From: Lewis Huang <[email protected]> [Why] We want flexibility to choose how pwrseq instance is mapped to eDP panel
[How] Add configuration option to choose the pwrseq mapping policy. When enabled, allow fixed mapping between DIG inst to pwrseq inst. Reviewed-by: Anthony Koo <[email protected]> Acked-by: Hamza Mahfooz <[email protected]> Signed-off-by: Lewis Huang <[email protected]> --- drivers/gpu/drm/amd/display/dc/dc.h | 1 + drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c | 9 ++++++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 46be4845ec28..db87f9cdd567 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -437,6 +437,7 @@ struct dc_config { bool usb4_bw_alloc_support; bool allow_0_dtb_clk; bool use_assr_psp_message; + bool support_edp0_on_dp1; }; enum visual_confirm { diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c index 281be20b1a10..20c6fe48567f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c @@ -173,5 +173,12 @@ void dcn31_panel_cntl_construct( break; } - dcn31_panel_cntl->base.pwrseq_inst = pwrseq_inst; + if (dcn31_panel_cntl->base.ctx->dc->config.support_edp0_on_dp1) + //If supported, power sequencer mapping shall follow the DIG instance + dcn31_panel_cntl->base.pwrseq_inst = pwrseq_inst; + else + /* If not supported, pwrseq will be assigned in order, + * so first pwrseq will be assigned to first panel instance (legacy behavior) + */ + dcn31_panel_cntl->base.pwrseq_inst = dcn31_panel_cntl->base.inst; } -- 2.44.0
