drm/nouveau/bar/nv50: ensure BAR is mapped

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If the BAR is zero size, it indicates it was never successfully mapped.
Ensure that the BAR is valid during initialization before attempting to
use it.

Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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Jon Derrick 2019-03-15 18:05:16 -06:00 • committed by Ben Skeggs

parent 307a312df9

commit f10b83de1f

1 changed files with 9 additions and 3 deletions

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drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c

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