[PATCH] drm/amdgpu: decline max_me for mec2_fw remove in renoir/arcturus

[changfeng.zhu at amd.com]

From: changzhu <Changfeng.Zhu at amd.com>

From: Changfeng <Changfeng.Zhu at amd.com>

The value of max_me in amdgpu_gfx_rlc_setup_cp_table should reduce to 4
when mec2_fw is removed on asic renoir/arcturus. Or it will cause kernel
NULL pointer when modprobe driver.

Change-Id: I268610e85f6acd9200478d0ab1518349ff81469b
Signed-off-by: Changfeng <Changfeng.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 2f56adebbb31..300a07227597 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1890,7 +1890,10 @@ static void gfx_v9_0_enable_lbpw(struct amdgpu_device *adev, bool enable)
 
 static int gfx_v9_0_cp_jump_table_num(struct amdgpu_device *adev)
 {
-	return 5;
+	if (gfx_v9_0_load_mec2_fw_bin_support(adev))
+		return 5;
+	else
+		return 4;
 }
 
 static int gfx_v9_0_rlc_init(struct amdgpu_device *adev)
-- 
2.17.1