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drm/amd/display: Add DP-HDMI FRL PCON Support in DC

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Change since v1: add brief description
1. Add hdmi frl pcon support to existing asic family.
2. Determine pcon frl capability based on pcon dpcd.
3. pcon frl is taken into consideration into mode validation.

v2: squash in warning fix (Alex)

Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Fangzhi Zuo
2021-11-25 16:06:10 -05:00
committed by Alex Deucher
parent 50b1f44ec5
commit c022375ae0
11 changed files with 135 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
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@@ -2639,6 +2639,8 @@ static bool dcn30_resource_construct(
dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
dc->caps.color.mpc.ocsc = 1;
dc->caps.hdmi_frl_pcon_support = true;
/* read VBIOS LTTPR caps */
{
if (ctx->dc_bios->funcs->get_lttpr_caps) {