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#5536 <https://bugs.freedesktop.org/attachment.cgi?id=5536>:
Change HostDataBlit interface to take dst_offset_pitch and coordinates
instead of just a destination pointer, as the latter is not sufficient
with tiling. Also, use HW clipping to avoid overwriting destination
data outside of the specified width.
Adapt to new HostDataBlit interface. This fixes corruption with
UploadToScreen to the front buffer (from exaPutImage).
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with RB3D_DSTCACHE_*. The RB2D versions are read-only mirrors of the
RB3D. This is masked when DRI is enabled because the DRM uses the right
registers in its flushing.
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symbols directly. The xf86* versions aren't supposed to be used
directly.
Drop libc wrapper; don't include xf86_ansic.h and add includes now missing.
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addresses are setup, thus causing the card to try to bus master over
the system bus to some stale location (usually 0 but could depend on
whatever was used before X). Remove that useless init bit, and always
setup some good enough engine source & destination pointers in case we
have some other spurrious engine activity going on.
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which may or may not have had a negative impact on stability with R300
class cards.
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cards. It has been implicated in hanging at least r300s and some r100s,
and seemed to be the cause of some bad rendering for me.
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controlled at compile time, plus the runtime option of Option
"AccelMethod" "EXA" or "XAA". The XAA support appears to remain as
before, while the EXA pieces need just a little more polishing. Notable
features:
- Render acceleration working on Radeon 100 and 200-series with DRI on.
- DRI works with EXA Notable issues:
- DGA disabled in the EXA case.
- Backbuffer moves disabled in the EXA case.
- No textured XVideo.
- MMIO render acceleration is close but still has some issues.
- Memory pressure while using Composite is really troublesome with DRI on.
This patch is based on an initial patch by Zack Rusin, with significant
work by Benjamin Herrenschmidt and myself.
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Hui Yu)
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Convert all XAA accel code to use explicit dst and src offset pitch
control to make it work. Use the new drm surface ioctls to set up the
tiled surfaces (if dri is enabled).
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should now work on ppcs without usefbdev. To use this on ppc make sure
you set "usefbdev" to false. (bug 2089)
- Apply Benjamin Herrenschmidt's radeon patches (bug 2064)
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programs/Xserver/hw/xfree86/drivers/ati/radeon_accel.c
programs/Xserver/hw/xfree86/drivers/ati/radeon_dri.c
Move DMA robustness fix into radeon_dri.c::RADEONEnterServer() as per
suggestion by Michel Dänzer.
I could not trigger a lockup, even with r300_demo (possibly it has code
that flushes cache inside ?), so this must be good enough..
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programs/Xserver/hw/xfree86/drivers/ati/radeon_accel.c
Add DMA robustness fix from Nicolai Haehnle.
TODO: move this fix into DRM driver or other parts of Xserver when R300
support is more stable.
This fix affects only R300 and later variants and results in small slowdown
when using CP acceleration in comparison to the previous version of the
driver.
We are still a lot faster in CP mode than using MMIO register access.
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programs/Xserver/hw/xfree86/drivers/ati/radeon_render.c
programs/Xserver/hw/xfree86/drivers/ati/radeon_accel.c
Make DMA blitting code more robust.
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programs/Xserver/hw/xfree86/drivers/ati/radeon_accel.c
programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c
programs/Xserver/hw/xfree86/drivers/ati/radeon_dri.c
programs/Xserver/hw/xfree86/drivers/ati/radeon_common.h
programs/Xserver/hw/xfree86/drivers/ati/radeon_version.h Add R300 (and
later) DRM support, protected by X_R300_DRM option.
Note: at the moment this is for 2d support only, if enabled running
glxgears locks up my machine, but DMAForXv=yes works fine.
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system memory to video RAM, which should reduce CPU usage especially
with larger videos. Can be disabled via Option "DMAForXv" if there
should be any stability issues, but it's been stable for me during a
week of testing. Based on a patch by Nikolaus Meine
<meine@tnt.uni-hannover.de>. Probably fix endianness issues in some
newer XVideo code, untested.
Also use hostdata blits to transfer RENDER image data to video RAM to avoid
idling the accelerator engine. Increases RENDER performance
significantly for me.
These changes were only tested on an M9 in a Titanium PowerBook but should
work with all Radeons where direct rendering is supported.
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defined (Bug #922, Eric Anholt).
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Harold L. Hunt II, Alexander Gottwald).
Fix crash when using X core font in zh_CN.UTF-8 locale (Bug #368, Yu Shao,
David Dawes).
Fix glXMakeCurrent(Dpy, None, NULL) crash (Bug #719, Adam Jackson).
HP-PA build fix (Bug #828, Guy Martin, Paul Anderson).
Fix SDK build for GATOS and Wacom driver (Bug #829, Bryan Stine).
Fix attempt to read video ROM before enabling it (Bug #843, Ivan
Kokshaysky, Mike A. Harris).
Fix detection of primary adapter (Bug #843, Ivan Kokshaysky, Mike A.
Harris).
Clarify xset man page description of how to use the keyboard repeat rate
settings (Bug #846, Mike A. Harris).
Fix problem where print-screen key would get remapped to sys-req in certain
keymaps, which broke GNOME printscreen functionality (Bug #847, Owen
Taylor).
Fix several render problems:
- MMIO mode support
- Hang on IGP chips
- VT switching hang
- 3D render corruption (Bug #922, Hui Yu).
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Add special handlings for DELL triple-head server (RV100). Misc. bug
fixes for flat panel, host aperture, etc (Bug #946)
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framebuffer formats except cfb and the overlay modes should work, and
r128 and radeon need to be loaded from the ati driver (both issues to
be fixed soon). Tested on i740, s3virge, mach64, tdfx, vesa, and vga
drivers. elfloader users shouldn't be affected.
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- Add small fixes and clean ups from ati's last code drop (typo_fixes,
remove_fudge, laptop, xvfix)
- fix possible segfault in mga_dri.c (Ryan Underwood)
- Add Xv support to pre-nm2160 neomagic chipsets
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Render acceleration merges.
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- Add Render acceleration for Radeon 100 and 200-series cards, enabled by
default. Notable performance gains include 27fps in cairogears instead
of 6fps (compared to 50 with glitz), and my disks are now the
bottleneck in an ls -lR in gnome-terminal. Only supported in DRI mode
because the MMIO submission hangs the card so far, but the code is left
in because it may be supportable soon.
- Add xorg.conf options to disable Render acceleration and to force the
subpixel order in the server (Hui Yu).
Many thanks to Hui Yu at ATI for the code this was based off of, Michel
Daenzer for bugfixes and suggestions, and LinuxFund for sponsoring the
work.
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with the following notes:
- Savage and Mach64 (= ati/ati*.[ch] changes) DRI not merged due to
insecurity.
- VIA driver converted to new drmContext and drmHandle names.
- Radeon driver merge conflicted in many places, and MergedFB at least
could probably use some checking at this point.
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