diff options
| author | Hugo Hu <hugo.hu@amd.com> | 2023-08-22 12:01:39 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-27 01:41:21 +0300 |
| commit | bf795156105150a7a242389c56fca382ddc984c5 (patch) | |
| tree | 193df0069dd47820a1151d54b5541bfb4c3de83a /drivers/gpu/drm/amd/display/dc/dcn31 | |
| parent | 4dd9f5404c7180f573b911f034df1a144abb78be (diff) | |
| download | linux-bf795156105150a7a242389c56fca382ddc984c5.tar.xz | |
drm/amd/display: reprogram det size while seamless boot
[Why]
During system boot in second screen only mode on a seamless boot system,
there is a chance that the pipe's det size might not be reset.
[How]
Reset the det size while resetting the pipe during seamless boot.
Reviewed-by: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Hugo Hu <hugo.hu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn31')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c index f6b59c29cee2..5b5b5e0775fa 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c @@ -109,6 +109,28 @@ static void dcn31_program_det_size(struct hubbub *hubbub, int hubp_inst, unsigne + hubbub2->det3_size + hubbub2->compbuf_size_segments <= hubbub2->crb_size_segs); } +static void dcn31_wait_for_det_apply(struct hubbub *hubbub, int hubp_inst) +{ + struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); + + switch (hubp_inst) { + case 0: + REG_WAIT(DCHUBBUB_DET0_CTRL, DET0_SIZE_CURRENT, hubbub2->det0_size, 1000, 30); + break; + case 1: + REG_WAIT(DCHUBBUB_DET1_CTRL, DET1_SIZE_CURRENT, hubbub2->det1_size, 1000, 30); + break; + case 2: + REG_WAIT(DCHUBBUB_DET2_CTRL, DET2_SIZE_CURRENT, hubbub2->det2_size, 1000, 30); + break; + case 3: + REG_WAIT(DCHUBBUB_DET3_CTRL, DET3_SIZE_CURRENT, hubbub2->det3_size, 1000, 30); + break; + default: + break; + } +} + static void dcn31_program_compbuf_size(struct hubbub *hubbub, unsigned int compbuf_size_kb, bool safe_to_increase) { struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); @@ -1041,6 +1063,7 @@ static const struct hubbub_funcs hubbub31_funcs = { .is_allow_self_refresh_enabled = hubbub1_is_allow_self_refresh_enabled, .verify_allow_pstate_change_high = hubbub31_verify_allow_pstate_change_high, .program_det_size = dcn31_program_det_size, + .wait_for_det_apply = dcn31_wait_for_det_apply, .program_compbuf_size = dcn31_program_compbuf_size, .init_crb = dcn31_init_crb, .hubbub_read_state = hubbub2_read_state, |