hw/dispaly/sm501: bugfixes, add sanity checks.
hw/display: use tracepoints, misc cleanups.
# gpg: Signature made Thu 28 May 2020 13:35:32 BST
# gpg: using RSA key
4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138
* remotes/kraxel/tags/vga-
20200528-pull-request: (21 commits)
sm501: Remove obsolete changelog and todo comment
sm501: Optimize small overlapping blits
sm501: Replace hand written implementation with pixman where possible
sm501: Clean up local variables in sm501_2d_operation
sm501: Use BIT(x) macro to shorten constant
sm501: Shorten long variable names in sm501_2d_operation
sm501: Convert printf + abort to qemu_log_mask
hw/display/pxa2xx_lcd: Replace printf() call by qemu_log_mask()
hw/display/omap_dss: Replace fprintf() call by qemu_log_mask(LOG_UNIMP)
hw/display/exynos4210_fimd: Use qemu_log_mask(GUEST_ERROR)
hw/display/vmware_vga: Let the PCI device own its I/O MemoryRegion
hw/display/vmware_vga: Replace printf() calls by qemu_log_mask(ERROR)
hw/display/xlnx_dp: Replace disabled DPRINTF() by error_report()
hw/display/dpcd: Convert debug printf()s to trace events
hw/display/dpcd: Fix memory region size
hw/display/cirrus_vga: Convert debug printf() to trace event
hw/display/cirrus_vga: Use qemu_log_mask(ERROR) instead of debug printf
hw/display/cirrus_vga: Use qemu_log_mask(UNIMP) instead of debug printf
hw/display/cirrus_vga: Convert debug printf() to trace event
hw/display/cg3: Convert debug printf()s to trace events
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>