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Wolfgang Bumiller 5d26f91c89 cirrus: handle negative pitch in cirrus_invalidate_region() 
cirrus_invalidate_region() calls memory_region_set_dirty()
on a per-line basis, always ranging from off_begin to
off_begin+bytesperline. With a negative pitch off_begin
marks the top most used address and thus we need to do an
initial shift backwards by a line for negative pitches of
backward blits, otherwise the first iteration covers the
line going from the start offset forwards instead of
backwards.
Additionally since the start address is inclusive, if we
shift by a full `bytesperline` we move to the first address
*not* included in the blit, so we only shift by one less
than bytesperline.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Message-id: 1485352137-29367-1-git-send-email-w.bumiller@proxmox.com

[ kraxel: codestyle fixes ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit f153b563f8)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
 		2017-03-21 15:00:58 -05:00
..
9pfs 9pfs: don't try to flush self and avoid QEMU hang on reset 2017-03-21 14:57:20 -05:00
acpi nvdimm acpi: introduce NVDIMM_DSM_MEMORY_SIZE 2016-11-15 17:20:37 +02:00
adc STM32F2xx: Add the ADC device 2016-10-04 13:28:07 +01:00
alpha target-alpha: Fix interrupt mask for cpu1 2016-11-22 16:53:53 +01:00
arm loader: fix handling of custom address spaces when adding ROM blobs 2016-11-30 04:20:57 +02:00
audio migration/pcspk: Add a property to state if pcspk is migrated 2016-11-28 16:45:12 +01:00
block xen_disk: split discard input to match internal representation 2016-11-23 10:47:48 -08:00
bt char: replace avail_connections 2016-10-24 15:46:10 +02:00
char hw/char/spapr_vty: Return amount of free buffer entries in vty_can_receive() 2016-11-23 12:00:48 +11:00
core machine: Convert abstract typename on compat_props to subclass names 2017-03-16 12:10:38 -05:00
cpu
…
cris cris: Fix broken header guard in hw/cris/boot.h 2016-07-12 16:20:46 +02:00
display cirrus: handle negative pitch in cirrus_invalidate_region() 2017-03-21 15:00:58 -05:00
dma hw/dma/pl080: Fix bad bit mask (PL080_CONF_M1 | PL080_CONF_M1) 2016-10-17 19:22:17 +01:00
gpio i.MX: Fix GPIO ISR register write 2016-10-28 15:51:27 +01:00
i2c hw/i2c/bitbang_i2c: Handle NACKs from devices 2016-11-07 10:01:15 +00:00
i386 pc: fix crash in rtc_set_memory() if initial cpu is marked as hotplugged 2017-03-16 12:10:39 -05:00
ide ahci: advertise HOST_CAP_64 2017-03-16 12:10:40 -05:00
input hw/input/hid: support alternative sysrq/break scancodes for gtk-vnc 2016-11-10 15:29:58 +00:00
intc apic: reset apic_delivered global variable on machine reset 2017-03-16 12:10:41 -05:00
ipack
…
ipmi ipmi: fix qemu crash while migrating with ipmi 2016-11-18 17:50:09 +02:00
isa char: remove init callback 2016-10-24 15:27:20 +02:00
lm32 loader: fix handling of custom address spaces when adding ROM blobs 2016-11-30 04:20:57 +02:00
m68k m68k: change default system clock for m5208evb 2016-10-08 11:25:29 +03:00
mem pc: memhp: enable nvdimm device hotplug 2016-11-01 19:21:09 +02:00
microblaze clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
mips clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
misc ivshmem: Fix 64 bit memory bar configuration 2016-11-18 17:29:34 +02:00
moxie
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net e1000e: correctly tear down MSI-X memory regions 2017-03-16 12:10:42 -05:00
nvram fw_cfg: move FW_CFG_NB_CPUS out of fw_cfg_init1() 2016-11-16 12:09:58 -02:00
openrisc
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pci pci: fix error message for express slots 2017-03-16 12:10:38 -05:00
pci-bridge clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
pci-host ppc: Make uninorth interrupt swizzling identical to Grackle 2016-11-23 12:00:48 +11:00
pcmcia
…
ppc spapr: fix default DRC state for coldplugged LMBs 2016-12-01 13:41:00 +11:00
s390x s390x/css: reassign subchannel if schid is changed after migration 2017-03-20 14:26:46 -05:00
scsi scsi: mptsas: fix the wrong reading size in fetch request 2017-03-16 12:10:42 -05:00
sd sd: sdhci: check data length during dma_memory_read 2017-03-16 12:10:40 -05:00
sh4 sh4: fix broken link to documentation 2016-09-15 15:32:22 +03:00
smbios smbios: fix uuid copy 2016-09-29 11:43:22 +08:00
sparc fw_cfg: move FW_CFG_NB_CPUS out of fw_cfg_init1() 2016-11-16 12:09:58 -02:00
sparc64 fw_cfg: move FW_CFG_NB_CPUS out of fw_cfg_init1() 2016-11-16 12:09:58 -02:00
ssi xilinx: fix buffer overflow on realize 2016-10-24 15:27:20 +02:00
timer clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
tpm clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
tricore tricore: remove useless cast 2016-09-15 15:32:22 +03:00
unicore32 clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
usb xen: attach pvusb usb bus to backend qdev 2016-11-22 10:29:41 -08:00
vfio vfio: Add support for mmapping sub-page MMIO BARs 2016-10-31 09:53:04 -06:00
virtio virtio-pci: reset modern vq meta data 2017-03-16 12:10:42 -05:00
watchdog
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xen xen: create qdev for each backend device 2016-11-22 10:29:39 -08:00
xenpv xenpv: Fix qemu_uuid compiling error 2016-09-29 11:43:17 +08:00
xtensa char: remove init callback 2016-10-24 15:27:20 +02:00
Makefile.objs STM32F2xx: Add the ADC device 2016-10-04 13:28:07 +01:00