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 | 145 |
1 files changed, 118 insertions, 27 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index c0a4d4e16d82..d93c44f6996d 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -85,30 +85,17 @@ static int _dpu_danger_signal_status(struct seq_file *s, return 0; } -#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix) \ -static int __prefix ## _open(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, __prefix ## _show, inode->i_private); \ -} \ -static const struct file_operations __prefix ## _fops = { \ - .owner = THIS_MODULE, \ - .open = __prefix ## _open, \ - .release = single_release, \ - .read = seq_read, \ - .llseek = seq_lseek, \ -} - static int dpu_debugfs_danger_stats_show(struct seq_file *s, void *v) { return _dpu_danger_signal_status(s, true); } -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_danger_stats); +DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_danger_stats); static int dpu_debugfs_safe_stats_show(struct seq_file *s, void *v) { return _dpu_danger_signal_status(s, false); } -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_safe_stats); +DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_safe_stats); static void dpu_debugfs_danger_init(struct dpu_kms *dpu_kms, struct dentry *parent) @@ -195,10 +182,15 @@ static int dpu_kms_debugfs_init(struct msm_kms *kms, struct drm_minor *minor) struct dpu_kms *dpu_kms = to_dpu_kms(kms); void *p = dpu_hw_util_get_log_mask_ptr(); struct dentry *entry; + struct drm_device *dev; + struct msm_drm_private *priv; if (!p) return -EINVAL; + dev = dpu_kms->dev; + priv = dev->dev_private; + entry = debugfs_create_dir("debug", minor->debugfs_root); debugfs_create_x32(DPU_DEBUGFS_HWMASKNAME, 0600, entry, p); @@ -207,6 +199,9 @@ static int dpu_kms_debugfs_init(struct msm_kms *kms, struct drm_minor *minor) dpu_debugfs_vbif_init(dpu_kms, entry); dpu_debugfs_core_irq_init(dpu_kms, entry); + if (priv->dp) + msm_dp_debugfs_init(priv->dp, minor); + return dpu_core_perf_debugfs_init(dpu_kms, entry); } #endif @@ -290,6 +285,28 @@ static int dpu_kms_global_obj_init(struct dpu_kms *dpu_kms) return 0; } +static int dpu_kms_parse_data_bus_icc_path(struct dpu_kms *dpu_kms) +{ + struct icc_path *path0; + struct icc_path *path1; + struct drm_device *dev = dpu_kms->dev; + + path0 = of_icc_get(dev->dev, "mdp0-mem"); + path1 = of_icc_get(dev->dev, "mdp1-mem"); + + if (IS_ERR_OR_NULL(path0)) + return PTR_ERR_OR_ZERO(path0); + + dpu_kms->path[0] = path0; + dpu_kms->num_paths = 1; + + if (!IS_ERR_OR_NULL(path1)) { + dpu_kms->path[1] = path1; + dpu_kms->num_paths++; + } + return 0; +} + static int dpu_kms_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc) { return dpu_crtc_vblank(crtc, true); @@ -479,6 +496,33 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev, return rc; } +static int _dpu_kms_initialize_displayport(struct drm_device *dev, + struct msm_drm_private *priv, + struct dpu_kms *dpu_kms) +{ + struct drm_encoder *encoder = NULL; + int rc = 0; + + if (!priv->dp) + return rc; + + encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_TMDS); + if (IS_ERR(encoder)) { + DPU_ERROR("encoder init failed for dsi display\n"); + return PTR_ERR(encoder); + } + + rc = msm_dp_modeset_init(priv->dp, dev, encoder); + if (rc) { + DPU_ERROR("modeset_init failed for DP, rc = %d\n", rc); + drm_encoder_cleanup(encoder); + return rc; + } + + priv->encoders[priv->num_encoders++] = encoder; + return rc; +} + /** * _dpu_kms_setup_displays - create encoders, bridges and connectors * for underlying displays @@ -491,12 +535,21 @@ static int _dpu_kms_setup_displays(struct drm_device *dev, struct msm_drm_private *priv, struct dpu_kms *dpu_kms) { - /** - * Extend this function to initialize other - * types of displays - */ + int rc = 0; - return _dpu_kms_initialize_dsi(dev, priv, dpu_kms); + rc = _dpu_kms_initialize_dsi(dev, priv, dpu_kms); + if (rc) { + DPU_ERROR("initialize_dsi failed, rc = %d\n", rc); + return rc; + } + + rc = _dpu_kms_initialize_displayport(dev, priv, dpu_kms); + if (rc) { + DPU_ERROR("initialize_DP failed, rc = %d\n", rc); + return rc; + } + + return rc; } static void _dpu_kms_drm_obj_destroy(struct dpu_kms *dpu_kms) @@ -681,13 +734,20 @@ static void _dpu_kms_set_encoder_mode(struct msm_kms *kms, info.capabilities = cmd_mode ? MSM_DISPLAY_CAP_CMD_MODE : MSM_DISPLAY_CAP_VID_MODE; - /* TODO: No support for DSI swap */ - for (i = 0; i < ARRAY_SIZE(priv->dsi); i++) { - if (priv->dsi[i]) { - info.h_tile_instance[info.num_of_h_tiles] = i; - info.num_of_h_tiles++; + switch (info.intf_type) { + case DRM_MODE_ENCODER_DSI: + /* TODO: No support for DSI swap */ + for (i = 0; i < ARRAY_SIZE(priv->dsi); i++) { + if (priv->dsi[i]) { + info.h_tile_instance[info.num_of_h_tiles] = i; + info.num_of_h_tiles++; + } } - } + break; + case DRM_MODE_ENCODER_TMDS: + info.num_of_h_tiles = 1; + break; + }; rc = dpu_encoder_setup(encoder->dev, encoder, &info); if (rc) @@ -709,6 +769,23 @@ static void dpu_irq_preinstall(struct msm_kms *kms) dpu_core_irq_preinstall(dpu_kms); } +static int dpu_irq_postinstall(struct msm_kms *kms) +{ + struct msm_drm_private *priv; + struct dpu_kms *dpu_kms = to_dpu_kms(kms); + + if (!dpu_kms || !dpu_kms->dev) + return -EINVAL; + + priv = dpu_kms->dev->dev_private; + if (!priv) + return -EINVAL; + + msm_dp_irq_postinstall(priv->dp); + + return 0; +} + static void dpu_irq_uninstall(struct msm_kms *kms) { struct dpu_kms *dpu_kms = to_dpu_kms(kms); @@ -719,6 +796,7 @@ static void dpu_irq_uninstall(struct msm_kms *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, .enable_commit = dpu_kms_enable_commit, @@ -952,6 +1030,9 @@ static int dpu_kms_hw_init(struct msm_kms *kms) dpu_vbif_init_memtypes(dpu_kms); + if (of_device_is_compatible(dev->dev->of_node, "qcom,sc7180-mdss")) + dpu_kms_parse_data_bus_icc_path(dpu_kms); + pm_runtime_put_sync(&dpu_kms->pdev->dev); return 0; @@ -1079,7 +1160,7 @@ static int dpu_dev_remove(struct platform_device *pdev) static int __maybe_unused dpu_runtime_suspend(struct device *dev) { - int rc = -1; + int i, rc = -1; struct platform_device *pdev = to_platform_device(dev); struct dpu_kms *dpu_kms = platform_get_drvdata(pdev); struct dss_module_power *mp = &dpu_kms->mp; @@ -1090,6 +1171,9 @@ static int __maybe_unused dpu_runtime_suspend(struct device *dev) if (rc) DPU_ERROR("clock disable failed rc:%d\n", rc); + for (i = 0; i < dpu_kms->num_paths; i++) + icc_set_bw(dpu_kms->path[i], 0, 0); + return rc; } @@ -1101,8 +1185,15 @@ static int __maybe_unused dpu_runtime_resume(struct device *dev) struct drm_encoder *encoder; struct drm_device *ddev; struct dss_module_power *mp = &dpu_kms->mp; + int i; ddev = dpu_kms->dev; + + /* Min vote of BW is required before turning on AXI clk */ + for (i = 0; i < dpu_kms->num_paths; i++) + icc_set_bw(dpu_kms->path[i], 0, + dpu_kms->catalog->perf.min_dram_ib); + rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, true); if (rc) { DPU_ERROR("clock enable failed rc:%d\n", rc); |