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由 David Francis 提交于
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: NDavid Francis <David.Francis@amd.com> Reviewed-by: NDavid Francis <David.Francis@amd.com> Acked-by: NHarry Wentland <harry.wentland@amd.com> Cc: stable@vger.kernel.org Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
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