[Intel-gfx] [PATCH] drm/i915/gt: Fix perf limit reasons bit positions

[Dixit, Ashutosh]

On Thu, 08 Sep 2022 08:58:21 -0700, Ashutosh Dixit wrote:
>
> Perf limit reasons bit positions were off by one.
>
> Fixes: fa68bff7cf27 ("drm/i915/gt: Add sysfs throttle frequency interfaces")
> Cc: stable at vger.kernel.org # v5.18+
> Signed-off-by: Ashutosh Dixit <ashutosh.dixit at intel.com>
> Acked-by: Andi Shyti <andi.shyti at linux.intel.com>
> Reviewed-by: Sujaritha Sundaresan <sujaritha.sundaresan at intel.com>

I copied the A-b and R-b on this patch from:

https://patchwork.freedesktop.org/patch/501919/?series=108091&rev=2

And have also copied stable just in case. Thanks.

> ---
>  drivers/gpu/drm/i915/i915_reg.h | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index c413eec3373f..24009786f88b 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -1794,14 +1794,14 @@
>
>  #define GT0_PERF_LIMIT_REASONS		_MMIO(0x1381a8)
>  #define   GT0_PERF_LIMIT_REASONS_MASK	0xde3
> -#define   PROCHOT_MASK			REG_BIT(1)
> -#define   THERMAL_LIMIT_MASK		REG_BIT(2)
> -#define   RATL_MASK			REG_BIT(6)
> -#define   VR_THERMALERT_MASK		REG_BIT(7)
> -#define   VR_TDC_MASK			REG_BIT(8)
> -#define   POWER_LIMIT_4_MASK		REG_BIT(9)
> -#define   POWER_LIMIT_1_MASK		REG_BIT(11)
> -#define   POWER_LIMIT_2_MASK		REG_BIT(12)
> +#define   PROCHOT_MASK			REG_BIT(0)
> +#define   THERMAL_LIMIT_MASK		REG_BIT(1)
> +#define   RATL_MASK			REG_BIT(5)
> +#define   VR_THERMALERT_MASK		REG_BIT(6)
> +#define   VR_TDC_MASK			REG_BIT(7)
> +#define   POWER_LIMIT_4_MASK		REG_BIT(8)
> +#define   POWER_LIMIT_1_MASK		REG_BIT(10)
> +#define   POWER_LIMIT_2_MASK		REG_BIT(11)
>
>  #define CHV_CLK_CTL1			_MMIO(0x101100)
>  #define VLV_CLK_CTL2			_MMIO(0x101104)
> --
> 2.34.1
>