drm/amd/display: change number of cursor policy for dml calculation.

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[Why]
vstartup calculation is incorrect due to use 2 number of cursors and
result in an underflow when playing video in full screen mode and
combines graphic plane and video plane.

[How]
Apply new policy for dml calculation.
1 cursor for graphic plane, 0 cursor for video plane.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Yongqiang Sun 2020-02-07 14:47:58 -05:00 • committed by Alex Deucher

parent f9b9b6d972

commit 8f174fdbe9

4 changed files with 15 additions and 10 deletions

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6

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c

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15

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

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3

drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c

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1

drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h

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