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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; 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)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_RATELIMITED(0.00)[rspamd.com]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[38]; MIME_TRACE(0.00)[0:+]; FREEMAIL_CC(0.00)[linux.intel.com,gmail.com,ffwll.ch,lwn.net,linuxfoundation.org,oss.qualcomm.com,iki.fi,ideasonboard.com,intel.com,linaro.org,kernel.org,kwiboo.se,emersion.fr,amd.com,igalia.com,redhat.com,ursulin.net,sholland.org,raspberrypi.com,lists.freedesktop.org,vger.kernel.org,collabora.com,lists.infradead.org,lists.linux.dev]; RCVD_TLS_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TAGGED_RCPT(0.00)[renesas]; MID_RHS_MATCH_FROM(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RL7gneoo7ydcsn9o76mxr5d8pb)]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:mid,suse.com:url,imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns] X-Rspamd-Action: no action X-Spam-Flag: NO X-Spam-Score: -3.01 X-Spam-Level: X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Queue-Id: 836186A8E7 Hi Am 21.04.26 um 15:18 schrieb Maxime Ripard: > Hi Thomas, > > On Tue, Apr 21, 2026 at 03:08:03PM +0200, Thomas Zimmermann wrote: >> Hi >> >> Am 20.03.26 um 17:27 schrieb Maxime Ripard: >>> drm_mode_config_reset() does not reset drm_private_states by design. >>> >>> This is especially significant for the DP MST and tunneling code that >>> expect to be preserved across a suspend/resume cycle, where >>> drm_mode_config_reset() is also used. >> Do we really? There's drm_mode_config_helper_suspend/resume(). Why would >> drivers do a drm_mode_config_reset(). > drm_mode_config_helper_resume() will call drm_atomic_helper_resume() > that call drm_mode_config_reset(). So (most) drivers will not directly > call it, but it is going to be called still. I see, thanks. I guess you're right when you say that drm_mode_config_reset() is overloaded. LOL. Best regards Thomas > > Maxime -- -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstr. 146, 90461 Nürnberg, Germany, www.suse.com GF: Jochen Jaser, Andrew McDonald, Werner Knoblich, (HRB 36809, AG Nürnberg)