[PATCH 4/6] drm/msm/dpu: Remove unnecessary NULL checks

[Drew Davenport]

drm_crtc.dev will never be NULL, so no need to check it.

Signed-off-by: Drew Davenport <ddavenp...@chromium.org>
---

 drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 5 -----
 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c      | 6 +++---
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
index 094d74635fb7..839887a3a80c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -33,11 +33,6 @@ static struct dpu_kms *_dpu_crtc_get_kms(struct drm_crtc 
*crtc)
 {
        struct msm_drm_private *priv;
 
-       if (!crtc->dev) {
-               DPU_ERROR("invalid device\n");
-               return NULL;
-       }
-
        priv = crtc->dev->dev_private;
        if (!priv->kms) {
                DPU_ERROR("invalid kms\n");
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index ead7d657097c..0b9dc042d2e2 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -266,7 +266,7 @@ enum dpu_intf_mode dpu_crtc_get_intf_mode(struct drm_crtc 
*crtc)
 {
        struct drm_encoder *encoder;
 
-       if (!crtc || !crtc->dev) {
+       if (!crtc) {
                DPU_ERROR("invalid crtc\n");
                return INTF_MODE_NONE;
        }
@@ -694,7 +694,7 @@ static void dpu_crtc_disable(struct drm_crtc *crtc,
        unsigned long flags;
        bool release_bandwidth = false;
 
-       if (!crtc || !crtc->dev || !crtc->state) {
+       if (!crtc || !crtc->state) {
                DPU_ERROR("invalid crtc\n");
                return;
        }
@@ -766,7 +766,7 @@ static void dpu_crtc_enable(struct drm_crtc *crtc,
        struct msm_drm_private *priv;
        bool request_bandwidth;
 
-       if (!crtc || !crtc->dev) {
+       if (!crtc) {
                DPU_ERROR("invalid crtc\n");
                return;
        }
-- 
2.20.1