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Commit 8d6a5230 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/gmc9: get vram width from atom for Raven 



Get it from the system info table.

Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 21f6bcb6

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

+40 −36
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include <linux/firmware.h>

#include "amdgpu.h"

#include "gmc_v9_0.h"

#include "amdgpu_atomfirmware.h"



#include "vega10/soc15ip.h"

#include "vega10/HDP/hdp_4_0_offset.h"
@@ -442,6 +443,8 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev) 
	u32 tmp;

	int chansize, numchan;



	adev->mc.vram_width = amdgpu_atomfirmware_get_vram_width(adev);

	if (!adev->mc.vram_width) {

		/* hbm memory channel size */

		chansize = 128;
@@ -479,6 +482,7 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev) 
			break;

		}

		adev->mc.vram_width = numchan * chansize;

	}



	/* Could aper size report 0 ? */

	adev->mc.aper_base = pci_resource_start(adev->pdev, 0);