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Matthew Garrett b0825488a6 [PATCH] agp: restore APBASE after setting APSIZE ... When leaving S3 state, the AGP bridge may not have all PCI configuration registers set in the same way as they were at boot. This should be fixed by pci_restore_state - however, the APBASE register cannot be set to conflict with the APSIZE register. If APSIZE is larger than it was before suspend, pci_restore_state will not restore APBASE correctly. The attached patch adds an extra item to the agp_bridge_data structure and uses it to store the value of APBASE. On resume, this is then written after APSIZE has been set. This patch only touches the path used for Intel chipsets without integrated graphics, and may need to be extended to work with the others. Without this patch, I get the symptoms described in bug 4921 - APBASE ends up overlapping various PCI devices, and as a result they fail to work after resume. Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org> Acked-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		20 years ago
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Kconfig	Linux-2.6.12-rc2	20 years ago
Makefile	Linux-2.6.12-rc2	20 years ago
agp.h	[PATCH] agp: restore APBASE after setting APSIZE	20 years ago
ali-agp.c	[PATCH] AGP fix for Xen VMM	20 years ago
alpha-agp.c	Linux-2.6.12-rc2	20 years ago
amd-k7-agp.c	[PATCH] AGP fix for Xen VMM	20 years ago
amd64-agp.c	[PATCH] sis 760 support.	20 years ago
ati-agp.c	[PATCH] AGP fix for Xen VMM	20 years ago
backend.c	[PATCH] AGP fix for Xen VMM	20 years ago
efficeon-agp.c	[PATCH] AGP fix for Xen VMM	20 years ago
frontend.c	[PATCH] make lots of things static	20 years ago
generic.c	[PATCH] Replace check_bridge_mode() with (bridge->mode & AGSTAT_MODE_3_0).	20 years ago
hp-agp.c	[PATCH] AGP fix for Xen VMM	20 years ago
i460-agp.c	[PATCH] AGP fix for Xen VMM	20 years ago
intel-agp.c	[PATCH] agp: restore APBASE after setting APSIZE	20 years ago
isoch.c	Linux-2.6.12-rc2	20 years ago
nvidia-agp.c	[PATCH] make lots of things static	20 years ago
sgi-agp.c	[PATCH] sgi-agp: fixes a problem with accessing GART memory in sgi_tioca_insert_memory and sgi_tioca_remove_memory	20 years ago
sis-agp.c	[PATCH] make lots of things static	20 years ago
sworks-agp.c	[PATCH] AGP fix for Xen VMM	20 years ago
uninorth-agp.c	[PATCH] AGP fix for Xen VMM	20 years ago
via-agp.c	[PATCH] make lots of things static	20 years ago