[PATCH] i915/gvt/handlers.c: Dup definition of MMIO 0x22040 on BDW+

[Du, Changbin]

On Sat, May 06, 2017 at 07:33:37AM +0800, Xiong Zhang wrote:
> MMIO 0x22040 is Blitter/Render Semaphore Sync Register which has
> defined through MMIO_RING_DFH(RING_SYNC_0) in
> init_generic_mmio_info(), but init_broadwell_mmio_info() defines
> this MMIO again through MMIO_D(0x22040, D_BDW_PLUS), MMIO_D(0x22040)
> remove F_CMD_ACCESS flag. This generate error caution in dmesg.
> 
> Signed-off-by: Xiong Zhang <xiong.y.zhang at intel.com>
> ---
>  drivers/gpu/drm/i915/gvt/handlers.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
> index 6da9ae1..72ecb62 100644
> --- a/drivers/gpu/drm/i915/gvt/handlers.c
> +++ b/drivers/gpu/drm/i915/gvt/handlers.c
> @@ -2545,7 +2545,6 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
>  	MMIO_F(0x24d0, 48, F_CMD_ACCESS, 0, 0, D_BDW_PLUS,
>  		NULL, force_nonpriv_write);
>  
> -	MMIO_D(0x22040, D_BDW_PLUS);
There are 5 more dups, maybe remove them once?
[    6.715148] [drm:new_mmio_info [i915]] *ERROR* gvt: dup mmio definition offset 22040
[    6.715351] [drm:new_mmio_info [i915]] *ERROR* gvt: dup mmio definition offset 138124
[    6.733030] [drm:new_mmio_info [i915]] *ERROR* gvt: dup mmio definition offset 1a028
[    6.733100] [drm:new_mmio_info [i915]] *ERROR* gvt: dup mmio definition offset 940c
[    6.733123] [drm:new_mmio_info [i915]] *ERROR* gvt: dup mmio definition offset 4ab0
[    6.733142] [drm:new_mmio_info [i915]] *ERROR* gvt: dup mmiodefinition offset 20d4

>  	MMIO_D(0x44484, D_BDW_PLUS);
>  	MMIO_D(0x4448c, D_BDW_PLUS);
>  
> -- 
> 2.7.4
> 
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-- 
Thanks,
Changbin Du
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