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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c99
1 files changed, 82 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index bc3e7a82b402..049046c60462 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -25,6 +25,7 @@
#include <linux/string_helpers.h>
#include <linux/uaccess.h>
+#include <media/cec-notifier.h>
#include "dc.h"
#include "amdgpu.h"
@@ -2848,6 +2849,67 @@ static int is_dpia_link_show(struct seq_file *m, void *data)
return 0;
}
+/**
+ * hdmi_cec_state_show - Read out the HDMI-CEC feature status
+ * @m: sequence file.
+ * @data: unused.
+ *
+ * Return 0 on success
+ */
+static int hdmi_cec_state_show(struct seq_file *m, void *data)
+{
+ struct drm_connector *connector = m->private;
+ struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
+
+ seq_printf(m, "%s:%d\n", connector->name, connector->base.id);
+ seq_printf(m, "HDMI-CEC status: %d\n", aconnector->notifier ? 1 : 0);
+
+ return 0;
+}
+
+/**
+ * hdmi_cec_state_write - Enable/Disable HDMI-CEC feature from driver side
+ * @f: file structure.
+ * @buf: userspace buffer. set to '1' to enable; '0' to disable cec feature.
+ * @size: size of buffer from userpsace.
+ * @pos: unused.
+ *
+ * Return size on success, error code on failure
+ */
+static ssize_t hdmi_cec_state_write(struct file *f, const char __user *buf,
+ size_t size, loff_t *pos)
+{
+ int ret;
+ bool enable;
+ struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private;
+ struct drm_device *ddev = aconnector->base.dev;
+
+ if (size == 0)
+ return -EINVAL;
+
+ ret = kstrtobool_from_user(buf, size, &enable);
+ if (ret) {
+ drm_dbg_driver(ddev, "invalid user data !\n");
+ return ret;
+ }
+
+ if (enable) {
+ if (aconnector->notifier)
+ return -EINVAL;
+ ret = amdgpu_dm_initialize_hdmi_connector(aconnector);
+ if (ret)
+ return ret;
+ hdmi_cec_set_edid(aconnector);
+ } else {
+ if (!aconnector->notifier)
+ return -EINVAL;
+ cec_notifier_conn_unregister(aconnector->notifier);
+ aconnector->notifier = NULL;
+ }
+
+ return size;
+}
+
DEFINE_SHOW_ATTRIBUTE(dp_dsc_fec_support);
DEFINE_SHOW_ATTRIBUTE(dmub_fw_state);
DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer);
@@ -2860,6 +2922,7 @@ DEFINE_SHOW_ATTRIBUTE(psr_capability);
DEFINE_SHOW_ATTRIBUTE(dp_is_mst_connector);
DEFINE_SHOW_ATTRIBUTE(dp_mst_progress_status);
DEFINE_SHOW_ATTRIBUTE(is_dpia_link);
+DEFINE_SHOW_STORE_ATTRIBUTE(hdmi_cec_state);
static const struct file_operations dp_dsc_clock_en_debugfs_fops = {
.owner = THIS_MODULE,
@@ -2995,7 +3058,8 @@ static const struct {
char *name;
const struct file_operations *fops;
} hdmi_debugfs_entries[] = {
- {"hdcp_sink_capability", &hdcp_sink_capability_fops}
+ {"hdcp_sink_capability", &hdcp_sink_capability_fops},
+ {"hdmi_cec_state", &hdmi_cec_state_fops}
};
/*
@@ -3480,8 +3544,8 @@ static int crc_win_x_start_set(void *data, u64 val)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
spin_lock_irq(&drm_dev->event_lock);
- acrtc->dm_irq_params.window_param.x_start = (uint16_t) val;
- acrtc->dm_irq_params.window_param.update_win = false;
+ acrtc->dm_irq_params.window_param[0].x_start = (uint16_t) val;
+ acrtc->dm_irq_params.window_param[0].update_win = false;
spin_unlock_irq(&drm_dev->event_lock);
return 0;
@@ -3497,7 +3561,7 @@ static int crc_win_x_start_get(void *data, u64 *val)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
spin_lock_irq(&drm_dev->event_lock);
- *val = acrtc->dm_irq_params.window_param.x_start;
+ *val = acrtc->dm_irq_params.window_param[0].x_start;
spin_unlock_irq(&drm_dev->event_lock);
return 0;
@@ -3517,8 +3581,8 @@ static int crc_win_y_start_set(void *data, u64 val)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
spin_lock_irq(&drm_dev->event_lock);
- acrtc->dm_irq_params.window_param.y_start = (uint16_t) val;
- acrtc->dm_irq_params.window_param.update_win = false;
+ acrtc->dm_irq_params.window_param[0].y_start = (uint16_t) val;
+ acrtc->dm_irq_params.window_param[0].update_win = false;
spin_unlock_irq(&drm_dev->event_lock);
return 0;
@@ -3534,7 +3598,7 @@ static int crc_win_y_start_get(void *data, u64 *val)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
spin_lock_irq(&drm_dev->event_lock);
- *val = acrtc->dm_irq_params.window_param.y_start;
+ *val = acrtc->dm_irq_params.window_param[0].y_start;
spin_unlock_irq(&drm_dev->event_lock);
return 0;
@@ -3553,8 +3617,8 @@ static int crc_win_x_end_set(void *data, u64 val)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
spin_lock_irq(&drm_dev->event_lock);
- acrtc->dm_irq_params.window_param.x_end = (uint16_t) val;
- acrtc->dm_irq_params.window_param.update_win = false;
+ acrtc->dm_irq_params.window_param[0].x_end = (uint16_t) val;
+ acrtc->dm_irq_params.window_param[0].update_win = false;
spin_unlock_irq(&drm_dev->event_lock);
return 0;
@@ -3570,7 +3634,7 @@ static int crc_win_x_end_get(void *data, u64 *val)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
spin_lock_irq(&drm_dev->event_lock);
- *val = acrtc->dm_irq_params.window_param.x_end;
+ *val = acrtc->dm_irq_params.window_param[0].x_end;
spin_unlock_irq(&drm_dev->event_lock);
return 0;
@@ -3589,8 +3653,8 @@ static int crc_win_y_end_set(void *data, u64 val)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
spin_lock_irq(&drm_dev->event_lock);
- acrtc->dm_irq_params.window_param.y_end = (uint16_t) val;
- acrtc->dm_irq_params.window_param.update_win = false;
+ acrtc->dm_irq_params.window_param[0].y_end = (uint16_t) val;
+ acrtc->dm_irq_params.window_param[0].update_win = false;
spin_unlock_irq(&drm_dev->event_lock);
return 0;
@@ -3606,7 +3670,7 @@ static int crc_win_y_end_get(void *data, u64 *val)
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
spin_lock_irq(&drm_dev->event_lock);
- *val = acrtc->dm_irq_params.window_param.y_end;
+ *val = acrtc->dm_irq_params.window_param[0].y_end;
spin_unlock_irq(&drm_dev->event_lock);
return 0;
@@ -3629,13 +3693,14 @@ static int crc_win_update_set(void *data, u64 val)
/* PSR may write to OTG CRC window control register,
* so close it before starting secure_display.
*/
- amdgpu_dm_psr_disable(acrtc->dm_irq_params.stream);
+ amdgpu_dm_psr_disable(acrtc->dm_irq_params.stream, true);
spin_lock_irq(&adev_to_drm(adev)->event_lock);
- acrtc->dm_irq_params.window_param.activated = true;
- acrtc->dm_irq_params.window_param.update_win = true;
- acrtc->dm_irq_params.window_param.skip_frame_cnt = 0;
+ acrtc->dm_irq_params.window_param[0].enable = true;
+ acrtc->dm_irq_params.window_param[0].update_win = true;
+ acrtc->dm_irq_params.window_param[0].skip_frame_cnt = 0;
+ acrtc->dm_irq_params.crc_window_activated = true;
spin_unlock_irq(&adev_to_drm(adev)->event_lock);
mutex_unlock(&adev->dm.dc_lock);
generated by cgit v1.2.3 (git 2.39.1) at 2026-01-10 20:38:47 +0000