[PATCH] drm/amdgpu: ih reroute for newer asics than vega20

[Felix Kuehling]

Am 2021-03-26 um 11:33 a.m. schrieb Alex Sierra:
> Starting Arcturus, it supports ih reroute through mmio directly
> in bare metal environment. This is also valid for newer asics
> such as Aldebaran.
>
> Signed-off-by: Alex Sierra <alex.sierra at amd.com>
> Acked-by: Christian König <christian.koenig at amd.com>
> Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>


> ---
>  drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
> index 6c3cb3513b98..8a122b413bf5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
> @@ -264,10 +264,10 @@ static void vega20_ih_reroute_ih(struct amdgpu_device *adev)
>  {
>  	uint32_t tmp;
>  
> -	/* vega20 ih reroute will go through psp
> -	 * this function is only used for arcturus
> +	/* vega20 ih reroute will go through psp this
> +	 * function is used for newer asics starting arcturus
>  	 */
> -	if (adev->asic_type == CHIP_ARCTURUS) {
> +	if (adev->asic_type >= CHIP_ARCTURUS) {
>  		/* Reroute to IH ring 1 for VMC */
>  		WREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_INDEX, 0x12);
>  		tmp = RREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_DATA);