linux-kernel - [PATCH] drm/amd/display: Remove redundant ternary operators

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Message-Id: <20250904071024.248230-1-liaoyuanhong@vivo.com>
Date: Thu,  4 Sep 2025 15:10:15 +0800
From: Liao Yuanhong <liaoyuanhong@...o.com>
To: Harry Wentland <harry.wentland@....com>,
	Leo Li <sunpeng.li@....com>,
	Rodrigo Siqueira <siqueira@...lia.com>,
	Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Austin Zheng <austin.zheng@....com>,
	Jun Lei <jun.lei@....com>,
	Peichen Huang <PeiChen.Huang@....com>,
	Meenakshikumar Somasundaram <meenakshikumar.somasundaram@....com>,
	Wenjing Liu <wenjing.liu@....com>,
	Roman Li <roman.li@....com>,
	po-tchen <robin.chen@....com>,
	Anthony Koo <anthony.koo@....com>,
	Harold Sun <Harold.Sun@....com>,
	"Dr. David Alan Gilbert" <linux@...blig.org>,
	Dillon Varone <dillon.varone@....com>,
	Weiguang Li <wei-guang.li@....com>,
	Charlene Liu <Charlene.Liu@....com>,
	amd-gfx@...ts.freedesktop.org (open list:AMD DISPLAY CORE),
	dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS),
	linux-kernel@...r.kernel.org (open list)
Cc: Liao Yuanhong <liaoyuanhong@...o.com>
Subject: [PATCH] drm/amd/display: Remove redundant ternary operators

For ternary operators in the form of "a ? true : false" or
"a ? false : true", if 'a' itself returns a boolean result, the ternary
operator can be omitted. Remove redundant ternary operators to clean up the
code.

Signed-off-by: Liao Yuanhong <liaoyuanhong@...o.com>
---
 drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_link_encoder.c | 2 +-
 .../drm/amd/display/dc/dio/dcn35/dcn35_dio_stream_encoder.c   | 2 +-
 drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c            | 2 +-
 drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c      | 3 +--
 drivers/gpu/drm/amd/display/modules/freesync/freesync.c       | 4 ++--
 5 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_link_encoder.c
index e0558a78b11c..1c1228116487 100644
--- a/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_link_encoder.c
@@ -812,7 +812,7 @@ bool dcn10_link_encoder_validate_output_with_stream(
 					enc10, &stream->timing);
 	break;
 	case SIGNAL_TYPE_EDP:
-		is_valid = (stream->timing.pixel_encoding == PIXEL_ENCODING_RGB) ? true : false;
+		is_valid = stream->timing.pixel_encoding == PIXEL_ENCODING_RGB;
 	break;
 	case SIGNAL_TYPE_VIRTUAL:
 		is_valid = true;
diff --git a/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_stream_encoder.c
index 6ab2a218b769..6f30b6cc3c76 100644
--- a/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_stream_encoder.c
@@ -397,7 +397,7 @@ static bool enc35_is_fifo_enabled(struct stream_encoder *enc)
 	uint32_t reset_val;
 
 	REG_GET(DIG_FIFO_CTRL0, DIG_FIFO_ENABLE, &reset_val);
-	return (reset_val == 0) ? false : true;
+	return reset_val != 0;
 }
 void enc35_disable_fifo(struct stream_encoder *enc)
 {
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
index 0318260370ed..9deb03a18ccc 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
@@ -535,7 +535,7 @@ static bool dml2_validate_only(struct dc_state *context, enum dc_validate_mode v
 	if (result)
 		result = does_configuration_meet_sw_policies(dml2, &dml2->v20.scratch.cur_display_config, &dml2->v20.scratch.mode_support_info);
 
-	return (result == 1) ? true : false;
+	return result == 1;
 }
 
 static void dml2_apply_debug_options(const struct dc *dc, struct dml2_context *dml2)
diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
index b68bcc9fca0a..892907991f91 100644
--- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
+++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
@@ -138,8 +138,7 @@ void setup_dio_stream_attribute(struct pipe_ctx *pipe_ctx)
 		stream_encoder->funcs->dvi_set_stream_attribute(
 				stream_encoder,
 				&stream->timing,
-				(stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) ?
-						true : false);
+				stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK);
 	else if (dc_is_lvds_signal(stream->signal))
 		stream_encoder->funcs->lvds_set_stream_attribute(
 				stream_encoder,
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 71efd2770c99..ce421bcddcb0 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -226,8 +226,8 @@ static void update_v_total_for_static_ramp(
 	unsigned int target_duration_in_us =
 			calc_duration_in_us_from_refresh_in_uhz(
 				in_out_vrr->fixed.target_refresh_in_uhz);
-	bool ramp_direction_is_up = (current_duration_in_us >
-				target_duration_in_us) ? true : false;
+	bool ramp_direction_is_up = current_duration_in_us >
+				target_duration_in_us;
 
 	/* Calculate ratio between new and current frame duration with 3 digit */
 	unsigned int frame_duration_ratio = div64_u64(1000000,
-- 
2.34.1