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(parent: bda5e3e) | patch
drm/amdgpu/dce8: Re-set VBLANK interrupt state when enabling a CRTC
authorMichel Dänzer <michel.daenzer@amd.com>
Thu, 9 Jul 2015 09:24:24 +0000 (18:24 +0900)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 16 Jul 2015 16:39:44 +0000 (12:39 -0400)
commit1002d71841d52b2390c82c2bc18922ac21fbd090
treea2e74bcf3879a0f0b7e38907d40be86aea21ef6atree | snapshot
parentbda5e3e97ffe80c5a793383df5681d3581d46ac8commit | diff
drm/amdgpu/dce8: Re-set VBLANK interrupt state when enabling a CRTC

Something (ATOM BIOS?) seems to be clobbering the LB_INTERRUPT_MASK
register while the CRTC is off, which caused e.g. glxgears or
gnome-shell to hang after a modeset.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c diff | blob | history
Domain: System / Kernel;