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From: "Stefan Berger" <stefanb@linux.ibm.com>
To: devel@edk2.groups.io
Cc: marcandre.lureau@redhat.com, shivanshu3@gmail.com,
	Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Jiewen Yao <jiewen.yao@intel.com>,
	Jordan Justen <jordan.l.justen@intel.com>,
	Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [PATCH v3] OvmfPkg: Call PlatformInitializeConsole for GPU passthrough case
Date: Thu, 16 Dec 2021 21:44:29 -0500	[thread overview]
Message-ID: <4b2e350e-eda3-1f65-f7d3-a7707abba99b@linux.ibm.com> (raw)
In-Reply-To: <20211217024140.281271-1-stefanb@linux.ibm.com>

v2 had lost the cc: list for some reason.

I opened this PR: https://github.com/tianocore/edk2/pull/2319

   Stefan

On 12/16/21 21:41, Stefan Berger wrote:
> For GPU passthrough support we have to initialize the console after
> EfiBootManagerDispatchDeferredImages() has loaded ROMs, so call it after
> this. This was the calling order before the TCG physical presence support
> had to be moved and the console initialized earlier so user interaction
> could be supported before processing TCG physical presence opcodes.
>
> Fixes: b8675deaa819631db2667df63f89799fe65fc906
> Fixes: https://bugzilla.tianocore.org/show_bug.cgi?id=3771
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
> Tested-by: Shivanshu Goyal <shivanshu3@gmail.com>
> ---
>   OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c      | 7 +++++++
>   OvmfPkg/Library/PlatformBootManagerLibBhyve/BdsPlatform.c | 5 +++++
>   OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c  | 5 +++++
>   3 files changed, 17 insertions(+)
>
> diff --git a/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c b/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
> index 5feadc51d7..0918c35f1f 100644
> --- a/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
> +++ b/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
> @@ -448,6 +448,13 @@ PlatformBootManagerBeforeConsole (
>     //
>     EfiBootManagerDispatchDeferredImages ();
>   
> +  //
> +  // GPU passthrough only allows Console enablement after ROM image load
> +  //
> +  PlatformInitializeConsole (
> +    XenDetected () ? gXenPlatformConsole : gPlatformConsole
> +    );
> +
>     FrontPageTimeout = GetFrontPageTimeoutFromQemu ();
>     PcdStatus        = PcdSet16S (PcdPlatformBootTimeOut, FrontPageTimeout);
>     ASSERT_RETURN_ERROR (PcdStatus);
> diff --git a/OvmfPkg/Library/PlatformBootManagerLibBhyve/BdsPlatform.c b/OvmfPkg/Library/PlatformBootManagerLibBhyve/BdsPlatform.c
> index 119f24b330..bf2701965f 100644
> --- a/OvmfPkg/Library/PlatformBootManagerLibBhyve/BdsPlatform.c
> +++ b/OvmfPkg/Library/PlatformBootManagerLibBhyve/BdsPlatform.c
> @@ -434,6 +434,11 @@ PlatformBootManagerBeforeConsole (
>     //
>     EfiBootManagerDispatchDeferredImages ();
>   
> +  //
> +  // GPU passthrough only allows Console enablement after ROM image load
> +  //
> +  PlatformInitializeConsole (gPlatformConsole);
> +
>     PlatformRegisterOptionsAndKeys ();
>   
>     //
> diff --git a/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c b/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c
> index 9c6848bbff..a402589206 100644
> --- a/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c
> +++ b/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c
> @@ -392,6 +392,11 @@ PlatformBootManagerBeforeConsole (
>     //
>     EfiBootManagerDispatchDeferredImages ();
>   
> +  //
> +  // GPU passthrough only allows Console enablement after ROM image load
> +  //
> +  PlatformInitializeConsole (gPlatformConsole);
> +
>     Status = gRT->SetVariable (
>                     EFI_TIME_OUT_VARIABLE_NAME,
>                     &gEfiGlobalVariableGuid,

  reply	other threads:[~2021-12-17  2:44 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-17  2:41 [PATCH v3] OvmfPkg: Call PlatformInitializeConsole for GPU passthrough case Stefan Berger
2021-12-17  2:44 ` Stefan Berger [this message]
2021-12-17  2:45 ` [edk2-devel] " Yao, Jiewen
2021-12-17  5:51 ` Gerd Hoffmann
2021-12-17 17:37   ` [edk2-devel] " Ard Biesheuvel
2021-12-17 19:20     ` Shivanshu Goyal
2021-12-17 21:31       ` Ard Biesheuvel

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