[PATCH v2 0/2] drm/amd/display: dc_link: cleaning up some code style issues

[PATCH v2 0/2] drm/amd/display: dc_link: cleaning up some code style issues

[Melissa Wen]

This patchset solves some coding style issues on dc_link for readability
and cleaning up warnings. Change suggested by checkpatch.pl.

Changes in v2:
- Apply patches to the right amdgpu repository.
- Remove unnecessary {} added in the previous version.

Melissa Wen (2):
  drm/amd/display: dc_link: code clean up on enable_link_dp function
  drm/amd/display: dc_link: code clean up on detect_dp function

 drivers/gpu/drm/amd/display/dc/core/dc_link.c | 64 +++++++++----------
 1 file changed, 30 insertions(+), 34 deletions(-)

-- 
2.25.0

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[PATCH v2 1/2] drm/amd/display: dc_link: code clean up on enable_link_dp function

[Melissa Wen]

Coding style clean up on enable_link_dp function as suggested by
checkpatch.pl:

CHECK: Lines should not end with a '('
WARNING: line over 80 characters
WARNING: suspect code indent for conditional statements (8, 24)
CHECK: braces {} should be used on all arms of this statement
ERROR: else should follow close brace '}'
CHECK: Comparison to NULL could be written
       "link->preferred_training_settings.fec_enable"

Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link.c | 29 +++++++++----------
 1 file changed, 14 insertions(+), 15 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 02e1ad318203..eb9894e416ed 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1498,9 +1498,8 @@ static void enable_stream_features(struct pipe_ctx *pipe_ctx)
 	}
 }
 
-static enum dc_status enable_link_dp(
-		struct dc_state *state,
-		struct pipe_ctx *pipe_ctx)
+static enum dc_status enable_link_dp(struct dc_state *state,
+				     struct pipe_ctx *pipe_ctx)
 {
 	struct dc_stream_state *stream = pipe_ctx->stream;
 	enum dc_status status;
@@ -1532,7 +1531,8 @@ static enum dc_status enable_link_dp(
 	pipe_ctx->stream_res.pix_clk_params.requested_sym_clk =
 			link_settings.link_rate * LINK_RATE_REF_FREQ_IN_KHZ;
 	if (state->clk_mgr && !apply_seamless_boot_optimization)
-		state->clk_mgr->funcs->update_clocks(state->clk_mgr, state, false);
+		state->clk_mgr->funcs->update_clocks(state->clk_mgr,
+						     state, false);
 
 	// during mode switch we do DP_SET_POWER off then on, and OUI is lost
 	dpcd_set_source_specific_data(link);
@@ -1540,21 +1540,20 @@ static enum dc_status enable_link_dp(
 	skip_video_pattern = true;
 
 	if (link_settings.link_rate == LINK_RATE_LOW)
-			skip_video_pattern = false;
-
-	if (perform_link_training_with_retries(
-			&link_settings,
-			skip_video_pattern,
-			LINK_TRAINING_ATTEMPTS,
-			pipe_ctx,
-			pipe_ctx->stream->signal)) {
+		skip_video_pattern = false;
+
+	if (perform_link_training_with_retries(&link_settings,
+					       skip_video_pattern,
+					       LINK_TRAINING_ATTEMPTS,
+					       pipe_ctx,
+					       pipe_ctx->stream->signal)) {
 		link->cur_link_settings = link_settings;
 		status = DC_OK;
-	}
-	else
+	} else {
 		status = DC_FAIL_DP_LINK_TRAINING;
+	}
 
-	if (link->preferred_training_settings.fec_enable != NULL)
+	if (link->preferred_training_settings.fec_enable)
 		fec_enable = *link->preferred_training_settings.fec_enable;
 	else
 		fec_enable = true;
-- 
2.25.0

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[PATCH v2 2/2] drm/amd/display: dc_link: code clean up on detect_dp function

[Melissa Wen]

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@gmail.com>
---
 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 eb9894e416ed..549bea1d725c 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);
@@ -609,9 +609,8 @@ 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
@@ -640,13 +639,10 @@ 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;
@@ -654,7 +650,7 @@ 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) {
@@ -665,14 +661,15 @@ 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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Re: [PATCH v2 0/2] drm/amd/display: dc_link: cleaning up some code style issues

[Rodrigo Siqueira]

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Applied!

Thanks

On 02/28, Melissa Wen wrote:
> This patchset solves some coding style issues on dc_link for readability
> and cleaning up warnings. Change suggested by checkpatch.pl.
> 
> Changes in v2:
> - Apply patches to the right amdgpu repository.
> - Remove unnecessary {} added in the previous version.
> 
> Melissa Wen (2):
>   drm/amd/display: dc_link: code clean up on enable_link_dp function
>   drm/amd/display: dc_link: code clean up on detect_dp function
> 
>  drivers/gpu/drm/amd/display/dc/core/dc_link.c | 64 +++++++++----------
>  1 file changed, 30 insertions(+), 34 deletions(-)
> 
> -- 
> 2.25.0
> 

-- 
Rodrigo Siqueira
https://siqueira.tech

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