From: Feifei Xu <Feifei.Xu@xxxxxxx>
Use module parameter passed from user to initialize zfb start address
and size.
Signed-off-by: Feifei Xu <Feifei.Xu at amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
Acked-by: John Bridgman <john.bridgman at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 887f7c9e84e0..b175178345aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1010,6 +1010,15 @@ static void amdgpu_device_check_arguments(struct amdgpu_device *adev)
}
adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type);
+
+ if (amdgpu_zfb[0] > 0) {
+ dev_warn(adev->dev, "Zero Fram Buffer is enabled\n");
+ adev->gmc.zfb_phys_addr = amdgpu_zfb[1] << 20;
+ adev->gmc.zfb_size = amdgpu_zfb[0] << 20;
+ } else {
+ adev->gmc.zfb_phys_addr = 0;
+ adev->gmc.zfb_size = 0;
+ }
}
/**
--
2.13.6
