Hi Sean,
A couple comments related to the PCD type below.
Mike
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Sean Rhodes
> Sent: Thursday, December 15, 2022 1:12 PM
> To: devel@edk2.groups.io
> Cc: Rhodes, Sean <sean@starlabs.systems>; Gao, Zhichao
> <zhichao....@intel.com>; Ni, Ray <ray...@intel.com>; Wang, Jian J
> <jian.j.w...@intel.com>; Gao, Liming <gaolim...@byosoft.com.cn>
> Subject: [edk2-devel] [PATCH] MdeModulePkg/Logo: Add a PCD to control the
> position of the Logo
>
> When set to true, the Logo is positioned according to the BGRT
> specification, 38.2% from the top of the screen. When set to false,
> no behaviour is changed and the logo is positioned centrally.
>
> Cc: Zhichao Gao <zhichao....@intel.com>
> Cc: Ray Ni <ray...@intel.com>
> Cc: Jian J Wang <jian.j.w...@intel.com>
> Cc: Liming Gao <gaolim...@byosoft.com.cn>
> Signed-off-by: Sean Rhodes <sean@starlabs.systems>
> ---
> MdeModulePkg/Logo/Logo.c | 28 +++++++++++++++++++++++++++-
> MdeModulePkg/Logo/LogoDxe.inf | 4 ++++
> MdeModulePkg/MdeModulePkg.dec | 6 ++++++
> MdeModulePkg/MdeModulePkg.uni | 6 ++++++
> 4 files changed, 43 insertions(+), 1 deletion(-)
>
> diff --git a/MdeModulePkg/Logo/Logo.c b/MdeModulePkg/Logo/Logo.c
> index 8ab874d2da..48862d3207 100644
> --- a/MdeModulePkg/Logo/Logo.c
> +++ b/MdeModulePkg/Logo/Logo.c
> @@ -13,6 +13,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> #include <Protocol/HiiPackageList.h>
>
> #include <Library/UefiBootServicesTableLib.h>
>
> #include <Library/DebugLib.h>
>
> +#include <Library/PcdLib.h>
>
>
>
> typedef struct {
>
> EFI_IMAGE_ID ImageId;
>
> @@ -51,12 +52,14 @@ GetImage (
> IN EDKII_PLATFORM_LOGO_PROTOCOL *This,
>
> IN OUT UINT32 *Instance,
>
> OUT EFI_IMAGE_INPUT *Image,
>
> + EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,
>
> OUT EDKII_PLATFORM_LOGO_DISPLAY_ATTRIBUTE *Attribute,
>
> OUT INTN *OffsetX,
>
> OUT INTN *OffsetY
>
> )
>
> {
>
> - UINT32 Current;
>
> + UINT32 Current;
>
> + EFI_STATUS Status;
>
>
>
> if ((Instance == NULL) || (Image == NULL) ||
>
> (Attribute == NULL) || (OffsetX == NULL) || (OffsetY == NULL))
>
> @@ -69,6 +72,29 @@ GetImage (
> return EFI_NOT_FOUND;
>
> }
>
>
>
> + if (FixedPcdGetBool (PcdFollowMicrosoftRecommended)) {
Should be PcdGetBool(). The only time FixedPcdGetxxx() is required is
if the PCD value is being used to initialize a struct where the value
is needed at build time. This allows the PCD type to be flexible and
can be set in platform scope in the DSC file.
>
> + //
>
> + // Get current video resolution and text mode
>
> + //
>
> + Status = gBS->HandleProtocol (
>
> + gST->ConsoleOutHandle,
>
> + &gEfiGraphicsOutputProtocolGuid,
>
> + (VOID **)&GraphicsOutput
>
> + );
>
> + if (!EFI_ERROR (Status)) {
>
> + //
>
> + // Center of LOGO is in the vertical position 38.2% when
> PcdBootLogoOnlyEnable is TRUE
>
> + // Y = (VerticalResolution - LogoHeight) / 2
>
> + // Y' = VerticalResolution * 0.382 - LogoHeight * 0.5
>
> + // OffsetY + Y = Y'
>
> + // OffsetY = Y' - Y = -0.118 * VerticalResolution
>
> + //
>
> + *Attribute = EdkiiPlatformLogoDisplayAttributeCenter;
>
> + *OffsetX = 0;
>
> + *OffsetY = -118 *
> (INTN)GraphicsOutput->Mode->Info->VerticalResolution / 1000;
>
> + }
>
> + }
>
> +
>
> (*Instance)++;
>
> *Attribute = mLogos[Current].Attribute;
>
> *OffsetX = mLogos[Current].OffsetX;
>
> diff --git a/MdeModulePkg/Logo/LogoDxe.inf b/MdeModulePkg/Logo/LogoDxe.inf
> index 41215d25d8..ce29950089 100644
> --- a/MdeModulePkg/Logo/LogoDxe.inf
> +++ b/MdeModulePkg/Logo/LogoDxe.inf
> @@ -41,6 +41,7 @@
> UefiBootServicesTableLib
>
> UefiDriverEntryPoint
>
> DebugLib
>
> + PcdLib
>
>
>
> [Protocols]
>
> gEfiHiiDatabaseProtocolGuid ## CONSUMES
>
> @@ -48,6 +49,9 @@
> gEfiHiiPackageListProtocolGuid ## PRODUCES CONSUMES
>
> gEdkiiPlatformLogoProtocolGuid ## PRODUCES
>
>
>
> +[Pcd]
>
> + gEfiMdeModulePkgTokenSpaceGuid.PcdFollowMicrosoftRecommended ## CONSUMES
>
> +
>
> [Depex]
>
> gEfiHiiDatabaseProtocolGuid AND
>
> gEfiHiiImageExProtocolGuid
>
> diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
> index be5e829ca9..c8bb51df3b 100644
> --- a/MdeModulePkg/MdeModulePkg.dec
> +++ b/MdeModulePkg/MdeModulePkg.dec
> @@ -2102,6 +2102,12 @@
> # @Prompt The shared bit mask when Intel Tdx is enabled.
>
> gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0|UINT64|0x10000025
>
>
>
> + ## This PCD sets the position of the Boot Logo.
>
> + # TRUE - The Logo is positioned following the recommendations from
> Microsoft.
>
> + # FALSE - The logo is positioned in the center of the screen.
>
> + # @ Prompt This position of the boot logo
>
> +
> gEfiMdeModulePkgTokenSpaceGuid.PcdFollowMicrosoftRecommended|FALSE|BOOLEAN|0x10000026
Which PCD section is this in? This PCD should support all PCD types so
it can allow Fixed or Patchable or Dynmaic PCD types.
>
> +
>
> [PcdsPatchableInModule]
>
> ## Specify memory size with page number for PEI code when
>
> # Loading Module at Fixed Address feature is enabled.
>
> diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
> index 33ce9f6198..09c1ac1cc1 100644
> --- a/MdeModulePkg/MdeModulePkg.uni
> +++ b/MdeModulePkg/MdeModulePkg.uni
> @@ -1338,3 +1338,9 @@
> #string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdPcieResizableBarSupport_HELP
> #language en-US "Indicates if the PCIe
> Resizable BAR Capability Supported.<BR><BR>\n"
>
>
> "TRUE - PCIe Resizable BAR
> Capability is supported.<BR>\n"
>
>
> "FALSE - PCIe Resizable BAR
> Capability is not supported.<BR>"
>
> +
>
> +#string
> STR_gEfiMdeModulePkgTokenSpaceGuid_PcdFollowMicrosoftRecommended_PROMPT
> #language en-US "The position of the Boot
> Logo"
>
> +
>
> +#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdFollowMicrosoftRecommend_HELP
> #language en-US "Sets the position of the
> Logo. When set to true, the Logo is positioned following the recommendations"
>
> +
> " from Microsoft, 38.2% from
> the top of the screen."
>
> +
>
> --
> 2.37.2
>
>
>
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