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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2019-05-09 11:18:57 +0300
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2019-05-09 11:19:03 +0300
commit752c4f3c1d19708578257ecc041672b6d8afb9bf (patch)
tree75bf7773e3dcddb495540dbd3fd135702de738eb /drivers/gpu/drm/arm/display/komeda/komeda_dev.c
parent3be2071004bf748ed39e54ccda85caaa774c7ccd (diff)
parenteb85d03e01c3e9f3b0ba7282b2e3515a635decb2 (diff)
downloadlinux-752c4f3c1d19708578257ecc041672b6d8afb9bf.tar.xz
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Requested for backmerging airlied's drm-legacy cleanup. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_dev.c')
-rw-r--r--drivers/gpu/drm/arm/display/komeda/komeda_dev.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
index 24548b87e182..ca3599e4a4d3 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
@@ -59,6 +59,48 @@ static void komeda_debugfs_init(struct komeda_dev *mdev)
}
#endif
+static ssize_t
+core_id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct komeda_dev *mdev = dev_to_mdev(dev);
+
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n", mdev->chip.core_id);
+}
+static DEVICE_ATTR_RO(core_id);
+
+static ssize_t
+config_id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct komeda_dev *mdev = dev_to_mdev(dev);
+ struct komeda_pipeline *pipe = mdev->pipelines[0];
+ union komeda_config_id config_id;
+ int i;
+
+ memset(&config_id, 0, sizeof(config_id));
+
+ config_id.max_line_sz = pipe->layers[0]->hsize_in.end;
+ config_id.n_pipelines = mdev->n_pipelines;
+ config_id.n_scalers = pipe->n_scalers;
+ config_id.n_layers = pipe->n_layers;
+ config_id.n_richs = 0;
+ for (i = 0; i < pipe->n_layers; i++) {
+ if (pipe->layers[i]->layer_type == KOMEDA_FMT_RICH_LAYER)
+ config_id.n_richs++;
+ }
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n", config_id.value);
+}
+static DEVICE_ATTR_RO(config_id);
+
+static struct attribute *komeda_sysfs_entries[] = {
+ &dev_attr_core_id.attr,
+ &dev_attr_config_id.attr,
+ NULL,
+};
+
+static struct attribute_group komeda_sysfs_attr_group = {
+ .attrs = komeda_sysfs_entries,
+};
+
static int komeda_parse_pipe_dt(struct komeda_dev *mdev, struct device_node *np)
{
struct komeda_pipeline *pipe;
@@ -151,6 +193,8 @@ struct komeda_dev *komeda_dev_create(struct device *dev)
if (!mdev)
return ERR_PTR(-ENOMEM);
+ mutex_init(&mdev->lock);
+
mdev->dev = dev;
mdev->reg_base = devm_ioremap_resource(dev, io_res);
if (IS_ERR(mdev->reg_base)) {
@@ -205,6 +249,12 @@ struct komeda_dev *komeda_dev_create(struct device *dev)
goto err_cleanup;
}
+ err = sysfs_create_group(&dev->kobj, &komeda_sysfs_attr_group);
+ if (err) {
+ DRM_ERROR("create sysfs group failed.\n");
+ goto err_cleanup;
+ }
+
#ifdef CONFIG_DEBUG_FS
komeda_debugfs_init(mdev);
#endif
@@ -222,6 +272,8 @@ void komeda_dev_destroy(struct komeda_dev *mdev)
struct komeda_dev_funcs *funcs = mdev->funcs;
int i;
+ sysfs_remove_group(&dev->kobj, &komeda_sysfs_attr_group);
+
#ifdef CONFIG_DEBUG_FS
debugfs_remove_recursive(mdev->debugfs_root);
#endif