diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_debugfs.c | 83 |
1 files changed, 81 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index d5af5708c9da..8fdacb252bb1 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -2256,6 +2256,11 @@ static int i915_lpsp_capability_show(struct seq_file *m, void *data) if (connector->status != connector_status_connected) return -ENODEV; + if (DISPLAY_VER(i915) >= 13) { + LPSP_CAPABLE(encoder->port <= PORT_B); + return 0; + } + switch (DISPLAY_VER(i915)) { case 12: /* @@ -2390,6 +2395,73 @@ static const struct file_operations i915_dsc_fec_support_fops = { .write = i915_dsc_fec_support_write }; +static int i915_dsc_bpp_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct drm_device *dev = connector->dev; + struct drm_crtc *crtc; + struct intel_crtc_state *crtc_state; + struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector)); + int ret; + + if (!encoder) + return -ENODEV; + + ret = drm_modeset_lock_single_interruptible(&dev->mode_config.connection_mutex); + if (ret) + return ret; + + crtc = connector->state->crtc; + if (connector->status != connector_status_connected || !crtc) { + ret = -ENODEV; + goto out; + } + + crtc_state = to_intel_crtc_state(crtc->state); + seq_printf(m, "Compressed_BPP: %d\n", crtc_state->dsc.compressed_bpp); + +out: drm_modeset_unlock(&dev->mode_config.connection_mutex); + + return ret; +} + +static ssize_t i915_dsc_bpp_write(struct file *file, + const char __user *ubuf, + size_t len, loff_t *offp) +{ + struct drm_connector *connector = + ((struct seq_file *)file->private_data)->private; + struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector)); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + int dsc_bpp = 0; + int ret; + + ret = kstrtoint_from_user(ubuf, len, 0, &dsc_bpp); + if (ret < 0) + return ret; + + intel_dp->force_dsc_bpp = dsc_bpp; + *offp += len; + + return len; +} + +static int i915_dsc_bpp_open(struct inode *inode, + struct file *file) +{ + return single_open(file, i915_dsc_bpp_show, + inode->i_private); +} + +static const struct file_operations i915_dsc_bpp_fops = { + .owner = THIS_MODULE, + .open = i915_dsc_bpp_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = i915_dsc_bpp_write +}; + /** * intel_connector_debugfs_add - add i915 specific connector debugfs files * @connector: pointer to a registered drm_connector @@ -2428,10 +2500,17 @@ int intel_connector_debugfs_add(struct drm_connector *connector) connector, &i915_hdcp_sink_capability_fops); } - if ((DISPLAY_VER(dev_priv) >= 11 || IS_CANNONLAKE(dev_priv)) && ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort && !to_intel_connector(connector)->mst_port) || connector->connector_type == DRM_MODE_CONNECTOR_eDP)) - debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root, + if (DISPLAY_VER(dev_priv) >= 11 && + ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort && + !to_intel_connector(connector)->mst_port) || + connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { + debugfs_create_file("i915_dsc_fec_support", 0644, root, connector, &i915_dsc_fec_support_fops); + debugfs_create_file("i915_dsc_bpp", 0644, root, + connector, &i915_dsc_bpp_fops); + } + /* Legacy panels doesn't lpsp on any platform */ if ((DISPLAY_VER(dev_priv) >= 9 || IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) && |