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drm/amd/display: refactor vupdate interrupt registration

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We only need to register once OS calls the interrupt control.
Also, if we are entering static screen mode, disable after ramping is done.
Disable shall be done via timer of 2 seconds regardless of ramping
complete or not, just to simplify.

Also, ramp to mid instead of min, due to better flicker performance...

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2018-04-06 13:55:39 -04:00 committed by Alex Deucher
parent 9410a3776b
commit 953c2901c8
1 changed files with 8 additions and 11 deletions
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19
drivers/gpu/drm/amd/display/modules/freesync/freesync.c
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@ -109,12 +109,6 @@ static unsigned int calc_duration_in_us_from_v_total(
* 1000) * stream->timing.h_total,
stream->timing.pix_clk_khz));
if (duration_in_us < in_vrr->min_duration_in_us)
duration_in_us = in_vrr->min_duration_in_us;
if (duration_in_us > in_vrr->max_duration_in_us)
duration_in_us = in_vrr->max_duration_in_us;
return duration_in_us;
}
@ -230,10 +224,9 @@ static void update_v_total_for_static_ramp(
}
}
v_total = calc_v_total_from_duration(stream,
in_out_vrr,
current_duration_in_us);
v_total = div64_u64(div64_u64(((unsigned long long)(
current_duration_in_us) * stream->timing.pix_clk_khz),
stream->timing.h_total), 1000);
in_out_vrr->adjust.v_total_min = v_total;
in_out_vrr->adjust.v_total_max = v_total;
@ -702,7 +695,11 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
} else if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED) {
in_out_vrr->fixed.target_refresh_in_uhz =
in_out_vrr->min_refresh_in_uhz;
if (in_out_vrr->fixed.ramping_active) {
if (in_out_vrr->fixed.ramping_active &&
in_out_vrr->fixed.fixed_active) {
/* Do not update vtotals if ramping is already active
* in order to continue ramp from current refresh.
*/
in_out_vrr->fixed.fixed_active = true;
} else {
in_out_vrr->fixed.fixed_active = true;