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/* $NoKeywords:$ */
/**
* @file
*
* Interface to initialize Graphics Controller at POST
*
*
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: GNB
* @e \$Revision: 40151 $ @e \$Date: 2010-10-20 06:38:17 +0800 (Wed, 20 Oct 2010) $
*
*/
/*
*****************************************************************************
*
* Copyright (c) 2011, Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Advanced Micro Devices, Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***************************************************************************
*
*/
/*----------------------------------------------------------------------------------------
* M O D U L E S U S E D
*----------------------------------------------------------------------------------------
*/
#include "AGESA.h"
#include "amdlib.h"
#include "Ids.h"
#include "Gnb.h"
#include "GnbPcie.h"
#include "GnbGfx.h"
#include GNB_MODULE_DEFINITIONS (GnbGfxInitLibV1)
#include "GfxStrapsInit.h"
#include "GfxLib.h"
#include "GfxConfigData.h"
#include "GfxInitAtPost.h"
#include "Filecode.h"
#define FILECODE PROC_GNB_GFX_GFXINITATPOST_FILECODE
/*----------------------------------------------------------------------------------------
* D E F I N I T I O N S A N D M A C R O S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* T Y P E D E F S A N D S T R U C T U R E S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* P R O T O T Y P E S O F L O C A L F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------*/
/**
* Init GFX at Post.
*
*
*
* @param[in] StdHeader Standard configuration header
* @retval AGESA_STATUS
*/
AGESA_STATUS
GfxInitAtPost (
IN AMD_CONFIG_PARAMS *StdHeader
)
{
AMD_POST_PARAMS *PostParamsPtr;
GFX_CARD_CARD_INFO GfxDiscreteCardInfo;
AGESA_STATUS Status;
GFX_PLATFORM_CONFIG *Gfx;
PostParamsPtr = (AMD_POST_PARAMS *)StdHeader;
IDS_HDT_CONSOLE (GNB_TRACE, "GfxInitAtPost Enter\n");
Status = GfxLocateConfigData (StdHeader, &Gfx);
ASSERT (Status == AGESA_SUCCESS);
if (Status == AGESA_SUCCESS) {
if (GfxLibIsControllerPresent (StdHeader)) {
if (PostParamsPtr->MemConfig.UmaMode != UMA_NONE) {
LibAmdMemFill (&GfxDiscreteCardInfo, 0x0, sizeof (GfxDiscreteCardInfo), StdHeader);
GfxGetDiscreteCardInfo (&GfxDiscreteCardInfo, StdHeader);
if (GfxDiscreteCardInfo.PciGfxCardBitmap != 0 ||
(GfxDiscreteCardInfo.AmdPcieGfxCardBitmap & GfxDiscreteCardInfo.PcieGfxCardBitmap) !=
GfxDiscreteCardInfo.AmdPcieGfxCardBitmap) {
PostParamsPtr->MemConfig.UmaMode = UMA_NONE;
IDS_HDT_CONSOLE (GFX_MISC, " GfxDisabled due dGPU policy\n");
}
}
} else {
PostParamsPtr->MemConfig.UmaMode = UMA_NONE;
Gfx->GfxFusedOff = TRUE;
}
} else {
PostParamsPtr->MemConfig.UmaMode = UMA_NONE;
}
IDS_HDT_CONSOLE (GNB_TRACE, "GfxInitAtPost Exit [0x%x]\n", Status);
return Status;
}
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