drm/amd/display: Fix underflow issue on 175hz timing

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[Why]
Screen underflows happen on 175hz timing for 3 plane overlay case.

[How]
Based on dst y prefetch value clamp to equ or oto for bandwidth
calculation.

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Leo Ma <hanghong.ma@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Leo Ma 2023-07-06 16:17:03 -04:00 • committed by Alex Deucher

parent b9f501c50e

commit 735688eb90

1 changed files with 6 additions and 1 deletions

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7

drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c

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