diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 4a4b3bcd4230..bd34193ad779 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1516,18 +1516,41 @@ static struct dc_link *get_link_for_edp_not_in_use( */ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) { - /* check eDP lid state: - * If lid is open, vbios already light up eDP, so we can leverage vbios and skip eDP - * programming + /* check eDP lid state and BIOS_SCRATCH_3 to determine fast boot optimization + * UEFI boot + * edp_active_status_from_scratch fast boot optimization + * S4/S5 resume: + * Lid Open true true + * Lid Close false false + * + * S3/ resume: + * Lid Open false false + * Lid Close false false + * + * Legacy boot: + * edp_active_status_from_scratch fast boot optimization + * S4/S resume: + * Lid Open true true + * Lid Close true false + * + * S3/ resume: + * Lid Open false false + * Lid Close false false */ + struct dc_bios *dcb = dc->ctx->dc_bios; bool lid_state_closed = is_eDP_lid_closed(context); struct dc_link *edp_link_to_turnoff = NULL; + bool edp_active_status_from_scratch = + (dcb->funcs->get_vga_enabled_displays(dc->ctx->dc_bios) == ATOM_DISPLAY_LCD1_ACTIVE); + /*Lid open*/ if (!lid_state_closed) { edp_link_to_turnoff = get_link_for_edp_not_in_use(dc, context); - /* if OS doesn't light up eDP and eDP link is available, we want to disable */ - if (!edp_link_to_turnoff) + /* if OS doesn't light up eDP and eDP link is available, we want to disable + * If resume from S4/S5, should optimization. + */ + if (!edp_link_to_turnoff && edp_active_status_from_scratch) dc->apply_edp_fast_boot_optimization = true; } |