drm/amd/display: Update DCN2.1 DV Code Revision
authorSung Lee <sung.lee@amd.com>
Mon, 20 Apr 2020 15:38:30 +0000 (11:38 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 5 May 2020 17:10:52 +0000 (13:10 -0400)
commite9a135a969352e5cc945a8db636163a7bb8e4ada
tree0d78d4e8e33a352677502eea8b769b037dc3c647
parent3ba01817365c5a2c07a8be09117f3e22e16f5c80
drm/amd/display: Update DCN2.1 DV Code Revision

[WHY & HOW]
There is a problem in hscale_pixel_rate, the bug
causes DCN to be more optimistic (more likely to underflow)
in upscale cases during prefetch.
This commit ports the fix from DV code to address these issues.

Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c