[PATCH] drm/amdgpu: set kiq irq in sriov case for gfx_v9.

[Rex Zhu]

As the kiq ring is NULL in baremetal case,
the irq function will result in a BUG_ON in some case.

Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index f6b2329..35657c3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1029,9 +1029,11 @@ static int gfx_v9_0_sw_init(void *handle)
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
 	/* KIQ event */
-	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_GRBM_CP, 178, &adev->gfx.kiq.irq);
-	if (r)
-		return r;
+	if (amdgpu_sriov_vf()) {
+		r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_GRBM_CP, 178, &adev->gfx.kiq.irq);
+		if (r)
+			return r;
+	}
 
 	/* EOP Event */
 	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_GRBM_CP, 181, &adev->gfx.eop_irq);
@@ -3590,9 +3592,10 @@ static void gfx_v9_0_set_irq_funcs(struct amdgpu_device *adev)
 
 	adev->gfx.priv_inst_irq.num_types = 1;
 	adev->gfx.priv_inst_irq.funcs = &gfx_v9_0_priv_inst_irq_funcs;
-
-	adev->gfx.kiq.irq.num_types = AMDGPU_CP_KIQ_IRQ_LAST;
-	adev->gfx.kiq.irq.funcs = &gfx_v9_0_kiq_irq_funcs;
+	if (amdgpu_sriov_vf(adev)) {
+		adev->gfx.kiq.irq.num_types = AMDGPU_CP_KIQ_IRQ_LAST;
+		adev->gfx.kiq.irq.funcs = &gfx_v9_0_kiq_irq_funcs;
+	}
 }
 
 static void gfx_v9_0_set_rlc_funcs(struct amdgpu_device *adev)
-- 
1.9.1