Move the MSM DP debugfs node from /sys/kernel/debug/drm_dp
to /sys/kernel/debug/dri/*/ as required for video pattern
compliance test suite.
Changes in v2: rebase on top of latest patchset of dependency
Signed-off-by: Abhinav Kumar <abhinavk@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 7 +++++
drivers/gpu/drm/msm/dp/dp_debug.c | 31 ++++++++--------------
drivers/gpu/drm/msm/dp/dp_debug.h | 5 +++-
drivers/gpu/drm/msm/dp/dp_display.c | 34 +++++++++++++++----------
drivers/gpu/drm/msm/msm_drv.h | 2 ++
5 files changed, 44 insertions(+), 35 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index bcb5ee50568c..db9e2761085b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -195,10 +195,15 @@ 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 +212,8 @@ 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);
+ msm_dp_debugfs_init(priv->dp, minor);
+
return dpu_core_perf_debugfs_init(dpu_kms, entry);
}
#endif
diff --git a/drivers/gpu/drm/msm/dp/dp_debug.c b/drivers/gpu/drm/msm/dp/dp_debug.c
index 92019f3e1a1f..099e989f214d 100644
--- a/drivers/gpu/drm/msm/dp/dp_debug.c
+++ b/drivers/gpu/drm/msm/dp/dp_debug.c
@@ -7,6 +7,7 @@
#include <linux/debugfs.h>
#include <drm/drm_connector.h>
+#include <drm/drm_file.h>
#include "dp_parser.h"
#include "dp_catalog.h"
@@ -15,7 +16,7 @@
#include "dp_debug.h"
#include "dp_display.h"
-#define DEBUG_NAME "drm_dp"
+#define DEBUG_NAME "msm_dp"
struct dp_debug_private {
struct dentry *root;
@@ -25,6 +26,7 @@ struct dp_debug_private {
struct dp_panel *panel;
struct drm_connector **connector;
struct device *dev;
+ struct drm_device *drm_dev;
struct dp_debug dp_debug;
};
@@ -206,41 +208,29 @@ static const struct file_operations dp_debug_fops = {
.read = dp_debug_read_info,
};
-static int dp_debug_init(struct dp_debug *dp_debug)
+static int dp_debug_init(struct dp_debug *dp_debug, struct drm_minor *minor)
{
int rc = 0;
struct dp_debug_private *debug = container_of(dp_debug,
struct dp_debug_private, dp_debug);
- struct dentry *dir, *file;
+ struct dentry *file;
- dir = debugfs_create_dir(DEBUG_NAME, NULL);
- if (IS_ERR_OR_NULL(dir)) {
- rc = PTR_ERR(dir);
- DRM_ERROR("[%s] debugfs create dir failed, rc = %d\n",
- DEBUG_NAME, rc);
- goto error;
- }
-
- file = debugfs_create_file("dp_debug", 0444, dir,
+ file = debugfs_create_file("dp_debug", 0444, minor->debugfs_root,
debug, &dp_debug_fops);
if (IS_ERR_OR_NULL(file)) {
rc = PTR_ERR(file);
DRM_ERROR("[%s] debugfs create file failed, rc=%d\n",
DEBUG_NAME, rc);
- goto error_remove_dir;
}
- debug->root = dir;
- return rc;
- error_remove_dir:
- debugfs_remove(dir);
- error:
+ debug->root = minor->debugfs_root;
+
return rc;
}
struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
struct dp_usbpd *usbpd, struct dp_link *link,
- struct drm_connector **connector)
+ struct drm_connector **connector, struct drm_minor *minor)
{
int rc = 0;
struct dp_debug_private *debug;
@@ -263,6 +253,7 @@ struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
debug->link = link;
debug->panel = panel;
debug->dev = dev;
+ debug->drm_dev = minor->dev;
debug->connector = connector;
dp_debug = &debug->dp_debug;
@@ -270,7 +261,7 @@ struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
dp_debug->hdisplay = 0;
dp_debug->vrefresh = 0;
- rc = dp_debug_init(dp_debug);
+ rc = dp_debug_init(dp_debug, minor);
if (rc) {
devm_kfree(dev, debug);
goto error;
diff --git a/drivers/gpu/drm/msm/dp/dp_debug.h b/drivers/gpu/drm/msm/dp/dp_debug.h
index fddf827ac089..377e166fd0ea 100644
--- a/drivers/gpu/drm/msm/dp/dp_debug.h
+++ b/drivers/gpu/drm/msm/dp/dp_debug.h
@@ -35,6 +35,7 @@ struct dp_debug {
* @usbpd: instance of usbpd module
* @link: instance of link module
* @connector: double pointer to display connector
+ * @minor: pointer to drm minor number after device registration
* return: pointer to allocated debug module data
*
* This function sets up the debug module and provides a way
@@ -42,7 +43,9 @@ struct dp_debug {
*/
struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
struct dp_usbpd *usbpd, struct dp_link *link,
- struct drm_connector **connector);
+ struct drm_connector **connector,
+ struct drm_minor *minor);
+
/**
* dp_debug_put()
*
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index bcebde784570..646303fc2935 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -229,10 +229,8 @@ static int dp_display_bind(struct device *dev, struct device *master,
}
rc = dp_register_audio_driver(dev, dp->audio);
- if (rc) {
+ if (rc)
DRM_ERROR("Audio registration Dp failed\n");
- goto end;
- }
end:
return rc;
@@ -773,19 +771,8 @@ static int dp_init_sub_modules(struct dp_display_private *dp)
goto error_audio;
}
- dp->debug = dp_debug_get(dev, dp->panel, dp->usbpd,
- dp->link, &dp->dp_display.connector);
- if (IS_ERR(dp->debug)) {
- rc = PTR_ERR(dp->debug);
- DRM_ERROR("failed to initialize debug, rc = %d\n", rc);
- dp->debug = NULL;
- goto error_debug;
- }
-
return rc;
-error_debug:
- dp_audio_put(dp->audio);
error_audio:
dp_ctrl_put(dp->ctrl);
error_ctrl:
@@ -1299,6 +1286,25 @@ void msm_dp_irq_postinstall(struct msm_dp *dp_display)
dp_add_event(dp, EV_HPD_INIT_SETUP, 0, 100);
}
+void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor)
+{
+ struct dp_display_private *dp;
+ struct device *dev;
+ int rc;
+
+ dp = container_of(dp_display, struct dp_display_private, dp_display);
+ dev = &dp->pdev->dev;
+
+ dp->debug = dp_debug_get(dev, dp->panel, dp->usbpd,
+ dp->link, &dp->dp_display.connector,
+ minor);
+ if (IS_ERR(dp->debug)) {
+ rc = PTR_ERR(dp->debug);
+ DRM_ERROR("failed to initialize debug, rc = %d\n", rc);
+ dp->debug = NULL;
+ }
+}
+
int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev,
struct drm_encoder *encoder)
{
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index d30b2a2e25ec..0311a4f8bbe2 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -390,6 +390,8 @@ void msm_dp_display_mode_set(struct msm_dp *dp, struct drm_encoder *encoder,
struct drm_display_mode *adjusted_mode);
void msm_dp_irq_postinstall(struct msm_dp *dp_display);
+void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor);
+
#else
static inline int __init msm_dp_register(void)
{
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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