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Add code to get panel modes from the VBIOS if present and check whether certain
outputs exist. Should make our display detection code a little more robust.
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To avoid bo memory manager being inited twice, it will be called
at firstopen when modeset is not enabled.
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into modesetting-101
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It would be nice if one day the DRM driver was the canonical source for
register definitions and core macros. To that end, this patch cleans
things up quite a bit, removing redundant definitions (some with
different names referring to the same register) and generally tidying up
the header file.
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In order to avoid recursive ->detect->interrupt->detect->interrupt->...
we need to disable TV hotplug interrupts in
intel_tv.c:intel_tv_detect_type. We also need to enable the TV interrupt
detection and hotplug sequence properly in i915_irq.c.
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drm_crtc->fb may point to NULL, f.e X server will allocate a new fb
and assign it to the CRTC at startup, when X server exits, it will destroy
the allocated fb, making drm_crtc->fb points to NULL.
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moving modeset init code into one function and correct error
handling druing i915 init
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We need to alloc a hw status page bo for G33 if modeset is enabled since the 2D
driver can't alloc gfx memory when working in drm modeset.
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Fixup workqueue creation error handling and make sure we destroy the queue on
unload.
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Map the VBIOS (and therefore VBT) at init time for use by various output
initialization routines.
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This reverts commit 2a78ad22647933aa8842d534bce6495ff93fbf76.
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patch from F9 tree
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Conflicts:
linux-core/Makefile.kernel
shared-core/i915_drv.h
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No solid idea about what these 2 bits do, but nv50 can now survive a few
PGRAPH exceptions just as nv40 does :)
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This is possibly temporary. I can trigger an unending IRQ storm on G8x
in some circumstances, and have no idea how to handle that particular PFIFO
exception correctly yet.
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Doesn't fix any issue I've seen, but is a potential issue if a FIFO IRQ
occurs during channel creation/takedown.
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The IRQ handling stuff really is a mess.. On the TODO :)
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I swore I'd actually do this properly and not go the horrible route
we did with nv4x, but I won't get around to it just yet with so many
*actually* interesting things to do first.. One day.
Since someone already added nv86, why not!
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Turns out it's important to save/restore AR14 in particular.
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Conflicts:
linux-core/Makefile.kernel
linux-core/drm_compat.c
linux-core/drm_fops.c
linux-core/drm_lock.c
shared-core/drm.h
shared-core/i915_dma.c
shared-core/i915_drv.h
shared-core/i915_irq.c
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Make both crtc and the command argument 32 bits to avoid any 32-on-64 compat
issues.
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Enum can be of pretty much any size since C leaves the choice of size up to the implementation. So avoid using it in new interfaces like the vblank pre- & post-modeset ioctl. Thanks to hch for spotting this.
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Remove lock functions and use pci_map_rom() instead of pci_map_rom_copy().
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Since it'll be freed at unload time, we should alloc devname rather than
pointing to the DRIVER_NAME string.
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On my 865G machine, it seems the CPU will receive interrupt before
irq_postinstall is called. This will cause kernel oops because vblank is not
inited at that time. Clear interrupt status before install seems fixing this
problem.
Signed-off-by: Hong Liu <hong.liu@intel.com>
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From Jesse and Zhenyu originally.
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The vblank tasklet update code must build 2D blt commands with the
appropriate tiled flags.
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The batchbuffer submission paths were fixed to use the 965-specific command,
but the vblank tasklet was not. When the older version is sent, the 965 will
lock up.
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Ported from Xorg intel 2d driver. Changed interfaces definitions, which needed
to be changed later if other device wants to use these DVO stuff.
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into modesetting-101
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Doesn't yet work on my i915 test machine, but most of the necessary bits
should be there.
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into modesetting-101
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If the driver is 'modeset' enabled, it'll register it's interrupt
handler at load time. Set the devname in this case so that
/proc/interrupts makes sense.
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