diff options
| author | Wesley Chalmers <Wesley.Chalmers@amd.com> | 2021-03-17 23:36:47 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 23:48:25 +0300 |
| commit | dd8a86877ec0dece66b5633b57622767696fc31f (patch) | |
| tree | 5e3218f5ebe3f2073759803ab8493160184584cb /drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | |
| parent | 6b91a404c8a57728a5fddfbf7dc47cf8517bfcc2 (diff) | |
| download | linux-dd8a86877ec0dece66b5633b57622767696fc31f.tar.xz | |
drm/amd/display: Interface for LTTPR interop
[WHY]
The logic to toggle LTTPR transparent/non-transparent requires 2 flags
provided by BIOS
[HOW]
Repurpose the interface to get dce caps so both LTTPR querying functions
can use them.
Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 75 |
1 files changed, 63 insertions, 12 deletions
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 2ee0c6fc069a..d79f4fe06c47 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -916,7 +916,7 @@ static enum bp_result bios_parser_get_soc_bb_info( return result; } -static enum bp_result get_lttpr_caps_v4_1( +static enum bp_result get_disp_caps_v4_1( struct bios_parser *bp, uint8_t *dce_caps) { @@ -935,12 +935,12 @@ static enum bp_result get_lttpr_caps_v4_1( if (!disp_cntl_tbl) return BP_RESULT_BADBIOSTABLE; - *dce_caps = !!(disp_cntl_tbl->display_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE); + *dce_caps = disp_cntl_tbl->display_caps; return result; } -static enum bp_result get_lttpr_caps_v4_2( +static enum bp_result get_disp_caps_v4_2( struct bios_parser *bp, uint8_t *dce_caps) { @@ -959,12 +959,12 @@ static enum bp_result get_lttpr_caps_v4_2( if (!disp_cntl_tbl) return BP_RESULT_BADBIOSTABLE; - *dce_caps = !!(disp_cntl_tbl->display_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE); + *dce_caps = disp_cntl_tbl->display_caps; return result; } -static enum bp_result get_lttpr_caps_v4_3( +static enum bp_result get_disp_caps_v4_3( struct bios_parser *bp, uint8_t *dce_caps) { @@ -983,12 +983,12 @@ static enum bp_result get_lttpr_caps_v4_3( if (!disp_cntl_tbl) return BP_RESULT_BADBIOSTABLE; - *dce_caps = !!(disp_cntl_tbl->display_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE); + *dce_caps = disp_cntl_tbl->display_caps; return result; } -static enum bp_result get_lttpr_caps_v4_4( +static enum bp_result get_disp_caps_v4_4( struct bios_parser *bp, uint8_t *dce_caps) { @@ -1007,7 +1007,52 @@ static enum bp_result get_lttpr_caps_v4_4( if (!disp_cntl_tbl) return BP_RESULT_BADBIOSTABLE; - *dce_caps = !!(disp_cntl_tbl->display_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE); + *dce_caps = disp_cntl_tbl->display_caps; + + return result; +} + +static enum bp_result bios_parser_get_lttpr_interop( + struct dc_bios *dcb, + uint8_t *dce_caps) +{ + struct bios_parser *bp = BP_FROM_DCB(dcb); + enum bp_result result = BP_RESULT_UNSUPPORTED; + struct atom_common_table_header *header; + struct atom_data_revision tbl_revision; + + if (!DATA_TABLES(dce_info)) + return BP_RESULT_UNSUPPORTED; + + header = GET_IMAGE(struct atom_common_table_header, + DATA_TABLES(dce_info)); + get_atom_data_table_revision(header, &tbl_revision); + switch (tbl_revision.major) { + case 4: + switch (tbl_revision.minor) { + case 1: + result = get_disp_caps_v4_1(bp, dce_caps); + *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE); + break; + case 2: + result = get_disp_caps_v4_2(bp, dce_caps); + *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE); + break; + case 3: + result = get_disp_caps_v4_3(bp, dce_caps); + *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE); + break; + case 4: + result = get_disp_caps_v4_4(bp, dce_caps); + *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE); + break; + default: + break; + } + break; + default: + break; + } return result; } @@ -1031,16 +1076,20 @@ static enum bp_result bios_parser_get_lttpr_caps( case 4: switch (tbl_revision.minor) { case 1: - result = get_lttpr_caps_v4_1(bp, dce_caps); + result = get_disp_caps_v4_1(bp, dce_caps); + *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE); break; case 2: - result = get_lttpr_caps_v4_2(bp, dce_caps); + result = get_disp_caps_v4_2(bp, dce_caps); + *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE); break; case 3: - result = get_lttpr_caps_v4_3(bp, dce_caps); + result = get_disp_caps_v4_3(bp, dce_caps); + *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE); break; case 4: - result = get_lttpr_caps_v4_4(bp, dce_caps); + result = get_disp_caps_v4_4(bp, dce_caps); + *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE); break; default: break; @@ -2670,6 +2719,8 @@ static const struct dc_vbios_funcs vbios_funcs = { .get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info, .get_lttpr_caps = bios_parser_get_lttpr_caps, + + .get_lttpr_interop = bios_parser_get_lttpr_interop, }; static bool bios_parser2_construct( |