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fbdev/sh_mobile: remove sh_mobile_lcdc_display_notify

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It's dead code, and removing it avoids me having to understand
what it's doing with lock_fb_info.

v2: Also remove sh_mobile_lcdc_must_reconfigure, now unused (Sam).

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> (v1)
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528090304.9388-12-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2019-05-28 11:02:42 +02:00
parent 97b67986f1
commit 0fe66f327c
2 changed files with 0 additions and 87 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
drivers/video/fbdev/sh_mobile_lcdcfb.c
View File

@ -534,89 +534,9 @@ static void sh_mobile_lcdc_display_off(struct sh_mobile_lcdc_chan *ch)
ch->tx_dev->ops->display_off(ch->tx_dev);
}
static bool
sh_mobile_lcdc_must_reconfigure(struct sh_mobile_lcdc_chan *ch,
const struct fb_videomode *new_mode)
{
dev_dbg(ch->info->dev, "Old %ux%u, new %ux%u\n",
ch->display.mode.xres, ch->display.mode.yres,
new_mode->xres, new_mode->yres);
/* It can be a different monitor with an equal video-mode */
if (fb_mode_is_equal(&ch->display.mode, new_mode))
return false;
dev_dbg(ch->info->dev, "Switching %u -> %u lines\n",
ch->display.mode.yres, new_mode->yres);
ch->display.mode = *new_mode;
return true;
}
static int sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var,
struct fb_info *info);
static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch,
enum sh_mobile_lcdc_entity_event event,
const struct fb_videomode *mode,
const struct fb_monspecs *monspec)
{
struct fb_info *info = ch->info;
struct fb_var_screeninfo var;
int ret = 0;
switch (event) {
case SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT:
/* HDMI plug in */
console_lock();
if (lock_fb_info(info)) {
ch->display.width = monspec->max_x * 10;
ch->display.height = monspec->max_y * 10;
if (!sh_mobile_lcdc_must_reconfigure(ch, mode) &&
info->state == FBINFO_STATE_RUNNING) {
/* First activation with the default monitor.
* Just turn on, if we run a resume here, the
* logo disappears.
*/
info->var.width = ch->display.width;
info->var.height = ch->display.height;
sh_mobile_lcdc_display_on(ch);
} else {
/* New monitor or have to wake up */
fb_set_suspend(info, 0);
}
unlock_fb_info(info);
}
console_unlock();
break;
case SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT:
/* HDMI disconnect */
console_lock();
if (lock_fb_info(info)) {
fb_set_suspend(info, 1);
unlock_fb_info(info);
}
console_unlock();
break;
case SH_MOBILE_LCDC_EVENT_DISPLAY_MODE:
/* Validate a proposed new mode */
fb_videomode_to_var(&var, mode);
var.bits_per_pixel = info->var.bits_per_pixel;
var.grayscale = info->var.grayscale;
ret = sh_mobile_lcdc_check_var(&var, info);
break;
}
return ret;
}
/* -----------------------------------------------------------------------------
* Format helpers
*/
@ -2540,8 +2460,6 @@ sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch)
unsigned int max_size;
unsigned int i;
ch->notify = sh_mobile_lcdc_display_notify;
/* Validate the format. */
format = sh_mobile_format_info(cfg->fourcc);
if (format == NULL) {

5
drivers/video/fbdev/sh_mobile_lcdcfb.h
View File

@ -87,11 +87,6 @@ struct sh_mobile_lcdc_chan {
unsigned long base_addr_c;
unsigned int line_size;
int (*notify)(struct sh_mobile_lcdc_chan *ch,
enum sh_mobile_lcdc_entity_event event,
const struct fb_videomode *mode,
const struct fb_monspecs *monspec);
/* Backlight */
struct backlight_device *bl;
unsigned int bl_brightness;