Commit 49aa98ca authored by Yongqiang Sun's avatar Yongqiang Sun Committed by Alex Deucher
Browse files

drm/amd/amdgpu: Only reserve vram for firmware with vega9 MS_HYPERV host. 



driver loading failed on VEGA10 SRIOV VF with linux host due to a wide
range of stolen reserved vram.
Since VEGA10 SRIOV VF need to reserve vram for firmware with windows
Hyper_V host specifically, check hypervisor type to only reserve
memory for it, and the range of the reserved vram can be limited
to between 5M-7M area.

Fixes: faad5cca ("drm/amdgpu: Add stolen reserved memory for MI25 SRIOV.")
Signed-off-by: default avatarYongqiang Sun <yongqiang.sun@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3cd3e731

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

+5 −4
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
 */



#include <linux/io-64-nonatomic-lo-hi.h>

#include <asm/hypervisor.h>



#include "amdgpu.h"

#include "amdgpu_gmc.h"
@@ -647,11 +648,11 @@ void amdgpu_gmc_get_vbios_allocations(struct amdgpu_device *adev) 
	case CHIP_VEGA10:

		adev->mman.keep_stolen_vga_memory = true;

		/*

		 * VEGA10 SRIOV VF needs some firmware reserved area.

		 * VEGA10 SRIOV VF with MS_HYPERV host needs some firmware reserved area.

		 */

		if (amdgpu_sriov_vf(adev)) {

			adev->mman.stolen_reserved_offset = 0x100000;

			adev->mman.stolen_reserved_size = 0x600000;

		if (amdgpu_sriov_vf(adev) && hypervisor_is_type(X86_HYPER_MS_HYPERV)) {

			adev->mman.stolen_reserved_offset = 0x500000;

			adev->mman.stolen_reserved_size = 0x200000;

		}

		break;

	case CHIP_RAVEN: