From: Harry Wentland <harry.wentland@amd.com>
Date: Thu, 12 Apr 2018 10:51:51 -0400
Subject: Revert "drm/amd/display: fix dereferencing possible ERR_PTR()"
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Git-commit: 1bc8ffbd71380661c5bc9cd65649bb0cf3d0cf09
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
This reverts commit cd2d6c92a8e39d7e50a5af9fcc67d07e6a89e91d.
Cc: Shirish S <shirish.s@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 ---
1 file changed, 3 deletions(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4864,9 +4864,6 @@ static int dm_atomic_check_plane_state_f
return -EDEADLK;
crtc_state = drm_atomic_get_crtc_state(plane_state->state, crtc);
- if (IS_ERR(crtc_state))
- return PTR_ERR(crtc_state);
-
if (crtc->primary == plane && crtc_state->active) {
if (!plane_state->fb)
return -EINVAL;