diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display')
5 files changed, 69 insertions, 31 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 db5e0bb0d935..86ffa0c2880f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -974,6 +974,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) /* Update the actual used number of crtc */ adev->mode_info.num_crtc = adev->dm.display_indexes_num; + /* create fake encoders for MST */ + dm_dp_create_fake_mst_encoders(adev); + /* TODO: Add_display_info? */ /* TODO use dynamic cursor width */ @@ -997,6 +1000,12 @@ error: static void amdgpu_dm_fini(struct amdgpu_device *adev) { + int i; + + for (i = 0; i < adev->dm.display_indexes_num; i++) { + drm_encoder_cleanup(&adev->dm.mst_encoders[i].base); + } + amdgpu_dm_audio_fini(adev); amdgpu_dm_destroy_drm_device(&adev->dm); @@ -2010,6 +2019,7 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) struct amdgpu_display_manager *dm; struct drm_connector *conn_base; struct amdgpu_device *adev; + struct dc_link *link = NULL; static const u8 pre_computed_values[] = { 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 65, 66, 68, 69, 71, 72, 74, 75, 77, 79, 81, 82, 84, 86, 88, 90, 92, 94, 96, 98}; @@ -2017,6 +2027,10 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) if (!aconnector || !aconnector->dc_link) return; + link = aconnector->dc_link; + if (link->connector_signal != SIGNAL_TYPE_EDP) + return; + conn_base = &aconnector->base; adev = conn_base->dev->dev_private; dm = &adev->dm; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index d61186ff411d..648180ccdc2e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -43,6 +43,9 @@ */ #define AMDGPU_DM_MAX_DISPLAY_INDEX 31 + +#define AMDGPU_DM_MAX_CRTC 6 + /* #include "include/amdgpu_dal_power_if.h" #include "amdgpu_dm_irq.h" @@ -328,6 +331,13 @@ struct amdgpu_display_manager { * available in FW */ const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box; + + /** + * @mst_encoders: + * + * fake encoders used for DP MST. + */ + struct amdgpu_encoder mst_encoders[AMDGPU_DM_MAX_CRTC]; }; struct amdgpu_dm_connector { @@ -356,7 +366,6 @@ struct amdgpu_dm_connector { struct amdgpu_dm_dp_aux dm_dp_aux; struct drm_dp_mst_port *port; struct amdgpu_dm_connector *mst_port; - struct amdgpu_encoder *mst_encoder; struct drm_dp_aux *dsc_aux; /* TODO see if we can merge with ddc_bus or make a dm_connector */ 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 ae0a7ef1d595..e5ecc5affa1e 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 @@ -95,7 +95,6 @@ dm_dp_mst_connector_destroy(struct drm_connector *connector) { struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); - struct amdgpu_encoder *amdgpu_encoder = aconnector->mst_encoder; if (aconnector->dc_sink) { dc_link_remove_remote_sink(aconnector->dc_link, @@ -105,8 +104,6 @@ dm_dp_mst_connector_destroy(struct drm_connector *connector) kfree(aconnector->edid); - drm_encoder_cleanup(&amdgpu_encoder->base); - kfree(amdgpu_encoder); drm_connector_cleanup(connector); drm_dp_mst_put_port_malloc(aconnector->port); kfree(aconnector); @@ -243,7 +240,11 @@ static struct drm_encoder * dm_mst_atomic_best_encoder(struct drm_connector *connector, struct drm_connector_state *connector_state) { - return &to_amdgpu_dm_connector(connector)->mst_encoder->base; + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(connector_state->crtc); + + return &adev->dm.mst_encoders[acrtc->crtc_id].base; } static int @@ -306,31 +307,27 @@ static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = { .destroy = amdgpu_dm_encoder_destroy, }; -static struct amdgpu_encoder * -dm_dp_create_fake_mst_encoder(struct amdgpu_dm_connector *connector) +void +dm_dp_create_fake_mst_encoders(struct amdgpu_device *adev) { - struct drm_device *dev = connector->base.dev; - struct amdgpu_device *adev = dev->dev_private; - struct amdgpu_encoder *amdgpu_encoder; - struct drm_encoder *encoder; - - amdgpu_encoder = kzalloc(sizeof(*amdgpu_encoder), GFP_KERNEL); - if (!amdgpu_encoder) - return NULL; + struct drm_device *dev = adev->ddev; + int i; - encoder = &amdgpu_encoder->base; - encoder->possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev); + for (i = 0; i < adev->dm.display_indexes_num; i++) { + struct amdgpu_encoder *amdgpu_encoder = &adev->dm.mst_encoders[i]; + struct drm_encoder *encoder = &amdgpu_encoder->base; - drm_encoder_init( - dev, - &amdgpu_encoder->base, - &amdgpu_dm_encoder_funcs, - DRM_MODE_ENCODER_DPMST, - NULL); + encoder->possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev); - drm_encoder_helper_add(encoder, &amdgpu_dm_encoder_helper_funcs); + drm_encoder_init( + dev, + &amdgpu_encoder->base, + &amdgpu_dm_encoder_funcs, + DRM_MODE_ENCODER_DPMST, + NULL); - return amdgpu_encoder; + drm_encoder_helper_add(encoder, &amdgpu_dm_encoder_helper_funcs); + } } static struct drm_connector * @@ -343,6 +340,7 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, struct amdgpu_device *adev = dev->dev_private; struct amdgpu_dm_connector *aconnector; struct drm_connector *connector; + int i; aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL); if (!aconnector) @@ -369,9 +367,10 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, master->dc_link, master->connector_id); - aconnector->mst_encoder = dm_dp_create_fake_mst_encoder(master); - drm_connector_attach_encoder(&aconnector->base, - &aconnector->mst_encoder->base); + for (i = 0; i < adev->dm.display_indexes_num; i++) { + drm_connector_attach_encoder(&aconnector->base, + &adev->dm.mst_encoders[i].base); + } connector->max_bpc_property = master->base.max_bpc_property; if (connector->max_bpc_property) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h index d2c56579a2cc..b38bd68121ce 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h @@ -35,6 +35,9 @@ void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm, struct amdgpu_dm_connector *aconnector, int link_index); +void +dm_dp_create_fake_mst_encoders(struct amdgpu_device *adev); + #if defined(CONFIG_DRM_AMD_DC_DCN) bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, struct dc_state *dc_state); diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 4f0e7203dba4..470c82794f6f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -56,7 +56,7 @@ void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink) } } -static void dc_stream_construct(struct dc_stream_state *stream, +static bool dc_stream_construct(struct dc_stream_state *stream, struct dc_sink *dc_sink_data) { uint32_t i = 0; @@ -118,11 +118,17 @@ static void dc_stream_construct(struct dc_stream_state *stream, update_stream_signal(stream, dc_sink_data); stream->out_transfer_func = dc_create_transfer_func(); + if (stream->out_transfer_func == NULL) { + dc_sink_release(dc_sink_data); + return false; + } stream->out_transfer_func->type = TF_TYPE_BYPASS; stream->out_transfer_func->ctx = stream->ctx; stream->stream_id = stream->ctx->dc_stream_id_count; stream->ctx->dc_stream_id_count++; + + return true; } static void dc_stream_destruct(struct dc_stream_state *stream) @@ -164,13 +170,20 @@ struct dc_stream_state *dc_create_stream_for_sink( stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL); if (stream == NULL) - return NULL; + goto alloc_fail; - dc_stream_construct(stream, sink); + if (dc_stream_construct(stream, sink) == false) + goto construct_fail; kref_init(&stream->refcount); return stream; + +construct_fail: + kfree(stream); + +alloc_fail: + return NULL; } struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream) |