On Fri, May 22, 2020 at 2:20 PM Gavin Wan <Gavin.Wan@xxxxxxx> wrote:
>
> For SRIOV, since the CP_INT_CNTL_RING0 is programed on host side.
> The Guest should not program CP_INT_CNTL_RING0 again.
>
> Change-Id: Ic336fab3b23b8371c9e9e192182a3ba14a8db8e1
> Signed-off-by: Gavin Wan <Gavin.Wan@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> index bd5dd4f64311..39275bf79448 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> @@ -4558,6 +4558,9 @@ static void gfx_v10_0_constants_init(struct amdgpu_device *adev)
> static void gfx_v10_0_enable_gui_idle_interrupt(struct amdgpu_device *adev,
> bool enable)
> {
> + if (amdgpu_sriov_vf(adev))
> + return;
> +
This needs to be below the stack variable declarations or you'll get a warning.
Alex
> u32 tmp = RREG32_SOC15(GC, 0, mmCP_INT_CNTL_RING0);
>
> tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE,
> --
> 2.25.1
>
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