drm/amd/display: add dummy PG callback for beige goby

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[Why&How]
PG registers are absent in beige goby, so programming these registers
generate call trace. Fix this by adding a dummy function in dcn303
initialization function which prevents writing to non existant registers.

Fixes: cd6d421e3d ("drm/amd/display: Initial DC support for Beige Goby")
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Aurabindo Pillai 2021-06-11 10:31:04 -04:00 • committed by Alex Deucher

parent ac3fbe3b2c

commit fb59a9209c

3 changed files with 7 additions and 0 deletions

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5

drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.c

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1

drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.h

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1

drivers/gpu/drm/amd/display/dc/dcn303/dcn303_init.c

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