <kubrick@fgv6.net>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Link: https://patchwork.freedesktop.org/patch/msgid/20190717223451.2595-1-dhinakaran.pandiyan@intel.com
> (cherry picked from commit b5ea9c9337007d6e700280c8a60b4e10d070fb53)
There is no such commit in Linus's kernel tree :(
next prev parent reply other threads:[~2019-07-24 12:07 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-17 22:34 [PATCH] drm/i915/vbt: Fix VBT parsing for the PSR section Dhinakaran Pandiyan
2019-07-18 19:14 ` [Intel-gfx] " Rodrigo Vivi
[not found] ` <20190719004526.B0CC521850@mail.kernel.org>
2019-07-22 23:13 ` [PATCH stable v5.2] " Dhinakaran Pandiyan
2019-07-24 12:06 ` Greg KH [this message]
2019-07-24 17:27 ` Souza, Jose
2019-07-24 17:40 ` [Intel-gfx] " Rodrigo Vivi
2019-07-30 15:19 ` Rodrigo Vivi
2019-07-30 15:27 ` Greg KH
2019-07-30 16:22 ` Rodrigo Vivi
2019-07-30 16:27 ` Greg KH
2019-07-30 16:56 ` Rodrigo Vivi
2019-07-30 17:08 ` Greg KH
2019-07-30 18:24 ` Pandiyan, Dhinakaran
2019-07-30 20:42 ` [Intel-gfx] [PATCH] " Rodrigo Vivi
2019-07-30 21:48 ` Sasha Levin
2019-07-31 17:14 ` Vivi, Rodrigo
2019-07-31 19:23 ` Sasha Levin
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