On 2019-06-27 4:16 p.m., Alex Deucher wrote:
> The buf swap field doesn't exist on RB1.
> 
> Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c 
> b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> index 0061a0e8ab78..2932ade7dbd0 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> @@ -2624,9 +2624,6 @@ static int gfx_v10_0_cp_gfx_resume(struct amdgpu_device 
> *adev)
>       rb_bufsz = order_base_2(ring->ring_size / 8);
>       tmp = REG_SET_FIELD(0, CP_RB1_CNTL, RB_BUFSZ, rb_bufsz);
>       tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, RB_BLKSZ, rb_bufsz - 2);
> -#ifdef __BIG_ENDIAN
> -     tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
> -#endif
>       WREG32_SOC15(GC, 0, mmCP_RB1_CNTL, tmp);
>       /* Initialize the ring buffer's write pointers */
>       ring->wptr = 0;
> 

So the RB0 BUF_SWAP bit applies to RB1 as well? Might be nice to clarify
that in the commit log.

Anyway,

Reviewed-by: Michel Dänzer <michel.daen...@amd.com>


-- 
Earthling Michel Dänzer               |              https://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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