[PATCH] drm/amdgpu: skip fb size query for navi10 previous asic

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From: Likun Gao <Likun.Gao@xxxxxxx>

Skip for reserved fb size query for the ASIC older than navi10, as those
asic do not need for TMR region reserve and may get an invalid value.

Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
Change-Id: Idbc57805b8070f27ba6c3cf22f1892d6dab92f06
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index a9adccfda4c0..e2a64ae7bcaf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -603,6 +603,9 @@ int amdgpu_atomfirmware_get_fw_reserved_fb_size(struct amdgpu_device *adev)
 	u8 frev, crev;
 	int fw_reserved_fb_size;
 
+	if (adev->asic_type < CHIP_NAVI10)
+		return 0;
+
 	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 			firmwareinfo);
 
-- 
2.25.1

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