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Caught by the kbuild test robot.
v2: Fix the +i I dropped in the first version.
Signed-off-by: Eric Anholt <eric@anholt.net>
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vc4_plane_init() returns an ERR_PTR on error, it doesn't return NULL.
This was obviously intended because the next lines call
PTR_ERR(primary_plane) already.
Fixes: c8b75bca92cb ('Eric Anholt <eric@anholt.net>')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Connector cannot be null because it is a list entry, ie accessed at an
offset from the positions of the list structure pointers themselves.
Generated by: scripts/coccinelle/iterators/itnull.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Eric Anholt <eric@anholt.net>
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drm-next
This pull request introduces the vc4 driver, for kernel modesetting on
the Raspberry Pi (bcm2835/bcm2836 architectures). It currently
supports a display plane and cursor on the HDMI output. The driver
doesn't do 3D, power management, or overlay planes yet.
[airlied: fixup the enable/disable vblank APIs]
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
* tag 'drm-vc4-next-2015-10-21' of http://github.com/anholt/linux:
drm/vc4: Allow vblank to be disabled
drm/vc4: Use the fbdev_cma helpers
drm/vc4: Add KMS support for Raspberry Pi.
drm/vc4: Add devicetree bindings for VC4.
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This is enough for fbcon and bringing up X using
xf86-video-modesetting. It doesn't support the 3D accelerator or
power management yet.
v2: Drop FB_HELPER select thanks to Archit's patches. Do manual init
ordering instead of using the .load hook. Structure registration
more like tegra's, but still using the typical "component" code.
Drop no-op hooks for atomic_begin and mode_fixup() now that
they're optional. Drop sentinel in Makefile. Fix minor style
nits I noticed on another reread.
v3: Use the new bcm2835 clk driver to manage pixel/HSM clocks instead
of having a fixed video mode. Use exynos-style component driver
matching instead of devicetree nodes to list the component driver
instances. Rename compatibility strings to say bcm2835, and
distinguish pv0/1/2. Clean up some h/vsync code, and add in
interlaced mode setup. Fix up probe/bind error paths. Use
bitops.h macros for vc4_regs.h
v4: Include i2c.h, allow building under COMPILE_TEST, drop msleep now
that other bugs have been fixed, add timeouts to cpu_relax()
loops, rename hpd-gpio to hpd-gpios.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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