Do some cleanups to the code related to debugfs files from across
the DPU driver including removing destroy functions,
tweeks to the initialization functions, removal of unused
static inline stubs and skipping unneeded null checks.
Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c | 30 ++---------
drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h | 9 +---
drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 17 -------
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 30 ++---------
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 31 +++---------
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 50 ++++---------------
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 -
drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 3 +-
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 18 ++-----
drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c | 11 +---
drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h | 15 +-----
11 files changed, 33 insertions(+), 182 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
index f66070cb2f42..f188c78dd736 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
@@ -307,10 +307,8 @@ static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
unsigned long irq_flags;
int i, irq_count, enable_count, cb_count;
- if (!irq_obj || !irq_obj->enable_counts || !irq_obj->irq_cb_tbl) {
- DPU_ERROR("invalid parameters\n");
+ if (WARN_ON(!irq_obj->enable_counts || !irq_obj->irq_cb_tbl))
return 0;
- }
for (i = 0; i < irq_obj->total_irqs; i++) {
spin_lock_irqsave(&irq_obj->cb_lock, irq_flags);
@@ -331,31 +329,11 @@ static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_core_irq);
-int dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
- struct dentry *parent)
-{
- dpu_kms->irq_obj.debugfs_file = debugfs_create_file("core_irq", 0600,
- parent, &dpu_kms->irq_obj,
- &dpu_debugfs_core_irq_fops);
-
- return 0;
-}
-
-void dpu_debugfs_core_irq_destroy(struct dpu_kms *dpu_kms)
-{
- debugfs_remove(dpu_kms->irq_obj.debugfs_file);
- dpu_kms->irq_obj.debugfs_file = NULL;
-}
-
-#else
-int dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
+void dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
struct dentry *parent)
{
- return 0;
-}
-
-void dpu_debugfs_core_irq_destroy(struct dpu_kms *dpu_kms)
-{
+ debugfs_create_file("core_irq", 0600, parent, &dpu_kms->irq_obj,
+ &dpu_debugfs_core_irq_fops);
}
#endif
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h
index 884f77fa3eb6..e9015a2b23fe 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h
@@ -132,15 +132,8 @@ int dpu_core_irq_unregister_callback(
* dpu_debugfs_core_irq_init - register core irq debugfs
* @dpu_kms: pointer to kms
* @parent: debugfs directory root
- * @Return: 0 on success
*/
-int dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
+void dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
struct dentry *parent);
-/**
- * dpu_debugfs_core_irq_destroy - deregister core irq debugfs
- * @dpu_kms: pointer to kms
- */
-void dpu_debugfs_core_irq_destroy(struct dpu_kms *dpu_kms);
-
#endif /* __DPU_CORE_IRQ_H__ */
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 e68ccb7a898a..7bc887ed9d74 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -524,12 +524,6 @@ static const struct file_operations dpu_core_perf_mode_fops = {
.write = _dpu_core_perf_mode_write,
};
-static void dpu_core_perf_debugfs_destroy(struct dpu_core_perf *perf)
-{
- debugfs_remove_recursive(perf->debugfs_root);
- perf->debugfs_root = NULL;
-}
-
int dpu_core_perf_debugfs_init(struct dpu_core_perf *perf,
struct dentry *parent)
{
@@ -578,16 +572,6 @@ int dpu_core_perf_debugfs_init(struct dpu_core_perf *perf,
return 0;
}
-#else
-static void dpu_core_perf_debugfs_destroy(struct dpu_core_perf *perf)
-{
-}
-
-int dpu_core_perf_debugfs_init(struct dpu_core_perf *perf,
- struct dentry *parent)
-{
- return 0;
-}
#endif
void dpu_core_perf_destroy(struct dpu_core_perf *perf)
@@ -597,7 +581,6 @@ void dpu_core_perf_destroy(struct dpu_core_perf *perf)
return;
}
- dpu_core_perf_debugfs_destroy(perf);
perf->max_core_clk_rate = 0;
perf->core_clk = NULL;
perf->phandle = NULL;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index a8aa59b8caeb..890994106e39 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -1246,9 +1246,6 @@ static int dpu_crtc_debugfs_status_show(struct seq_file *s, void *data)
int i, out_width;
- if (!s || !s->private)
- return -EINVAL;
-
dpu_crtc = s->private;
crtc = &dpu_crtc->base;
@@ -1378,14 +1375,7 @@ DEFINE_SHOW_ATTRIBUTE(dpu_crtc_debugfs_state);
static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc)
{
- struct dpu_crtc *dpu_crtc;
- struct dpu_kms *dpu_kms;
-
- if (!crtc)
- return -EINVAL;
- dpu_crtc = to_dpu_crtc(crtc);
-
- dpu_kms = _dpu_crtc_get_kms(crtc);
+ struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc);
dpu_crtc->debugfs_root = debugfs_create_dir(dpu_crtc->name,
crtc->dev->primary->debugfs_root);
@@ -1403,25 +1393,11 @@ static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc)
return 0;
}
-
-static void _dpu_crtc_destroy_debugfs(struct drm_crtc *crtc)
-{
- struct dpu_crtc *dpu_crtc;
-
- if (!crtc)
- return;
- dpu_crtc = to_dpu_crtc(crtc);
- debugfs_remove_recursive(dpu_crtc->debugfs_root);
-}
#else
static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc)
{
return 0;
}
-
-static void _dpu_crtc_destroy_debugfs(struct drm_crtc *crtc)
-{
-}
#endif /* CONFIG_DEBUG_FS */
static int dpu_crtc_late_register(struct drm_crtc *crtc)
@@ -1431,7 +1407,9 @@ static int dpu_crtc_late_register(struct drm_crtc *crtc)
static void dpu_crtc_early_unregister(struct drm_crtc *crtc)
{
- _dpu_crtc_destroy_debugfs(crtc);
+ struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc);
+
+ debugfs_remove_recursive(dpu_crtc->debugfs_root);
}
static const struct drm_crtc_funcs dpu_crtc_funcs = {
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 5559e5d40142..2811860f2688 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1838,14 +1838,9 @@ void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc)
#ifdef CONFIG_DEBUG_FS
static int dpu_encoder_status_show(struct seq_file *s, void *data)
{
- struct dpu_encoder_virt *dpu_enc;
+ struct dpu_encoder_virt *dpu_enc = s->private;
int i;
- if (!s || !s->private)
- return -EINVAL;
-
- dpu_enc = s->private;
-
mutex_lock(&dpu_enc->enc_lock);
for (i = 0; i < dpu_enc->num_phys_encs; i++) {
struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i];
@@ -1879,18 +1874,17 @@ DEFINE_SHOW_ATTRIBUTE(dpu_encoder_status);
static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc)
{
- struct dpu_encoder_virt *dpu_enc;
+ struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc);
struct msm_drm_private *priv;
struct dpu_kms *dpu_kms;
int i;
char name[DPU_NAME_SIZE];
- if (!drm_enc || !drm_enc->dev || !drm_enc->dev->dev_private) {
+ if (!drm_enc->dev || !drm_enc->dev->dev_private) {
DPU_ERROR("invalid encoder or kms\n");
return -EINVAL;
}
- dpu_enc = to_dpu_encoder_virt(drm_enc);
priv = drm_enc->dev->dev_private;
dpu_kms = to_dpu_kms(priv->kms);
@@ -1915,26 +1909,11 @@ static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc)
return 0;
}
-
-static void _dpu_encoder_destroy_debugfs(struct drm_encoder *drm_enc)
-{
- struct dpu_encoder_virt *dpu_enc;
-
- if (!drm_enc)
- return;
-
- dpu_enc = to_dpu_encoder_virt(drm_enc);
- debugfs_remove_recursive(dpu_enc->debugfs_root);
-}
#else
static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc)
{
return 0;
}
-
-static void _dpu_encoder_destroy_debugfs(struct drm_encoder *drm_enc)
-{
-}
#endif
static int dpu_encoder_late_register(struct drm_encoder *encoder)
@@ -1944,7 +1923,9 @@ static int dpu_encoder_late_register(struct drm_encoder *encoder)
static void dpu_encoder_early_unregister(struct drm_encoder *encoder)
{
- _dpu_encoder_destroy_debugfs(encoder);
+ struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(encoder);
+
+ debugfs_remove_recursive(dpu_enc->debugfs_root);
}
static int dpu_encoder_virt_add_phys_encs(
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 2a91881048c8..01be305758c5 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -81,7 +81,7 @@ static int _dpu_danger_signal_status(struct seq_file *s,
struct dpu_danger_safe_status status;
int i;
- if (!kms || !kms->dev || !kms->dev->dev_private || !kms->hw_mdp) {
+ if (!kms->dev || !kms->dev->dev_private || !kms->hw_mdp) {
DPU_ERROR("invalid arg(s)\n");
return 0;
}
@@ -125,46 +125,31 @@ static int dpu_debugfs_safe_stats_show(struct seq_file *s, void *v)
}
DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_safe_stats);
-static void dpu_debugfs_danger_destroy(struct dpu_kms *dpu_kms)
-{
- debugfs_remove_recursive(dpu_kms->debugfs_danger);
- dpu_kms->debugfs_danger = NULL;
-}
-
-static int dpu_debugfs_danger_init(struct dpu_kms *dpu_kms,
+static void dpu_debugfs_danger_init(struct dpu_kms *dpu_kms,
struct dentry *parent)
{
dpu_kms->debugfs_danger = debugfs_create_dir("danger",
parent);
if (!dpu_kms->debugfs_danger) {
DPU_ERROR("failed to create danger debugfs\n");
- return -EINVAL;
}
debugfs_create_file("danger_status", 0600, dpu_kms->debugfs_danger,
dpu_kms, &dpu_debugfs_danger_stats_fops);
debugfs_create_file("safe_status", 0600, dpu_kms->debugfs_danger,
dpu_kms, &dpu_debugfs_safe_stats_fops);
-
- return 0;
}
static int dpu_debugfs_regset32_show(struct seq_file *s, void *data)
{
- struct dpu_debugfs_regset32 *regset;
- struct dpu_kms *dpu_kms;
+ struct dpu_debugfs_regset32 *regset = s->private;
+ struct dpu_kms *dpu_kms = regset->dpu_kms;
struct drm_device *dev;
struct msm_drm_private *priv;
void __iomem *base;
uint32_t i, addr;
- if (!s || !s->private)
- return 0;
-
- regset = s->private;
-
- dpu_kms = regset->dpu_kms;
- if (!dpu_kms || !dpu_kms->mmio)
+ if (!dpu_kms->mmio)
return 0;
dev = dpu_kms->dev;
@@ -231,7 +216,7 @@ static int _dpu_debugfs_init(struct dpu_kms *dpu_kms)
p = dpu_hw_util_get_log_mask_ptr();
- if (!dpu_kms || !p)
+ if (!p)
return -EINVAL;
dpu_kms->debugfs_root = debugfs_create_dir("debug",
@@ -245,9 +230,9 @@ static int _dpu_debugfs_init(struct dpu_kms *dpu_kms)
/* allow root to be NULL */
debugfs_create_x32(DPU_DEBUGFS_HWMASKNAME, 0600, dpu_kms->debugfs_root, p);
- (void) dpu_debugfs_danger_init(dpu_kms, dpu_kms->debugfs_root);
- (void) dpu_debugfs_vbif_init(dpu_kms, dpu_kms->debugfs_root);
- (void) dpu_debugfs_core_irq_init(dpu_kms, dpu_kms->debugfs_root);
+ dpu_debugfs_danger_init(dpu_kms, dpu_kms->debugfs_root);
+ dpu_debugfs_vbif_init(dpu_kms, dpu_kms->debugfs_root);
+ dpu_debugfs_core_irq_init(dpu_kms, dpu_kms->debugfs_root);
rc = dpu_core_perf_debugfs_init(&dpu_kms->perf, dpu_kms->debugfs_root);
if (rc) {
@@ -257,21 +242,6 @@ static int _dpu_debugfs_init(struct dpu_kms *dpu_kms)
return 0;
}
-
-static void _dpu_debugfs_destroy(struct dpu_kms *dpu_kms)
-{
- /* don't need to NULL check debugfs_root */
- if (dpu_kms) {
- dpu_debugfs_vbif_destroy(dpu_kms);
- dpu_debugfs_danger_destroy(dpu_kms);
- dpu_debugfs_core_irq_destroy(dpu_kms);
- debugfs_remove_recursive(dpu_kms->debugfs_root);
- }
-}
-#else
-static void _dpu_debugfs_destroy(struct dpu_kms *dpu_kms)
-{
-}
#endif
static int dpu_kms_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
@@ -626,7 +596,7 @@ static void _dpu_kms_hw_destroy(struct dpu_kms *dpu_kms)
&dpu_kms->phandle, dpu_kms->power_event);
/* safe to call these more than once during shutdown */
- _dpu_debugfs_destroy(dpu_kms);
+ debugfs_remove_recursive(dpu_kms->debugfs_root);
_dpu_kms_mmu_destroy(dpu_kms);
if (dpu_kms->catalog) {
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
index e7539c9870e4..33ed5779687f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
@@ -102,7 +102,6 @@ struct dpu_irq {
atomic_t *enable_counts;
atomic_t *irq_counts;
spinlock_t cb_lock;
- struct dentry *debugfs_file;
};
struct dpu_kms {
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
index 19abf719811a..5ecc26fdc328 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
@@ -120,13 +120,12 @@ static int _dpu_mdss_irq_domain_add(struct dpu_mdss *dpu_mdss)
return 0;
}
-static int _dpu_mdss_irq_domain_fini(struct dpu_mdss *dpu_mdss)
+static void _dpu_mdss_irq_domain_fini(struct dpu_mdss *dpu_mdss)
{
if (dpu_mdss->irq_controller.domain) {
irq_domain_remove(dpu_mdss->irq_controller.domain);
dpu_mdss->irq_controller.domain = NULL;
}
- return 0;
}
static int dpu_mdss_enable(struct msm_mdss *mdss)
{
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 98d8315f625d..3c5580c75581 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1451,25 +1451,11 @@ static int _dpu_plane_init_debugfs(struct drm_plane *plane)
return 0;
}
-
-static void _dpu_plane_destroy_debugfs(struct drm_plane *plane)
-{
- struct dpu_plane *pdpu;
-
- if (!plane)
- return;
- pdpu = to_dpu_plane(plane);
-
- debugfs_remove_recursive(pdpu->debugfs_root);
-}
#else
static int _dpu_plane_init_debugfs(struct drm_plane *plane)
{
return 0;
}
-static void _dpu_plane_destroy_debugfs(struct drm_plane *plane)
-{
-}
#endif
static int dpu_plane_late_register(struct drm_plane *plane)
@@ -1479,7 +1465,9 @@ static int dpu_plane_late_register(struct drm_plane *plane)
static void dpu_plane_early_unregister(struct drm_plane *plane)
{
- _dpu_plane_destroy_debugfs(plane);
+ struct dpu_plane *pdpu = to_dpu_plane(plane);
+
+ debugfs_remove_recursive(pdpu->debugfs_root);
}
static const struct drm_plane_funcs dpu_plane_funcs = {
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c
index ff5091d2555d..98d8faf68057 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c
@@ -310,13 +310,8 @@ void dpu_vbif_init_memtypes(struct dpu_kms *dpu_kms)
}
#ifdef CONFIG_DEBUG_FS
-void dpu_debugfs_vbif_destroy(struct dpu_kms *dpu_kms)
-{
- debugfs_remove_recursive(dpu_kms->debugfs_vbif);
- dpu_kms->debugfs_vbif = NULL;
-}
-int dpu_debugfs_vbif_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root)
+void dpu_debugfs_vbif_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root)
{
char vbif_name[32];
struct dentry *debugfs_vbif;
@@ -325,7 +320,7 @@ int dpu_debugfs_vbif_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root)
dpu_kms->debugfs_vbif = debugfs_create_dir("vbif", debugfs_root);
if (!dpu_kms->debugfs_vbif) {
DPU_ERROR("failed to create vbif debugfs\n");
- return -EINVAL;
+ return;
}
for (i = 0; i < dpu_kms->catalog->vbif_count; i++) {
@@ -376,7 +371,5 @@ int dpu_debugfs_vbif_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root)
(u32 *)&cfg->ot_limit);
}
}
-
- return 0;
}
#endif
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h
index f17af52dbbd5..6356876d7a66 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h
@@ -78,17 +78,6 @@ void dpu_vbif_clear_errors(struct dpu_kms *dpu_kms);
*/
void dpu_vbif_init_memtypes(struct dpu_kms *dpu_kms);
-#ifdef CONFIG_DEBUG_FS
-int dpu_debugfs_vbif_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root);
-void dpu_debugfs_vbif_destroy(struct dpu_kms *dpu_kms);
-#else
-static inline int dpu_debugfs_vbif_init(struct dpu_kms *dpu_kms,
- struct dentry *debugfs_root)
-{
- return 0;
-}
-static inline void dpu_debugfs_vbif_destroy(struct dpu_kms *dpu_kms)
-{
-}
-#endif
+void dpu_debugfs_vbif_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root);
+
#endif /* __DPU_VBIF_H__ */
--
2.18.0
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