bwlp/qemu.git/hw/display/trace-events, branch spice_video_codecs

hw/display/vmware_vga: do not discard screen updates

2022-04-22T09:47:08+00:00

In certain circumstances, typically when there is lots changing on the screen, updates will be discarded resulting in garbled output. This change simplifies the traversal of the display update FIFO queue when applying updates. We just track the queue length and iterate up to the end of the queue. Additionally when adding updates to the queue, if the buffer reaches capacity we force a flush before accepting further events. Signed-off-by: Carwyn Ellis Message-Id: <20220206183956.10694-3-carwynellis@gmail.com> Signed-off-by: Gerd Hoffmann

hw/display/vmware_vga: replace fprintf calls with trace events

2022-03-04T10:38:07+00:00

Debug output was always being sent to STDERR. This has been replaced with trace events. Signed-off-by: Carwyn Ellis Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20220206183956.10694-2-carwynellis@gmail.com> Signed-off-by: Gerd Hoffmann

hw/display/artist: rewrite vram access mode handling

2022-02-02T17:46:43+00:00

When writing this code it was assumed that register 0x118000 is the buffer access mode for color map accesses. It turned out that this is wrong. Instead register 0x118000 sets both src and dst buffer access mode at the same time. This required a larger rewrite of the code. The good thing is that both the linear framebuffer and the register based vram access can now be combined into one function. This makes the linux 'stifb' framebuffer work, and both HP-UX 10.20 and HP-UX 11.11 are still working. Signed-off-by: Sven Schnelle Signed-off-by: Helge Deller Cc: qemu-stable@nongnu.org Signed-off-by: Helge Deller

macfb: add common monitor modes supported by the MacOS toolbox ROM

2021-10-08T11:31:03+00:00

The monitor modes table is found by experimenting with the Monitors Control Panel in MacOS and analysing the reads/writes. From this it can be found that the mode is controlled by writes to the DAFB_MODE_CTRL1 and DAFB_MODE_CTRL2 registers. Implement the first block of DAFB registers as a register array including the existing sense register, the newly discovered control registers above, and also the DAFB_MODE_VADDR1 and DAFB_MODE_VADDR2 registers which are used by NetBSD to determine the current video mode. These experiments also show that the offset of the start of video RAM and the stride can change depending upon the monitor mode, so update macfb_draw_graphic() and both the BI_MAC_VADDR and BI_MAC_VROW bootinfo for the q800 machine accordingly. Finally update macfb_common_realize() so that only the resolution and depth supported by the display type can be specified on the command line, and add an error hint showing the list of supported resolutions and depths if the user tries to specify an invalid display mode. Signed-off-by: Mark Cave-Ayland Reviewed-by: Laurent Vivier Message-Id: <20211007221253.29024-10-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier

macfb: implement mode sense to allow display type to be detected

2021-10-08T11:31:03+00:00

The MacOS toolbox ROM uses the monitor sense to detect the display type and then offer a fixed set of resolutions and colour depths accordingly. Implement the monitor sense using information found in Apple Technical Note HW26: "Macintosh Quadra Built-In Video" along with some local experiments. Since the default configuration is 640 x 480 with 8-bit colour then hardcode the sense register to return MACFB_DISPLAY_VGA for now. Signed-off-by: Mark Cave-Ayland Reviewed-by: Laurent Vivier Message-Id: <20211007221253.29024-8-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier

macfb: add trace events for reading and writing the control registers

2021-10-08T11:31:03+00:00

Signed-off-by: Mark Cave-Ayland Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Laurent Vivier Message-Id: <20211007221253.29024-7-mark.cave-ayland@ilande.co.uk> Signed-off-by: Laurent Vivier

docs: fix references to docs/devel/tracing.rst

2021-06-02T04:51:09+00:00

Commit e50caf4a5c ("tracing: convert documentation to rST") converted docs/devel/tracing.txt to docs/devel/tracing.rst. We still have several references to the old file, so let's fix them with the following command: sed -i s/tracing.txt/tracing.rst/ $(git grep -l docs/devel/tracing.txt) Signed-off-by: Stefano Garzarella Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20210517151702.109066-2-sgarzare@redhat.com> Signed-off-by: Thomas Huth

virtio-gpu: Add virtio_gpu_set_scanout_blob

2021-05-27T10:07:37+00:00

This API allows Qemu to set the blob allocated by the Guest as the scanout buffer. If Opengl support is available, then the scanout buffer would be submitted as a dmabuf to the UI; if not, a pixman image is created from the scanout buffer and is submitted to the UI via the display surface. Based-on-patch-by: Gerd Hoffmann Cc: Gerd Hoffmann Signed-off-by: Vivek Kasireddy Message-Id: <20210526231429.1045476-14-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann

virtio-gpu: Add virtio_gpu_resource_create_blob

2021-05-27T10:07:37+00:00

This API allows Qemu to register the blob allocated by the Guest as a new resource and map its backing storage. Based-on-patch-by: Gerd Hoffmann Cc: Gerd Hoffmann Signed-off-by: Vivek Kasireddy Message-Id: <20210526231429.1045476-10-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann

Drop the deprecated lm32 target

2021-05-12T16:20:25+00:00

Target lm32 was deprecated in commit d8498005122, v5.2.0. See there for rationale. Some of its code lives on in device models derived from milkymist ones: hw/char/digic-uart.c and hw/display/bcm2835_fb.c. Cc: Michael Walle Signed-off-by: Markus Armbruster Message-Id: <20210503084034.3804963-2-armbru@redhat.com> Acked-by: Michael Walle [Trivial conflicts resolved, reST markup fixed]