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drm/msm/dpu: Remove unnecessary NULL checks 

drm_device.dev_private is set to a non-NULL msm_drm_private
struct in msm_drm_init. Successful initialization of msm means
that dev_private is non-NULL so there is no need to check it
everywhere.

Signed-off-by: Drew Davenport <ddavenport@chromium.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Drew Davenport 2019-09-06 13:23:41 -06:00 committed by Rob Clark
parent c3b80b28c1
commit 422ed75581
7 changed files with 14 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
View File

@ -349,9 +349,6 @@ void dpu_core_irq_preinstall(struct dpu_kms *dpu_kms)
if (!dpu_kms->dev) {
DPU_ERROR("invalid drm device\n");
return;
} else if (!dpu_kms->dev->dev_private) {
DPU_ERROR("invalid device private\n");
return;
}
priv = dpu_kms->dev->dev_private;
@ -385,9 +382,6 @@ void dpu_core_irq_uninstall(struct dpu_kms *dpu_kms)
if (!dpu_kms->dev) {
DPU_ERROR("invalid drm device\n");
return;
} else if (!dpu_kms->dev->dev_private) {
DPU_ERROR("invalid device private\n");
return;
}
priv = dpu_kms->dev->dev_private;

4
drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
View File

@ -33,13 +33,13 @@ static struct dpu_kms *_dpu_crtc_get_kms(struct drm_crtc *crtc)
{
struct msm_drm_private *priv;
if (!crtc->dev || !crtc->dev->dev_private) {
if (!crtc->dev) {
DPU_ERROR("invalid device\n");
return NULL;
}
priv = crtc->dev->dev_private;
if (!priv || !priv->kms) {
if (!priv->kms) {
DPU_ERROR("invalid kms\n");
return NULL;
}

4
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
View File

@ -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->dev->dev_private || !crtc->state) {
if (!crtc || !crtc->dev || !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 || !crtc->dev->dev_private) {
if (!crtc || !crtc->dev) {
DPU_ERROR("invalid crtc\n");
return;
}

15
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
View File

@ -735,8 +735,7 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc,
struct msm_drm_private *priv;
bool is_vid_mode = false;
if (!drm_enc || !drm_enc->dev || !drm_enc->dev->dev_private ||
!drm_enc->crtc) {
if (!drm_enc || !drm_enc->dev || !drm_enc->crtc) {
DPU_ERROR("invalid parameters\n");
return -EINVAL;
}
@ -1092,7 +1091,7 @@ static void _dpu_encoder_virt_enable_helper(struct drm_encoder *drm_enc)
struct msm_drm_private *priv;
struct dpu_kms *dpu_kms;
if (!drm_enc || !drm_enc->dev || !drm_enc->dev->dev_private) {
if (!drm_enc || !drm_enc->dev) {
DPU_ERROR("invalid parameters\n");
return;
}
@ -1193,9 +1192,6 @@ static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc)
} else if (!drm_enc->dev) {
DPU_ERROR("invalid dev\n");
return;
} else if (!drm_enc->dev->dev_private) {
DPU_ERROR("invalid dev_private\n");
return;
}
dpu_enc = to_dpu_encoder_virt(drm_enc);
@ -1734,8 +1730,7 @@ static void dpu_encoder_vsync_event_handler(struct timer_list *t)
struct msm_drm_private *priv;
struct msm_drm_thread *event_thread;
if (!drm_enc->dev || !drm_enc->dev->dev_private ||
!drm_enc->crtc) {
if (!drm_enc->dev || !drm_enc->crtc) {
DPU_ERROR("invalid parameters\n");
return;
}
@ -1925,7 +1920,7 @@ static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc)
char name[DPU_NAME_SIZE];
if (!drm_enc->dev || !drm_enc->dev->dev_private) {
if (!drm_enc->dev) {
DPU_ERROR("invalid encoder or kms\n");
return -EINVAL;
}
@ -2130,7 +2125,7 @@ static void dpu_encoder_frame_done_timeout(struct timer_list *t)
struct drm_encoder *drm_enc = &dpu_enc->base;
u32 event;
if (!drm_enc->dev || !drm_enc->dev->dev_private) {
if (!drm_enc->dev) {
DPU_ERROR("invalid parameters\n");
return;
}

2
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
View File

@ -373,7 +373,7 @@ static void dpu_encoder_phys_cmd_tearcheck_config(
}
dpu_kms = phys_enc->dpu_kms;
if (!dpu_kms || !dpu_kms->dev || !dpu_kms->dev->dev_private) {
if (!dpu_kms || !dpu_kms->dev) {
DPU_ERROR("invalid device\n");
return;
}

3
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
View File

@ -570,8 +570,7 @@ static void dpu_encoder_phys_vid_disable(struct dpu_encoder_phys *phys_enc)
unsigned long lock_flags;
int ret;
if (!phys_enc || !phys_enc->parent || !phys_enc->parent->dev ||
!phys_enc->parent->dev->dev_private) {
if (!phys_enc || !phys_enc->parent || !phys_enc->parent->dev) {
DPU_ERROR("invalid encoder/device\n");
return;
}

16
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
View File

@ -72,7 +72,7 @@ static int _dpu_danger_signal_status(struct seq_file *s,
struct dpu_danger_safe_status status;
int i;
if (!kms->dev || !kms->dev->dev_private || !kms->hw_mdp) {
if (!kms->dev || !kms->hw_mdp) {
DPU_ERROR("invalid arg(s)\n");
return 0;
}
@ -157,9 +157,6 @@ static int _dpu_debugfs_show_regset32(struct seq_file *s, void *data)
return 0;
priv = dev->dev_private;
if (!priv)
return 0;
base = dpu_kms->mmio + regset->offset;
/* insert padding spaces, if needed */
@ -292,7 +289,7 @@ static void dpu_kms_prepare_commit(struct msm_kms *kms,
dpu_kms = to_dpu_kms(kms);
dev = dpu_kms->dev;
if (!dev || !dev->dev_private)
if (!dev)
return;
priv = dev->dev_private;
@ -470,9 +467,6 @@ static void _dpu_kms_drm_obj_destroy(struct dpu_kms *dpu_kms)
} else if (!dpu_kms->dev) {
DPU_ERROR("invalid dev\n");
return;
} else if (!dpu_kms->dev->dev_private) {
DPU_ERROR("invalid dev_private\n");
return;
}
priv = dpu_kms->dev->dev_private;
@ -809,10 +803,6 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
}
priv = dev->dev_private;
if (!priv) {
DPU_ERROR("invalid private data\n");
return rc;
}
atomic_set(&dpu_kms->bandwidth_ref, 0);
@ -974,7 +964,7 @@ struct msm_kms *dpu_kms_init(struct drm_device *dev)
struct dpu_kms *dpu_kms;
int irq;
if (!dev || !dev->dev_private) {
if (!dev) {
DPU_ERROR("drm device node invalid\n");
return ERR_PTR(-EINVAL);
}