[4/6] fbcon: fbcon_is_inactive() -> fbcon_is_active()

Message ID	20240923155749.30846-5-ville.syrjala@linux.intel.com (mailing list archive)
State	New
Headers	show Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 39F5C19CC0D for <linux-fbdev@vger.kernel.org>; Mon, 23 Sep 2024 15:58:07 +0000 (UTC) From: Ville Syrjala <ville.syrjala@linux.intel.com> To: linux-fbdev@vger.kernel.org Cc: Helge Deller <deller@gmx.de>, Simona Vetter <simona@ffwll.ch>, dri-devel@lists.freedesktop.org Subject: [PATCH 4/6] fbcon: fbcon_is_inactive() -> fbcon_is_active() Date: Mon, 23 Sep 2024 18:57:47 +0300 Message-ID: <20240923155749.30846-5-ville.syrjala@linux.intel.com> In-Reply-To: <20240923155749.30846-1-ville.syrjala@linux.intel.com> References: <20240923155749.30846-1-ville.syrjala@linux.intel.com> Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit
Series	fbcon: Fix 'cursor_blink' sysfs attribute \| expand [0/6] fbcon: Fix 'cursor_blink' sysfs attribute [1/6] fbcon: Make cursor_blink=0 work when configured before fb devices appear [2/6] fbcon: Add sysfs attributes before registering the device [3/6] fbcon: fbcon_cursor_noblink -> fbcon_cursor_blink [4/6] fbcon: fbcon_is_inactive() -> fbcon_is_active() [5/6] fbcon: Introduce get_{fg,bg}_color() [6/6] fbcon: Use 'bool' where appopriate

Message ID

20240923155749.30846-5-ville.syrjala@linux.intel.com (mailing list archive)

State

New

Headers

From: Ville Syrjala <ville.syrjala@linux.intel.com>
To: linux-fbdev@vger.kernel.org
Cc: Helge Deller <deller@gmx.de>,
	Simona Vetter <simona@ffwll.ch>,
	dri-devel@lists.freedesktop.org
Subject: [PATCH 4/6] fbcon: fbcon_is_inactive() -> fbcon_is_active()
Date: Mon, 23 Sep 2024 18:57:47 +0300
Message-ID: <20240923155749.30846-5-ville.syrjala@linux.intel.com>
In-Reply-To: <20240923155749.30846-1-ville.syrjala@linux.intel.com>
References: <20240923155749.30846-1-ville.syrjala@linux.intel.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Series

fbcon: Fix 'cursor_blink' sysfs attribute | expand

Commit Message

Ville Syrjälä Sept. 23, 2024, 3:57 p.m. UTC

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Invert fbcon_is_inactive() into fbcon_is_active(). Much easier
on the poor brain when you don't have to do dobule negations
all over the place.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/video/fbdev/core/fbcon.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

Comments

Helge Deller Sept. 23, 2024, 7:44 p.m. UTC | #1

On 9/23/24 17:57, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> Invert fbcon_is_inactive() into fbcon_is_active(). Much easier
> on the poor brain when you don't have to do dobule negations
> all over the place.

Agreed.
Acked-by: Helge Deller <deller@gmx.de>


> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
>   drivers/video/fbdev/core/fbcon.c | 30 +++++++++++++++---------------
>   1 file changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
> index eb30aa872371..2a78cca3e9de 100644
> --- a/drivers/video/fbdev/core/fbcon.c
> +++ b/drivers/video/fbdev/core/fbcon.c
> @@ -281,12 +281,12 @@ static bool fbcon_skip_panic(struct fb_info *info)
>   #endif
>   }
>
> -static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)
> +static inline int fbcon_is_active(struct vc_data *vc, struct fb_info *info)
>   {
>   	struct fbcon_ops *ops = info->fbcon_par;
>
> -	return (info->state != FBINFO_STATE_RUNNING ||
> -		vc->vc_mode != KD_TEXT || ops->graphics || fbcon_skip_panic(info));
> +	return info->state == FBINFO_STATE_RUNNING &&
> +		vc->vc_mode == KD_TEXT && !ops->graphics && !fbcon_skip_panic(info);
>   }
>
>   static int get_color(struct vc_data *vc, struct fb_info *info,
> @@ -1253,7 +1253,7 @@ static void __fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   	u_int y_break;
>
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return;
>
>   	if (!height || !width)
> @@ -1295,7 +1295,7 @@ static void fbcon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   	struct fbcon_ops *ops = info->fbcon_par;
>
> -	if (!fbcon_is_inactive(vc, info))
> +	if (fbcon_is_active(vc, info))
>   		ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
>   			   get_color(vc, info, scr_readw(s), 1),
>   			   get_color(vc, info, scr_readw(s), 0));
> @@ -1306,7 +1306,7 @@ static void fbcon_clear_margins(struct vc_data *vc, int bottom_only)
>   	struct fb_info *info = fbcon_info_from_console(vc->vc_num);
>   	struct fbcon_ops *ops = info->fbcon_par;
>
> -	if (!fbcon_is_inactive(vc, info))
> +	if (fbcon_is_active(vc, info))
>   		ops->clear_margins(vc, info, margin_color, bottom_only);
>   }
>
> @@ -1318,7 +1318,7 @@ static void fbcon_cursor(struct vc_data *vc, bool enable)
>
>   	ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms);
>
> -	if (fbcon_is_inactive(vc, info) || vc->vc_deccm != 1)
> +	if (!fbcon_is_active(vc, info) || vc->vc_deccm != 1)
>   		return;
>
>   	if (vc->vc_cursor_type & CUR_SW)
> @@ -1724,7 +1724,7 @@ static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx,
>   	struct fb_info *info = fbcon_info_from_console(vc->vc_num);
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return;
>
>   	if (!width || !height)
> @@ -1748,7 +1748,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   	int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK;
>
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return true;
>
>   	fbcon_cursor(vc, false);
> @@ -2132,7 +2132,7 @@ static bool fbcon_switch(struct vc_data *vc)
>   			fbcon_del_cursor_work(old_info);
>   	}
>
> -	if (fbcon_is_inactive(vc, info) ||
> +	if (!fbcon_is_active(vc, info) ||
>   	    ops->blank_state != FB_BLANK_UNBLANK)
>   		fbcon_del_cursor_work(info);
>   	else
> @@ -2172,7 +2172,7 @@ static bool fbcon_switch(struct vc_data *vc)
>   	scrollback_max = 0;
>   	scrollback_current = 0;
>
> -	if (!fbcon_is_inactive(vc, info)) {
> +	if (fbcon_is_active(vc, info)) {
>   	    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
>   	    ops->update_start(info);
>   	}
> @@ -2228,7 +2228,7 @@ static bool fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
>   		}
>   	}
>
> - 	if (!fbcon_is_inactive(vc, info)) {
> +	if (fbcon_is_active(vc, info)) {
>   		if (ops->blank_state != blank) {
>   			ops->blank_state = blank;
>   			fbcon_cursor(vc, !blank);
> @@ -2242,7 +2242,7 @@ static bool fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
>   			update_screen(vc);
>   	}
>
> -	if (mode_switch || fbcon_is_inactive(vc, info) ||
> +	if (mode_switch || !fbcon_is_active(vc, info) ||
>   	    ops->blank_state != FB_BLANK_UNBLANK)
>   		fbcon_del_cursor_work(info);
>   	else
> @@ -2572,7 +2572,7 @@ static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table)
>   	int i, j, k, depth;
>   	u8 val;
>
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return;
>
>   	if (!con_is_visible(vc))
> @@ -2672,7 +2672,7 @@ static void fbcon_modechanged(struct fb_info *info)
>   		scrollback_max = 0;
>   		scrollback_current = 0;
>
> -		if (!fbcon_is_inactive(vc, info)) {
> +		if (fbcon_is_active(vc, info)) {
>   		    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
>   		    ops->update_start(info);
>   		}

Thomas Zimmermann Sept. 24, 2024, 7:37 a.m. UTC | #2

Am 23.09.24 um 17:57 schrieb Ville Syrjala:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> Invert fbcon_is_inactive() into fbcon_is_active(). Much easier
> on the poor brain when you don't have to do dobule negations
> all over the place.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>

> ---
>   drivers/video/fbdev/core/fbcon.c | 30 +++++++++++++++---------------
>   1 file changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
> index eb30aa872371..2a78cca3e9de 100644
> --- a/drivers/video/fbdev/core/fbcon.c
> +++ b/drivers/video/fbdev/core/fbcon.c
> @@ -281,12 +281,12 @@ static bool fbcon_skip_panic(struct fb_info *info)
>   #endif
>   }
>   
> -static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)
> +static inline int fbcon_is_active(struct vc_data *vc, struct fb_info *info)
>   {
>   	struct fbcon_ops *ops = info->fbcon_par;
>   
> -	return (info->state != FBINFO_STATE_RUNNING ||
> -		vc->vc_mode != KD_TEXT || ops->graphics || fbcon_skip_panic(info));
> +	return info->state == FBINFO_STATE_RUNNING &&
> +		vc->vc_mode == KD_TEXT && !ops->graphics && !fbcon_skip_panic(info);
>   }
>   
>   static int get_color(struct vc_data *vc, struct fb_info *info,
> @@ -1253,7 +1253,7 @@ static void __fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   	u_int y_break;
>   
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return;
>   
>   	if (!height || !width)
> @@ -1295,7 +1295,7 @@ static void fbcon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   	struct fbcon_ops *ops = info->fbcon_par;
>   
> -	if (!fbcon_is_inactive(vc, info))
> +	if (fbcon_is_active(vc, info))
>   		ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
>   			   get_color(vc, info, scr_readw(s), 1),
>   			   get_color(vc, info, scr_readw(s), 0));
> @@ -1306,7 +1306,7 @@ static void fbcon_clear_margins(struct vc_data *vc, int bottom_only)
>   	struct fb_info *info = fbcon_info_from_console(vc->vc_num);
>   	struct fbcon_ops *ops = info->fbcon_par;
>   
> -	if (!fbcon_is_inactive(vc, info))
> +	if (fbcon_is_active(vc, info))
>   		ops->clear_margins(vc, info, margin_color, bottom_only);
>   }
>   
> @@ -1318,7 +1318,7 @@ static void fbcon_cursor(struct vc_data *vc, bool enable)
>   
>   	ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms);
>   
> -	if (fbcon_is_inactive(vc, info) || vc->vc_deccm != 1)
> +	if (!fbcon_is_active(vc, info) || vc->vc_deccm != 1)
>   		return;
>   
>   	if (vc->vc_cursor_type & CUR_SW)
> @@ -1724,7 +1724,7 @@ static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx,
>   	struct fb_info *info = fbcon_info_from_console(vc->vc_num);
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return;
>   
>   	if (!width || !height)
> @@ -1748,7 +1748,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   	int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK;
>   
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return true;
>   
>   	fbcon_cursor(vc, false);
> @@ -2132,7 +2132,7 @@ static bool fbcon_switch(struct vc_data *vc)
>   			fbcon_del_cursor_work(old_info);
>   	}
>   
> -	if (fbcon_is_inactive(vc, info) ||
> +	if (!fbcon_is_active(vc, info) ||
>   	    ops->blank_state != FB_BLANK_UNBLANK)
>   		fbcon_del_cursor_work(info);
>   	else
> @@ -2172,7 +2172,7 @@ static bool fbcon_switch(struct vc_data *vc)
>   	scrollback_max = 0;
>   	scrollback_current = 0;
>   
> -	if (!fbcon_is_inactive(vc, info)) {
> +	if (fbcon_is_active(vc, info)) {
>   	    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
>   	    ops->update_start(info);
>   	}
> @@ -2228,7 +2228,7 @@ static bool fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
>   		}
>   	}
>   
> - 	if (!fbcon_is_inactive(vc, info)) {
> +	if (fbcon_is_active(vc, info)) {
>   		if (ops->blank_state != blank) {
>   			ops->blank_state = blank;
>   			fbcon_cursor(vc, !blank);
> @@ -2242,7 +2242,7 @@ static bool fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
>   			update_screen(vc);
>   	}
>   
> -	if (mode_switch || fbcon_is_inactive(vc, info) ||
> +	if (mode_switch || !fbcon_is_active(vc, info) ||
>   	    ops->blank_state != FB_BLANK_UNBLANK)
>   		fbcon_del_cursor_work(info);
>   	else
> @@ -2572,7 +2572,7 @@ static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table)
>   	int i, j, k, depth;
>   	u8 val;
>   
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return;
>   
>   	if (!con_is_visible(vc))
> @@ -2672,7 +2672,7 @@ static void fbcon_modechanged(struct fb_info *info)
>   		scrollback_max = 0;
>   		scrollback_current = 0;
>   
> -		if (!fbcon_is_inactive(vc, info)) {
> +		if (fbcon_is_active(vc, info)) {
>   		    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
>   		    ops->update_start(info);
>   		}

diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index eb30aa872371..2a78cca3e9de 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -281,12 +281,12 @@  static bool fbcon_skip_panic(struct fb_info *info)
 #endif
 }
 
-static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)
+static inline int fbcon_is_active(struct vc_data *vc, struct fb_info *info)
 {
 	struct fbcon_ops *ops = info->fbcon_par;
 
-	return (info->state != FBINFO_STATE_RUNNING ||
-		vc->vc_mode != KD_TEXT || ops->graphics || fbcon_skip_panic(info));
+	return info->state == FBINFO_STATE_RUNNING &&
+		vc->vc_mode == KD_TEXT && !ops->graphics && !fbcon_skip_panic(info);
 }
 
 static int get_color(struct vc_data *vc, struct fb_info *info,
@@ -1253,7 +1253,7 @@  static void __fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
 	struct fbcon_display *p = &fb_display[vc->vc_num];
 	u_int y_break;
 
-	if (fbcon_is_inactive(vc, info))
+	if (!fbcon_is_active(vc, info))
 		return;
 
 	if (!height || !width)
@@ -1295,7 +1295,7 @@  static void fbcon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
 	struct fbcon_display *p = &fb_display[vc->vc_num];
 	struct fbcon_ops *ops = info->fbcon_par;
 
-	if (!fbcon_is_inactive(vc, info))
+	if (fbcon_is_active(vc, info))
 		ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
 			   get_color(vc, info, scr_readw(s), 1),
 			   get_color(vc, info, scr_readw(s), 0));
@@ -1306,7 +1306,7 @@  static void fbcon_clear_margins(struct vc_data *vc, int bottom_only)
 	struct fb_info *info = fbcon_info_from_console(vc->vc_num);
 	struct fbcon_ops *ops = info->fbcon_par;
 
-	if (!fbcon_is_inactive(vc, info))
+	if (fbcon_is_active(vc, info))
 		ops->clear_margins(vc, info, margin_color, bottom_only);
 }
 
@@ -1318,7 +1318,7 @@  static void fbcon_cursor(struct vc_data *vc, bool enable)
 
 	ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms);
 
-	if (fbcon_is_inactive(vc, info) || vc->vc_deccm != 1)
+	if (!fbcon_is_active(vc, info) || vc->vc_deccm != 1)
 		return;
 
 	if (vc->vc_cursor_type & CUR_SW)
@@ -1724,7 +1724,7 @@  static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx,
 	struct fb_info *info = fbcon_info_from_console(vc->vc_num);
 	struct fbcon_display *p = &fb_display[vc->vc_num];
 
-	if (fbcon_is_inactive(vc, info))
+	if (!fbcon_is_active(vc, info))
 		return;
 
 	if (!width || !height)
@@ -1748,7 +1748,7 @@  static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
 	struct fbcon_display *p = &fb_display[vc->vc_num];
 	int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK;
 
-	if (fbcon_is_inactive(vc, info))
+	if (!fbcon_is_active(vc, info))
 		return true;
 
 	fbcon_cursor(vc, false);
@@ -2132,7 +2132,7 @@  static bool fbcon_switch(struct vc_data *vc)
 			fbcon_del_cursor_work(old_info);
 	}
 
-	if (fbcon_is_inactive(vc, info) ||
+	if (!fbcon_is_active(vc, info) ||
 	    ops->blank_state != FB_BLANK_UNBLANK)
 		fbcon_del_cursor_work(info);
 	else
@@ -2172,7 +2172,7 @@  static bool fbcon_switch(struct vc_data *vc)
 	scrollback_max = 0;
 	scrollback_current = 0;
 
-	if (!fbcon_is_inactive(vc, info)) {
+	if (fbcon_is_active(vc, info)) {
 	    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
 	    ops->update_start(info);
 	}
@@ -2228,7 +2228,7 @@  static bool fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
 		}
 	}
 
- 	if (!fbcon_is_inactive(vc, info)) {
+	if (fbcon_is_active(vc, info)) {
 		if (ops->blank_state != blank) {
 			ops->blank_state = blank;
 			fbcon_cursor(vc, !blank);
@@ -2242,7 +2242,7 @@  static bool fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
 			update_screen(vc);
 	}
 
-	if (mode_switch || fbcon_is_inactive(vc, info) ||
+	if (mode_switch || !fbcon_is_active(vc, info) ||
 	    ops->blank_state != FB_BLANK_UNBLANK)
 		fbcon_del_cursor_work(info);
 	else
@@ -2572,7 +2572,7 @@  static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table)
 	int i, j, k, depth;
 	u8 val;
 
-	if (fbcon_is_inactive(vc, info))
+	if (!fbcon_is_active(vc, info))
 		return;
 
 	if (!con_is_visible(vc))
@@ -2672,7 +2672,7 @@  static void fbcon_modechanged(struct fb_info *info)
 		scrollback_max = 0;
 		scrollback_current = 0;
 
-		if (!fbcon_is_inactive(vc, info)) {
+		if (fbcon_is_active(vc, info)) {
 		    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
 		    ops->update_start(info);
 		}

[4/6] fbcon: fbcon_is_inactive() -> fbcon_is_active()

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