[Intel-gfx] [PATCH] drm/i915/icl: Fix the TRANS_DDI_FUNC_CTL2 bitfield macro

Jani Nikula jani.nikula at intel.com
Wed Mar 20 09:17:49 UTC 2019


On Tue, 19 Mar 2019, Manasi Navare <manasi.d.navare at intel.com> wrote:
> This patch fixes the PORT_SYNC_MODE_MASTER_SELECT macro
> to correctly do the left shifting to set the port sync
> master select correctly.
> I have tested this fix on ICL.
>
> Fixes: 49edbd49786e ("drm/i915/icl: Define TRANS_DDI_FUNC_CTL DSI registers")
> Cc: Madhav Chauhan <madhav.chauhan at intel.com>
> Cc: Jani Nikula <jani.nikula at intel.com>
> Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>

Auch.

Reviewed-by: Jani Nikula <jani.nikula at intel.com>


> ---
>  drivers/gpu/drm/i915/i915_reg.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 85e8d1a1f70b..7a9d867eb49b 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -9352,7 +9352,7 @@ enum skl_power_gate {
>  #define TRANS_DDI_FUNC_CTL2(tran)	_MMIO_TRANS2(tran, \
>  						     _TRANS_DDI_FUNC_CTL2_A)
>  #define  PORT_SYNC_MODE_ENABLE			(1 << 4)
> -#define  PORT_SYNC_MODE_MASTER_SELECT(x)	((x) < 0)
> +#define  PORT_SYNC_MODE_MASTER_SELECT(x)	((x) << 0)
>  #define  PORT_SYNC_MODE_MASTER_SELECT_MASK	(0x7 << 0)
>  #define  PORT_SYNC_MODE_MASTER_SELECT_SHIFT	0

-- 
Jani Nikula, Intel Open Source Graphics Center


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