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This pull request fixes the major VC4 HDMI modesetting bugs found when
the first wave of users showed up in Raspbian.
* tag 'drm-vc4-fixes-2016-03-03' of github.com:anholt/linux:
drm/vc4: Initialize scaler DISPBKGND on modeset.
drm/vc4: Fix setting of vertical timings in the CRTC.
drm/vc4: Fix the name of the VSYNCD_EVEN register.
drm/vc4: Add another reg to HDMI debug dumping.
drm/vc4: Bring HDMI up from power off if necessary.
drm/vc4: Fix a framebuffer reference leak on async flip interrupt.
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We weren't updating the interlaced bit, so we'd scan out incorrectly
if the firmware had brought up the TV encoder and we were switching to
HDMI.
Signed-off-by: Eric Anholt <eric@anholt.net>
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It looks like when I went to add the interlaced bits, I just took the
existing PV_VERT* block and indented it, instead of copy and pasting
it first. Without this, changing resolution never worked.
Signed-off-by: Eric Anholt <eric@anholt.net>
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It's used for delaying vsync in interlaced mode.
Signed-off-by: Eric Anholt <eric@anholt.net>
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We'd need X to queue up an async pageflip while another is
outstanding, and then take a SIGIO. I think X actually avoids sending
out the next pageflip while one's already queued, but I'm not sure.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Previously we only did the primary and cursor plane, but overlay
planes are useful and just require this setup to add, since all planes
go into the HVS display list in the same way.
Signed-off-by: Eric Anholt <eric@anholt.net>
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So far, we've only ever lit up one CRTC, so this has been fine. To
extend to more displays or more planes, we need to make sure we don't
run our display lists into each other.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Again since the drm core takes care of event unlinking/disarming this
is now just needless code.
v2: Fixup misplaced hunk.
Cc: Eric Anholt <eric@anholt.net>
Acked-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1)
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1453756616-28942-14-git-send-email-daniel.vetter@ffwll.ch
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Now that connector_mask is reliable there's no need for this
function any more.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451908400-25147-6-git-send-email-maarten.lankhorst@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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drm-next
This pull request brings in 3D acceleration support for the VC4 GPU.
While there is still performance work to be done (particularly
surrounding RCL generation), the CL submit ABI should be settled and
done now.
* tag 'drm-vc4-next-2015-12-11' of http://github.com/anholt/linux:
drm/vc4: Add an interface for capturing the GPU state after a hang.
drm/vc4: Add support for async pageflips.
drm/vc4: Add support for drawing 3D frames.
drm/vc4: Bind and initialize the V3D engine.
drm/vc4: Fix a typo in a V3D debug register.
drm/vc4: Add an API for creating GPU shaders in GEM BOs.
drm/vc4: Add create and map BO ioctls.
drm/vc4: Add a BO cache.
drm: Create a driver hook for allocating GEM object structs.
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Done with coccinelle for the most part. However, it thinks '...' is
part of the semantic patch, so I put an 'int DOTDOTDOT' placeholder
in its place and got rid of it with sed afterwards.
I didn't convert drm_crtc_init() since passing the varargs through
would mean either cpp macros or va_list, and I figured we don't
care about these legacy functions enough to warrant the extra pain.
@@
identifier dev, crtc, primary, cursor, funcs;
@@
int drm_crtc_init_with_planes(struct drm_device *dev,
struct drm_crtc *crtc,
struct drm_plane *primary, struct drm_plane *cursor,
const struct drm_crtc_funcs *funcs
+ ,const char *name, int DOTDOTDOT
)
{ ... }
@@
identifier dev, crtc, primary, cursor, funcs;
@@
int drm_crtc_init_with_planes(struct drm_device *dev,
struct drm_crtc *crtc,
struct drm_plane *primary, struct drm_plane *cursor,
const struct drm_crtc_funcs *funcs
+ ,const char *name, int DOTDOTDOT
);
@@
expression E1, E2, E3, E4, E5;
@@
drm_crtc_init_with_planes(E1, E2, E3, E4, E5
+ ,NULL
)
v2: Split crtc and plane changes apart
Pass NULL for no-name instead of ""
Leave drm_crtc_init() alone
v3: Add ', or NULL...' to @name kernel doc (Jani)
Annotate the function with __printf() attribute (Jani)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1449670771-2751-1-git-send-email-ville.syrjala@linux.intel.com
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An async pageflip stores the modeset to be done and executes it once
the BOs are ready to be displayed. This gets us about 3x performance
in full screen rendering with pageflipping.
Signed-off-by: Eric Anholt <eric@anholt.net>
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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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