[PATCH -next] drm/i915/display: remove redundant NULL check

[Qiheng Lin]

Fix the following coccicheck warning:

drivers/gpu/drm/i915/display/intel_psr.c:1530:29-31: WARNING
 !A || A && B is equivalent to !A || B

Signed-off-by: Qiheng Lin <linqih...@huawei.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c 
b/drivers/gpu/drm/i915/display/intel_psr.c
index 32d3d56259c2..4cec6b4d7fb9 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1526,8 +1526,7 @@ void intel_psr_wait_for_idle(const struct 
intel_crtc_state *new_crtc_state)
                u32 psr_status;
 
                mutex_lock(&intel_dp->psr.lock);
-               if (!intel_dp->psr.enabled ||
-                   (intel_dp->psr.enabled && intel_dp->psr.psr2_enabled)) {
+               if (!intel_dp->psr.enabled || intel_dp->psr.psr2_enabled) {
                        mutex_unlock(&intel_dp->psr.lock);
                        continue;
                }
-- 
2.31.1