From 5ace3a1146a7d1bff773d1497f1ded0d9b51f5f6 Mon Sep 17 00:00:00 2001
From: Drew Davenport <ddavenport@chromium.org>
Date: Fri, 6 Dec 2019 16:13:45 -0700
Subject: drm/msm/dpu: Remove unnecessary NULL checks
Git-commit: 85a8f8eec8f0481a9d5e84ef85b99e7d399b801b
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
dpu_crtc_mixer.hw_lm will never be NULL, so don't check.
Signed-off-by: Drew Davenport <ddavenport@chromium.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index b9ed8285ab39..bf513411b243 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -197,10 +197,6 @@ static void _dpu_crtc_blend_setup(struct drm_crtc *crtc)
DPU_DEBUG("%s\n", dpu_crtc->name);
for (i = 0; i < cstate->num_mixers; i++) {
- if (!mixer[i].hw_lm) {
- DPU_ERROR("invalid lm assigned to mixer\n");
- return;
- }
mixer[i].mixer_op_mode = 0;
mixer[i].flush_mask = 0;
if (mixer[i].lm_ctl->ops.clear_all_blendstages)
@@ -1113,12 +1109,9 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
for (i = 0; i < cstate->num_mixers; ++i) {
m = &cstate->mixers[i];
- if (!m->hw_lm)
- seq_printf(s, "\tmixer[%d] has no lm\n", i);
- else
- seq_printf(s, "\tmixer:%d ctl:%d width:%d height:%d\n",
- m->hw_lm->idx - LM_0, m->lm_ctl->idx - CTL_0,
- out_width, mode->vdisplay);
+ seq_printf(s, "\tmixer:%d ctl:%d width:%d height:%d\n",
+ m->hw_lm->idx - LM_0, m->lm_ctl->idx - CTL_0,
+ out_width, mode->vdisplay);
}
seq_puts(s, "\n");
--
2.28.0