[Intel-gfx] [PATCH v12 00/14] In order to readout DP SDPs, refactors the handling of DP SDPs

[Saarinen, Jani]

Hi,

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Jani Nikula
> Sent: perjantai 15. toukokuuta 2020 16.13
> To: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: linux-fbdev at vger.kernel.org; daniel.vetter at ffwll.ch; intel-
> gfx at lists.freedesktop.org; dri-devel at lists.freedesktop.org;
> laurent.pinchart at ideasonboard.com
> Subject: Re: [Intel-gfx] [PATCH v12 00/14] In order to readout DP SDPs, refactors the
> handling of DP SDPs
> 
> On Fri, 15 May 2020, Ville Syrjälä <ville.syrjala at linux.intel.com> wrote:
> > On Thu, May 14, 2020 at 02:19:23PM +0300, Jani Nikula wrote:
> >> On Thu, 14 May 2020, Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
> wrote:
> >> > In order to readout DP SDPs (Secondary Data Packet: DP HDR Metadata
> >> > Infoframe SDP, DP VSC SDP), it refactors handling DP SDPs codes.
> >> > It adds new compute routines for DP HDR Metadata Infoframe SDP and
> >> > DP VSC SDP.
> >> > And new writing routines of DP SDPs (Secondary Data Packet) that
> >> > uses computed configs.
> >> > New reading routines of DP SDPs are added for readout.
> >> > It adds a logging function for DP VSC SDP.
> >> > When receiving video it is very useful to be able to log DP VSC SDP.
> >> > This greatly simplifies debugging.
> >> > In order to use a common VSC SDP Colorimetry calculating code on
> >> > PSR, it uses a new psr vsc sdp compute routine.
> >>
> >> Pushed the series to drm-intel-next-queued with Daniel's irc ack for
> >> merging the two non-i915 patches that route too.
> >
> > fi-hsw-4770 now oopses at boot:
> 
> /o\
> 
> What did I miss? What part about the CI report did I overlook?
Damn, indeed:
https://patchwork.freedesktop.org/series/72853/
Ci results is success but it has:
Known issues
------------

  Here are the changes found in Patchwork_17654 that come from known issues:

### CI changes ###

#### Issues hit ####

  * boot:
    - fi-hsw-4770:        [PASS][1] -> [FAIL][2] ([CI#80])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8481/fi-hsw-4770/boot.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17654/fi-hsw-4770/boot.html

> 
> BR,
> Jani.
> 
> 
> >
> > <1>[    3.736903] BUG: kernel NULL pointer dereference, address:
> 0000000000000000
> > <1>[    3.736916] #PF: supervisor read access in kernel mode
> > <1>[    3.736916] #PF: error_code(0x0000) - not-present page
> > <6>[    3.736917] PGD 0 P4D 0
> > <4>[    3.736919] Oops: 0000 [#1] PREEMPT SMP PTI
> > <4>[    3.736921] CPU: 0 PID: 363 Comm: systemd-udevd Not tainted 5.7.0-rc5-CI-
> CI_DRM_8485+ #1
> > <4>[    3.736922] Hardware name: LENOVO 10AGS00601/SHARKBAY, BIOS
> FBKT34AUS 04/24/2013
> > <4>[    3.736986] RIP: 0010:intel_psr_enabled+0x8/0x70 [i915]
> > <4>[    3.736988] Code: 18 48 c7 c6 40 09 79 a0 e8 e3 e2 04 e1 0f b6 44 24 03 e9 f4
> fd ff ff 90 66 2e 0f 1f 84 00 00 00 00 00 41 54 55 53 48 83 ec 08 <48> 8b 9f d8 fe ff ff
> f6 83 5e 0d 00 00 20 74 09 80 bb 6c b6 00 00
> > <4>[    3.737036] RSP: 0018:ffffc9000047f8a0 EFLAGS: 00010286
> > <4>[    3.737042] RAX: 0000000000000002 RBX: ffff8883ffd04000 RCX:
> 0000000000000001
> > <4>[    3.737048] RDX: 0000000000000007 RSI: ffff8883ffd04000 RDI:
> 0000000000000128
> > <4>[    3.737055] RBP: ffff888406afe200 R08: 000000000000000f R09:
> 0000000000000001
> > <4>[    3.737061] R10: 0000000000000000 R11: 0000000000000000 R12:
> 0000000000000000
> > <4>[    3.737068] R13: ffff8883f75d0000 R14: ffff888406afe200 R15:
> ffff8883f75d0870
> > <4>[    3.737075] FS:  00007f71618f9680(0000) GS:ffff88840ec00000(0000)
> knlGS:0000000000000000
> > <4>[    3.737082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > <4>[    3.737088] CR2: 0000000000000000 CR3: 0000000402510002 CR4:
> 00000000001606f0
> > <4>[    3.737094] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> > <4>[    3.737101] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> > <4>[    3.737107] Call Trace:
> > <4>[    3.737175]  intel_read_dp_sdp+0x1a4/0x380 [i915]
> > <4>[    3.737246]  hsw_crt_get_config+0x12/0x40 [i915]
> > <4>[    3.737317]  intel_modeset_setup_hw_state+0x3b3/0x16a0 [i915]
> > ...
> 
> --
> Jani Nikula, Intel Open Source Graphics Center
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