From: Alex Sierra <[email protected]>

[ Upstream commit 9a9c59a8f4f4478d5951eb0bded1d17b936aad6e ]

By default this timestamp is 32 bit counter. It gets
overflowed in around 10 minutes.

Signed-off-by: Alex Sierra <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c 
b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
index 75b06e1964ab..86dcf448e0c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
@@ -104,6 +104,8 @@ static int vega20_ih_toggle_ring_interrupts(struct 
amdgpu_device *adev,
 
        tmp = RREG32(ih_regs->ih_rb_cntl);
        tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_ENABLE, (enable ? 1 : 0));
+       tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_GPU_TS_ENABLE, 1);
+
        /* enable_intr field is only valid in ring0 */
        if (ih == &adev->irq.ih)
                tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, ENABLE_INTR, (enable ? 1 : 
0));
-- 
2.30.2

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