RE: [PATCH 1/1] drm/amd/display: WARN_ON cleanups

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[AMD Official Use Only]

s/Uuse/use

-----Original Message-----
From: Das, Nirmoy <Nirmoy.Das@xxxxxxx> 
Sent: Thursday, May 27, 2021 2:15 PM
To: Wentland, Harry <Harry.Wentland@xxxxxxx>
Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Das, Nirmoy <Nirmoy.Das@xxxxxxx>
Subject: [PATCH 1/1] drm/amd/display: WARN_ON cleanups

Uuse WARN_ON() inside if-condition when possible.

Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

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 f2ed51484980..736eb537a8e4 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -315,8 +315,7 @@ get_crtc_by_otg_inst(struct amdgpu_device *adev,
 	struct drm_crtc *crtc;
 	struct amdgpu_crtc *amdgpu_crtc;
 
-	if (otg_inst == -1) {
-		WARN_ON(1);
+	if (WARN_ON(otg_inst == -1)) {
 		return adev->mode_info.crtcs[0];
 	}
 
@@ -397,8 +396,7 @@ static void dm_pflip_high_irq(void *interrupt_params)
 	e = amdgpu_crtc->event;
 	amdgpu_crtc->event = NULL;
 
-	if (!e)
-		WARN_ON(1);
+	WARN_ON(!e);
 
 	vrr_active = amdgpu_dm_vrr_active_irq(amdgpu_crtc);
 
@@ -6698,9 +6696,8 @@ static int dm_crtc_helper_atomic_check(struct drm_crtc *crtc,
 
 	dm_update_crtc_active_planes(crtc, crtc_state);
 
-	if (unlikely(!dm_crtc_state->stream &&
-		     modeset_required(crtc_state, NULL, dm_crtc_state->stream))) {
-		WARN_ON(1);
+	if (WARN_ON(unlikely(!dm_crtc_state->stream &&
+		     modeset_required(crtc_state, NULL, dm_crtc_state->stream)))) {
 		return ret;
 	}
 
-- 
2.31.1
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