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authorGerd Hoffmann <kraxel@redhat.com>2017-09-11 11:39:50 +0200
committerGerd Hoffmann <kraxel@redhat.com>2017-09-12 08:04:09 +0200
commitb0e07da3f5c8d069d186a7983ff64eaebf2ea230 (patch)
tree87841dc58f3c592fa29d79e11f97c12c1839c5d3 /drivers/gpu/drm/radeon/radeon_object.c
parentdrm/bridge/sii8620: Fix memory corruption (diff)
downloadlinux-b0e07da3f5c8d069d186a7983ff64eaebf2ea230.tar.xz
linux-b0e07da3f5c8d069d186a7983ff64eaebf2ea230.zip
qxl: fix primary surface handling
The atomic conversion of the qxl driver didn't got the primary surface handling completely right. It works in the common simple cases, but fails for example when changing the display resolution using xrandr or in multihead setups. The rules are simple: There is one primary surface. Before defining a new one you have to destroy the old one. This patch makes qxl_primary_atomic_update() destroy the primary surface before defining a new one. It fixes is_primary flag updates. It adds is_primary checks so we don't try to update the primary surface in case it already has the state we want it being in. Fixes: 3538e80a869b ("drm: qxl: Atomic phase 1: Implement mode_set_nofb") Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102338 Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196777 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk> Link: http://patchwork.freedesktop.org/patch/msgid/20170911093950.22401-1-kraxel@redhat.com
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
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