drm/amd/display: WARN_ON cleanups

Use WARN_ON() inside if-condition when possible.

v2: Squash in coding style fix (Alex)

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@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 4fd6f4a..b93ab31 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -315,10 +315,8 @@ 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];
-       }
 
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
                amdgpu_crtc = to_amdgpu_crtc(crtc);
@@ -397,8 +395,7 @@ 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);
 
@@ -6600,9 +6597,8 @@ 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;
        }