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  1. 20 3月, 2012 31 次提交
  3. 16 3月, 2012 1 次提交
  5. 15 3月, 2012 8 次提交
    • D
      drm/udl: initial UDL driver (v4) · 5320918b
      由 Dave Airlie 提交于 
      This is an initial drm/kms driver for the displaylink devices.

Supports fb_defio,
supports KMS dumb interface
supports 24bpp via conversion to 16bpp, hw can do this better.
supports hot unplug using new drm core features.

On an unplug, it disables connector polling, unplugs connectors
from sysfs, unplugs fbdev layer (using Kay's API), drops all the
USB device URBs, and call the drm core to unplug the device.

This driver is based in large parts on udlfb.c so I've licensed
it under GPLv2.
Signed-off-by: NDave Airlie <airlied@redhat.com>
      5320918b
    • D
      drm: add core support for unplugging a device (v2) · 2c07a21d
      由 Dave Airlie 提交于 
      Two parts to this, one is simple unplug from sysfs for the device node.

The second adds an unplugged state, if we have device opens, we
just set the unplugged state and return, if we have no device
opens we drop the drm device.

If after a lastclose we discover we are unplugged we then
drop the drm device.

v2: use an atomic for unplugged and wrap it for users,
add checks on open + mmap + ioctl entry points.
Signed-off-by: NDave Airlie <airlied@redhat.com>
      2c07a21d
    • D
      drm/modeset: add helper to unplug all connectors from sysfs · cbc7e221
      由 Dave Airlie 提交于 
      In order to get correct ordering at hot-unplug for userspace,
we need to tear down all the sysfs bits at the correct time.

This adds a helper to allow drivers to remove the sysfs nodes
for all connectors.
Signed-off-by: NDave Airlie <airlied@redhat.com>
      cbc7e221
    • D
      drm/sysfs: protect sysfs removal code against being run twice. · 1828fe6c
      由 Dave Airlie 提交于 
      a step towards correct hot unplug for USB devices, we need to
remove the userspace facing bits at the unplug time for correct
udev operation.
Signed-off-by: NDave Airlie <airlied@redhat.com>
      1828fe6c
    • K
      udlfb: remove sysfs framebuffer device with USB .disconnect() · ce880cb8
      由 Kay Sievers 提交于 
      The USB graphics card driver delays the unregistering of the framebuffer
device to a workqueue, which breaks the userspace visible remove uevent
sequence. Recent userspace tools started to support USB graphics card
hotplug out-of-the-box and rely on proper events sent by the kernel.

The framebuffer device is a direct child of the USB interface which is
removed immediately after the USB .disconnect() callback. But the fb device
in /sys stays around until its final cleanup, at a time where all the parent
devices have been removed already.

To work around that, we remove the sysfs fb device directly in the USB
.disconnect() callback and leave only the cleanup of the internal fb
data to the delayed work.

Before:
 add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
 add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
 add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/graphics/fb0 (graphics)
 remove   /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
 remove   /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
 remove   /2-1.2:1.0/graphics/fb0 (graphics)

After:
 add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
 add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
 add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/graphics/fb1 (graphics)
 remove   /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/graphics/fb1 (graphics)
 remove   /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
 remove   /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)

Cc: stable@vger.kernel.org
Tested-by: NBernie Thompson <bernie@plugable.com>
Acked-by: NBernie Thompson <bernie@plugable.com>
Signed-off-by: NKay Sievers <kay.sievers@vrfy.org>
Signed-off-by: NFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
      ce880cb8
    • D
      drm: Merge tag 'v3.3-rc7' into drm-core-next · 8229c885
      由 Dave Airlie 提交于 
      Merge the fixes so far into core-next, needed to test
intel driver.

Conflicts:
	drivers/gpu/drm/i915/intel_ringbuffer.c
      8229c885
    • V
      drm: Add drm_mode_copy() · c3c50e8b
      由 Ville Syrjälä 提交于 
      Add a helper function to copy a display mode. Use it in
drm_mode_duplicate() and nouveau mode_fixup hooks.
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>
      c3c50e8b
    • V
      drm: Use a flexible array member for blob property data · d63f5e6b
      由 Ville Syrjälä 提交于 
      The blob property data is always allocated immediately after the object
header. No need for the extra indirection when accessing it, just use
a flexible array member.
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>
      d63f5e6b