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drm/amdgpu: enable Navi 48-bit IH timestamp counter 

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

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Philip Yang 2021-11-23 09:59:46 -05:00 committed by Alex Deucher
parent 2e4477282c
commit 71ee9236ab
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/navi10_ih.c
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@ -160,6 +160,7 @@ static int navi10_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));