Re: [PATCH] drm/i915: Register definitions for DP Phy compiance

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On Thu, Mar 01, 2018 at 11:36:12AM -0800, clinton.a.taylor@xxxxxxxxx wrote:
> From: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
> 
> DisplayPort Phy compliance test patterns register definitions.

Hi Clint,

what's the current plan to add the actual use of these registers and bits?

thanks,
Rodrigo.

> 
> Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/i915_reg.h | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 95a2e51..91152c9 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -8702,6 +8702,24 @@ enum skl_power_gate {
>  #define  DDI_BUF_BALANCE_LEG_ENABLE	(1 << 31)
>  #define DDI_BUF_TRANS_HI(port, i)	_MMIO(_PORT(port, _DDI_BUF_TRANS_A, _DDI_BUF_TRANS_B) + (i) * 8 + 4)
>  
> +/* DDI DP Compliance Control */
> +#define DDI_DP_COMP_CTL_A			0x640F0
> +#define DDI_DP_COMP_CTL_B			0x641F0
> +#define DDI_DP_COMP_CTL(port) _MMIO_PORT(port, DDI_DP_COMP_CTL_A, DDI_DP_COMP_CTL_B)
> +#define  DDI_DP_COMP_CTL_ENABLE			(1 << 31)
> +#define  DDI_DP_COMP_CTL_D10_2			(0 << 28)
> +#define  DDI_DP_COMP_CTL_SCRAMBLED_0		(1 << 28)
> +#define  DDI_DP_COMP_CTL_PRBS7			(2 << 28)
> +#define  DDI_DP_COMP_CTL_CUSTOM80			(3 << 28)
> +#define  DDI_DP_COMP_CTL_HBR2			(4 << 28)
> +#define  DDI_DP_COMP_CTL_SCRAMBLED_1		(5 << 28)
> +#define  DDI_DP_COMP_CTL_HBR2_RESET		(0xFC << 0)
> +
> +/* DDI DP Compliance Pattern */
> +#define DDI_DP_COMP_PAT_A			0x640f4
> +#define DDI_DP_COMP_PAT_B			0x641f4
> +#define DDI_DP_COMP_PAT(port, i) _MMIO(_PORT(port, DDI_DP_COMP_PAT_A, DDI_DP_COMP_PAT_B) + (i) * 4) /* 3 dwords */
> +
>  /* Sideband Interface (SBI) is programmed indirectly, via
>   * SBI_ADDR, which contains the register offset; and SBI_DATA,
>   * which contains the payload */
> -- 
> 1.9.1
> 
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