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RCVD_VIA_SMTP_AUTH(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Rspamd-Queue-Id: 2C9325BCD7 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" Add callbacks for suspending and resuming to the sysfb drivers. The helpers store and restore DRM state across the suspend/resume cycle. While most hardware loses the system framebuffer setup on suspends, some systems do retain the configuration; notable emulators. Adding PM support makes it work with DRM. Tested with vesadrm on qemu's bochs device. Thomas Zimmermann (5): drm/sysfb: corebootdrm: Support power management drm/sysfb: efidrm: Support power management drm/sysfb: ofdrm: Support power management drm/sysfb: simpledrm: Support power management drm/sysfb: vesadrm: Support power management drivers/gpu/drm/sysfb/corebootdrm.c | 21 +++++++++++++++++++++ drivers/gpu/drm/sysfb/efidrm.c | 19 +++++++++++++++++++ drivers/gpu/drm/sysfb/ofdrm.c | 19 +++++++++++++++++++ drivers/gpu/drm/sysfb/simpledrm.c | 21 +++++++++++++++++++++ drivers/gpu/drm/sysfb/vesadrm.c | 19 +++++++++++++++++++ 5 files changed, 99 insertions(+) -- 2.53.0