drm/amd/display: properly handling AGP aperture in vm setup

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Take into account whether or not the AGP aperture is
enabled or not when calculating the system aperture.

Fixes white screens with DCN 3.1.4.

Based on a patch from Yifan Zhang <yifan1.zhang@amd.com>

Cc: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Alex Deucher 2023-01-31 09:56:46 -05:00

parent f081cd4ca2

commit 0294868fd8

1 changed files with 28 additions and 14 deletions

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42

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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