drm/amd/display: power up all gating blocks when releasing hw DCN35

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[WHY & HOW]
Driver disable will deallocate framebuffer to reset IPS state, this will cause IPS start with
INIT state to blindly power gate ONO region to break power sequence. All the gating blocks
should be powered up when releasing hw to ensure all the power optimizations are identical to pre-OS.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Duncan Ma <duncan.ma@amd.com>
Signed-off-by: Yihan Zhu <Yihan.Zhu@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Yihan Zhu 2024-12-05 14:28:51 -05:00 • committed by Alex Deucher

parent 86f955b793

commit 149bacfe9c

3 changed files with 37 additions and 0 deletions

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34

drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c

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2

drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h

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1

drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c

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