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[Public]
Series is:
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
From: Sun, Yongqiang <Yongqiang.Sun@xxxxxxx>
Sent: Tuesday, March 15, 2022 10:11 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Sun, Yongqiang <Yongqiang.Sun@xxxxxxx> Subject: [PATCH 2/2] drm/amdgpu: Add stolen reserved memory for MI25 SRIOV. MI25 SRIOV guest driver loading failed due to allocated memory overlaps
with firmware reserved area. Allocate stolen reserved memory for MI25 SRIOV specifically to avoid the memory overlap. Signed-off-by: Yongqiang Sun <yongqiang.sun@xxxxxxx> Change-Id: Ia1d1c4392fb792fa0186250dfc6270f35ffd6bed --- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index f18d050a14cf..7021e8f390bd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -643,6 +643,15 @@ void amdgpu_gmc_get_vbios_allocations(struct amdgpu_device *adev) */ switch (adev->asic_type) { case CHIP_VEGA10: + adev->mman.keep_stolen_vga_memory = true; + /* + * VEGA10 SRIOV VF needs some firmware reserved area. + */ + if (amdgpu_sriov_vf(adev)) { + adev->mman.stolen_reserved_offset = 0x100000; + adev->mman.stolen_reserved_size = 0x600000; + } + break; case CHIP_RAVEN: case CHIP_RENOIR: adev->mman.keep_stolen_vga_memory = true; -- 2.25.1 |
