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

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Am 27.05.21 um 14:14 schrieb Nirmoy Das:
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];
  	}

While at it you could also drop the extra {} here.

Apart from that patch is Acked-by: Christian König <christian.koenig@xxxxxxx>.

Christian.

@@ -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;
  	}

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