From: Harry Wentland <harry.wentland@amd.com>
Date: Thu, 12 Apr 2018 14:51:51 +0000 (-0400)
Subject: Revert "drm/amd/display: fix dereferencing possible ERR_PTR()"
X-Git-Tag: v5.15~8594^2~16^2~192
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=642ad57058baaa2c105925a75c153bb486877513;p=platform%2Fkernel%2Flinux-starfive.git

Revert "drm/amd/display: fix dereferencing possible ERR_PTR()"

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>
---

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 265f0166..0c29f3b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4941,9 +4941,6 @@ static int dm_atomic_check_plane_state_fb(struct drm_atomic_state *state,
 			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;