Nicholas Kazlauskas f16d523f9d drm/amd/display: Support uclk switching for DCN2 ... [Why] We were previously forcing the uclk for every state to max and reducing the switch time to prevent uclk switching from occuring. This workaround was previously needed in order to avoid hangs + underflow under certain display configurations. Now that DC has the proper fix complete we can drop the hacks and improve power for most display configurations. [How] We still need the function pointers hooked up to grab the real uclk states from pplib. The rest of the prior hack can be reverted. The key requirements here are really just DC support, updated firmware, and support for disabling p-state support when needed in pplib/smu. When these requirements are met uclk switching works without underflow or hangs. Fixes: 02316e963a ("drm/amd/display: Force uclk to max for every state") Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>		2019-07-30 23:48:33 -05:00
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acp	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
amdgpu	drm/amdgpu: fix a potential information leaking bug	2019-07-30 23:48:33 -05:00
amdkfd	drm/amdkfd: Remove dead code from gfx8/gfx9 trap handlers	2019-07-30 23:22:18 -05:00
display	drm/amd/display: Support uclk switching for DCN2	2019-07-30 23:48:33 -05:00
include	drm/amdgpu/powerplay: add a new interface to set the mp1 state	2019-07-30 23:24:21 -05:00
powerplay	drm/amdgpu/powerplay: provide the interface to disable uclk switch for DAL	2019-07-30 23:48:33 -05:00