diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c')
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 374 |
1 files changed, 79 insertions, 295 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 0a683e65a9f3..4d67b3c96702 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; @@ -250,57 +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); - } - - rc = dpu_dbg_debugfs_register(dpu_kms->debugfs_root); - if (rc) { - DRM_ERROR("failed to reg dpu dbg debugfs: %d\n", rc); - return rc; - } + 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); - - 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; - } + debugfs_create_x32(DPU_DEBUGFS_HWMASKNAME, 0600, entry, p); - return 0; -} + dpu_debugfs_danger_init(dpu_kms, entry); + dpu_debugfs_vbif_init(dpu_kms, entry); + dpu_debugfs_core_irq_init(dpu_kms, entry); -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 @@ -320,7 +270,10 @@ static void dpu_kms_prepare_commit(struct msm_kms *kms, struct dpu_kms *dpu_kms; struct msm_drm_private *priv; struct drm_device *dev; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; struct drm_encoder *encoder; + int i; if (!kms) return; @@ -332,9 +285,13 @@ static void dpu_kms_prepare_commit(struct msm_kms *kms, priv = dev->dev_private; pm_runtime_get_sync(&dpu_kms->pdev->dev); - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) - if (encoder->crtc != NULL) + /* Call prepare_commit for all affected encoders */ + for_each_new_crtc_in_state(state, crtc, crtc_state, i) { + drm_for_each_encoder_mask(encoder, crtc->dev, + crtc_state->encoder_mask) { dpu_encoder_prepare_commit(encoder); + } + } } /* @@ -344,15 +301,20 @@ static void dpu_kms_prepare_commit(struct msm_kms *kms, void dpu_kms_encoder_enable(struct drm_encoder *encoder) { const struct drm_encoder_helper_funcs *funcs = encoder->helper_private; - struct drm_crtc *crtc = encoder->crtc; + struct drm_device *dev = encoder->dev; + struct drm_crtc *crtc; /* Forward this enable call to the commit hook */ if (funcs && funcs->commit) funcs->commit(encoder); - if (crtc && crtc->state->active) { + WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); + drm_for_each_crtc(crtc, dev) { + if (!(crtc->state->encoder_mask & drm_encoder_mask(encoder))) + continue; + trace_dpu_kms_enc_enable(DRMID(crtc)); - dpu_crtc_commit_kickoff(crtc); + dpu_crtc_commit_kickoff(crtc, false); } } @@ -369,7 +331,8 @@ static void dpu_kms_commit(struct msm_kms *kms, struct drm_atomic_state *state) if (crtc->state->active) { trace_dpu_kms_commit(DRMID(crtc)); - dpu_crtc_commit_kickoff(crtc); + dpu_crtc_commit_kickoff(crtc, + state->legacy_cursor_update); } } } @@ -613,22 +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 @@ -651,12 +599,7 @@ static void _dpu_kms_hw_destroy(struct dpu_kms *dpu_kms) dpu_hw_intr_destroy(dpu_kms->hw_intr); dpu_kms->hw_intr = NULL; - if (dpu_kms->power_event) - dpu_power_handle_unregister_event( - &dpu_kms->phandle, dpu_kms->power_event); - /* safe to call these more than once during shutdown */ - _dpu_debugfs_destroy(dpu_kms); _dpu_kms_mmu_destroy(dpu_kms); if (dpu_kms->catalog) { @@ -676,11 +619,6 @@ static void _dpu_kms_hw_destroy(struct dpu_kms *dpu_kms) dpu_hw_catalog_deinit(dpu_kms->catalog); dpu_kms->catalog = NULL; - if (dpu_kms->core_client) - dpu_power_client_destroy(&dpu_kms->phandle, - dpu_kms->core_client); - dpu_kms->core_client = NULL; - if (dpu_kms->vbif[VBIF_NRT]) devm_iounmap(&dpu_kms->pdev->dev, dpu_kms->vbif[VBIF_NRT]); dpu_kms->vbif[VBIF_NRT] = NULL; @@ -705,131 +643,9 @@ static void dpu_kms_destroy(struct msm_kms *kms) dpu_kms = to_dpu_kms(kms); - dpu_dbg_destroy(); _dpu_kms_hw_destroy(dpu_kms); } -static int dpu_kms_pm_suspend(struct device *dev) -{ - struct drm_device *ddev; - struct drm_modeset_acquire_ctx ctx; - struct drm_atomic_state *state; - struct dpu_kms *dpu_kms; - int ret = 0, num_crtcs = 0; - - if (!dev) - return -EINVAL; - - ddev = dev_get_drvdata(dev); - if (!ddev || !ddev_to_msm_kms(ddev)) - return -EINVAL; - - dpu_kms = to_dpu_kms(ddev_to_msm_kms(ddev)); - - /* disable hot-plug polling */ - drm_kms_helper_poll_disable(ddev); - - /* acquire modeset lock(s) */ - drm_modeset_acquire_init(&ctx, 0); - -retry: - DPU_ATRACE_BEGIN("kms_pm_suspend"); - - ret = drm_modeset_lock_all_ctx(ddev, &ctx); - if (ret) - goto unlock; - - /* save current state for resume */ - if (dpu_kms->suspend_state) - drm_atomic_state_put(dpu_kms->suspend_state); - dpu_kms->suspend_state = drm_atomic_helper_duplicate_state(ddev, &ctx); - if (IS_ERR_OR_NULL(dpu_kms->suspend_state)) { - DRM_ERROR("failed to back up suspend state\n"); - dpu_kms->suspend_state = NULL; - goto unlock; - } - - /* create atomic state to disable all CRTCs */ - state = drm_atomic_state_alloc(ddev); - if (IS_ERR_OR_NULL(state)) { - DRM_ERROR("failed to allocate crtc disable state\n"); - goto unlock; - } - - state->acquire_ctx = &ctx; - - /* check for nothing to do */ - if (num_crtcs == 0) { - DRM_DEBUG("all crtcs are already in the off state\n"); - drm_atomic_state_put(state); - goto suspended; - } - - /* commit the "disable all" state */ - ret = drm_atomic_commit(state); - if (ret < 0) { - DRM_ERROR("failed to disable crtcs, %d\n", ret); - drm_atomic_state_put(state); - goto unlock; - } - -suspended: - dpu_kms->suspend_block = true; - -unlock: - if (ret == -EDEADLK) { - drm_modeset_backoff(&ctx); - goto retry; - } - drm_modeset_drop_locks(&ctx); - drm_modeset_acquire_fini(&ctx); - - DPU_ATRACE_END("kms_pm_suspend"); - return 0; -} - -static int dpu_kms_pm_resume(struct device *dev) -{ - struct drm_device *ddev; - struct dpu_kms *dpu_kms; - int ret; - - if (!dev) - return -EINVAL; - - ddev = dev_get_drvdata(dev); - if (!ddev || !ddev_to_msm_kms(ddev)) - return -EINVAL; - - dpu_kms = to_dpu_kms(ddev_to_msm_kms(ddev)); - - DPU_ATRACE_BEGIN("kms_pm_resume"); - - drm_mode_config_reset(ddev); - - drm_modeset_lock_all(ddev); - - dpu_kms->suspend_block = false; - - if (dpu_kms->suspend_state) { - dpu_kms->suspend_state->acquire_ctx = - ddev->mode_config.acquire_ctx; - ret = drm_atomic_commit(dpu_kms->suspend_state); - if (ret < 0) { - DRM_ERROR("failed to restore state, %d\n", ret); - drm_atomic_state_put(dpu_kms->suspend_state); - } - dpu_kms->suspend_state = NULL; - } - drm_modeset_unlock_all(ddev); - - /* enable hot-plug polling */ - drm_kms_helper_poll_enable(ddev); - - DPU_ATRACE_END("kms_pm_resume"); - return 0; -} - static void _dpu_kms_set_encoder_mode(struct msm_kms *kms, struct drm_encoder *encoder, bool cmd_mode) @@ -858,10 +674,30 @@ static void _dpu_kms_set_encoder_mode(struct msm_kms *kms, encoder->base.id, rc); } +static irqreturn_t dpu_irq(struct msm_kms *kms) +{ + struct dpu_kms *dpu_kms = to_dpu_kms(kms); + + return dpu_core_irq(dpu_kms); +} + +static void dpu_irq_preinstall(struct msm_kms *kms) +{ + struct dpu_kms *dpu_kms = to_dpu_kms(kms); + + dpu_core_irq_preinstall(dpu_kms); +} + +static void dpu_irq_uninstall(struct msm_kms *kms) +{ + struct dpu_kms *dpu_kms = to_dpu_kms(kms); + + dpu_core_irq_uninstall(dpu_kms); +} + static const struct msm_kms_funcs kms_funcs = { .hw_init = dpu_kms_hw_init, .irq_preinstall = dpu_irq_preinstall, - .irq_postinstall = dpu_irq_postinstall, .irq_uninstall = dpu_irq_uninstall, .irq = dpu_irq, .prepare_commit = dpu_kms_prepare_commit, @@ -873,8 +709,6 @@ static const struct msm_kms_funcs kms_funcs = { .check_modified_format = dpu_format_check_modified_format, .get_format = dpu_get_msm_format, .round_pixclk = dpu_kms_round_pixclk, - .pm_suspend = dpu_kms_pm_suspend, - .pm_resume = dpu_kms_pm_resume, .destroy = dpu_kms_destroy, .set_encoder_mode = _dpu_kms_set_encoder_mode, #ifdef CONFIG_DEBUG_FS @@ -882,12 +716,6 @@ static const struct msm_kms_funcs kms_funcs = { #endif }; -/* the caller api needs to turn on clock before calling it */ -static inline void _dpu_kms_core_hw_rev_init(struct dpu_kms *dpu_kms) -{ - dpu_kms->core_rev = readl_relaxed(dpu_kms->mmio + 0x0); -} - static int _dpu_kms_mmu_destroy(struct dpu_kms *dpu_kms) { struct msm_mmu *mmu; @@ -911,6 +739,9 @@ static int _dpu_kms_mmu_init(struct dpu_kms *dpu_kms) if (!domain) return 0; + domain->geometry.aperture_start = 0x1000; + domain->geometry.aperture_end = 0xffffffff; + aspace = msm_gem_address_space_create(dpu_kms->dev->dev, domain, "dpu1"); if (IS_ERR(aspace)) { @@ -960,16 +791,6 @@ u64 dpu_kms_get_clk_rate(struct dpu_kms *dpu_kms, char *clock_name) return clk_get_rate(clk->clk); } -static void dpu_kms_handle_power_event(u32 event_type, void *usr) -{ - struct dpu_kms *dpu_kms = usr; - - if (!dpu_kms) - return; - - dpu_vbif_init_memtypes(dpu_kms); -} - static int dpu_kms_hw_init(struct msm_kms *kms) { struct dpu_kms *dpu_kms; @@ -979,26 +800,20 @@ static int dpu_kms_hw_init(struct msm_kms *kms) if (!kms) { DPU_ERROR("invalid kms\n"); - goto end; + return rc; } dpu_kms = to_dpu_kms(kms); dev = dpu_kms->dev; if (!dev) { DPU_ERROR("invalid device\n"); - goto end; - } - - rc = dpu_dbg_init(&dpu_kms->pdev->dev); - if (rc) { - DRM_ERROR("failed to init dpu dbg: %d\n", rc); - goto end; + return rc; } priv = dev->dev_private; if (!priv) { DPU_ERROR("invalid private data\n"); - goto dbg_destroy; + return rc; } dpu_kms->mmio = msm_ioremap(dpu_kms->pdev, "mdp", "mdp"); @@ -1036,20 +851,9 @@ static int dpu_kms_hw_init(struct msm_kms *kms) dpu_kms->reg_dma_len = dpu_iomap_size(dpu_kms->pdev, "regdma"); } - dpu_kms->core_client = dpu_power_client_create(&dpu_kms->phandle, - "core"); - if (IS_ERR_OR_NULL(dpu_kms->core_client)) { - rc = PTR_ERR(dpu_kms->core_client); - if (!dpu_kms->core_client) - rc = -EINVAL; - DPU_ERROR("dpu power client create failed: %d\n", rc); - dpu_kms->core_client = NULL; - goto error; - } - pm_runtime_get_sync(&dpu_kms->pdev->dev); - _dpu_kms_core_hw_rev_init(dpu_kms); + dpu_kms->core_rev = readl_relaxed(dpu_kms->mmio + 0x0); pr_info("dpu hardware revision:0x%x\n", dpu_kms->core_rev); @@ -1063,8 +867,6 @@ static int dpu_kms_hw_init(struct msm_kms *kms) goto power_error; } - dpu_dbg_init_dbg_buses(dpu_kms->core_rev); - /* * Now we need to read the HW catalog and initialize resources such as * clocks, regulators, GDSC/MMAGIC, ioremap the register ranges etc @@ -1110,7 +912,6 @@ static int dpu_kms_hw_init(struct msm_kms *kms) } rc = dpu_core_perf_init(&dpu_kms->perf, dev, dpu_kms->catalog, - &dpu_kms->phandle, _dpu_kms_get_clk(dpu_kms, "core")); if (rc) { DPU_ERROR("failed to init perf %d\n", rc); @@ -1151,13 +952,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms) */ dev->mode_config.allow_fb_modifiers = true; - /* - * Handle (re)initializations during power enable - */ - dpu_kms_handle_power_event(DPU_POWER_EVENT_ENABLE, dpu_kms); - dpu_kms->power_event = dpu_power_handle_register_event( - &dpu_kms->phandle, DPU_POWER_EVENT_ENABLE, - dpu_kms_handle_power_event, dpu_kms, "kms"); + dpu_vbif_init_memtypes(dpu_kms); pm_runtime_put_sync(&dpu_kms->pdev->dev); @@ -1171,9 +966,7 @@ power_error: pm_runtime_put_sync(&dpu_kms->pdev->dev); error: _dpu_kms_hw_destroy(dpu_kms); -dbg_destroy: - dpu_dbg_destroy(); -end: + return rc; } @@ -1221,8 +1014,6 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) return ret; } - dpu_power_resource_init(pdev, &dpu_kms->phandle); - platform_set_drvdata(pdev, dpu_kms); msm_kms_init(&dpu_kms->base, &kms_funcs); @@ -1242,7 +1033,6 @@ static void dpu_unbind(struct device *dev, struct device *master, void *data) struct dpu_kms *dpu_kms = platform_get_drvdata(pdev); struct dss_module_power *mp = &dpu_kms->mp; - dpu_power_resource_deinit(pdev, &dpu_kms->phandle); msm_dss_put_clk(mp->clk_config, mp->num_clk); devm_kfree(&pdev->dev, mp->clk_config); mp->num_clk = 0; @@ -1278,19 +1068,13 @@ static int __maybe_unused dpu_runtime_suspend(struct device *dev) ddev = dpu_kms->dev; if (!ddev) { DPU_ERROR("invalid drm_device\n"); - goto exit; + return rc; } - rc = dpu_power_resource_enable(&dpu_kms->phandle, - dpu_kms->core_client, false); - if (rc) - DPU_ERROR("resource disable failed: %d\n", rc); - rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, false); if (rc) DPU_ERROR("clock disable failed rc:%d\n", rc); -exit: return rc; } @@ -1299,27 +1083,27 @@ static int __maybe_unused dpu_runtime_resume(struct device *dev) int rc = -1; struct platform_device *pdev = to_platform_device(dev); struct dpu_kms *dpu_kms = platform_get_drvdata(pdev); + struct drm_encoder *encoder; struct drm_device *ddev; struct dss_module_power *mp = &dpu_kms->mp; ddev = dpu_kms->dev; if (!ddev) { DPU_ERROR("invalid drm_device\n"); - goto exit; + return rc; } rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, true); if (rc) { DPU_ERROR("clock enable failed rc:%d\n", rc); - goto exit; + return rc; } - rc = dpu_power_resource_enable(&dpu_kms->phandle, - dpu_kms->core_client, true); - if (rc) - DPU_ERROR("resource enable failed: %d\n", rc); + dpu_vbif_init_memtypes(dpu_kms); + + drm_for_each_encoder(encoder, ddev) + dpu_encoder_virt_runtime_resume(encoder); -exit: return rc; } |