[Intel-gfx] [PATCH] drm/i915/xelpg: Fix write to MTL_MCR_SELECTOR

[Murthy, Arun R]

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Matt
> Roper
> Sent: Thursday, October 20, 2022 3:55 AM
> To: intel-gfx at lists.freedesktop.org
> Cc: dri-devel at lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH] drm/i915/xelpg: Fix write to MTL_MCR_SELECTOR
> 
> A misplaced closing parenthesis caused the groupid/instanceid values to be
> considered part of the ternary operator's condition instead of being OR'd
> into the resulting value.
> 
> Fixes: f32898c94a10 ("drm/i915/xelpg: Add multicast steering")
> Reported-by: kernel test robot <lkp at intel.com>
> Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
> ---
Reviewed-by: Arun R Murthy <arun.r.murthy at intel.com>

Thanks and Regards,
Arun R Murthy
--------------------
>  drivers/gpu/drm/i915/gt/intel_gt_mcr.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
> b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
> index 0d2811724b00..46cf2f3d1e8e 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
> +++ b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
> @@ -249,7 +249,7 @@ static u32 rw_with_mcr_steering_fw(struct
> intel_uncore *uncore,
>  		intel_uncore_write_fw(uncore, MTL_MCR_SELECTOR,
>  				      REG_FIELD_PREP(MTL_MCR_GROUPID,
> group) |
>  				      REG_FIELD_PREP(MTL_MCR_INSTANCEID,
> instance) |
> -				      (rw_flag == FW_REG_READ) ?
> GEN11_MCR_MULTICAST : 0);
> +				      (rw_flag == FW_REG_READ ?
> GEN11_MCR_MULTICAST : 0));
>  	} else if (GRAPHICS_VER(uncore->i915) >= 11) {
>  		mcr_mask = GEN11_MCR_SLICE_MASK |
> GEN11_MCR_SUBSLICE_MASK;
>  		mcr_ss = GEN11_MCR_SLICE(group) |
> GEN11_MCR_SUBSLICE(instance);
> --
> 2.37.3