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drm/amd/display: Switch to correct DTO on HDMI

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[Why]
For Pixel Rate control, when on HDMI, HDMI DTO should be selected
instead of DP DTO.

[How]
Pass HDMI parameter for HDMI stream, and select correct DTO.

Signed-off-by: Chris Park <chris.park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chris Park
2022-05-25 23:22:11 -04:00
committed by Alex Deucher
parent 740ccea3d3
commit 15360d7fc3
2 changed files with 6 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
View File

@@ -323,6 +323,8 @@ static void dcn32_update_clocks_update_dtb_dto(struct clk_mgr_internal *clk_mgr,
if (pipe_ctx->stream_res.audio != NULL)
dto_params.req_audio_dtbclk_khz = 24000;
}
if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
dto_params.is_hdmi = true;
dccg->funcs->set_dtbclk_dto(clk_mgr->dccg, &dto_params);
//dccg->funcs->set_audio_dtbclk_dto(clk_mgr->dccg, &dto_params);

4
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c
View File

@@ -171,6 +171,9 @@ void dccg32_set_dtbclk_dto(
REG_UPDATE_2(OTG_PIXEL_RATE_CNTL[params->otg_inst],
DTBCLK_DTO_ENABLE[params->otg_inst], 0,
PIPE_DTO_SRC_SEL[params->otg_inst], 1);
if (params->is_hdmi)
REG_UPDATE(OTG_PIXEL_RATE_CNTL[params->otg_inst],
PIPE_DTO_SRC_SEL[params->otg_inst], 0);
REG_WRITE(DTBCLK_DTO_MODULO[params->otg_inst], 0);
REG_WRITE(DTBCLK_DTO_PHASE[params->otg_inst], 0);
@@ -188,6 +191,7 @@ static void dccg32_set_valid_pixel_rate(
dto_params.ref_dtbclk_khz = ref_dtbclk_khz;
dto_params.otg_inst = otg_inst;
dto_params.pixclk_khz = pixclk_khz;
dto_params.is_hdmi = true;
dccg32_set_dtbclk_dto(dccg, &dto_params);
}