If the previous modeset commit has completed and is no longer part of the crtc state, skip waiting for it.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107792 Fixes: c44301fce614 ("drm/i915: Allow control of PSR at runtime through debugfs, v6") Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.v...@intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com> --- drivers/gpu/drm/i915/intel_psr.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 21984d4c08ed..bddc9c7c681e 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -834,6 +834,7 @@ int intel_psr_set_debugfs_mode(struct drm_i915_private *dev_priv, struct drm_device *dev = &dev_priv->drm; struct drm_connector_state *conn_state; struct intel_crtc_state *crtc_state = NULL; + struct drm_crtc_commit *commit = NULL; struct drm_crtc *crtc; struct intel_dp *dp; int ret; @@ -860,12 +861,15 @@ int intel_psr_set_debugfs_mode(struct drm_i915_private *dev_priv, return ret; crtc_state = to_intel_crtc_state(crtc->state); - ret = wait_for_completion_interruptible(&crtc_state->base.commit->hw_done); - } else - ret = wait_for_completion_interruptible(&conn_state->commit->hw_done); - - if (ret) - return ret; + commit = crtc_state->base.commit; + } else { + commit = conn_state->commit; + } + if (commit) { + ret = wait_for_completion_interruptible(&commit->hw_done); + if (ret) + return ret; + } ret = mutex_lock_interruptible(&dev_priv->psr.lock); if (ret) -- 2.19.0.rc1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
