From 9a9c59a8f4f4478d5951eb0bded1d17b936aad6e Mon Sep 17 00:00:00 2001 From: Alex Sierra Date: Fri, 15 Jan 2021 17:03:18 -0600 Subject: [PATCH] drm/amdgpu: enable 48-bit IH timestamp counter By default this timestamp is 32 bit counter. It gets overflowed in around 10 minutes. Signed-off-by: Alex Sierra Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- 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 101416c646c7..6c3cb3513b98 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c @@ -107,6 +107,8 @@ 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));