drm/nouveau/kms/nv50: switch mst sink back into sst mode

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Sometimes we load with a sink already in MST mode.  If, however, we can't
or don't want to use MST, we need to be able to switch it back to SST.

This commit instantiates a stub topology manager for any output path that
we believe (the detection of this could use some improvement) has support
for MST, and adds the connector detect() logic for detecting sink support
and switching between modes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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This commit is contained in:

Ben Skeggs 2016-11-04 17:20:36 +10:00

parent fc21a4a099

commit 52aa30f252

4 changed files with 142 additions and 10 deletions

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4

drivers/gpu/drm/nouveau/nouveau_connector.c

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9

drivers/gpu/drm/nouveau/nouveau_dp.c

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8

drivers/gpu/drm/nouveau/nouveau_encoder.h

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131

drivers/gpu/drm/nouveau/nv50_display.c

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