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

[Rodrigo Vivi]

On Wed, Jul 24, 2019 at 05:27:42PM +0000, Souza, Jose wrote:
> On Wed, 2019-07-24 at 14:06 +0200, Greg KH wrote:
> > 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 :(

not yet... It is queued for 5.3 on drm-intel-next-queued.

This line is automatically added by "dim" tool when
cherry-picking queued stuff for our drm-intel fixes branches.

> > 
> 
> It is still on drm-intel/drm-intel-next-queued -
> ssh://git.freedesktop.org/git/drm-intel
> 
> Rodrigo do you know when is the next pull-request to Linus?

I will start doing the pull requests to Dave and Daniel soon,
but this doesn't reach Linus tree before next merge window.

Eventually it will be there.

If this is a blocker fell free to remove the line and merge the
patch please, because this fix very critical issue that impact users.
So we can continue the discussion in parallel on how to handle
commit links like this in a better way.

Thanks,
Rodrigo.

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