diff options
author | Angus Wang <angus.wang@amd.com> | 2021-11-12 20:13:48 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-11-22 22:45:01 +0300 |
commit | 2430be71c0176ef2757b63df5a25aa5c9e488e25 (patch) | |
tree | 65ecd3c345b3e91382c38bfbc40401ed5efde5c4 /drivers/gpu/drm/amd/display/dc/dcn301 | |
parent | 430bb83dbdf3c86768fcf2f6fba2982823261f6d (diff) | |
download | linux-2430be71c0176ef2757b63df5a25aa5c9e488e25.tar.xz |
drm/amd/display: Fix LTTPR not Enabled
[WHY]
Previous LTTPR change has caused a regression that led to an
issue where LTTPR is disabled
[HOW]
Extended changes from previous fix to DCN30X
Reviewed-by: Wesley Chalmers <wesley.chalmers@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Angus Wang <angus.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn301')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c index 2650d3bd50ec..e3596a5f68b1 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c @@ -1485,6 +1485,23 @@ static bool dcn301_resource_construct( dc->caps.color.mpc.ogam_rom_caps.hlg = 0; dc->caps.color.mpc.ocsc = 1; + /* read VBIOS LTTPR caps */ + if (ctx->dc_bios->funcs->get_lttpr_caps) { + enum bp_result bp_query_result; + uint8_t is_vbios_lttpr_enable = 0; + + bp_query_result = ctx->dc_bios->funcs->get_lttpr_caps(ctx->dc_bios, &is_vbios_lttpr_enable); + dc->caps.vbios_lttpr_enable = (bp_query_result == BP_RESULT_OK) && !!is_vbios_lttpr_enable; + } + + if (ctx->dc_bios->funcs->get_lttpr_interop) { + enum bp_result bp_query_result; + uint8_t is_vbios_interop_enabled = 0; + + bp_query_result = ctx->dc_bios->funcs->get_lttpr_interop(ctx->dc_bios, &is_vbios_interop_enabled); + dc->caps.vbios_lttpr_aware = (bp_query_result == BP_RESULT_OK) && !!is_vbios_interop_enabled; + } + if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV) dc->debug = debug_defaults_drv; else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) { |