<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [SNB CI] multi-minute cpu stall when running kms_flip@blt-wf_vblank-vs-dpms|modeset" href="https://bugs.freedesktop.org/show_bug.cgi?id=102262#c1">Comment # 1</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [SNB CI] multi-minute cpu stall when running kms_flip@blt-wf_vblank-vs-dpms|modeset" href="https://bugs.freedesktop.org/show_bug.cgi?id=102262">bug 102262</a> from <a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> Daniel Vetter</a> <pre>Created <a href="attachment.cgi?id=133552" name="attach_133552" title="netconsole capture right around the stall">attachment 133552</a> <a href="attachment.cgi?id=133552&action=edit" title="netconsole capture right around the stall">[details]</a> netconsole capture right around the stall Includes the following debug patch applied on top: diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index decf5da63950..15582af42be7 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -10485,6 +10485,8 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc, return ret; } + printk("after clock compute\n"); + if (crtc_state->color_mgmt_changed) { ret = intel_color_check(crtc, crtc_state); if (ret) @@ -12025,6 +12027,8 @@ static int intel_atomic_check(struct drm_device *dev, if (ret) return ret; + printk("after check_modeset\n"); + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, crtc_state, i) { struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc_state); @@ -12089,7 +12093,11 @@ static int intel_atomic_check(struct drm_device *dev, return ret; intel_fbc_choose_crtc(dev_priv, state); - return calc_watermark_data(state); + ret = calc_watermark_data(state); + + printk("end of atomic_check\n"); + + return ret; } static int intel_atomic_prepare_commit(struct drm_device *dev, @@ -12343,7 +12351,9 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) unsigned crtc_vblank_mask = 0; int i; + printk("before wait\n"); intel_atomic_commit_fence_wait(intel_state); + printk("after wait\n"); drm_atomic_helper_wait_for_dependencies(state); @@ -12573,6 +12583,8 @@ static int intel_atomic_commit(struct drm_device *dev, return ret; } + printk("after atomic prepare commit\n"); + /* * The intel_legacy_cursor_update() fast path takes care * of avoiding the vblank waits for simple cursor</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> <li>You are the assignee for the bug.</li> </ul> </body> </html>