<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [HSW/BDW/SKL] System boot up causes [drm:check_crtc_state [i915]] *ERROR* mismatch in ddi_pll_sel (expected 0x00000000, found 0x80000000)" href="https://bugs.freedesktop.org/show_bug.cgi?id=90410#c11">Comment # 11</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [HSW/BDW/SKL] System boot up causes [drm:check_crtc_state [i915]] *ERROR* mismatch in ddi_pll_sel (expected 0x00000000, found 0x80000000)" href="https://bugs.freedesktop.org/show_bug.cgi?id=90410">bug 90410</a> from <a class="email" href="mailto:yex.tian@intel.com" title="ye.tian <yex.tian@intel.com>"> ye.tian</a> <pre>(In reply to Ander Conselvan de Oliveira from <a href="show_bug.cgi?id=90410#c10">comment #10</a>) > (In reply to Ander Conselvan de Oliveira from <a href="show_bug.cgi?id=90410#c4">comment #4</a>) > > Created <a href="attachment.cgi?id=115732" name="attach_115732" title="Possible fix">attachment 115732</a> <a href="attachment.cgi?id=115732&action=edit" title="Possible fix">[details]</a> <a href='page.cgi?id=splinter.html&bug=90410&attachment=115732'>[review]</a> [review] [review] > > Possible fix > > So this is indeed the right fix. I sent it to mailing list for review. > > <a href="http://lists.freedesktop.org/archives/intel-gfx/2015-May/066726.html">http://lists.freedesktop.org/archives/intel-gfx/2015-May/066726.html</a> Test it on the latest nightly kernel with this patch, It does not exist on skl, but there are other error in dmesg. output: --------------------- [ 3.283878] [drm:check_crtc_state [i915]] *ERROR* mismatch in dpll_hw_state.ctrl1 (expected 0x00000000, found 0x00000001) [ 3.283880] ------------[ cut here ]------------ [ 3.283964] WARNING: CPU: 0 PID: 1291 at drivers/gpu/drm/i915/intel_display.c:12097 check_crtc_state+0xb67/0xbd1 [i915]() [ 3.283965] pipe state doesn't match! [ 3.283972] Modules linked in: i915 button video drm_kms_helper drm [ 3.283978] CPU: 0 PID: 1291 Comm: kworker/u16:2 Not tainted 4.1.0-rc3_kcloud_bb412d_20150518+ #10 [ 3.283979] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.R00.B082.B00.1504240146 04/24/2015 [ 3.283988] Workqueue: events_unbound async_run_entry_fn [ 3.283994] 0000000000000000 0000000000000009 ffffffff817a67ac ffff880163a2f638 [ 3.283997] ffffffff8103ebde ffff880163a2f630 ffffffffa00cb932 ffff880163620000 [ 3.284000] ffff8801689b7000 ffff8801689be000 ffff880163a2f6c0 ffff880168486800 [ 3.284001] Call Trace: [ 3.284011] [<ffffffff817a67ac>] ? dump_stack+0x40/0x50 [ 3.284015] [<ffffffff8103ebde>] ? warn_slowpath_common+0x98/0xb0 [ 3.284088] [<ffffffffa00cb932>] ? check_crtc_state+0xb67/0xbd1 [i915] [ 3.284093] [<ffffffff8103ec3b>] ? warn_slowpath_fmt+0x45/0x4a [ 3.284159] [<ffffffffa00cb932>] ? check_crtc_state+0xb67/0xbd1 [i915] [ 3.284243] [<ffffffffa00daa73>] ? intel_modeset_check_state+0x4f6/0x87a [i915] [ 3.284316] [<ffffffffa00d5f46>] ? __intel_set_mode+0x936/0x94d [i915] [ 3.284387] [<ffffffffa00db245>] ? intel_crtc_set_config+0x404/0x53d [i915] [ 3.284402] [<ffffffffa001825f>] ? drm_modeset_lock+0x4e/0xa3 [drm] [ 3.284422] [<ffffffffa000c326>] ? drm_mode_set_config_internal+0x4e/0xd2 [drm] [ 3.284429] [<ffffffffa005afed>] ? restore_fbdev_mode+0xac/0xc3 [drm_kms_helper] [ 3.284436] [<ffffffffa005c7ee>] ? drm_fb_helper_restore_fbdev_mode_unlocked+0x1e/0x54 [drm_kms_helper] [ 3.284442] [<ffffffffa005c852>] ? drm_fb_helper_set_par+0x2e/0x32 [drm_kms_helper] [ 3.284525] [<ffffffffa00e7a8b>] ? intel_fbdev_set_par+0x11/0x55 [i915] [ 3.284531] [<ffffffff8137e96e>] ? fbcon_init+0x2fd/0x406 [ 3.284537] [<ffffffff813d43df>] ? visual_init+0xaf/0x102 [ 3.284540] [<ffffffff813d5931>] ? do_bind_con_driver+0x19e/0x2c2 [ 3.284544] [<ffffffff813d5d09>] ? do_take_over_console+0x12c/0x15c [ 3.284549] [<ffffffff8137e05d>] ? do_fbcon_takeover+0x53/0x97 [ 3.284555] [<ffffffff810549dc>] ? notifier_call_chain+0x35/0x59 [ 3.284560] [<ffffffff81054c23>] ? __blocking_notifier_call_chain+0x43/0x5b [ 3.284566] [<ffffffff813860eb>] ? lock_fb_info+0x12/0x2f [ 3.284571] [<ffffffff81387906>] ? register_framebuffer+0x26c/0x2a2 [ 3.284578] [<ffffffffa005cb03>] ? drm_fb_helper_initial_config+0x2ad/0x34a [drm_kms_helper] [ 3.284581] [<ffffffff81055b8f>] ? async_run_entry_fn+0x2d/0xbf [ 3.284585] [<ffffffff8104f985>] ? process_one_work+0x1b2/0x31d [ 3.284589] [<ffffffff8105026f>] ? worker_thread+0x265/0x351 [ 3.284592] [<ffffffff8105000a>] ? cancel_delayed_work_sync+0xa/0xa [ 3.284597] [<ffffffff81053ee1>] ? kthread+0xce/0xd6 [ 3.284602] [<ffffffff81053e13>] ? kthread_create_on_node+0x162/0x162 [ 3.284606] [<ffffffff817ac6d2>] ? ret_from_fork+0x42/0x70 [ 3.284610] [<ffffffff81053e13>] ? kthread_create_on_node+0x162/0x162 [ 3.284613] ---[ end trace c0e7c973a94133fe ]---</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>