linux-kernel - RE: [PATCH 2/2] drm/amd/display: dc_link: code clean up on detect

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Date:   Thu, 27 Feb 2020 18:48:40 +0000
From:   "Liu, Zhan" <Zhan.Liu@....com>
To:     "Liu, Zhan" <Zhan.Liu@....com>,
        Melissa Wen <melissa.srw@...il.com>,
        "Wentland, Harry" <Harry.Wentland@....com>,
        "Li, Sun peng (Leo)" <Sunpeng.Li@....com>,
        "Deucher, Alexander" <Alexander.Deucher@....com>,
        "Koenig, Christian" <Christian.Koenig@....com>,
        "Zhou, David(ChunMing)" <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>
CC:     "amd-gfx@...ts.freedesktop.org" <amd-gfx@...ts.freedesktop.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 2/2] drm/amd/display: dc_link: code clean up on detect_dp
 function


> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@...ts.freedesktop.org> On Behalf Of Liu,
> Zhan
> Sent: 2020/February/27, Thursday 1:40 PM
> To: Melissa Wen <melissa.srw@...il.com>; Wentland, Harry
> <Harry.Wentland@....com>; Li, Sun peng (Leo) <Sunpeng.Li@....com>;
> Deucher, Alexander <Alexander.Deucher@....com>; Koenig, Christian
> <Christian.Koenig@....com>; Zhou, David(ChunMing)
> <David1.Zhou@....com>; David Airlie <airlied@...ux.ie>; Daniel Vetter
> <daniel@...ll.ch>; Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>
> Cc: amd-gfx@...ts.freedesktop.org; dri-devel@...ts.freedesktop.org; linux-
> kernel@...r.kernel.org
> Subject: RE: [PATCH 2/2] drm/amd/display: dc_link: code clean up on
> detect_dp function
> 
> 
> > -----Original Message-----
> > From: amd-gfx <amd-gfx-bounces@...ts.freedesktop.org> On Behalf Of
> > Melissa Wen
> > Sent: 2020/February/26, Wednesday 5:08 PM
> > To: Wentland, Harry <Harry.Wentland@....com>; Li, Sun peng (Leo)
> > <Sunpeng.Li@....com>; Deucher, Alexander
> <Alexander.Deucher@....com>;
> > Koenig, Christian <Christian.Koenig@....com>; Zhou, David(ChunMing)
> > <David1.Zhou@....com>; David Airlie <airlied@...ux.ie>; Daniel Vetter
> > <daniel@...ll.ch>; Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>
> > Cc: dri-devel@...ts.freedesktop.org; amd-gfx@...ts.freedesktop.org;
> > linux- kernel@...r.kernel.org
> > Subject: [PATCH 2/2] drm/amd/display: dc_link: code clean up on
> > detect_dp function
> >
> > Removes codestyle issues on detect_dp function as suggested by
> > checkpatch.pl.
> >
> > CHECK: Lines should not end with a '('
> > WARNING: Missing a blank line after declarations
> > WARNING: line over 80 characters
> > CHECK: Alignment should match open parenthesis
> >
> > Signed-off-by: Melissa Wen <melissa.srw@...il.com>
> 
> Thank you Melissa for your contribution! Will apply it.
> 
> This patch is:
> Reviewed-by: Zhan Liu <zhan.liu@....com>

Sorry I didn't see Rodrigo already replied your email. Please send us a V2, then we will review your V2 patch.

And again, thank you so much for your contribution!

Zhan

> 
> > ---
> >  drivers/gpu/drm/amd/display/dc/core/dc_link.c | 35
> > +++++++++----------
> >  1 file changed, 16 insertions(+), 19 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> > b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> > index 0f28b5694144..adb717f02c9c 100644
> > --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> > +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> > @@ -585,14 +585,14 @@ static void
> > read_current_link_settings_on_detect(struct dc_link *link)
> >  		LINK_SPREAD_05_DOWNSPREAD_30KHZ :
> > LINK_SPREAD_DISABLED;  }
> >
> > -static bool detect_dp(
> > -	struct dc_link *link,
> > -	struct display_sink_capability *sink_caps,
> > -	bool *converter_disable_audio,
> > -	struct audio_support *audio_support,
> > -	enum dc_detect_reason reason)
> > +static bool detect_dp(struct dc_link *link,
> > +		      struct display_sink_capability *sink_caps,
> > +		      bool *converter_disable_audio,
> > +		      struct audio_support *audio_support,
> > +		      enum dc_detect_reason reason)
> >  {
> >  	bool boot = false;
> > +
> >  	sink_caps->signal = link_detect_sink(link, reason);
> >  	sink_caps->transaction_type =
> >  		get_ddc_transaction_type(sink_caps->signal);
> > @@ -606,9 +606,8 @@ static bool detect_dp(
> >  			sink_caps->signal =
> > SIGNAL_TYPE_DISPLAY_PORT_MST;
> >  			link->type = dc_connection_mst_branch;
> >
> > -			dal_ddc_service_set_transaction_type(
> > -							link->ddc,
> > -							sink_caps-
> > >transaction_type);
> > +			dal_ddc_service_set_transaction_type(link->ddc,
> > +							     sink_caps-
> > >transaction_type);
> >
> >  			/*
> >  			 * This call will initiate MST topology discovery.
> > Which @@ -637,13 +636,10 @@ static bool detect_dp(
> >  			if (reason == DETECT_REASON_BOOT)
> >  				boot = true;
> >
> > -			dm_helpers_dp_update_branch_info(
> > -				link->ctx,
> > -				link);
> > +			dm_helpers_dp_update_branch_info(link->ctx, link);
> >
> > -			if (!dm_helpers_dp_mst_start_top_mgr(
> > -				link->ctx,
> > -				link, boot)) {
> > +			if (!dm_helpers_dp_mst_start_top_mgr(link->ctx,
> > +							     link, boot)) {
> >  				/* MST not supported */
> >  				link->type = dc_connection_single;
> >  				sink_caps->signal =
> > SIGNAL_TYPE_DISPLAY_PORT; @@ -651,7 +647,7 @@ static bool
> detect_dp(
> >  		}
> >
> >  		if (link->type != dc_connection_mst_branch &&
> > -			is_dp_active_dongle(link)) {
> > +		    is_dp_active_dongle(link)) {
> >  			/* DP active dongles */
> >  			link->type = dc_connection_active_dongle;
> >  			if (!link->dpcd_caps.sink_count.bits.SINK_COUNT)
> > { @@ -662,14 +658,15 @@ static bool detect_dp(
> >  				return true;
> >  			}
> >
> > -			if (link->dpcd_caps.dongle_type !=
> > DISPLAY_DONGLE_DP_HDMI_CONVERTER)
> > +			if (link->dpcd_caps.dongle_type !=
> > +			    DISPLAY_DONGLE_DP_HDMI_CONVERTER)
> >  				*converter_disable_audio = true;
> >  		}
> >  	} else {
> >  		/* DP passive dongles */
> >  		sink_caps->signal = dp_passive_dongle_detection(link->ddc,
> > -				sink_caps,
> > -				audio_support);
> > +								sink_caps,
> > +
> > 	audio_support);
> >  	}
> >
> >  	return true;
> > --
> > 2.25.0
> >
> > _______________________________________________
> > amd-gfx mailing list
> > amd-gfx@...ts.freedesktop.org
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@...ts.freedesktop.org