diff options
| author | Alvin Lee <Alvin.Lee2@amd.com> | 2023-08-08 20:21:58 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-09-12 00:11:19 +0300 |
| commit | e87a6c5b7780b5f423797351eb586ed96cc6d151 (patch) | |
| tree | 7574eb68afa18f0b0361dace5091c44081a49b3a /drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | |
| parent | f4fa8fcd25cb771ef5c6955801f364c9eb0f6e38 (diff) | |
| download | linux-e87a6c5b7780b5f423797351eb586ed96cc6d151.tar.xz | |
drm/amd/display: Blank phantom OTG before enabling
[Description]
Before enabling the phantom OTG for an update we
must enable DPG to avoid underflow.
Reviewed-by: Samson Tam <samson.tam@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@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/dcn32/dcn32_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c index 680e7fa8d18a..cae5e1e68c86 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c @@ -1573,3 +1573,49 @@ void dcn32_init_blank( if (opp) hws->funcs.wait_for_blank_complete(opp); } + +void dcn32_blank_phantom(struct dc *dc, + struct timing_generator *tg, + int width, + int height) +{ + struct dce_hwseq *hws = dc->hwseq; + enum dc_color_space color_space; + struct tg_color black_color = {0}; + struct output_pixel_processor *opp = NULL; + uint32_t num_opps, opp_id_src0, opp_id_src1; + uint32_t otg_active_width, otg_active_height; + uint32_t i; + + /* program opp dpg blank color */ + color_space = COLOR_SPACE_SRGB; + color_space_to_black_color(dc, color_space, &black_color); + + otg_active_width = width; + otg_active_height = height; + + /* get the OPTC source */ + tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1); + ASSERT(opp_id_src0 < dc->res_pool->res_cap->num_opp); + + for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) { + if (dc->res_pool->opps[i] != NULL && dc->res_pool->opps[i]->inst == opp_id_src0) { + opp = dc->res_pool->opps[i]; + break; + } + } + + if (opp && opp->funcs->opp_set_disp_pattern_generator) + opp->funcs->opp_set_disp_pattern_generator( + opp, + CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR, + CONTROLLER_DP_COLOR_SPACE_UDEFINED, + COLOR_DEPTH_UNDEFINED, + &black_color, + otg_active_width, + otg_active_height, + 0); + + if (tg->funcs->is_tg_enabled(tg)) + hws->funcs.wait_for_blank_complete(opp); +} |