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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-4.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_DN_ALL(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; FUZZY_BLOCKED(0.00)[rspamd.com]; ARC_NA(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCPT_COUNT_TWELVE(0.00)[25]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_CC(0.00)[amd.com,gmail.com,ffwll.ch,wunner.de,linux.intel.com,kernel.org,infradead.org,8bytes.org,arm.com,redhat.com,perex.cz,suse.com,lists.freedesktop.org,vger.kernel.org,lists.linux.dev,nvidia.com]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; DKIM_TRACE(0.00)[suse.de:+]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:mid,imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,amd.com:email] X-Spam-Level: X-Spam-Flag: NO X-Rspamd-Queue-Id: AF4E01F7E5 X-Rspamd-Action: no action X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Score: -4.51 Hi Am 20.06.25 um 04:49 schrieb Mario Limonciello: > From: Mario Limonciello > > Knowing which device is the primary device can be useful for userspace > to make decisions on which device to start a display server. > > Create a link to that device called 'primary_device'. > > Signed-off-by: Mario Limonciello > --- > drivers/video/fbdev/core/fbcon.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c > index 2df48037688d1..46f21570723e5 100644 > --- a/drivers/video/fbdev/core/fbcon.c > +++ b/drivers/video/fbdev/core/fbcon.c You cannot rely on this, as fbcon might be disabled entirely. Best regards Thomas > @@ -2934,7 +2934,7 @@ static void fbcon_select_primary(struct fb_info *info) > { > if (!map_override && primary_device == -1 && > video_is_primary_device(info->device)) { > - int i; > + int i, r; > > printk(KERN_INFO "fbcon: %s (fb%i) is primary device\n", > info->fix.id, info->node); > @@ -2949,6 +2949,10 @@ static void fbcon_select_primary(struct fb_info *info) > first_fb_vc + 1, last_fb_vc + 1); > info_idx = primary_device; > } > + r = sysfs_create_link(&fbcon_device->kobj, &info->device->kobj, > + "primary_device"); > + if (r) > + pr_err("fbcon: Failed to link to primary device: %d\n", r); > } > > } > @@ -3376,6 +3380,10 @@ void __init fb_console_init(void) > > void __exit fb_console_exit(void) > { > +#ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY > + if (primary_device != -1) > + sysfs_remove_link(&fbcon_device->kobj, "primary_device"); > +#endif > #ifdef CONFIG_FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER > console_lock(); > if (deferred_takeover) -- -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstrasse 146, 90461 Nuernberg, Germany GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman HRB 36809 (AG Nuernberg)