[Intel-gfx] [PATCH] drm/i915/display: Drop redundant debug print

[Nautiyal, Ankit K]

Patch looks good to me.

I think we must add fixes tag with the below commit:

https://cgit.freedesktop.org/drm-tip/commit/?id=9488a030ac91447ea186ca3b7ec5c72ff03bc202

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>

On 7/27/2021 12:21 AM, Swati Sharma wrote:
> drm_dp_dpcd_read/write already has debug error message.
> Drop redundant error messages which gives false
> status even if correct value is read in drm_dp_dpcd_read().
>
> Signed-off-by: Swati Sharma <swati2.sharma at intel.com>
> ---
>   drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------
>   1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index c386ef8eb200..5c84f51ad41d 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -3871,16 +3871,12 @@ static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
>   		return;
>   
>   	if (drm_dp_dpcd_readb(&intel_dp->aux,
> -			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
> -		drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
> +			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
>   		return;
> -	}
>   
>   	if (drm_dp_dpcd_writeb(&intel_dp->aux,
> -			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
> -		drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
> +			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
>   		return;
> -	}
>   
>   	if (val & HDMI_LINK_STATUS_CHANGED)
>   		intel_dp_handle_hdmi_link_status_change(intel_dp);