diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 66 |
1 files changed, 16 insertions, 50 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index ee1dc75f5ddc..66f266a5e10b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -97,11 +97,8 @@ enum dc_edid_status dm_helpers_parse_edid_caps( (struct edid *) edid->raw_edid); sad_count = drm_edid_to_sad((struct edid *) edid->raw_edid, &sads); - if (sad_count <= 0) { - DRM_INFO("SADs count is: %d, don't need to read it\n", - sad_count); + if (sad_count <= 0) return result; - } edid_caps->audio_mode_count = sad_count < DC_MAX_AUDIO_DESC_COUNT ? sad_count : DC_MAX_AUDIO_DESC_COUNT; for (i = 0; i < edid_caps->audio_mode_count; ++i) { @@ -183,19 +180,22 @@ bool dm_helpers_dp_mst_write_payload_allocation_table( bool enable) { struct amdgpu_dm_connector *aconnector; + struct dm_connector_state *dm_conn_state; struct drm_dp_mst_topology_mgr *mst_mgr; struct drm_dp_mst_port *mst_port; - int slots = 0; bool ret; - int clock; - int bpp = 0; - int pbn = 0; aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; + /* Accessing the connector state is required for vcpi_slots allocation + * and directly relies on behaviour in commit check + * that blocks before commit guaranteeing that the state + * is not gonna be swapped while still in use in commit tail */ if (!aconnector || !aconnector->mst_port) return false; + dm_conn_state = to_dm_connector_state(aconnector->base.state); + mst_mgr = &aconnector->mst_port->mst_mgr; if (!mst_mgr->mst_state) @@ -204,42 +204,10 @@ bool dm_helpers_dp_mst_write_payload_allocation_table( mst_port = aconnector->port; if (enable) { - clock = stream->timing.pix_clk_100hz / 10; - - switch (stream->timing.display_color_depth) { - - case COLOR_DEPTH_666: - bpp = 6; - break; - case COLOR_DEPTH_888: - bpp = 8; - break; - case COLOR_DEPTH_101010: - bpp = 10; - break; - case COLOR_DEPTH_121212: - bpp = 12; - break; - case COLOR_DEPTH_141414: - bpp = 14; - break; - case COLOR_DEPTH_161616: - bpp = 16; - break; - default: - ASSERT(bpp != 0); - break; - } - - bpp = bpp * 3; - - /* TODO need to know link rate */ - - pbn = drm_dp_calc_pbn_mode(clock, bpp); - - slots = drm_dp_find_vcpi_slots(mst_mgr, pbn); - ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port, pbn, slots); + ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port, + dm_conn_state->pbn, + dm_conn_state->vcpi_slots); if (!ret) return false; @@ -282,7 +250,7 @@ void dm_helpers_dp_mst_clear_payload_allocation_table( * Polls for ACT (allocation change trigger) handled and sends * ALLOCATE_PAYLOAD message. */ -bool dm_helpers_dp_mst_poll_for_allocation_change_trigger( +enum act_return_status dm_helpers_dp_mst_poll_for_allocation_change_trigger( struct dc_context *ctx, const struct dc_stream_state *stream) { @@ -293,19 +261,19 @@ bool dm_helpers_dp_mst_poll_for_allocation_change_trigger( aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; if (!aconnector || !aconnector->mst_port) - return false; + return ACT_FAILED; mst_mgr = &aconnector->mst_port->mst_mgr; if (!mst_mgr->mst_state) - return false; + return ACT_FAILED; ret = drm_dp_check_act_status(mst_mgr); if (ret) - return false; + return ACT_FAILED; - return true; + return ACT_SUCCESS; } bool dm_helpers_dp_mst_send_payload_allocation( @@ -541,7 +509,6 @@ bool dm_helpers_submit_i2c( return result; } -#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT bool dm_helpers_dp_write_dsc_enable( struct dc_context *ctx, const struct dc_stream_state *stream, @@ -552,7 +519,6 @@ bool dm_helpers_dp_write_dsc_enable( return dm_helpers_dp_write_dpcd(ctx, stream->sink->link, DP_DSC_ENABLE, &enable_dsc, 1); } -#endif bool dm_helpers_is_dp_sink_present(struct dc_link *link) { |