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authorDavid Francis <David.Francis@amd.com>2018-05-31 13:48:31 -0400
committerAlex Deucher <alexander.deucher@amd.com>2018-05-31 13:08:22 -0500
commita9e8d27574f26700575473011cb607d4abdbda5f (patch)
tree8916a18106034be7f7f6fd2788c17a72b2a1e307 /init
parent0e333751cff1dd7383be15372960a1be6e2b4e47 (diff)
downloadlinux-a9e8d27574f26700575473011cb607d4abdbda5f.tar.bz2
drm/amd/display: Make atomic-check validate underscan changes
When the underscan state was changed, atomic-check was triggering a validation but passing the old underscan values. This change adds a somewhat hacky check in dm_update_crtcs_state that will update the stream if old and newunderscan values are different. This was causing 4k on Fiji to allow underscan when it wasn't permitted. Signed-off-by: David Francis <David.Francis@amd.com> Reviewed-by: David Francis <David.Francis@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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