[Intel-gfx] [PATCH] drm/i915: Add PLANE_CUS_CTL restriction in max_width

[Srinivas, Vidya]

> -----Original Message-----
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Sent: Thursday, December 2, 2021 4:26 PM
> To: Srinivas, Vidya <vidya.srinivas at intel.com>
> Cc: intel-gfx at lists.freedesktop.org; Yashashvi, Shantam
> <shantam.yashashvi at intel.com>
> Subject: Re: [PATCH] drm/i915: Add PLANE_CUS_CTL restriction in max_width
> 
> On Thu, Dec 02, 2021 at 03:25:34AM +0000, Srinivas, Vidya wrote:
> >
> >
> > > -----Original Message-----
> > > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > Sent: Wednesday, December 1, 2021 8:33 PM
> > > To: Srinivas, Vidya <vidya.srinivas at intel.com>
> > > Cc: intel-gfx at lists.freedesktop.org; Yashashvi, Shantam
> > > <shantam.yashashvi at intel.com>
> > > Subject: Re: [PATCH] drm/i915: Add PLANE_CUS_CTL restriction in
> > > max_width
> > >
> > > On Wed, Dec 01, 2021 at 09:17:27AM +0530, Vidya Srinivas wrote:
> > > > PLANE_CUS_CTL has a restriction of 4096 width even though
> > > > PLANE_SIZE and scaler size registers supports max 5120.
> > > > Take care of this restriction in max_width.
> > > >
> > > > Without this patch, when 5k content is sent on HDR plane with NV12
> > > > content, FIFO underrun is seen and screen blanks out.
> > > >
> > > > v2: Addressed review comments from Ville. Added separate functions
> > > > for max_width - for HDR and SDR
> > > >
> > > > v3: Addressed review comments from Ville. Changed names of HDR and
> > > SDR
> > > > max_width functions to icl_hdr_plane_max_width and
> > > > icl_sdr_plane_max_width
> > > >
> > > > v4: Fixed paranthesis alignment. No code change
> > > >
> > > > Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > > Signed-off-by: Vidya Srinivas <vidya.srinivas at intel.com>
> > > > Signed-off-by: Yashashvi Shantam <shantam.yashashvi at intel.com>
> > >
> > > Hmm. What's this extra sob doing here?
> >
> > Hello Ville, sincere apologies. When I run checkpatch.pl I see no warnings
> on my host.
> > However patchwork keeps reporting paranthesis alignment warning.
> > I tried to push it multiple times after running checkpatch.pl on my host.
> Really sorry about that.
> 
> I was asking about the extra "signed-off-by" (sob).

Hello Ville, I am really sorry about that. Should I keep single signed-off-by and push the patch
again? Kindly let me know. Thank you.

Regards
Vidya

> 
> --
> Ville Syrjälä
> Intel