From 03527f0d0056f5605863d894615a0533afc34c7c Mon Sep 17 00:00:00 2001 From: Mikita Lipski Date: Thu, 31 Oct 2019 16:09:01 -0400 Subject: [PATCH] drm/amd/display: Fix debugfs on MST connectors [why] Previous patch allowed to initialize debugfs entries on both MST and SST connectors, but MST connectors get registered much later which exposed an issue of debugfs entries being initialized in the same folder. [how] Return SST debugfs entries' initialization back to where it was. For MST connectors we should initialize debugfs entries in connector register function after the connector is registered. Signed-off-by: Mikita Lipski Reviewed-by: Nicholas Kazlauskas Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 15 +++++++-------- .../amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 10 +++++++++- 2 files changed, 16 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index c4b9655640b8a..11b9c65e1ee85 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5584,12 +5584,6 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, drm_connector_attach_content_protection_property(&aconnector->base, false); #endif } - -#if defined(CONFIG_DEBUG_FS) - connector_debugfs_init(aconnector); - aconnector->debugfs_dpcd_address = 0; - aconnector->debugfs_dpcd_size = 0; -#endif } static int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap, @@ -5712,8 +5706,6 @@ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, &aconnector->base, &amdgpu_dm_connector_helper_funcs); - drm_connector_register(&aconnector->base); - amdgpu_dm_connector_init_helper( dm, aconnector, @@ -5724,6 +5716,13 @@ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, drm_connector_attach_encoder( &aconnector->base, &aencoder->base); + drm_connector_register(&aconnector->base); +#if defined(CONFIG_DEBUG_FS) + connector_debugfs_init(aconnector); + aconnector->debugfs_dpcd_address = 0; + aconnector->debugfs_dpcd_size = 0; +#endif + if (connector_type == DRM_MODE_CONNECTOR_DisplayPort || connector_type == DRM_MODE_CONNECTOR_eDP) amdgpu_dm_initialize_dp_connector(dm, aconnector); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index ba508a8972631..205531ca686f6 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -36,7 +36,9 @@ #include "dc_link_ddc.h" #include "i2caux_interface.h" - +#if defined(CONFIG_DEBUG_FS) +#include "amdgpu_dm_debugfs.h" +#endif /* #define TRACE_DPCD */ #ifdef TRACE_DPCD @@ -147,6 +149,12 @@ amdgpu_dm_mst_connector_late_register(struct drm_connector *connector) to_amdgpu_dm_connector(connector); struct drm_dp_mst_port *port = amdgpu_dm_connector->port; +#if defined(CONFIG_DEBUG_FS) + connector_debugfs_init(amdgpu_dm_connector); + amdgpu_dm_connector->debugfs_dpcd_address = 0; + amdgpu_dm_connector->debugfs_dpcd_size = 0; +#endif + return drm_dp_mst_connector_late_register(connector, port); } -- 2.30.2