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Revert "drm/amd: Disable S/G for APUs when 64GB or more host memory"

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This reverts commit 70e64c4d52.

Since, we now have an actual fix for this issue, we can get rid of this
workaround as it can cause pin failures if enough VRAM isn't carved out
by the BIOS.

Cc: stable@vger.kernel.org # 6.1+
Acked-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hamza Mahfooz
2023-09-08 10:36:44 -04:00
committed by Alex Deucher
parent ef064187a9
commit 169ed4ece8
3 changed files with 3 additions and 29 deletions
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5
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -1644,8 +1644,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
}
break;
}
if (init_data.flags.gpu_vm_support)
init_data.flags.gpu_vm_support = amdgpu_sg_display_supported(adev);
if (init_data.flags.gpu_vm_support &&
(amdgpu_sg_display == 0))
init_data.flags.gpu_vm_support = false;
if (init_data.flags.gpu_vm_support)
adev->mode_info.gpu_vm_support = true;