drm/amd/display: Disable ips before dc interrupt setting
[Why] While in IPS2 an access to dcn registers is not allowed. If interrupt results in dc call, we should disable IPS. [How] Safeguard register access in IPS2 by disabling idle optimization before calling dc interrupt setting api. Signed-off-by:Roman Li <Roman.Li@amd.com> Tested-by:
Mark Broadworth <mark.broadworth@amd.com> Reviewed-by:
Mario Limonciello <mario.limonciello@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com>
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f37f7979
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