drm/radeon/kms: Disable both CRTCs during mode switch
authorPierre Ossman <pierre@ossman.eu>
Mon, 30 Nov 2009 20:15:44 +0000 (21:15 +0100)
committerDave Airlie <airlied@redhat.com>
Wed, 2 Dec 2009 01:37:13 +0000 (11:37 +1000)
commitec51efa9b2b8ff10b535a853c293e85bada886e4
tree719dea94c066194a06041bdf1ca0e458347c0b54
parent32f48ffea91008a27b99aab7a68a3443559d83fb
drm/radeon/kms: Disable both CRTCs during mode switch

Reconfiguring one CRTC whilst another is running can cause a hang under
some circumstances. Unfortunately we haven't pinpointed exactly what those
circumstances are, so disable all CRTCs for every mode switch.

Signed-off-by: Pierre Ossman <pierre@ossman.eu>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/radeon_legacy_crtc.c