drm/amdgpu: remove the VI hardware semaphore in ring sync
Signed-off-by: David Zhang <david1.zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 698ea6c..70cc6bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3783,11 +3783,10 @@
unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
if (ring->adev->asic_type == CHIP_TOPAZ ||
- ring->adev->asic_type == CHIP_TONGA) {
- amdgpu_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
- amdgpu_ring_write(ring, lower_32_bits(addr));
- amdgpu_ring_write(ring, (upper_32_bits(addr) & 0xffff) | sel);
- } else {
+ ring->adev->asic_type == CHIP_TONGA)
+ /* we got a hw semaphore bug in VI TONGA, return false to switch back to sw fence wait */
+ return false;
+ else {
amdgpu_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 2));
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring, upper_32_bits(addr));