[PATCH] drm/amdgpu: always use legacy tlb flush on cyan_skilfish

[Lang Yu]

cyan_skilfish has problems with other flush types.

Signed-off-by: Lang Yu <Lang.Yu at amd.com>
Cc: <stable at vger.kernel.org> # v5.15+
---
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index d3da13f4c80e..27504ac21653 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -236,7 +236,8 @@ static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid,
 {
 	bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(adev, vmhub);
 	struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
-	u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
+	u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid,
+		      (adev->asic_type != CHIP_CYAN_SKILLFISH) ? flush_type : 0);
 	u32 tmp;
 	/* Use register 17 for GART */
 	const unsigned int eng = 17;
@@ -331,6 +332,8 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 
 	int r;
 
+	flush_type = (adev->asic_type != CHIP_CYAN_SKILLFISH) ? : 0;
+
 	/* flush hdp cache */
 	adev->hdp.funcs->flush_hdp(adev, NULL);
 
@@ -426,6 +429,8 @@ static int gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
 	struct amdgpu_ring *ring = &adev->gfx.kiq[0].ring;
 	struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
 
+	flush_type = (adev->asic_type != CHIP_CYAN_SKILLFISH) ? : 0;
+
 	if (amdgpu_emu_mode == 0 && ring->sched.ready) {
 		spin_lock(&adev->gfx.kiq[0].ring_lock);
 		/* 2 dwords flush + 8 dwords fence */
-- 
2.25.1