Convert analogix_dp_is_slave_video_stream_clock_on() and analogix_dp_is_video_stream_on() from int to bool return type.
This makes the code more readable and aligns with kernel best practices for boolean status checks, while simplifying the callers by removing unnecessary "== 0" comparisons. Signed-off-by: Damon Ding <[email protected]> --- drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 4 ++-- drivers/gpu/drm/bridge/analogix/analogix_dp_core.h | 4 ++-- drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 14 +++++++------- 3 files changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 8cf6b73bceac..573900c2cefc 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -619,7 +619,7 @@ static int analogix_dp_config_video(struct analogix_dp_device *dp) for (;;) { timeout_loop++; - if (analogix_dp_is_slave_video_stream_clock_on(dp) == 0) + if (analogix_dp_is_slave_video_stream_clock_on(dp)) break; if (timeout_loop > DP_TIMEOUT_LOOP_COUNT) { dev_err(dp->dev, "Timeout of slave video streamclk ok\n"); @@ -647,7 +647,7 @@ static int analogix_dp_config_video(struct analogix_dp_device *dp) for (;;) { timeout_loop++; - if (analogix_dp_is_video_stream_on(dp) == 0) { + if (analogix_dp_is_video_stream_on(dp)) { done_count++; if (done_count > 10) break; diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h index 17347448c6b0..94348c4e3623 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h @@ -211,7 +211,7 @@ void analogix_dp_reset_macro(struct analogix_dp_device *dp); void analogix_dp_init_video(struct analogix_dp_device *dp); void analogix_dp_set_video_color_format(struct analogix_dp_device *dp); -int analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp); +bool analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp); void analogix_dp_set_video_cr_mn(struct analogix_dp_device *dp, enum clock_recovery_m_value_type type, u32 m_value, @@ -220,7 +220,7 @@ void analogix_dp_set_video_timing_mode(struct analogix_dp_device *dp, u32 type); void analogix_dp_enable_video_master(struct analogix_dp_device *dp, bool enable); void analogix_dp_start_video(struct analogix_dp_device *dp); -int analogix_dp_is_video_stream_on(struct analogix_dp_device *dp); +bool analogix_dp_is_video_stream_on(struct analogix_dp_device *dp); void analogix_dp_config_video_slave_mode(struct analogix_dp_device *dp); void analogix_dp_enable_scrambling(struct analogix_dp_device *dp); void analogix_dp_disable_scrambling(struct analogix_dp_device *dp); diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index 38fd8d5014d2..f84c1d48d671 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -713,7 +713,7 @@ void analogix_dp_set_video_color_format(struct analogix_dp_device *dp) writel(reg, dp->reg_base + ANALOGIX_DP_VIDEO_CTL_3); } -int analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp) +bool analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp) { u32 reg; @@ -724,7 +724,7 @@ int analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp) if (!(reg & DET_STA)) { dev_dbg(dp->dev, "Input stream clock not detected.\n"); - return -EINVAL; + return false; } reg = readl(dp->reg_base + ANALOGIX_DP_SYS_CTL_2); @@ -735,10 +735,10 @@ int analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp) if (reg & CHA_STA) { dev_dbg(dp->dev, "Input stream clk is changing\n"); - return -EINVAL; + return false; } - return 0; + return true; } void analogix_dp_set_video_cr_mn(struct analogix_dp_device *dp, @@ -816,7 +816,7 @@ void analogix_dp_start_video(struct analogix_dp_device *dp) writel(reg, dp->reg_base + ANALOGIX_DP_VIDEO_CTL_1); } -int analogix_dp_is_video_stream_on(struct analogix_dp_device *dp) +bool analogix_dp_is_video_stream_on(struct analogix_dp_device *dp) { u32 reg; @@ -826,10 +826,10 @@ int analogix_dp_is_video_stream_on(struct analogix_dp_device *dp) reg = readl(dp->reg_base + ANALOGIX_DP_SYS_CTL_3); if (!(reg & STRM_VALID)) { dev_dbg(dp->dev, "Input video stream is not detected.\n"); - return -EINVAL; + return false; } - return 0; + return true; } void analogix_dp_config_video_slave_mode(struct analogix_dp_device *dp) -- 2.34.1
