Age | Commit message (Collapse) | Author |
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This is currently only compile tested.
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The frame counter seems to increase only at the end of vertical blank, so we
need to add 1 while in vertical blank.
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- use a timer for disabling vblank events to avoid enable/disable calls too
often
- make i915 work with pre-965 chips again (would like to structure this
better, but this hack works on my test system)
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s/u64/drm_u64_t/ to allow userspace code using drm.h to compile.
Move 64 bit arg member to the beginning to avoid alignment issues with 32
bit userspace on 64 bit kernels.
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Simply always acknowledge all interrupts we're interested in, to avoid hard
hangs when an unexpected interrupt is flagged.
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It's possible that we disable vblank interrupts and clear the
corresponding flag in irq_enable_reg, but receive an interrupt at just
the wrong time, causing us to not ack it properly, nor report to the
core kernel that it was handled. Fix that case by always handling
vblank interrupts, even if the irq_enable_reg field is clear.
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routine.
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Fix range of frame counter registers.
Use DRM_ERR() instead of Linux specific error codes in shared code.
Remove duplicate register definitions and superfluous local variables.
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(this makes get_vblank_counter return an actual value).
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Also use drm_calloc instead of drm_alloc and memset, and use the size of the
struct instead of the size of the pointer for allocation...
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- use correct refcount variable in get/put routines
- extract counter update from drm_vblank_get
- make signal handling callback per-crtc
- update interrupt handling logic, drivers should use drm_handle_vblank
- move wakeup and counter update logic to new drm_handle_vblank routine
- fixup usage of get/put in light of counter update extraction
- fix longstanding bug in signal code, update pending counter only
*after* we're sure we'll setup signal handling
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path. It doesn't appear to serve any useful purpose.
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- move pre/post modeset ioctl to core
- fixup i915 buffer swap
- fix outstanding signal count code
- create new core vblank init routine
- test (works with glxgears)
- simplify i915 interrupt handler
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of vblank interrupt in order to save power.
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These require that the status page be referenced by a pointer in GTT, rather
than phsyical memory. So, we have the X Server allocate that memory and tell
us the address, instead.
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This reverts commit feb68037784ac09e333a321d294fdb2d8c57a4c8.
This was a bad idea, the macro is actually a bit harder to convert
to a static for the other use cases
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This add support for CRTC2 vblank on radeon similiar to the i915 support
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Tested on r200/r300. i915 updates still remain to be done.
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This reverts commit 3fdef0dc2000308b16907b95f637c60acde80a74.
ditto not on master yet
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This reverts commit 3dfc1400e9fc58c69292d7cf7c2e1653fa5e6991.
this shouldn't have gone on master yet
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This is the first bunch of ioctls
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This makes the drms use of the list handling macros a lot cleaner
and more along the lines of how they should be used.
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Just moved the indent control comments so that indent doesn't try to change
anything.
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i915_driver_irq_postinstall was forcing vblank interrupts to pipe A when
called with vblank interrupts disabled. This caused vblank interrupts to be
accidentally re-enabled when VT switching the X server. Instead, start the
driver with vblank interrupts enabled on pipe A to support older X servers,
but then leave control over the state to the X server if it is able to do so.
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There can still be other contexts that may use page flipping later on, so don't
just unilaterally 'clean it up', which could lead to the wrong page being
displayed, e.g. when running 3D apps with a GLX compositing manager such as
compiz using page flipping.
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