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drm/amd/display: Fix 300Hz Freesync bug

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Needed to reprogram vblank_start in dml properly in order to get the
correct dlg params to program VTG.

Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee
2019-12-05 17:12:17 -05:00
committed by Alex Deucher
parent 93a8955b10
commit 1075735ecc
3 changed files with 5 additions and 3 deletions
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3
drivers/gpu/drm/amd/display/modules/freesync/freesync.c
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@@ -812,11 +812,12 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
2 * in_out_vrr->min_refresh_in_uhz)
in_out_vrr->btr.btr_enabled = false;
in_out_vrr->fixed.fixed_active = false;
in_out_vrr->btr.btr_active = false;
in_out_vrr->btr.inserted_duration_in_us = 0;
in_out_vrr->btr.frames_to_insert = 0;
in_out_vrr->btr.frame_counter = 0;
in_out_vrr->fixed.fixed_active = false;
in_out_vrr->fixed.target_refresh_in_uhz = 0;
in_out_vrr->btr.mid_point_in_us =
(in_out_vrr->min_duration_in_us +