Re: [Intel-gfx] [PATCH v2 1/2] drm/i915/dp: Use LINK_QUAL_PATTERN_* Phy test pattern names

[Jani Nikula <jani.nikula@intel.com>]

On Thu, 30 Nov 2023, Khaled Almahallawy <khaled.almahallawy@intel.com> wrote:
> Starting from DP2.0 specs, DPCD 248h is renamed
> LINK_QUAL_PATTERN_SELECT and it has the same values of registers
> DPCD 10Bh-10Eh.
> Use the PHY pattern names defined for DPCD 10Bh-10Eh in order to add
> CP2520 Pattern 3 (TPS4) phy pattern support in the next
> patch of this series and DP2.1 PHY patterns for future series.
>
> v2: rebase
>
> Cc: Jani Nikula <jani.nikula@intel.com>
> Cc: Imre Deak <imre.deak@intel.com>
> Cc: Lee Shawn C <shawn.c.lee@intel.com>
> Signed-off-by: Khaled Almahallawy <khaled.almahallawy@intel.com>

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

> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 3b2482bf683f..a1e63ab5761b 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -4683,27 +4683,27 @@ static void intel_dp_phy_pattern_update(struct intel_dp *intel_dp,
>  	u32 pattern_val;
>  
>  	switch (data->phy_pattern) {
> -	case DP_PHY_TEST_PATTERN_NONE:
> +	case DP_LINK_QUAL_PATTERN_DISABLE:
>  		drm_dbg_kms(&dev_priv->drm, "Disable Phy Test Pattern\n");
>  		intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe), 0x0);
>  		break;
> -	case DP_PHY_TEST_PATTERN_D10_2:
> +	case DP_LINK_QUAL_PATTERN_D10_2:
>  		drm_dbg_kms(&dev_priv->drm, "Set D10.2 Phy Test Pattern\n");
>  		intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe),
>  			       DDI_DP_COMP_CTL_ENABLE | DDI_DP_COMP_CTL_D10_2);
>  		break;
> -	case DP_PHY_TEST_PATTERN_ERROR_COUNT:
> +	case DP_LINK_QUAL_PATTERN_ERROR_RATE:
>  		drm_dbg_kms(&dev_priv->drm, "Set Error Count Phy Test Pattern\n");
>  		intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe),
>  			       DDI_DP_COMP_CTL_ENABLE |
>  			       DDI_DP_COMP_CTL_SCRAMBLED_0);
>  		break;
> -	case DP_PHY_TEST_PATTERN_PRBS7:
> +	case DP_LINK_QUAL_PATTERN_PRBS7:
>  		drm_dbg_kms(&dev_priv->drm, "Set PRBS7 Phy Test Pattern\n");
>  		intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe),
>  			       DDI_DP_COMP_CTL_ENABLE | DDI_DP_COMP_CTL_PRBS7);
>  		break;
> -	case DP_PHY_TEST_PATTERN_80BIT_CUSTOM:
> +	case DP_LINK_QUAL_PATTERN_80BIT_CUSTOM:
>  		/*
>  		 * FIXME: Ideally pattern should come from DPCD 0x250. As
>  		 * current firmware of DPR-100 could not set it, so hardcoding
> @@ -4721,7 +4721,7 @@ static void intel_dp_phy_pattern_update(struct intel_dp *intel_dp,
>  			       DDI_DP_COMP_CTL_ENABLE |
>  			       DDI_DP_COMP_CTL_CUSTOM80);
>  		break;
> -	case DP_PHY_TEST_PATTERN_CP2520:
> +	case DP_LINK_QUAL_PATTERN_CP2520_PAT_1:
>  		/*
>  		 * FIXME: Ideally pattern should come from DPCD 0x24A. As
>  		 * current firmware of DPR-100 could not set it, so hardcoding

-- 
Jani Nikula, Intel