RE: [PATCH 2/2] drm/amd/display: dc_link: code clean up on detect_dp function

From: Liu, Zhan
Date: Thu Feb 27 2020 - 13:40:00 EST



> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> Melissa Wen
> Sent: 2020/February/26, Wednesday 5:08 PM
> To: Wentland, Harry <Harry.Wentland@xxxxxxx>; Li, Sun peng (Leo)
> <Sunpeng.Li@xxxxxxx>; Deucher, Alexander
> <Alexander.Deucher@xxxxxxx>; Koenig, Christian
> <Christian.Koenig@xxxxxxx>; Zhou, David(ChunMing)
> <David1.Zhou@xxxxxxx>; David Airlie <airlied@xxxxxxxx>; Daniel Vetter
> <daniel@xxxxxxxx>; Rodrigo Siqueira <rodrigosiqueiramelo@xxxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> 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@xxxxxxxxx>

Thank you Melissa for your contribution! Will apply it.

This patch is:
Reviewed-by: Zhan Liu <zhan.liu@xxxxxxx>

> ---
> 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
>
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