[Intel-gfx] [PATCH] drm/i915: Use correct downstream caps for check Src-Ctl mode for PCON

[Sharma, Swati2]

Reviewed-by: Swati Sharma <swati2.sharma at intel.com>

On 29-Apr-21 2:12 PM, Ankit Nautiyal wrote:
> Fix the typo in DPCD caps used for checking SRC CTL mode of
> HDMI2.1 PCON
> 
> Fixes: 04b6603d13be (drm/i915/display: Configure HDMI2.1 Pcon for FRL
> only if Src-Ctl mode is available)
> 
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
> ---
>   drivers/gpu/drm/i915/display/intel_dp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index dfa7da928ae5..b3e82aa8b4f8 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -2112,7 +2112,7 @@ void intel_dp_check_frl_training(struct intel_dp *intel_dp)
>   	 * -PCON supports SRC_CTL_MODE (VESA DP2.0-HDMI2.1 PCON Spec Draft-1 Sec-7)
>   	 * -sink is HDMI2.1
>   	 */
> -	if (!(intel_dp->dpcd[2] & DP_PCON_SOURCE_CTL_MODE) ||
> +	if (!(intel_dp->downstream_ports[2] & DP_PCON_SOURCE_CTL_MODE) ||
>   	    !intel_dp_is_hdmi_2_1_sink(intel_dp) ||
>   	    intel_dp->frl.is_trained)
>   		return;
> 

-- 
~Swati Sharma