<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> <div class="moz-cite-prefix">Am 25.07.2018 um 11:34 schrieb Paul Menzel: </div> <blockquote type="cite" cite="mid:1525c8cd-75b8-9b1b-1e43-ca18c5a507bb@molgen.mpg.de"> <pre wrap="">Dear Christian, On 07/25/18 10:34, Christian König wrote: </pre> <blockquote type="cite"> <pre wrap="">Am 25.07.2018 um 00:15 schrieb Paul Menzel: </pre> <blockquote type="cite"> <pre wrap="">From: Paul Menzel <a class="moz-txt-link-rfc2396E" href="mailto:pmenzel@molgen.mpg.de"><pmenzel@molgen.mpg.de></a> Date: Wed, 18 Jul 2018 18:15:44 +0200 Improve commit d796d844 (drm/radeon/kms: make hibernate work on IGPs) to only migrate VRAM objects if the Linux kernel is actually built with support for hibernation (suspend to disk). Link: <a class="moz-txt-link-freetext" href="https://bugs.freedesktop.org/show_bug.cgi?id=107277">https://bugs.freedesktop.org/show_bug.cgi?id=107277</a> Cc: <a class="moz-txt-link-abbreviated" href="mailto:stable@vger.kernel.org">stable@vger.kernel.org</a> Signed-off-by: Paul Menzel <a class="moz-txt-link-rfc2396E" href="mailto:pmenzel@molgen.mpg.de"><pmenzel@molgen.mpg.de></a> </pre> </blockquote> <pre wrap=""> At least a step into the right direction. </pre> </blockquote> <pre wrap=""> There is also the *nohibernate* keyword for the Linux command line.</pre> </blockquote> Well in general it would be better to get that information from the PM subsystem during suspend. IIRC in amdgpu we already distinct between suspend and freez in amdgpu_device_suspend(). So that information just needs to be passed on to amdgpu_evict_vram(). On radeon it is probably a bit more work to implement this. Regards, Christian. <blockquote type="cite" cite="mid:1525c8cd-75b8-9b1b-1e43-ca18c5a507bb@molgen.mpg.de"> <pre wrap=""> </pre> <blockquote type="cite"> <pre wrap="">nohibernate [HIBERNATION] Disable hibernation and resume. </pre> </blockquote> <pre wrap=""> I need to investigate, if that can be considered too. </pre> <blockquote type="cite"> <pre wrap="">Patch is Reviewed-by: Christian König <a class="moz-txt-link-rfc2396E" href="mailto:christian.koenig@amd.com"><christian.koenig@amd.com></a>, but we are also going to need one for amdgpu. </pre> </blockquote> <pre wrap=""> Indeed. I can prepare that too. Kind regards, Paul </pre> <fieldset class="mimeAttachmentHeader"></fieldset> <pre wrap="">_______________________________________________ amd-gfx mailing list <a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a> <a class="moz-txt-link-freetext" href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a> </pre> </blockquote> </body> </html>