#include "intel_dp.h"
#include "intel_dp_link_training.h"
#include "intel_dp_mst.h"
+#include "intel_dp_test.h"
#include "intel_drrs.h"
#include "intel_fb.h"
#include "intel_fbc.h"
return 0;
}
-static ssize_t i915_displayport_test_active_write(struct file *file,
- const char __user *ubuf,
- size_t len, loff_t *offp)
-{
- char *input_buffer;
- int status = 0;
- struct drm_device *dev;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
- struct intel_dp *intel_dp;
- int val = 0;
-
- dev = ((struct seq_file *)file->private_data)->private;
-
- if (len == 0)
- return 0;
-
- input_buffer = memdup_user_nul(ubuf, len);
- if (IS_ERR(input_buffer))
- return PTR_ERR(input_buffer);
-
- drm_dbg(dev, "Copied %d bytes from user\n", (unsigned int)len);
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- struct intel_encoder *encoder;
-
- if (connector->connector_type !=
- DRM_MODE_CONNECTOR_DisplayPort)
- continue;
-
- encoder = to_intel_encoder(connector->encoder);
- if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- if (encoder && connector->status == connector_status_connected) {
- intel_dp = enc_to_intel_dp(encoder);
- status = kstrtoint(input_buffer, 10, &val);
- if (status < 0)
- break;
- drm_dbg(dev, "Got %d for test active\n", val);
- /* To prevent erroneous activation of the compliance
- * testing code, only accept an actual value of 1 here
- */
- if (val == 1)
- intel_dp->compliance.test_active = true;
- else
- intel_dp->compliance.test_active = false;
- }
- }
- drm_connector_list_iter_end(&conn_iter);
- kfree(input_buffer);
- if (status < 0)
- return status;
-
- *offp += len;
- return len;
-}
-
-static int i915_displayport_test_active_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
- struct intel_dp *intel_dp;
-
- drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- struct intel_encoder *encoder;
-
- if (connector->connector_type !=
- DRM_MODE_CONNECTOR_DisplayPort)
- continue;
-
- encoder = to_intel_encoder(connector->encoder);
- if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- if (encoder && connector->status == connector_status_connected) {
- intel_dp = enc_to_intel_dp(encoder);
- if (intel_dp->compliance.test_active)
- seq_puts(m, "1");
- else
- seq_puts(m, "0");
- } else
- seq_puts(m, "0");
- }
- drm_connector_list_iter_end(&conn_iter);
-
- return 0;
-}
-
-static int i915_displayport_test_active_open(struct inode *inode,
- struct file *file)
-{
- return single_open(file, i915_displayport_test_active_show,
- inode->i_private);
-}
-
-static const struct file_operations i915_displayport_test_active_fops = {
- .owner = THIS_MODULE,
- .open = i915_displayport_test_active_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_displayport_test_active_write
-};
-
-static int i915_displayport_test_data_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
- struct intel_dp *intel_dp;
-
- drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- struct intel_encoder *encoder;
-
- if (connector->connector_type !=
- DRM_MODE_CONNECTOR_DisplayPort)
- continue;
-
- encoder = to_intel_encoder(connector->encoder);
- if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- if (encoder && connector->status == connector_status_connected) {
- intel_dp = enc_to_intel_dp(encoder);
- if (intel_dp->compliance.test_type ==
- DP_TEST_LINK_EDID_READ)
- seq_printf(m, "%lx",
- intel_dp->compliance.test_data.edid);
- else if (intel_dp->compliance.test_type ==
- DP_TEST_LINK_VIDEO_PATTERN) {
- seq_printf(m, "hdisplay: %d\n",
- intel_dp->compliance.test_data.hdisplay);
- seq_printf(m, "vdisplay: %d\n",
- intel_dp->compliance.test_data.vdisplay);
- seq_printf(m, "bpc: %u\n",
- intel_dp->compliance.test_data.bpc);
- } else if (intel_dp->compliance.test_type ==
- DP_TEST_LINK_PHY_TEST_PATTERN) {
- seq_printf(m, "pattern: %d\n",
- intel_dp->compliance.test_data.phytest.phy_pattern);
- seq_printf(m, "Number of lanes: %d\n",
- intel_dp->compliance.test_data.phytest.num_lanes);
- seq_printf(m, "Link Rate: %d\n",
- intel_dp->compliance.test_data.phytest.link_rate);
- seq_printf(m, "level: %02x\n",
- intel_dp->train_set[0]);
- }
- } else
- seq_puts(m, "0");
- }
- drm_connector_list_iter_end(&conn_iter);
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_data);
-
-static int i915_displayport_test_type_show(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = m->private;
- struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
- struct intel_dp *intel_dp;
-
- drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- struct intel_encoder *encoder;
-
- if (connector->connector_type !=
- DRM_MODE_CONNECTOR_DisplayPort)
- continue;
-
- encoder = to_intel_encoder(connector->encoder);
- if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- if (encoder && connector->status == connector_status_connected) {
- intel_dp = enc_to_intel_dp(encoder);
- seq_printf(m, "%02lx\n", intel_dp->compliance.test_type);
- } else
- seq_puts(m, "0");
- }
- drm_connector_list_iter_end(&conn_iter);
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_type);
-
static ssize_t
i915_fifo_underrun_reset_write(struct file *filp,
const char __user *ubuf,
const struct file_operations *fops;
} intel_display_debugfs_files[] = {
{"i915_fifo_underrun_reset", &i915_fifo_underrun_reset_ops},
- {"i915_dp_test_data", &i915_displayport_test_data_fops},
- {"i915_dp_test_type", &i915_displayport_test_type_fops},
- {"i915_dp_test_active", &i915_displayport_test_active_fops},
};
void intel_display_debugfs_register(struct drm_i915_private *i915)
intel_bios_debugfs_register(display);
intel_cdclk_debugfs_register(display);
intel_dmc_debugfs_register(display);
+ intel_dp_test_debugfs_register(display);
intel_fbc_debugfs_register(display);
intel_hpd_debugfs_register(i915);
intel_opregion_debugfs_register(display);
// SPDX-License-Identifier: MIT
/* Copyright © 2024 Intel Corporation */
+#include <linux/debugfs.h>
+
#include <drm/display/drm_dp.h>
#include <drm/display/drm_dp_helper.h>
#include <drm/drm_edid.h>
return true;
}
+
+static ssize_t i915_displayport_test_active_write(struct file *file,
+ const char __user *ubuf,
+ size_t len, loff_t *offp)
+{
+ char *input_buffer;
+ int status = 0;
+ struct drm_device *dev;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ struct intel_dp *intel_dp;
+ int val = 0;
+
+ dev = ((struct seq_file *)file->private_data)->private;
+
+ if (len == 0)
+ return 0;
+
+ input_buffer = memdup_user_nul(ubuf, len);
+ if (IS_ERR(input_buffer))
+ return PTR_ERR(input_buffer);
+
+ drm_dbg(dev, "Copied %d bytes from user\n", (unsigned int)len);
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+
+ if (connector->connector_type !=
+ DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ encoder = to_intel_encoder(connector->encoder);
+ if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ if (encoder && connector->status == connector_status_connected) {
+ intel_dp = enc_to_intel_dp(encoder);
+ status = kstrtoint(input_buffer, 10, &val);
+ if (status < 0)
+ break;
+ drm_dbg(dev, "Got %d for test active\n", val);
+ /* To prevent erroneous activation of the compliance
+ * testing code, only accept an actual value of 1 here
+ */
+ if (val == 1)
+ intel_dp->compliance.test_active = true;
+ else
+ intel_dp->compliance.test_active = false;
+ }
+ }
+ drm_connector_list_iter_end(&conn_iter);
+ kfree(input_buffer);
+ if (status < 0)
+ return status;
+
+ *offp += len;
+ return len;
+}
+
+static int i915_displayport_test_active_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ struct intel_dp *intel_dp;
+
+ drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+
+ if (connector->connector_type !=
+ DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ encoder = to_intel_encoder(connector->encoder);
+ if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ if (encoder && connector->status == connector_status_connected) {
+ intel_dp = enc_to_intel_dp(encoder);
+ if (intel_dp->compliance.test_active)
+ seq_puts(m, "1");
+ else
+ seq_puts(m, "0");
+ } else
+ seq_puts(m, "0");
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ return 0;
+}
+
+static int i915_displayport_test_active_open(struct inode *inode,
+ struct file *file)
+{
+ return single_open(file, i915_displayport_test_active_show,
+ inode->i_private);
+}
+
+static const struct file_operations i915_displayport_test_active_fops = {
+ .owner = THIS_MODULE,
+ .open = i915_displayport_test_active_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = i915_displayport_test_active_write
+};
+
+static int i915_displayport_test_data_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ struct intel_dp *intel_dp;
+
+ drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+
+ if (connector->connector_type !=
+ DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ encoder = to_intel_encoder(connector->encoder);
+ if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ if (encoder && connector->status == connector_status_connected) {
+ intel_dp = enc_to_intel_dp(encoder);
+ if (intel_dp->compliance.test_type ==
+ DP_TEST_LINK_EDID_READ)
+ seq_printf(m, "%lx",
+ intel_dp->compliance.test_data.edid);
+ else if (intel_dp->compliance.test_type ==
+ DP_TEST_LINK_VIDEO_PATTERN) {
+ seq_printf(m, "hdisplay: %d\n",
+ intel_dp->compliance.test_data.hdisplay);
+ seq_printf(m, "vdisplay: %d\n",
+ intel_dp->compliance.test_data.vdisplay);
+ seq_printf(m, "bpc: %u\n",
+ intel_dp->compliance.test_data.bpc);
+ } else if (intel_dp->compliance.test_type ==
+ DP_TEST_LINK_PHY_TEST_PATTERN) {
+ seq_printf(m, "pattern: %d\n",
+ intel_dp->compliance.test_data.phytest.phy_pattern);
+ seq_printf(m, "Number of lanes: %d\n",
+ intel_dp->compliance.test_data.phytest.num_lanes);
+ seq_printf(m, "Link Rate: %d\n",
+ intel_dp->compliance.test_data.phytest.link_rate);
+ seq_printf(m, "level: %02x\n",
+ intel_dp->train_set[0]);
+ }
+ } else
+ seq_puts(m, "0");
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_data);
+
+static int i915_displayport_test_type_show(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = m->private;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+ struct intel_dp *intel_dp;
+
+ drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ struct intel_encoder *encoder;
+
+ if (connector->connector_type !=
+ DRM_MODE_CONNECTOR_DisplayPort)
+ continue;
+
+ encoder = to_intel_encoder(connector->encoder);
+ if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ if (encoder && connector->status == connector_status_connected) {
+ intel_dp = enc_to_intel_dp(encoder);
+ seq_printf(m, "%02lx\n", intel_dp->compliance.test_type);
+ } else
+ seq_puts(m, "0");
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_type);
+
+static const struct {
+ const char *name;
+ const struct file_operations *fops;
+} intel_display_debugfs_files[] = {
+ {"i915_dp_test_data", &i915_displayport_test_data_fops},
+ {"i915_dp_test_type", &i915_displayport_test_type_fops},
+ {"i915_dp_test_active", &i915_displayport_test_active_fops},
+};
+
+void intel_dp_test_debugfs_register(struct intel_display *display)
+{
+ struct drm_minor *minor = display->drm->primary;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(intel_display_debugfs_files); i++) {
+ debugfs_create_file(intel_display_debugfs_files[i].name,
+ 0644,
+ minor->debugfs_root,
+ to_i915(minor->dev),
+ intel_display_debugfs_files[i].fops);
+ }
+}
#include <linux/types.h>
struct intel_crtc_state;
+struct intel_display;
struct intel_dp;
struct link_config_limits;
struct intel_crtc_state *pipe_config,
struct link_config_limits *limits);
bool intel_dp_test_phy(struct intel_dp *intel_dp);
+void intel_dp_test_debugfs_register(struct intel_display *display);
#endif /* __INTEL_DP_TEST_H__ */
projects / linux-2.6-microblaze.git / commitdiff