diff options
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.c | 43 |
1 files changed, 37 insertions, 6 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 da17ece1a2c5..c7a592d68feb 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 @@ -291,9 +291,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf, case LINK_RATE_RBR2: case LINK_RATE_HIGH2: case LINK_RATE_HIGH3: -#if defined(CONFIG_DRM_AMD_DC_DCN) case LINK_RATE_UHBR10: -#endif break; default: valid_input = false; @@ -3411,7 +3409,6 @@ static int disable_hpd_get(void *data, u64 *val) DEFINE_DEBUGFS_ATTRIBUTE(disable_hpd_ops, disable_hpd_get, disable_hpd_set, "%llu\n"); -#if defined(CONFIG_DRM_AMD_DC_DCN) /* * Temporary w/a to force sst sequence in M42D DP2 mst receiver * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_dp_set_mst_en_for_sst @@ -3459,7 +3456,6 @@ static int dp_ignore_cable_id_get(void *data, u64 *val) } DEFINE_DEBUGFS_ATTRIBUTE(dp_ignore_cable_id_ops, dp_ignore_cable_id_get, dp_ignore_cable_id_set, "%llu\n"); -#endif /* * Sets the DC visual confirm debug option from the given string. @@ -3491,6 +3487,40 @@ DEFINE_SHOW_ATTRIBUTE(mst_topo); DEFINE_DEBUGFS_ATTRIBUTE(visual_confirm_fops, visual_confirm_get, visual_confirm_set, "%llu\n"); + +/* + * Sets the DC skip_detection_link_training debug option from the given string. + * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_skip_detection_link_training + */ +static int skip_detection_link_training_set(void *data, u64 val) +{ + struct amdgpu_device *adev = data; + + if (val == 0) + adev->dm.dc->debug.skip_detection_link_training = false; + else + adev->dm.dc->debug.skip_detection_link_training = true; + + return 0; +} + +/* + * Reads the DC skip_detection_link_training debug option value into the given buffer. + * Example usage: cat /sys/kernel/debug/dri/0/amdgpu_dm_skip_detection_link_training + */ +static int skip_detection_link_training_get(void *data, u64 *val) +{ + struct amdgpu_device *adev = data; + + *val = adev->dm.dc->debug.skip_detection_link_training; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(skip_detection_link_training_fops, + skip_detection_link_training_get, + skip_detection_link_training_set, "%llu\n"); + /* * Dumps the DCC_EN bit for each pipe. * Example usage: cat /sys/kernel/debug/dri/0/amdgpu_dm_dcc_en @@ -3574,16 +3604,17 @@ void dtn_debugfs_init(struct amdgpu_device *adev) adev, &mst_topo_fops); debugfs_create_file("amdgpu_dm_dtn_log", 0644, root, adev, &dtn_log_fops); -#if defined(CONFIG_DRM_AMD_DC_DCN) debugfs_create_file("amdgpu_dm_dp_set_mst_en_for_sst", 0644, root, adev, &dp_set_mst_en_for_sst_ops); debugfs_create_file("amdgpu_dm_dp_ignore_cable_id", 0644, root, adev, &dp_ignore_cable_id_ops); -#endif debugfs_create_file_unsafe("amdgpu_dm_visual_confirm", 0644, root, adev, &visual_confirm_fops); + debugfs_create_file_unsafe("amdgpu_dm_skip_detection_link_training", 0644, root, adev, + &skip_detection_link_training_fops); + debugfs_create_file_unsafe("amdgpu_dm_dmub_tracebuffer", 0644, root, adev, &dmub_tracebuffer_fops); |