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(parent: be89f21) | patch
drm/radeon: do a posting read in r100_set_irq
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 3 Mar 2015 01:36:26 +0000 (20:36 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 26 Mar 2015 12:59:36 +0000 (13:59 +0100)
commitbac9045923dbc5b60df81b6c2d8e3fc4daf70c3e
tree924f5e02fad9b6a21fadcccc6c308418c3609386tree | snapshot
parentbe89f21f8ceef2afcc85e21518649f5dbcf9568acommit | diff
drm/radeon: do a posting read in r100_set_irq

commit f957063fee6392bb9365370db6db74dc0b2dce0a upstream.

To make sure the writes go through the pci bridge.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/radeon/r100.c diff | blob | history
Linux kernels and configurations used by Zygo.