From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sat, 16 May 2020 19:09:40 +0000 (+0100)
Subject: drm/i915/display: Return error from dbuf allocation failure
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=cba597ac45170469a9a60c06d20d64b5af5dc48c;p=kernel.git

drm/i915/display: Return error from dbuf allocation failure

drivers/gpu/drm/i915/intel_pm.c:5920 skl_ddb_add_affected_pipes() error: uninitialized symbol 'ret'.

Fixes: 3cf43cdc63fb ("drm/i915: Introduce proper dbuf state")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200516190940.12675-1-chris@chris-wilson.co.uk
---

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 0082582d8352b..5ebc1585622ed 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5941,7 +5941,7 @@ skl_ddb_add_affected_pipes(struct intel_atomic_state *state)
 
 		new_dbuf_state = intel_atomic_get_dbuf_state(state);
 		if (IS_ERR(new_dbuf_state))
-			return ret;
+			return PTR_ERR(new_dbuf_state);
 
 		old_dbuf_state = intel_atomic_get_old_dbuf_state(state);