From: "Sean Rhodes" <sean@starlabs.systems>
To: "Wu, Hao A" <hao.a.wu@intel.com>
Cc: "devel@edk2.groups.io" <devel@edk2.groups.io>,
"Ni, Ray" <ray.ni@intel.com>, "Dong, Guo" <guo.dong@intel.com>,
Matt DeVillier <matt.devillier@gmail.com>
Subject: Re: [edk2-devel] [PATCH] Ps2KbdCtrller: Make wait for SUCCESS after BAT non-fatal
Date: Wed, 16 Mar 2022 22:28:14 +0000 [thread overview]
Message-ID: <CABtds-2PpAqEd3UkjwX-s2oA_e2dPRnqpgdbE3+Vh+W6xykqeQ@mail.gmail.com> (raw)
In-Reply-To: <DM6PR11MB4025D48E7101CDBB28107C52CA379@DM6PR11MB4025.namprd11.prod.outlook.com>
[-- Attachment #1: Type: text/plain, Size: 3548 bytes --]
Hi Ray
Would you be able to review please? :)
Thanks
Sean
On Fri, 18 Feb 2022 at 02:16, Wu, Hao A <hao.a.wu@intel.com> wrote:
> Acked-by: Hao A Wu <hao.a.wu@intel.com>
> I recommend to get Ray's input for this patch before merging.
>
> Best Regards,
> Hao Wu
>
> > -----Original Message-----
> > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Sean
> > Rhodes
> > Sent: Friday, February 11, 2022 4:05 PM
> > To: devel@edk2.groups.io
> > Cc: Dong, Guo <guo.dong@intel.com>; Matt DeVillier
> > <matt.devillier@gmail.com>; Wu, Hao A <hao.a.wu@intel.com>; Ni, Ray
> > <ray.ni@intel.com>; Rhodes, Sean <sean@starlabs.systems>
> > Subject: [edk2-devel] [PATCH] Ps2KbdCtrller: Make wait for SUCCESS after
> > BAT non-fatal
> >
> > From: Matt DeVillier <matt.devillier@gmail.com>
> >
> > Recent model Chromebooks only return ACK, but not
> > BAT_SUCCESS, which causes hanging and failed ps2k init.
> > To mitigate this, make the absence of BAT_SUCCESS reply
> > non-fatal, and reduce the no-reply timeout from 4s to 1s.
> >
> > Tested on google/dracia and purism/librem_14
> >
> > Cc: Hao A Wu <hao.a.wu@intel.com>
> > Cc: Ray Ni <ray.ni@intel.com>
> > Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
> > Signed-off-by: Sean Rhodes <sean@starlabs.systems>
> > ---
> > MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c | 6 +-----
> > MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h | 2 +-
> > 2 files changed, 2 insertions(+), 6 deletions(-)
> >
> > diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
> > b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
> > index 77dc226222..6c71355edd 100644
> > --- a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
> > +++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
> > @@ -1733,11 +1733,7 @@ InitKeyboard (
> > //
> >
> > mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;
> >
> >
> >
> > - Status = KeyboardWaitForValue (ConsoleIn,
> > KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);
> >
> > - if (EFI_ERROR (Status)) {
> >
> > - KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");
> >
> > - goto Done;
> >
> > - }
> >
> > + KeyboardWaitForValue (ConsoleIn,
> > KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);
> >
> >
> >
> > mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;
> >
> >
> >
> > diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
> > b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
> > index ca1dd9b2c2..38df3e092d 100644
> > --- a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
> > +++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
> > @@ -157,7 +157,7 @@ InstallPs2KeyboardDriver (
> > #define KEYBOARD_MAX_TRY 256 // 256
> >
> > #define KEYBOARD_TIMEOUT 65536 // 0.07s
> >
> > #define KEYBOARD_WAITFORVALUE_TIMEOUT 1000000 // 1s
> >
> > -#define KEYBOARD_BAT_TIMEOUT 4000000 // 4s
> >
> > +#define KEYBOARD_BAT_TIMEOUT 1000000 // 1s
> >
> > #define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s
> >
> > #define SCANCODE_EXTENDED0 0xE0
> >
> > #define SCANCODE_EXTENDED1 0xE1
> >
> > --
> > 2.32.0
> >
> >
> >
> > -=-=-=-=-=-=
> > Groups.io Links: You receive all messages sent to this group.
> > View/Reply Online (#86611): https://edk2.groups.io/g/devel/message/86611
> > Mute This Topic: https://groups.io/mt/89066601/1768737
> > Group Owner: devel+owner@edk2.groups.io
> > Unsubscribe: https://edk2.groups.io/g/devel/unsub [hao.a.wu@intel.com]
> > -=-=-=-=-=-=
> >
>
>
[-- Attachment #2: Type: text/html, Size: 6402 bytes --]
next prev parent reply other threads:[~2022-03-16 22:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-11 8:05 [PATCH] Ps2KbdCtrller: Make wait for SUCCESS after BAT non-fatal Sean Rhodes
2022-02-18 2:16 ` [edk2-devel] " Wu, Hao A
2022-03-16 22:28 ` Sean Rhodes [this message]
2022-05-17 12:10 ` Sheng Lean Tan
2022-10-10 7:36 ` Sheng Lean Tan
2022-10-10 8:29 ` Ni, Ray
2022-10-11 8:50 ` Sheng Lean Tan
2022-10-25 2:48 ` Sheng Lean Tan
2022-10-25 6:04 ` Ni, Ray
2022-10-25 7:25 ` Sean Rhodes
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-list from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CABtds-2PpAqEd3UkjwX-s2oA_e2dPRnqpgdbE3+Vh+W6xykqeQ@mail.gmail.com \
--to=devel@edk2.groups.io \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox