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Wed, 21 Aug 2024 13:04:23 +0000 From: Thomas Zimmermann To: daniel@ffwll.ch, airlied@gmail.com, jfalempe@redhat.com, javierm@redhat.com Cc: dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, nouveau@lists.freedesktop.org, Thomas Zimmermann , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , Lucas De Marchi , =?utf-8?q?Thomas_Hellstr=C3=B6m?= Subject: [PATCH v2 81/86] drm/i915: Move custom restore code into separate callback Date: Wed, 21 Aug 2024 15:00:18 +0200 Message-ID: <20240821130348.73038-82-tzimmermann@suse.de> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240821130348.73038-1-tzimmermann@suse.de> References: <20240821130348.73038-1-tzimmermann@suse.de> MIME-Version: 1.0 X-Rspamd-Queue-Id: 6A9D1200A0 X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; 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)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCPT_COUNT_TWELVE(0.00)[16]; MIME_TRACE(0.00)[0:+]; FREEMAIL_TO(0.00)[ffwll.ch,gmail.com,redhat.com]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCVD_TLS_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; R_RATELIMIT(0.00)[to(RLazpx1r3qpnsfr8nfakn),to_ip_from(RLgk4u1ri6nhg6f1rtzmk7keyw)]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo,suse.de:dkim,suse.de:mid,suse.de:email]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DKIM_TRACE(0.00)[suse.de:+] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" i915's fbdev contains additional code for restoring the client that cannot be ported to the common fbdev client. Introduce the callback struct drm_fb_helper.fb_restore and implement it for i915. The fbdev helpers invoke the callback after restoring the fbdev client. Signed-off-by: Thomas Zimmermann Cc: Jani Nikula Cc: Rodrigo Vivi Cc: Joonas Lahtinen Cc: Tvrtko Ursulin Cc: Lucas De Marchi Cc: "Thomas Hellström" --- drivers/gpu/drm/drm_fb_helper.c | 3 +++ drivers/gpu/drm/i915/display/intel_fbdev.c | 12 ++++++++++-- include/drm/drm_fb_helper.h | 13 +++++++++++++ 3 files changed, 26 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 44bc92caf58a..b593f6ccd404 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -245,6 +245,9 @@ __drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper, if (do_delayed) drm_fb_helper_hotplug_event(fb_helper); + if (fb_helper->funcs->fb_restore) + fb_helper->funcs->fb_restore(fb_helper); + return ret; } diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index 9ece62783ce1..c03fb00002a4 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -296,9 +296,19 @@ static int intelfb_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *cli return 0; } +static void intelfb_restore(struct drm_fb_helper *fb_helper) +{ + struct drm_device *dev = fb_helper->client.dev; + struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_fbdev *ifbdev = dev_priv->display.fbdev.fbdev; + + intel_fbdev_invalidate(ifbdev); +} + static const struct drm_fb_helper_funcs intel_fb_helper_funcs = { .fb_probe = intelfb_create, .fb_dirty = intelfb_dirty, + .fb_restore = intelfb_restore, }; /* @@ -582,8 +592,6 @@ static int intel_fbdev_restore_mode(struct drm_i915_private *dev_priv) if (ret) return ret; - intel_fbdev_invalidate(ifbdev); - return 0; } diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 699f2790b9ac..34eb77c18a13 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -99,6 +99,19 @@ struct drm_fb_helper_funcs { * 0 on success, or an error code otherwise. */ int (*fb_dirty)(struct drm_fb_helper *helper, struct drm_clip_rect *clip); + + /** + * @fb_restore: + * + * Driver callback to restore internal fbdev state. If set, fbdev + * emulation will invoke this callback after restoring the display + * mode. + * + * Only for i915. Do not use in new code. + * + * TODO: Fix i915 to not require this callback. + */ + void (*fb_restore)(struct drm_fb_helper *helper); }; /**