[Intel-gfx] [PATCH stable v5.2] drm/i915/vbt: Fix VBT parsing for the PSR section

[Greg KH]

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 at intel.com>
> Cc: José Roberto de Souza <jose.souza at intel.com>
> Cc: stable at vger.kernel.org
> Cc: stable at 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 at intel.com>
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Reviewed-by: José Roberto de Souza <jose.souza at intel.com>
> Acked-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Tested-by: François Guerraz <kubrick at fgv6.net>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at 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 :(