diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 105 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 31 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 104 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 90 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c | 24 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.h | 15 |
12 files changed, 93 insertions, 361 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 9d5a8d217bc6..e45c69044935 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c @@ -319,10 +319,8 @@ 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); @@ -343,31 +341,11 @@ static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v) DEFINE_DPU_DEBUGFS_SEQ_FOPS(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 e8a87f4b8e0e..9f20f397f77d 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c @@ -24,8 +24,6 @@ #include "dpu_crtc.h" #include "dpu_core_perf.h" -#define DPU_PERF_MODE_STRING_SIZE 128 - /** * enum dpu_perf_mode - performance tuning mode * @DPU_PERF_MODE_NORMAL: performance controlled by user mode client @@ -451,24 +449,14 @@ static ssize_t _dpu_core_perf_mode_write(struct file *file, struct dpu_core_perf *perf = file->private_data; struct dpu_perf_cfg *cfg = &perf->catalog->perf; u32 perf_mode = 0; - char buf[10]; - - if (!perf) - return -ENODEV; - - if (count >= sizeof(buf)) - return -EFAULT; - - if (copy_from_user(buf, user_buf, count)) - return -EFAULT; - - buf[count] = 0; /* end of string */ + int ret; - if (kstrtouint(buf, 0, &perf_mode)) - return -EFAULT; + ret = kstrtouint_from_user(user_buf, count, 0, &perf_mode); + if (ret) + return ret; if (perf_mode >= DPU_PERF_MODE_MAX) - return -EFAULT; + return -EINVAL; if (perf_mode == DPU_PERF_MODE_FIXED) { DRM_INFO("fix performance mode\n"); @@ -493,29 +481,16 @@ static ssize_t _dpu_core_perf_mode_read(struct file *file, char __user *buff, size_t count, loff_t *ppos) { struct dpu_core_perf *perf = file->private_data; - int len = 0; - char buf[DPU_PERF_MODE_STRING_SIZE] = {'\0'}; + int len; + char buf[128]; - if (!perf) - return -ENODEV; - - if (*ppos) - return 0; /* the end */ - - len = snprintf(buf, sizeof(buf), + len = scnprintf(buf, sizeof(buf), "mode %d min_mdp_clk %llu min_bus_vote %llu\n", perf->perf_tune.mode, perf->perf_tune.min_core_clk, perf->perf_tune.min_bus_vote); - if (len < 0 || len >= sizeof(buf)) - return 0; - - if ((count < sizeof(buf)) || copy_to_user(buff, buf, len)) - return -EFAULT; - *ppos += len; /* increase offset */ - - return len; + return simple_read_from_buffer(buff, count, ppos, buf, len); } static const struct file_operations dpu_core_perf_mode_fops = { @@ -524,70 +499,43 @@ 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) +int dpu_core_perf_debugfs_init(struct dpu_kms *dpu_kms, struct dentry *parent) { + struct dpu_core_perf *perf = &dpu_kms->perf; struct dpu_mdss_cfg *catalog = perf->catalog; - struct msm_drm_private *priv; - struct dpu_kms *dpu_kms; - - priv = perf->dev->dev_private; - if (!priv || !priv->kms) { - DPU_ERROR("invalid KMS reference\n"); - return -EINVAL; - } - - dpu_kms = to_dpu_kms(priv->kms); + struct dentry *entry; - perf->debugfs_root = debugfs_create_dir("core_perf", parent); - if (!perf->debugfs_root) { - DPU_ERROR("failed to create core perf debugfs\n"); + entry = debugfs_create_dir("core_perf", parent); + if (IS_ERR_OR_NULL(entry)) return -EINVAL; - } - debugfs_create_u64("max_core_clk_rate", 0600, perf->debugfs_root, + debugfs_create_u64("max_core_clk_rate", 0600, entry, &perf->max_core_clk_rate); - debugfs_create_u64("core_clk_rate", 0600, perf->debugfs_root, + debugfs_create_u64("core_clk_rate", 0600, entry, &perf->core_clk_rate); - debugfs_create_u32("enable_bw_release", 0600, perf->debugfs_root, + debugfs_create_u32("enable_bw_release", 0600, entry, (u32 *)&perf->enable_bw_release); - debugfs_create_u32("threshold_low", 0600, perf->debugfs_root, + debugfs_create_u32("threshold_low", 0600, entry, (u32 *)&catalog->perf.max_bw_low); - debugfs_create_u32("threshold_high", 0600, perf->debugfs_root, + debugfs_create_u32("threshold_high", 0600, entry, (u32 *)&catalog->perf.max_bw_high); - debugfs_create_u32("min_core_ib", 0600, perf->debugfs_root, + debugfs_create_u32("min_core_ib", 0600, entry, (u32 *)&catalog->perf.min_core_ib); - debugfs_create_u32("min_llcc_ib", 0600, perf->debugfs_root, + debugfs_create_u32("min_llcc_ib", 0600, entry, (u32 *)&catalog->perf.min_llcc_ib); - debugfs_create_u32("min_dram_ib", 0600, perf->debugfs_root, + debugfs_create_u32("min_dram_ib", 0600, entry, (u32 *)&catalog->perf.min_dram_ib); - debugfs_create_file("perf_mode", 0600, perf->debugfs_root, + debugfs_create_file("perf_mode", 0600, entry, (u32 *)perf, &dpu_core_perf_mode_fops); - debugfs_create_u64("fix_core_clk_rate", 0600, perf->debugfs_root, + debugfs_create_u64("fix_core_clk_rate", 0600, entry, &perf->fix_core_clk_rate); - debugfs_create_u64("fix_core_ib_vote", 0600, perf->debugfs_root, + debugfs_create_u64("fix_core_ib_vote", 0600, entry, &perf->fix_core_ib_vote); - debugfs_create_u64("fix_core_ab_vote", 0600, perf->debugfs_root, + debugfs_create_u64("fix_core_ab_vote", 0600, entry, &perf->fix_core_ab_vote); 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 +545,6 @@ 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->catalog = NULL; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h index c708451a94a1..37f518815eb7 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h @@ -130,12 +130,13 @@ int dpu_core_perf_init(struct dpu_core_perf *perf, struct dpu_mdss_cfg *catalog, struct dss_clk *core_clk); +struct dpu_kms; + /** * dpu_core_perf_debugfs_init - initialize debugfs for core performance context - * @perf: Pointer to core performance context + * @dpu_kms: Pointer to the dpu_kms struct * @debugfs_parent: Pointer to parent debugfs */ -int dpu_core_perf_debugfs_init(struct dpu_core_perf *perf, - struct dentry *parent); +int dpu_core_perf_debugfs_init(struct dpu_kms *dpu_kms, struct dentry *parent); #endif /* _DPU_CORE_PERF_H_ */ diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index ffdb90c70c34..3090854a8575 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1186,9 +1186,6 @@ static int _dpu_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; @@ -1328,8 +1325,7 @@ DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_crtc_debugfs_state); static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc) { - struct dpu_crtc *dpu_crtc; - struct dpu_kms *dpu_kms; + struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); static const struct file_operations debugfs_status_fops = { .open = _dpu_debugfs_status_open, @@ -1338,12 +1334,6 @@ static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc) .release = single_release, }; - if (!crtc) - return -EINVAL; - dpu_crtc = to_dpu_crtc(crtc); - - dpu_kms = _dpu_crtc_get_kms(crtc); - dpu_crtc->debugfs_root = debugfs_create_dir(dpu_crtc->name, crtc->dev->primary->debugfs_root); if (!dpu_crtc->debugfs_root) @@ -1360,25 +1350,11 @@ 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) @@ -1388,7 +1364,9 @@ 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 c1baab4c72d2..0dda4a603685 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1863,14 +1863,9 @@ 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]; @@ -1908,7 +1903,7 @@ static int _dpu_encoder_debugfs_status_open(struct inode *inode, 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; @@ -1922,12 +1917,11 @@ static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc) 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); @@ -1952,26 +1946,11 @@ 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) @@ -1981,7 +1960,9 @@ 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 37dfee1ebba9..51a4a5f7c7f9 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; } @@ -138,46 +138,29 @@ static int dpu_debugfs_safe_stats_show(struct seq_file *s, void *v) } DEFINE_DPU_DEBUGFS_SEQ_FOPS(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; - } + struct dentry *entry = debugfs_create_dir("danger", parent); + if (IS_ERR_OR_NULL(entry)) + return; - debugfs_create_file("danger_status", 0600, dpu_kms->debugfs_danger, + debugfs_create_file("danger_status", 0600, entry, dpu_kms, &dpu_debugfs_danger_stats_fops); - debugfs_create_file("safe_status", 0600, dpu_kms->debugfs_danger, + debugfs_create_file("safe_status", 0600, entry, dpu_kms, &dpu_debugfs_safe_stats_fops); - - return 0; } static int _dpu_debugfs_show_regset32(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; @@ -250,51 +233,24 @@ void *dpu_debugfs_create_regset32(const char *name, umode_t mode, static int _dpu_debugfs_init(struct dpu_kms *dpu_kms) { - void *p; - int rc; - - p = dpu_hw_util_get_log_mask_ptr(); + void *p = dpu_hw_util_get_log_mask_ptr(); + struct dentry *entry; - if (!dpu_kms || !p) + if (!p) return -EINVAL; - dpu_kms->debugfs_root = debugfs_create_dir("debug", - dpu_kms->dev->primary->debugfs_root); - if (IS_ERR_OR_NULL(dpu_kms->debugfs_root)) { - DRM_ERROR("debugfs create_dir failed %ld\n", - PTR_ERR(dpu_kms->debugfs_root)); - return PTR_ERR(dpu_kms->debugfs_root); - } + entry = debugfs_create_dir("debug", dpu_kms->dev->primary->debugfs_root); + if (IS_ERR_OR_NULL(entry)) + return -ENODEV; /* 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); + debugfs_create_x32(DPU_DEBUGFS_HWMASKNAME, 0600, entry, p); - rc = dpu_core_perf_debugfs_init(&dpu_kms->perf, dpu_kms->debugfs_root); - if (rc) { - DPU_ERROR("failed to init perf %d\n", rc); - return rc; - } + dpu_debugfs_danger_init(dpu_kms, entry); + dpu_debugfs_vbif_init(dpu_kms, entry); + dpu_debugfs_core_irq_init(dpu_kms, entry); - 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) -{ + return dpu_core_perf_debugfs_init(dpu_kms, entry); } #endif @@ -620,22 +576,7 @@ fail: #ifdef CONFIG_DEBUG_FS static int dpu_kms_debugfs_init(struct msm_kms *kms, struct drm_minor *minor) { - struct dpu_kms *dpu_kms = to_dpu_kms(kms); - struct drm_device *dev; - int rc; - - if (!dpu_kms || !dpu_kms->dev || !dpu_kms->dev->dev) { - DPU_ERROR("invalid dpu_kms\n"); - return -EINVAL; - } - - dev = dpu_kms->dev; - - rc = _dpu_debugfs_init(dpu_kms); - if (rc) - DPU_ERROR("dpu_debugfs init failed: %d\n", rc); - - return rc; + return _dpu_debugfs_init(to_dpu_kms(kms)); } #endif @@ -659,7 +600,6 @@ static void _dpu_kms_hw_destroy(struct dpu_kms *dpu_kms) dpu_kms->hw_intr = NULL; /* safe to call these more than once during shutdown */ - _dpu_debugfs_destroy(dpu_kms); _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 c15d239e9832..ac75cfc267f4 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 { @@ -111,11 +110,6 @@ struct dpu_kms { int core_rev; struct dpu_mdss_cfg *catalog; - /* directory entry for debugfs */ - struct dentry *debugfs_root; - struct dentry *debugfs_danger; - struct dentry *debugfs_vbif; - /* io/register spaces: */ void __iomem *mmio, *vbif[VBIF_MAX], *reg_dma; unsigned long mmio_len, vbif_len[VBIF_MAX], reg_dma_len; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c index b7963f6bb865..413e1ee43cf2 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 f7d9bab80dad..278d0edb41a9 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -1262,26 +1262,12 @@ static ssize_t _dpu_plane_danger_read(struct file *file, char __user *buff, size_t count, loff_t *ppos) { struct dpu_kms *kms = file->private_data; - struct dpu_mdss_cfg *cfg = kms->catalog; - int len = 0; - char buf[40] = {'\0'}; + int len; + char buf[40]; - if (!cfg) - return -ENODEV; + len = scnprintf(buf, sizeof(buf), "%d\n", !kms->has_danger_ctrl); - if (*ppos) - return 0; /* the end */ - - len = snprintf(buf, sizeof(buf), "%d\n", !kms->has_danger_ctrl); - if (len < 0 || len >= sizeof(buf)) - return 0; - - if ((count < sizeof(buf)) || copy_to_user(buff, buf, len)) - return -EFAULT; - - *ppos += len; /* increase offset */ - - return len; + return simple_read_from_buffer(buff, count, ppos, buf, len); } static void _dpu_plane_set_danger_state(struct dpu_kms *kms, bool enable) @@ -1311,23 +1297,12 @@ static ssize_t _dpu_plane_danger_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct dpu_kms *kms = file->private_data; - struct dpu_mdss_cfg *cfg = kms->catalog; int disable_panic; - char buf[10]; - - if (!cfg) - return -EFAULT; - - if (count >= sizeof(buf)) - return -EFAULT; - - if (copy_from_user(buf, user_buf, count)) - return -EFAULT; - - buf[count] = 0; /* end of string */ + int ret; - if (kstrtoint(buf, 0, &disable_panic)) - return -EFAULT; + ret = kstrtouint_from_user(user_buf, count, 0, &disable_panic); + if (ret) + return ret; if (disable_panic) { /* Disable panic signal for all active pipes */ @@ -1352,33 +1327,10 @@ static const struct file_operations dpu_plane_danger_enable = { static int _dpu_plane_init_debugfs(struct drm_plane *plane) { - struct dpu_plane *pdpu; - struct dpu_kms *kms; - struct msm_drm_private *priv; - const struct dpu_sspp_sub_blks *sblk = 0; - const struct dpu_sspp_cfg *cfg = 0; - - if (!plane || !plane->dev) { - DPU_ERROR("invalid arguments\n"); - return -EINVAL; - } - - priv = plane->dev->dev_private; - if (!priv || !priv->kms) { - DPU_ERROR("invalid KMS reference\n"); - return -EINVAL; - } - - kms = to_dpu_kms(priv->kms); - pdpu = to_dpu_plane(plane); - - if (pdpu && pdpu->pipe_hw) - cfg = pdpu->pipe_hw->cap; - if (cfg) - sblk = cfg->sblk; - - if (!sblk) - return 0; + struct dpu_plane *pdpu = to_dpu_plane(plane); + struct dpu_kms *kms = _dpu_plane_get_kms(plane); + const struct dpu_sspp_cfg *cfg = pdpu->pipe_hw->cap; + const struct dpu_sspp_sub_blks *sblk = cfg->sblk; /* create overall sub-directory for the pipe */ pdpu->debugfs_root = @@ -1449,25 +1401,11 @@ 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) @@ -1477,7 +1415,9 @@ 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..ef753ea9c499 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c @@ -310,31 +310,25 @@ 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; + struct dentry *entry, *debugfs_vbif; int i, j; - 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; - } + entry = debugfs_create_dir("vbif", debugfs_root); + if (IS_ERR_OR_NULL(entry)) + return; for (i = 0; i < dpu_kms->catalog->vbif_count; i++) { struct dpu_vbif_cfg *vbif = &dpu_kms->catalog->vbif[i]; snprintf(vbif_name, sizeof(vbif_name), "%d", vbif->id); - debugfs_vbif = debugfs_create_dir(vbif_name, - dpu_kms->debugfs_vbif); + debugfs_vbif = debugfs_create_dir(vbif_name, entry); + if (IS_ERR_OR_NULL(debugfs_vbif)) + continue; debugfs_create_u32("features", 0600, debugfs_vbif, (u32 *)&vbif->features); @@ -376,7 +370,5 @@ 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__ */ |