diff options
Diffstat (limited to 'drivers/gpu')
7 files changed, 33 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c index c00e405b63e8..fb3cceec1a7f 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -3803,6 +3803,7 @@ static const struct dc_vbios_funcs vbios_funcs = { /* bios scratch register communication */ .is_accelerated_mode = bios_is_accelerated_mode, + .get_vga_enabled_displays = bios_get_vga_enabled_displays, .set_scratch_critical_state = bios_parser_set_scratch_critical_state, diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c index 1ee1717f2e6f..1689c670ca6f 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -1280,6 +1280,12 @@ static bool bios_parser_is_accelerated_mode( return bios_is_accelerated_mode(dcb); } +static uint32_t bios_parser_get_vga_enabled_displays( + struct dc_bios *bios) +{ + return bios_get_vga_enabled_displays(bios); +} + /** * bios_parser_set_scratch_critical_state @@ -1800,6 +1806,7 @@ static const struct dc_vbios_funcs vbios_funcs = { .is_accelerated_mode = bios_parser_is_accelerated_mode, + .get_vga_enabled_displays = bios_parser_get_vga_enabled_displays, .set_scratch_critical_state = bios_parser_set_scratch_critical_state, diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c index 5c9e5108c32c..d4589470985c 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c @@ -78,5 +78,13 @@ void bios_set_scratch_critical_state( REG_UPDATE(BIOS_SCRATCH_6, S6_CRITICAL_STATE, critial_state); } +uint32_t bios_get_vga_enabled_displays( + struct dc_bios *bios) +{ + uint32_t active_disp = 1; + if (bios->regs->BIOS_SCRATCH_3) /*follow up with other asic, todo*/ + active_disp = REG_READ(BIOS_SCRATCH_3) & 0XFFFF; + return active_disp; +} diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.h b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.h index c0047efeb006..75a29e68fb27 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.h +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.h @@ -34,6 +34,7 @@ uint8_t *bios_get_image(struct dc_bios *bp, uint32_t offset, bool bios_is_accelerated_mode(struct dc_bios *bios); void bios_set_scratch_acc_mode_change(struct dc_bios *bios); void bios_set_scratch_critical_state(struct dc_bios *bios, bool state); +uint32_t bios_get_vga_enabled_displays(struct dc_bios *bios); #define GET_IMAGE(type, offset) ((type *) bios_get_image(&bp->base, offset, sizeof(type))) diff --git a/drivers/gpu/drm/amd/display/dc/dc_bios_types.h b/drivers/gpu/drm/amd/display/dc/dc_bios_types.h index 273d80a4ebce..d9b84ec7954c 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_bios_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_bios_types.h @@ -111,6 +111,8 @@ struct dc_vbios_funcs { struct dc_bios *bios); bool (*is_accelerated_mode)( struct dc_bios *bios); + uint32_t (*get_vga_enabled_displays)( + struct dc_bios *bios); void (*get_bios_event_info)( struct dc_bios *bios, struct bios_event_info *info); @@ -199,6 +201,7 @@ struct dc_vbios_funcs { }; struct bios_registers { + uint32_t BIOS_SCRATCH_3; uint32_t BIOS_SCRATCH_6; }; 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 bc1c4546ef69..b87974e2a41b 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 @@ -1484,20 +1484,21 @@ static struct dc_link *get_link_for_edp_not_in_use( */ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) { + struct dc_bios *dcb = dc->ctx->dc_bios; struct dc_link *edp_link_to_turnoff = get_link_for_edp_not_in_use(dc, context); struct dc_link *edp_link = get_link_for_edp(dc); - - if (edp_link) - /*we need turn off backlight before DP_blank and encoder powered down*/ - dc->hwss.edp_backlight_control(edp_link, false); - - power_down_all_hw_blocks(dc); - disable_vga_and_power_gate_all_controllers(dc); - - if (edp_link_to_turnoff) - dc->hwss.edp_power_control(edp_link_to_turnoff, false); - + if (dcb->funcs->get_vga_enabled_displays(dc->ctx->dc_bios) != 0) { + if (edp_link_to_turnoff) { + /*we need turn off backlight before DP_blank and encoder powered down, todo add optimization*/ + dc->hwss.edp_backlight_control(edp_link, false); + } + /*resume from S3, no vbios posting, no need to power down again*/ + power_down_all_hw_blocks(dc); + disable_vga_and_power_gate_all_controllers(dc); + if (edp_link_to_turnoff) + dc->hwss.edp_power_control(edp_link_to_turnoff, false); + } bios_set_scratch_acc_mode_change(dc->ctx->dc_bios); } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c index 17dd222f82fe..c4a564cb56b9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c @@ -366,6 +366,7 @@ static const struct dcn_optc_mask tg_mask = { static const struct bios_registers bios_regs = { + NBIO_SR(BIOS_SCRATCH_3), NBIO_SR(BIOS_SCRATCH_6) }; 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