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drm/amd/display: Add OTG/ODM functions 

[WHY]
Required for correct OTG_H_TIMING_CNTL programming

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michael Strauss 2022-06-09 10:52:52 -04:00 committed by Alex Deucher
parent 0d60f2b47d
commit 5ade1b951d
1 changed files with 34 additions and 0 deletions
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34
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_optc.c
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@ -160,6 +160,37 @@ void optc314_phantom_crtc_post_enable(struct timing_generator *optc)
REG_WAIT(OTG_CLOCK_CONTROL, OTG_BUSY, 0, 1, 100000);
}
static void optc314_set_odm_bypass(struct timing_generator *optc,
const struct dc_crtc_timing *dc_crtc_timing)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
enum h_timing_div_mode h_div = H_TIMING_NO_DIV;
REG_SET_5(OPTC_DATA_SOURCE_SELECT, 0,
OPTC_NUM_OF_INPUT_SEGMENT, 0,
OPTC_SEG0_SRC_SEL, optc->inst,
OPTC_SEG1_SRC_SEL, 0xf,
OPTC_SEG2_SRC_SEL, 0xf,
OPTC_SEG3_SRC_SEL, 0xf
);
h_div = optc1_is_two_pixels_per_containter(dc_crtc_timing);
REG_UPDATE(OTG_H_TIMING_CNTL,
OTG_H_TIMING_DIV_MODE, h_div);
REG_SET(OPTC_MEMORY_CONFIG, 0,
OPTC_MEM_SEL, 0);
optc1->opp_count = 1;
}
static void optc314_set_h_timing_div_manual_mode(struct timing_generator *optc, bool manual_mode)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
REG_UPDATE(OTG_H_TIMING_CNTL,
OTG_H_TIMING_DIV_MODE_MANUAL, manual_mode ? 1 : 0);
}
static struct timing_generator_funcs dcn314_tg_funcs = {
.validate_timing = optc1_validate_timing,
@ -222,6 +253,9 @@ static struct timing_generator_funcs dcn314_tg_funcs = {
.setup_manual_trigger = optc2_setup_manual_trigger,
.get_hw_timing = optc1_get_hw_timing,
.init_odm = optc3_init_odm,
.set_odm_bypass = optc314_set_odm_bypass,
.set_odm_combine = optc314_set_odm_combine,
.set_h_timing_div_manual_mode = optc314_set_h_timing_div_manual_mode,
};
void dcn314_timing_generator_init(struct optc *optc1)