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authorMichael Strauss <michael.strauss@amd.com>2021-10-06 15:50:10 -0400
committerAlex Deucher <alexander.deucher@amd.com>2021-10-28 14:26:15 -0400
commit5fdccd5b88410b6be7f19f3c91ef112d174b1564 (patch)
treef6bc8b15ac4e6ad90d0b5f317f70337a43f77d5e /drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
parentdrm/amd/display: Set i2c memory to light sleep during hw init (diff)
downloadlinux-dev-5fdccd5b88410b6be7f19f3c91ef112d174b1564.tar.xz
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drm/amd/display: Defer GAMCOR and DSCL power down sequence to vupdate
[WHY] Every other CM LUT power down sequence is deferred to next vupdate as memory powerdown updates immediately while selecting LUTs is double buffered. Previous update to defer LUT power down missed GAMCOR and DSCL, causing some visible flicker when entering/exiting fullscreen video playback. [HOW] Update dpp deferred update loop to check for valid DPPs in res_pool instead of referencing dcn_ip which turns out to not be populated during runtime. Move GAMCOR and DSCL powerdown to dpp deferred updates. Reviewed-by: Haonan Wang <Haonan.Wang2@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com> Signed-off-by: Michael Strauss <michael.strauss@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c')
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