[PATCH] drm/radeon: don't use PACKET2 on CIK

[Christian König]

Am 30.10.2013 14:41, schrieb Marek Olšák:
> From: Marek Olšák <marek.olsak at amd.com>
>
> It is said to cause hangs.
>
> Signed-off-by: Marek Olšák <marek.olsak at amd.com>

We should probably do so for SI as well.

Patch is Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/radeon/cik.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
> index 2cd2ac0..44507a4 100644
> --- a/drivers/gpu/drm/radeon/cik.c
> +++ b/drivers/gpu/drm/radeon/cik.c
> @@ -7134,7 +7134,7 @@ static int cik_startup(struct radeon_device *rdev)
>   	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
>   	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
>   			     CP_RB0_RPTR, CP_RB0_WPTR,
> -			     RADEON_CP_PACKET2);
> +			     PACKET3(PACKET3_NOP, 0x3FFF));
>   	if (r)
>   		return r;
>