From: Philip Yang Date: Tue, 23 Nov 2021 14:59:46 +0000 (-0500) Subject: drm/amdgpu: enable Navi 48-bit IH timestamp counter X-Git-Tag: block-5.17-2022-01-21~94^2~17^2~6 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=71ee9236ab9e7e7b76be3d106724c35c5f934b85;p=linux-block.git 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 Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c index 1d8414c3fadb..dafad6030947 100644 --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c @@ -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));