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drm/amdgpu: reserved buffer is not needed with ip discovery enabled

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When IP discovery enabled, the reserved buffer has been alloacted.

Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aaron Liu
2021-01-13 17:14:02 +08:00
committed by Alex Deucher
parent e15a5fb9b6
commit bea7534994
1 changed files with 7 additions and 4 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
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@@ -790,14 +790,17 @@ void amdgpu_gmc_get_reserved_allocation(struct amdgpu_device *adev)
{
/* Some ASICs need to reserve a region of video memory to avoid access
* from driver */
adev->mman.stolen_reserved_offset = 0;
adev->mman.stolen_reserved_size = 0;
switch (adev->asic_type) {
case CHIP_YELLOW_CARP:
adev->mman.stolen_reserved_offset = 0x1ffb0000;
adev->mman.stolen_reserved_size = 64 * PAGE_SIZE;
if (amdgpu_discovery == 0) {
adev->mman.stolen_reserved_offset = 0x1ffb0000;
adev->mman.stolen_reserved_size = 64 * PAGE_SIZE;
}
break;
default:
adev->mman.stolen_reserved_offset = 0;
adev->mman.stolen_reserved_size = 0;
break;
}
}