diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 23f38bc257a2..26b7e5276b15 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2708,7 +2708,7 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) intel_runtime_pm_get(dev_priv); mutex_lock(&dev_priv->psr.lock); - seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); + seq_printf(m, "Enabled: %s\n", yesno(dev_priv->psr.enabled)); seq_printf(m, "Busy frontbuffer bits: 0x%03x\n", dev_priv->psr.busy_frontbuffer_bits); @@ -2750,17 +2750,32 @@ static int i915_edp_psr_debug_set(void *data, u64 val) { struct drm_i915_private *dev_priv = data; + struct drm_modeset_acquire_ctx ctx; + int ret; if (!CAN_PSR(dev_priv)) return -ENODEV; - DRM_DEBUG_KMS("PSR debug %s\n", enableddisabled(val)); + DRM_DEBUG_KMS("Setting PSR debug to %llx\n", val); intel_runtime_pm_get(dev_priv); - intel_psr_irq_control(dev_priv, !!val); + + drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); + +retry: + ret = intel_psr_set_debugfs_mode(dev_priv, &ctx, val); + if (ret == -EDEADLK) { + ret = drm_modeset_backoff(&ctx); + if (!ret) + goto retry; + } + + drm_modeset_drop_locks(&ctx); + drm_modeset_acquire_fini(&ctx); + intel_runtime_pm_put(dev_priv); - return 0; + return ret; } static int |