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vgaswitcheroo: call fbcon_remap_all directly

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While at it, clean up the interface a bit and push the console locking
into fbcon.c.

v2: Remove now outdated comment (Lukas).

v3: Forgot to add static inline to the dummy function.

Acked-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Sean Paul <sean@poorly.run>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Yisheng Xie <ysxie@foxmail.com>
Cc: linux-fbdev@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20190528090304.9388-30-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2019-05-28 11:03:00 +02:00
parent 9e14670026
commit 1cd51b5d20
4 changed files with 10 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/vga/vga_switcheroo.c
View File

@ -35,6 +35,7 @@
#include <linux/debugfs.h>
#include <linux/fb.h>
#include <linux/fs.h>
#include <linux/fbcon.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pm_domain.h>
@ -736,14 +737,8 @@ static int vga_switchto_stage2(struct vga_switcheroo_client *new_client)
if (!active->driver_power_control)
set_audio_state(active->id, VGA_SWITCHEROO_OFF);
if (new_client->fb_info) {
struct fb_event event;
console_lock();
event.info = new_client->fb_info;
fb_notifier_call_chain(FB_EVENT_REMAP_ALL_CONSOLE, &event);
console_unlock();
}
if (new_client->fb_info)
fbcon_remap_all(new_client->fb_info);
mutex_lock(&vgasr_priv.mux_hw_lock);
ret = vgasr_priv.handler->switchto(new_client->id);

14
drivers/video/fbdev/core/fbcon.c
View File

@ -3149,17 +3149,16 @@ void fbcon_fb_unregistered(struct fb_info *info)
do_unregister_con_driver(&fb_con);
}
/* called with console_lock held */
static void fbcon_remap_all(int idx)
void fbcon_remap_all(struct fb_info *info)
{
int i;
WARN_CONSOLE_UNLOCKED();
int i, idx = info->node;
console_lock();
if (deferred_takeover) {
for (i = first_fb_vc; i <= last_fb_vc; i++)
con2fb_map_boot[i] = idx;
fbcon_map_override();
console_unlock();
return;
}
@ -3172,6 +3171,7 @@ static void fbcon_remap_all(int idx)
first_fb_vc + 1, last_fb_vc + 1);
info_idx = idx;
}
console_unlock();
}
#ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY
@ -3337,10 +3337,6 @@ static int fbcon_event_notify(struct notifier_block *self,
con2fb = event->data;
con2fb->framebuffer = con2fb_map[con2fb->console - 1];
break;
case FB_EVENT_REMAP_ALL_CONSOLE:
idx = info->node;
fbcon_remap_all(idx);
break;
}
return ret;
}

2
include/linux/fb.h
View File

@ -139,8 +139,6 @@ struct fb_cursor_user {
#define FB_EVENT_SET_CONSOLE_MAP 0x08
/* A display blank is requested */
#define FB_EVENT_BLANK 0x09
/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga_switcheroo */
#define FB_EVENT_REMAP_ALL_CONSOLE 0x0F
/* A hardware display blank early change occurred */
#define FB_EARLY_EVENT_BLANK 0x10
/* A hardware display blank revert early change occurred */

2
include/linux/fbcon.h
View File

@ -16,6 +16,7 @@ void fbcon_get_requirement(struct fb_info *info,
struct fb_blit_caps *caps);
void fbcon_fb_blanked(struct fb_info *info, int blank);
void fbcon_update_vcs(struct fb_info *info, bool all);
void fbcon_remap_all(struct fb_info *info);
#else
static inline void fb_console_init(void) {}
static inline void fb_console_exit(void) {}
@ -31,6 +32,7 @@ static inline void fbcon_get_requirement(struct fb_info *info,
struct fb_blit_caps *caps) {}
static inline void fbcon_fb_blanked(struct fb_info *info, int blank) {}
static inline void fbcon_update_vcs(struct fb_info *info, bool all) {}
static inline void fbcon_remap_all(struct fb_info *info) {}
#endif
#endif /* _LINUX_FBCON_H */