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Daniel Vetter [Thu, 6 Apr 2017 19:06:54 +0000 (21:06 +0200)]
drm: Take mode_config.mutex in setcrtc ioctl
Legacy drivers insist that we really take all the locks in this path,
and the harm in doing so is minimal.
v2: Like git add, it exists :(
Fixes:
2ceb585a956c ("drm: Add explicit acquire ctx handling around ->set_config")
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Cc: Alex Deucher <alexdeucher@gmail.com>
Reported-by: Alex Deucher <alexdeucher@gmail.com>
Acked-and-tested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170406190654.6733-1-daniel.vetter@ffwll.ch
Maarten Lankhorst [Thu, 6 Apr 2017 18:55:20 +0000 (20:55 +0200)]
drm/atomic: Acquire connection_mutex lock in drm_helper_probe_single_connector_modes, v4.
mode_valid() called from drm_helper_probe_single_connector_modes()
may need to look at connector->state because what a valid mode is may
depend on connector properties being set. For example some HDMI modes
might be rejected when a connector property forces the connector
into DVI mode.
Some implementations of detect() already lock all state,
so we have to pass an acquire_ctx to them to prevent a deadlock.
This means changing the function signature of detect() slightly,
and passing the acquire_ctx for locking multiple crtc's.
For the callbacks, it will always be non-zero. To allow callers
not to worry about this, drm_helper_probe_detect_ctx is added
which might handle -EDEADLK for you.
Changes since v1:
- Always set ctx parameter.
Changes since v2:
- Always take connection_mutex when probing.
Changes since v3:
- Remove the ctx from intel_dp_long_pulse, and add
WARN_ON(!connection_mutex) (danvet)
- Update docs to clarify the locking situation. (danvet)
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1491504920-4017-1-git-send-email-maarten.lankhorst@linux.intel.com
Laurent Vivier [Wed, 5 Apr 2017 08:09:15 +0000 (10:09 +0200)]
drm: virtio: fix virtio_gpu_cursor_formats
When we use virtio-vga with a big-endian guest,
the mouse pointer disappears.
To fix that, on big-endian use DRM_FORMAT_BGRA8888
instead of DRM_FORMAT_ARGB8888.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170405080915.823-1-lvivier@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Dan Carpenter [Thu, 6 Apr 2017 05:21:32 +0000 (08:21 +0300)]
drm: bridge: dw-hdmi: Add a missing break statement
There was supposed to be a break before the next case statement.
Fixes:
def23aa7e982 ("drm: bridge: dw-hdmi: Switch to V4L bus format and encodings")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170406052132.GA26605@mwanda
Neil Armstrong [Wed, 5 Apr 2017 07:32:59 +0000 (09:32 +0200)]
drm: bridge: dw-hdmi: remove unused hdmi_bus_fmt_is_yuv420
Remove usused yet hdmi_bus_fmt_is_yuv420 function.
Fixes:
def23aa7e982 ("drm: bridge: dw-hdmi: Switch to V4L bus format and encodings")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1491377579-9353-1-git-send-email-narmstrong@baylibre.com
Daniel Vetter [Mon, 3 Apr 2017 08:33:04 +0000 (10:33 +0200)]
drm/fb-helper: Extract _legacy kms functions
The goal is to push all the kms locking down into these separate
_atomic and _legacy functions, so that we can correctly pass the
acquire ctx into all atomic drivers. Instead of playing games with
hidden ctx in mode_config.acquire_ctx. All the fbdev state will be
protected by a new fbdev private lock that Thierry is working on.
This here is just prep by creating a clean split between atomic and
legacy paths, which also simplifies the control flow a bit.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-16-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:33:03 +0000 (10:33 +0200)]
drm: extract legacy framebuffer remove
I got confused every time I audited what that lock_all is doing in
there until realizing it's for legacy kms only. Make that a notch more
obvious by having 2 entirely different paths.
While at it also move the atomic version of this into
drm_framebuffer.c, there's no reason it needs to be in drm_atomic.c.
That way it becomes a simple static function.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-15-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:33:02 +0000 (10:33 +0200)]
drm/atomic-helper: Remove legacy backoff hack from gamma_set
Another one knocked down.
With this we can also remove the temporary hack in the gamma_set
ioctl.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-14-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:33:01 +0000 (10:33 +0200)]
drm: Add acquire ctx to ->gamma_set hook
Atomic helpers really want this instead of the hacked-up legacy
backoff trick, which unfortunately prevents drivers from using their
own private drm_modeset_locks.
Aside: There's a few atomic drivers (nv50, vc4, soon vmwgfx) which
don't yet use the new atomic color mgmt/gamma table stuff. Would be
nice if they could switch over and just hook up
drm_atomic_helper_legacy_gamma_set() instead.
Cc: Dave Airlie <airlied@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Sinclair Yeh <syeh@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Eric Anholt <eric@anholt.net>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-13-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:33:00 +0000 (10:33 +0200)]
drm: Add explicit acquire ctx handling around ->gamma_set
Just the groundwork to prepare for adding the acquire cxt parameter to
the ->gamma_set hook. Again we need a temporary hack to fill out
mode_config.acquire_ctx until the atomic helpers are switched over.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-12-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:32:59 +0000 (10:32 +0200)]
drm/fb-helper: Give up on kgdb for atomic drivers
It just doesn't work. It probably stopped working way, way before that
(e.g. i915 grabbed random mutexes all over in modeset code at least
since gen6), but with atomic and all the ww_mutex stuff it's indeed
hopeless.
Remove ->mode_set_base_atomic from the 2 atomic drivers (i915 and
nouveau) that still had one (both had dummy implementations already
anyway), and shunt atomic drivers in the helpers debug_enter/leave
functions.
I'll leave the code in for radeon and amdgpu, but I think as soon as
amdgpu is atomic we should think about just ripping it out. Only
having it around for radeon and pre-nv50 is rather pointless. This
would also allow us to nuke all that code from fbdev.
Funny part is that _all_ kms drivers set this hook, despite that no
one else provides the required ->mode_set_base_atomic implementation.
The reason I'm jumping on this is that I want to wire up a full
acquire ctx for the benefit of atomic drivers, everywhere. And the
debug_enter/leave implementations call ->gamma_set. And there's just
no way ever we can create an acquire_ctx in the nmi context of kgdb.
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-11-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:32:57 +0000 (10:32 +0200)]
drm/i915: Nuke intel_atomic_legacy_gamma_set
We do set DRIVER_ATOMIC now.
Note that the comment is outdated, the property paths switched over to
checking drm_drv_uses_atomic_modeset() a while ago. Which means this
can't even break if we revert DRIVER_ATOMIC again.
v2: Add note that this is even safer (Maarten).
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-9-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:32:56 +0000 (10:32 +0200)]
drm: Only take crtc lock in get_gamma ioctl
We don't call into drivers at all here, this is enough. Also, we can
reduce the critical section a bit to simplify the code.
crtc->gamma_size is set up once at driver load and then invariant, so
also doesn't need any protection.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-8-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:32:55 +0000 (10:32 +0200)]
drm: Drop modeset_lock_all from the getproperty ioctl
Properties, i.e. the struct drm_property specifying the type and value
range of a property, not the instantiation on a given object, are
invariant over the lifetime of a driver.
Hence no locking at all is needed, we can just remove it.
While at it give the function some love and simplify it, to get it
under the 80 char limit:
- Straighten the loops to reduce the nesting.
- use u64_to_user_ptr casting helper
- use put_user for fixed u64 copies.
Note there's a small behavioural change in that we now copy parts of
the values to userspace if the arrays are a bit too small. Since
userspace will immediately retry anyway, this doesn't matter.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-7-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:32:54 +0000 (10:32 +0200)]
drm: drop modeset_lock_all from drm_state_info
If we push the locks down we don't have to take them all at the same
time.
Aside: Making dump_info fully safe should be fairly simple, if we
protect the ->state pointers with rcu. Simply putting a
synchronize_rcu() into the drm_atomic_state free function should be
all that's roughly needed. Well except we shouldn't block in there, so
better to put that into a work_struct. But I've not set out to fix
that little issue.
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-6-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:32:53 +0000 (10:32 +0200)]
drm/atomic-helper: remove modeset_lock_all from helper_resume
Atomic code rely shouldn't rely on the magic hidden acquire context.
v2: Remove unused config local var (gcc).
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-5-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:32:52 +0000 (10:32 +0200)]
drm: Remove drm_modeset_legacy_acquire_ctx and crtc->acquire_ctx
With all the callers of drm_modeset_lock_crtc gone, and all the places
it was formerly used properly wiring the acquire ctx through, we can
remove this.
The only hidden context magic we still have is now the global one.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-4-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:32:51 +0000 (10:32 +0200)]
drm: Remove drm_modeset_(un)lock_crtc
The last user, the cursor ioctl, can just open-code this too. We
simply have to move the acquire ctx dance from the universal function
up into the top-level ioctl handler.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-3-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 3 Apr 2017 08:32:50 +0000 (10:32 +0200)]
drm: Make drm_modeset_lock_crtc internal
This is only for legacy paths that need to grab the crtc/plane lock
combo. If you want to lock a crtc, just use drm_modeset_lock().
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-2-daniel.vetter@ffwll.ch
Ander Conselvan de Oliveira [Tue, 4 Apr 2017 16:52:21 +0000 (17:52 +0100)]
drm: Pass CRTC ID in userspace vblank events
With the atomic API, it is possible that a single commit affects
multiple crtcs. If the user requests an event with that commit, one
event will be sent for each CRTC, but it is not possible to distinguish
which crtc an event is for in user space. To solve this, the reserved
field in struct drm_vblank_event is repurposed to include the crtc_id
which the event is for.
The DRM_CAP_CRTC_IN_VBLANK_EVENT is added to allow userspace to query if
the crtc field will be set properly.
[daniels: Rebased, using Maarten's forward-port.]
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Stone <daniels@collabora.com>
Cc: Maarten Lankhorst <maarten.lankhorst@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170404165221.28240-2-daniels@collabora.com
Daniel Vetter [Tue, 4 Apr 2017 09:53:04 +0000 (11:53 +0200)]
drm/doc: Small markup fixup
Drive-by cleanup.
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170404095304.17599-11-daniel.vetter@ffwll.ch
Daniel Vetter [Tue, 4 Apr 2017 09:52:57 +0000 (11:52 +0200)]
drm: document drm_ioctl.[hc]
Also unify/merge with the existing stuff.
I was a bit torn where to put this, but in the end I decided to put
all the ioctl/sysfs/debugfs stuff into drm-uapi.rst. That means we
have a bit a split with the other uapi related stuff used internally,
like drm_file.[hc], but I think overall this makes more sense.
If it's too confusing we can always add more cross-links to make it
more discoverable. But the auto-sprinkling of links kernel-doc already
does seems sufficient.
Also for prettier docs and more cross-links, switch the internal
defines over to an enum, as usual.
v2: Update kerneldoc fro drm_compat_ioctl too (caught by 0day), plus a
bit more drive-by polish.
v3: Fix typo, spotted by xerpi on irc (Sergi).
v4: Add missing space in comment (Neil).
Cc: Sergi Granell <xerpi.g.12@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170404095304.17599-4-daniel.vetter@ffwll.ch
Daniel Vetter [Tue, 4 Apr 2017 09:52:55 +0000 (11:52 +0200)]
drm: Consolidate and document sysfs support
- remove docs for internal func, doesn't add value
- add short overview snippet instead explaining that drivers don't
have to bother themselves with reg/unreg concerns
- drop the ttm comment about drmP.h, drmP.h is disappearing ...
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170404095304.17599-2-daniel.vetter@ffwll.ch
Daniel Vetter [Tue, 4 Apr 2017 09:52:54 +0000 (11:52 +0200)]
drm: update todo.rst
Just drive-by, but we have gsoc running so better to update it now.
Great news is that two entries can be removed because essentially all
done.
v2: Keep a bunch of the todos, Gabriel is working on them.
Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170404095304.17599-1-daniel.vetter@ffwll.ch
John Keeping [Fri, 3 Mar 2017 11:39:45 +0000 (11:39 +0000)]
dt-bindings: display: rk3288-mipi-dsi: add reset property
This reset is required in order to fully reset the internal state of the
MIPI controller.
Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170303113945.3bd2cbd9.john@metanate.com
Neil Armstrong [Tue, 4 Apr 2017 12:15:31 +0000 (14:15 +0200)]
MAINTAINERS: update files for Amlogic DRM Driver
This patch adds the dw-hdmi bindings and RST kerneldoc to maintained files.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1491308131-22071-2-git-send-email-narmstrong@baylibre.com
Neil Armstrong [Tue, 4 Apr 2017 12:15:30 +0000 (14:15 +0200)]
drm/meson: Add RST to bring together kerneldoc
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:15:29 +0000 (14:15 +0200)]
drm/meson: Convert existing documentation to actual kerneldoc
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:15:28 +0000 (14:15 +0200)]
dt-bindings: Add bindings for the Amlogic Meson dw-hdmi extension
This binding describes the Amlogic Meson specific extension to the
Synopsys Designware HDMI Controller.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:15:27 +0000 (14:15 +0200)]
drm/meson: Add support for HDMI encoder and DW-HDMI bridge + PHY
The Amlogic Meson GXBB/GXL/GXM SoCs embeds a Synopsys DesignWare HDMI TX
Controller with a custom Bridge + PHY around the Controller.
This driver makes uses of all the custom PHY plat data callbacks and enables
the compatible HDMI modes to be configured as a drm_encoder instance.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:15:26 +0000 (14:15 +0200)]
drm/meson: Add support for HDMI venc modes and settings
This patch adds support for the supported HDMI Venc modes and add the VPP mux
value to switch to ENCP encoder.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:15:25 +0000 (14:15 +0200)]
drm/meson: add support for HDMI clock support
This patchs adds support for the supported HDMI modes clocks frequencies.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:15:24 +0000 (14:15 +0200)]
drm/meson: venc_cvbs: no more return -ENODEV if CVBS is not available
Since this is managed now by the components code, if CVBS is not available
and HDMI neither, the drm driver won't bind anyway.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:15:23 +0000 (14:15 +0200)]
drm/meson: Add support for components
This patch adds support for optional components connected through the
Device Tree endpoints scheme.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:15:22 +0000 (14:15 +0200)]
drm/meson: Add missing HDMI register
Add missing VPU HDMI register.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:15:21 +0000 (14:15 +0200)]
drm/meson: Use crtc_state for hdisplay and fix atomic flush/enable sync for vsync commit
Clean the crtc_enable by using the proper crtc_state instead of the state
of the primary plane state data.
Also fix the dependency to commit the plane changes even if enable is called
after the flush.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:31:59 +0000 (14:31 +0200)]
drm: bridge: dw-hdmi: Move HPD handling to PHY operations
The HDMI TX controller support HPD and RXSENSE signaling from the PHY
via it's STAT0 PHY interface, but some vendor PHYs can manage these
signals independently from the controller, thus these STAT0 handling
should be moved to PHY specific operations and become optional.
The existing STAT0 HPD and RXSENSE handling code is refactored into
a supplementaty set of default PHY operations that are used automatically
when the platform glue doesn't provide its own operations.
Reviewed-by: Jose Abreu <joabreu@synopsys.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1491309119-24220-2-git-send-email-narmstrong@baylibre.com
Neil Armstrong [Tue, 4 Apr 2017 12:31:58 +0000 (14:31 +0200)]
drm: bridge: dw-hdmi: Add Documentation on supported input formats
This patch adds a new DRM documentation entry and links to the input
format table added in the dw_hdmi header.
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Neil Armstrong [Tue, 4 Apr 2017 12:31:57 +0000 (14:31 +0200)]
drm: bridge: dw-hdmi: Switch to V4L bus format and encodings
Switch code to use the newly introduced V4L bus formats IDs instead of custom
defines. Also use the V4L encoding defines.
Some display pipelines can only provide non-RBG input pixels to the HDMI TX
Controller, this patch takes the pixel format from the plat_data if provided.
Reviewed-by: Jose Abreu <joabreu@synopsys.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Laurent Pinchart [Tue, 4 Apr 2017 12:31:56 +0000 (14:31 +0200)]
drm: bridge: dw-hdmi: Extract PHY interrupt setup to a function
In preparation for adding PHY operations to handle RX SENSE and HPD,
group all the PHY interrupt setup code in a single location and extract
it to a separate function.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Jose Abreu <joabreu@synopsys.com>
[narmstrong: renamed dw_hdmi_fb_registered to dw_hdmi_setup_i2c]
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Sean Paul [Tue, 4 Apr 2017 15:34:30 +0000 (11:34 -0400)]
Merge tag 'topic/synopsys-media-formats-2017-04-03' of git://anongit.freedesktop.org/git/drm-misc into drm-misc-next
Media formats for synopsys HDMI TX Controller
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403163544.kcw5kk52tgku5xua@art_vandelay
Sean Paul [Tue, 4 Apr 2017 15:26:14 +0000 (11:26 -0400)]
Merge airlied/drm-next into drm-misc-next
Backmerging in order to pull vmwgfx [1] and the new synopsys media
format [2] reqs.
[1]- http://patchwork.freedesktop.org/patch/msgid/
20170331233255.GA38850@syeh-m02
[2]- http://patchwork.freedesktop.org/patch/msgid/
20170403163544.kcw5kk52tgku5xua@art_vandelay
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Gerd Hoffmann [Mon, 3 Apr 2017 07:08:45 +0000 (09:08 +0200)]
drm: virtio: fix virtio_gpu_mode_dumb_create
Lookup format using virtio_gpu_translate_format()
instead of hardcoding it. Fixes xorg display on
bigendian guests (i.e. ppc64).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403070845.10793-3-kraxel@redhat.com
Gerd Hoffmann [Mon, 3 Apr 2017 07:08:44 +0000 (09:08 +0200)]
drm: virtio: add virtio_gpu_translate_format
Factors out code, no functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403070845.10793-2-kraxel@redhat.com
Neil Armstrong [Tue, 4 Apr 2017 08:01:34 +0000 (10:01 +0200)]
MAINTAINERS: meson-drm: remove useless git repository
Meson DRM is switching to drm-misc, so remove the freedesktop drm/meson-drm
git repository from MAINTAINERS entry.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1491292894-9190-1-git-send-email-narmstrong@baylibre.com
Dave Airlie [Mon, 3 Apr 2017 19:45:49 +0000 (05:45 +1000)]
Merge tag 'omapdrm-4.12' of git://git./linux/kernel/git/tomba/linux into drm-next
omapdrm changes for 4.12
Main changes include:
* Add support for render nodes.
* Refactor omapdss code to allow multiple DISPC implementations. This is pre-work for DSS6 support.
* Fix replication logic bug, which caused RGB565 fb to be shown too dark on a 24bit display.
* Improve detection of display stack readiness, which should remove the probe order issues.
* Link panel-dpi with its backlight, so that they are turned on/off in sync.
* Fix possibly incorrect setup of sync and data-enable signals.
* Get rid of DRM_OMAP_NUM_CRTCS config option.
* tag 'omapdrm-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (34 commits)
drm/omap: Major omap_modeset_init() cleanup
drm/omap: Remove the obsolete #define omap_plane _omap_plane hack
drm/omap: Fix one ugly indentation style break left by coccinelle
drm/omap: Rename enum omap_plane to enum omap_plane_id
drm/omap: Get rid of DRM_OMAP_NUM_CRTCS config option
drm/omap: fix crash on module unload
drm/omap: use drm_atomic_helper_shutdown()
drm/omap: fix display SYNC/DE flags
drm/omap: dispc: improve debug print of display flags
drm/omap: displays: panel-dpi: Support for handling backlight devices
drm/omap: poll only connectors where the connect/disconnect can be checked
drm/omap: display: Add displays in sorted order to the panel_list
drm/omap: Use omapdss_stack_is_ready() to check that the display stack is up
drm/omap: dss: Support for detecting display stack readiness
drm/omap: dss: Functions to check components in the display/output list
drm/omap: fix replication logic
drm/omap: remove unused dispc_wb_enable & dispc_wb_is_enabled
drm/omap: remove all EXPORT_SYMBOLs from dispc.c
drm/omap: use dispc_ops
drm/omap: fill dispc_ops
...
Russell King [Fri, 31 Mar 2017 10:03:20 +0000 (11:03 +0100)]
dma-buf: align debugfs output
Align the heading with the values output from debugfs.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: http://patchwork.freedesktop.org/patch/msgid/E1cttOq-0006GX-U7@rmk-PC.armlinux.org.uk
Neil Armstrong [Mon, 3 Apr 2017 14:42:35 +0000 (16:42 +0200)]
documentation: media: Add documentation for new RGB and YUV bus formats
Add documentation for added Bus Formats to describe RGB and YUV formats used
as input to the Synopsys DesignWare HDMI TX Controller.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1491230558-10804-4-git-send-email-narmstrong@baylibre.com
Neil Armstrong [Mon, 3 Apr 2017 14:42:34 +0000 (16:42 +0200)]
media: uapi: Add RGB and YUV bus formats for Synopsys HDMI TX Controller
In order to describe the RGB and YUV bus formats used to feed the
Synopsys DesignWare HDMI TX Controller, add missing formats to the
list of Bus Formats.
Documentation for these formats is added in a separate patch.
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Reviewed-by: Jose Abreu <joabreu@synopsys.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1491230558-10804-3-git-send-email-narmstrong@baylibre.com
Jyri Sarha [Fri, 24 Mar 2017 14:47:55 +0000 (16:47 +0200)]
drm/omap: Major omap_modeset_init() cleanup
Cleanup overly complex omap_modeset_init(). The function is trying to
support many unusual configuration, that have never been tested and
are not supported by other parts of the dirver.
After cleanup the init function creates exactly one connector,
encoder, crtc, and primary plane per each connected dss-device. Each
connector->encoder->crtc chain is expected to be separate and each
crtc is connect to a single dss-channel. If the configuration does not
match the expectations or exceeds the available resources, the
configuration is rejected.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Jyri Sarha [Fri, 24 Mar 2017 14:47:54 +0000 (16:47 +0200)]
drm/omap: Remove the obsolete #define omap_plane _omap_plane hack
Remove the obsolete "#define omap_plane _omap_plane" hack and other
related hacks to get around the enum omap_plane colliding with struct
omap_plane.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Jyri Sarha [Fri, 24 Mar 2017 14:47:53 +0000 (16:47 +0200)]
drm/omap: Fix one ugly indentation style break left by coccinelle
Fix one ugly indentation style break left by the previous coccilnelle
patch.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Jyri Sarha [Fri, 24 Mar 2017 14:47:52 +0000 (16:47 +0200)]
drm/omap: Rename enum omap_plane to enum omap_plane_id
The enum omap_plane conflicted with the same struct name for omapdrm
plane private data. This rename should solve the conflict.
The rename was implement with this very simple coccinelle patch:
------------------------
@@
@@
enum
-omap_plane
+omap_plane_id
------------------------
The patch was applied like this:
spatch --sp-file <cocci_file> --all-includes --in-place --dir drivers/gpu/drm/omapdrm
The above patch did not rename the actual enum definition. That was
added manually on top of the spatch changes.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Jyri Sarha [Fri, 24 Mar 2017 14:47:51 +0000 (16:47 +0200)]
drm/omap: Get rid of DRM_OMAP_NUM_CRTCS config option
Allocate one CRTC for each connected output and get rid of
DRM_OMAP_NUM_CRTCS config option. We still can not create more CRTCs
than we have DSS display managers. We also reserve one overlay per
CRTC for primary plane so we can not have more CRTCs than we have
overlays either.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Fri, 24 Mar 2017 07:58:49 +0000 (09:58 +0200)]
drm/omap: fix crash on module unload
When unloading omapdrm we get a NULL pointer deref in
omap_drm_irq_uninstall(). This is caused by:
967dd48417874dd25491a4e933648f394a64f70f ("drm: remove
drm_vblank_no_hw_counter assignment from driver code")
We shut down all the crtcs at unload time before calling
omap_drm_irq_uninstall, so the code in omap_drm_irq_uninstall() is
unnecessary and can be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tomi Valkeinen [Mon, 27 Mar 2017 07:02:22 +0000 (10:02 +0300)]
drm/omap: use drm_atomic_helper_shutdown()
Use drm_atomic_helper_shutdown() to ensure that all crtcs are disabled
when unloading the driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Wed, 23 Nov 2016 11:24:00 +0000 (13:24 +0200)]
drm/omap: fix display SYNC/DE flags
At the moment VSYNC/HSYNC/DE high/low flags set by the panel/encoder
drivers get lost when the videotimings are translated to DRM's
videomode, as DRM's mode does not have corresponding flags.
DRM has bus-flags for this purpose, and while it lacks a few flags at
the moment, it should be used here. However, until we rewrite omapdrm's
device model, using bus-flags is rather difficult.
As a short term fix, this patch makes sure that every time the videomode
is set in omap_crtc_mode_set_nofb(), the driver asks for the SYNC/DE
flags from the panel/encoder drivers, and thus we get the correct flags
into use.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Wed, 23 Nov 2016 11:23:42 +0000 (13:23 +0200)]
drm/omap: dispc: improve debug print of display flags
Instead of printing 0/1 for display flags like vsync high/low, use a
tri-state print (-1/0/1) to indicate the "undefined" state.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Peter Ujfalusi [Fri, 9 Sep 2016 10:33:06 +0000 (13:33 +0300)]
drm/omap: displays: panel-dpi: Support for handling backlight devices
The associated backlight device can be configured via DT by providing the
phandle to the device.
If the backlight device is configured, the driver can manage the backligt
along with the panel's power state, iow it can turn on the backlight when
the panel is enabled and turn it off when the panel is disabled.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Peter Ujfalusi [Mon, 22 Aug 2016 12:54:30 +0000 (15:54 +0300)]
drm/omap: poll only connectors where the connect/disconnect can be checked
When the connector associated detect callback is not provided, we can not
detect if the display is connected or disconnected. These displays do not
support hot plug, they are always connected. Let DRM know that connectors
w/o detect callback should not be polled.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Peter Ujfalusi [Thu, 11 Aug 2016 07:20:23 +0000 (10:20 +0300)]
drm/omap: display: Add displays in sorted order to the panel_list
Keep the panel_list ordered according to aliases. The DRM connectors will
be created following the panel_list. By keeping the list ordered the DRM
connectors will be created in the same order regardless of the driver
probe order.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Peter Ujfalusi [Tue, 3 May 2016 19:08:01 +0000 (22:08 +0300)]
drm/omap: Use omapdss_stack_is_ready() to check that the display stack is up
Instead of 'guessing' based on aliases of the status of the DSS drivers,
use the new interface to check that all needed drivers are loaded.
In this way we can be sure that all needed drivers are loaded so it is
safe to continue the probing of omapdrm.
This method will allow the omapdrm to be probed 'headless', without
outputs.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Peter Ujfalusi [Tue, 3 May 2016 19:07:10 +0000 (22:07 +0300)]
drm/omap: dss: Support for detecting display stack readiness
When omapdss is loaded (all core components are in place) create a list of
devices used in the display graph. This list later can be used by omapdrm
via the omapdss_stack_is_ready() function to check that these components
are loaded. Based on this information, omapdrm can defer probe in case when
the omapdss stack is not ready yet.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Peter Ujfalusi [Mon, 2 May 2016 11:55:38 +0000 (14:55 +0300)]
drm/omap: dss: Functions to check components in the display/output list
The functions can be used to check a component (by it's of_node) if it is
part of the omapdss display or output list. If the component is found, it
means that the driver is loaded.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Mon, 29 Aug 2016 10:15:02 +0000 (13:15 +0300)]
drm/omap: fix replication logic
DSS uses "replication logic" to convert color components from smaller
bit widths to bigger bit widths. Without replication logic, the color
component would be shifted and the least significant bits would be left
at 0, whereas with replication logic, the least significat bits will be
filled with the most significant bit.
For some reason omapdrm leaves replication logic always to off, which,
in the most common case, means that showing 16-bit RGB colors on 24-bit
display gives a bit darker colors than expected.
The reset value of the replication logic bit is enabled, and it should
always be set, as there's no practical reason to disable it. This patch
removes the option to disable it from omapdrm, and always sets it to
enabled in dispc.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tomi Valkeinen [Tue, 10 Nov 2015 23:59:49 +0000 (17:59 -0600)]
drm/omap: remove unused dispc_wb_enable & dispc_wb_is_enabled
Remove two unused WB functions.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tomi Valkeinen [Thu, 5 Nov 2015 18:06:06 +0000 (20:06 +0200)]
drm/omap: remove all EXPORT_SYMBOLs from dispc.c
omapdrm now uses dispc_ops instead of direct function calls so we can
remove all EXPORT_SYMBOLs from dispc. Most of the functions can also be
made static, but a few are used outside dispc.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Thu, 5 Nov 2015 16:39:52 +0000 (18:39 +0200)]
drm/omap: use dispc_ops
Change omapdrm to get dispc_ops and use that to call the dispc functions
instead or direct function calls.
The change is very straightforward.
The only problem was in omap_crtc_init() which calls pipe2vbl(crtc), and
at that point of time the crtc->dev link, which is used to get the
dispc_ops, has not been set up yet. This patch makes omap_crtc_init()
skip the call to pipe2vbl() and instead calls
dispc_ops->mgr_get_vsync_irq() directly.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Thu, 5 Nov 2015 17:44:38 +0000 (19:44 +0200)]
drm/omap: fill dispc_ops
This patch changes the current omapdss driver to fill a dispc_ops struct
and set it to omapdss-base.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Thu, 5 Nov 2015 17:36:02 +0000 (19:36 +0200)]
drm/omap: add dispc_ops
We want to change the dispc API from plain functions to a struct with
functions pointers, so that omapdrm can call either omapdss or omapdss6
depending on the platform.
This patch adds 'struct dispc_ops' and adds functions to omapdss-base
to set and get the ops.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Thu, 5 Nov 2015 17:54:33 +0000 (19:54 +0200)]
drm/omap: move dispc related dss-feat funcs to dispc
omapdrm still uses a few non-dispc functions: dss_feat_get_num_mgrs(),
dss_feat_get_num_ovls() and dss_feat_get_supported_color_modes(). We
want to provide omapdrm a single dispc_ops function pointer struct so
that omapdrm will use either the current omapdss or the new omapdss6
driver depending on the platform.
Those three functions are really dispc functions, but are located in the
dss_features.c for legacy reasons.
This patch adds similar functionss to the dispc, and changes omapdrm to
use those new functions. Underneath the functions still call the
functions from dss_feature.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Thu, 5 Nov 2015 15:26:18 +0000 (17:26 +0200)]
drm/omap: move display, dss-of, output to omapdss-base
This patch moves the common parts of omapdss to omapdss-base so that
both the current omapdss driver and the new omapdss6 driver can use
them.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Tue, 10 Nov 2015 13:50:53 +0000 (15:50 +0200)]
drm/omap: display: don't use dsi_get_pixel_size()
display.c uses dsi_get_pixel_size() which is implemented in the DSI
driver, and we won't have that in the omapdss-base module, to which we
want to move display.c
This patch changes display.c not to use dsi_get_pixel_size(). The call
can be replaced with a simple check for OMAP_DSS_DSI_FMT_RGB565.
We can also make dsi_get_pixel_size() static as it's no longer used
outside dsi.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Fri, 6 Nov 2015 13:26:39 +0000 (15:26 +0200)]
drm/omap: output: use dev_err instead of DSSERR
We don't have omapdss's custom error printing functions in the common
omapdss-base module, to which we want to move output.c.
This patch changes output.c to use dev_err instead of DSSERR so that it
doesn't depend on DSSERR.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tomi Valkeinen [Thu, 5 Nov 2015 15:23:14 +0000 (17:23 +0200)]
drm/omap: move dss_initialized to omapdss-base
omapdss_is_initialized() is used to find out if omapdss has been probed
successfully. This patch moves the related code to the common
omapdss-base module, so that the same support will be there for both
omapdss and omapdss6.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Thu, 5 Nov 2015 15:19:32 +0000 (17:19 +0200)]
drm/omap: add omapdss-base.ko
We are working towards enabling omapdss6, which will consists of a new
dss, dispc and dpi drivers. omapdss6 will be a new module. The panel,
encoder and omapdrm will need to use either the current omapdss driver
or the new omapdss6 driver, depending on the platform.
This will be implemented with a common base module and function
pointers.
This patch adds a skeleton omapdss-base.ko module, to which we'll be
moving common dss functionality like registration of the panels.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Fri, 27 May 2016 10:49:05 +0000 (13:49 +0300)]
drm/omap: fix HDMI sync polarities
While implementing writeback support, odd behavior of WBDELAYCOUNT was
observed with the combination of WB capture and HDMI. The result of the
debugging was that the HDMI sync polarities are not set correctly.
The current code sets the sync polarities going from HDMI WP to DISPC
according to the video mode used, which seems to work normally fine, but
causes problems with WB as WB expects the syncs to be active-high.
This patch changes the HDMI sync polarities so that the DISPC always
gets active-high syncs from HDMI WP, and the HDMI core gets sync
polarities according to the used video mode.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Hemant Hariyani [Tue, 7 Jun 2016 18:23:19 +0000 (13:23 -0500)]
drm/omap: Add support for render nodes
Add support for render nodes in omap driver and allow required
ioctls to be accessible via render nodes.
This enables unprivileged clients to allocate resources like GEM buffers
for rendering their content into. Mode setting (KMS ioctls) is not
allowed using render nodes. These buffers are then shared with
a previleged process (e.g compositor) that has mode setting access.
An example of this use case is Android where the hardware composer is
the only master and has mode setting access. Every other client then
uses render node(e.g /dev/dri/renderD128 to allocate and use its buffers.
Signed-off-by: Hemant Hariyani <hemanthariyani@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Wed, 10 Aug 2016 08:04:29 +0000 (11:04 +0300)]
drm/omap: improve DPI clock selection on DRA7xx
The clock source selection for the LCD outputs is too hardcoded at the
moment. For example, LCD3 is set to use PLL2_1, and PLL2 doesn't exist
on DRA72x SoCs.
There are quite many ways to configure the clocks, even using HDMI PLL
for LCD outputs, but enabling full configuration of the clocks is rather
tricky.
This patch improves the situation a bit by checking if the PLL about to
be used exists, and if not, tries another one.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Tue, 23 Aug 2016 09:35:39 +0000 (12:35 +0300)]
drm/omap: decrease min width & height
mode_config's min_width and min_height are both set to 32, which is
overly restrictive.
The real limits depend on whether we're configuring a crtc or a plane,
but a limit of 8x2 is safe for both cases.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tomi Valkeinen [Mon, 8 Aug 2016 10:40:35 +0000 (13:40 +0300)]
drm/omap: remove divider constraint from hsdiv
The driver only uses even dividers for hsdiv when pclk >= 100MHz, as odd
dividers can create uneven duty cycle. However, while this holds true
for some dividers like DISPC's LCK and PCK dividers, it is not actually
true for hsdiv.
hsdiv always produces even duty cycle, so the constraint can be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tomi Valkeinen [Mon, 10 Aug 2015 09:08:50 +0000 (12:08 +0300)]
drm/omap: refactor CRTC HW property setup
The current driver doesn't expose any of the CRTC HW properties like
background color or transparency key, and sets them at CRTC enable time.
Refactor this into a separate function and call that function from
omap_crtc_atomic_flush(). This is the behavior we want when the
properties can be configured, so this patch makes it easier to add
patches later which implement those properties.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tomi Valkeinen [Tue, 5 Jan 2016 09:43:13 +0000 (11:43 +0200)]
drm/omap: work-around for errata i886
DRA7 errata i886 (FPDLink PLL Unlocks With Certain SoC PLL M/N Values)
says that FPDLink is sensitive to jitter on the vout clock, and that low
PLL M and N values result in more jitter than high M and N values.
This patch implements a workaround for the problem by changing the PLL
setup to search for clocks starting from high M and N values, instead of
low values. This should not cause any functional change, and only
reduces the jitter.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Dave Airlie [Mon, 3 Apr 2017 06:30:24 +0000 (16:30 +1000)]
Merge tag 'drm-misc-next-2017-03-31' of git://anongit.freedesktop.org/git/drm-misc into drm-next
drm-misc for 4.12:
Core:
- Removed some fb subsampling dimension checks from core (Ville)
- Some MST slot cleanup (Dhinakaran)
- Extracted drm_debugfs.h & drm_ioctl.h from drmP.h (Daniel)
- Added drm_atomic_helper_shutdown() to compliment suspend/resume counterparts
(Daniel)
- Pipe context through legacy modeset to remove legacy_backoff nasties (Daniel)
- Cleanups around vblank as well as allowing lockless counter reads (Chris W.)
- VGA Switcheroo added to MAINTAINERS with Lukas Wunner as reviewer (Lukas)
Drivers:
- Enhancements to rockchip driver probe (Jeffy) and dsi (Chris Z.)
- Thunderbolt external GPU awareness added (Lukas)
* tag 'drm-misc-next-2017-03-31' of git://anongit.freedesktop.org/git/drm-misc: (63 commits)
apple-gmux: Don't switch external DP port on 2011+ MacBook Pros
drm/nouveau: Don't register Thunderbolt eGPU with vga_switcheroo
drm/amdgpu: Don't register Thunderbolt eGPU with vga_switcheroo
drm/radeon: Don't register Thunderbolt eGPU with vga_switcheroo
PCI: Recognize Thunderbolt devices
MAINTAINERS: Add Lukas Wunner as reviewer for vga_switcheroo
drm: Fix locking gotcha in page_flip ioctl
drm: Clarify the role of plane_state argument to drm_simple update().
drm: Clear e after kfree in drm_mode_page_flip_ioctl
drm: Convert cmpxchg(bool) back to a two step operation
drm/bridge: ti-tfp410: support hpd via gpio
drm: use .hword to represent 16-bit numbers
Revert unrelated part of "drm: simplify the locking in the GETCRTC ioctl"
drm: Fixup failure paths in drm_atomic_helper_set_config
drm: Peek at the current counter/timestamp for vblank queries
drm: Refactor vblank sequence number comparison
drm: vblank cannot be enabled if dev->irq_enabled is false
drm: Mark up accesses of vblank->enabled outside of its spinlock
drm: Make the decision to keep vblank irq enabled earlier
drm/atomic-helper: Remove the backoff hack from set_config
...
Peter Senna Tschudin [Thu, 30 Mar 2017 08:19:28 +0000 (10:19 +0200)]
drm/bridge: megachips-stdpxxxx-ge-b850v3-fw: Fix bridge initialization
Reordering of the device nodes based on unit address resulted in
ge_b850v3_lvds_attach() being called before
ge_b850v3_lvds_ptr->stdp4028_i2c was populated.
This patch moves the drm bridge initialization from
ge_b850v3_lvds_init() to stdp4028_ge_b850v3_fw_probe() ensuring that
ge_b850v3_lvds_ptr->stdp4028_i2c is properly populated.
Signed-off-by: Peter Senna Tschudin <peter.senna@collabora.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170330081928.8537-1-peter.senna@collabora.com
Linus Torvalds [Mon, 3 Apr 2017 00:23:54 +0000 (17:23 -0700)]
Linux 4.11-rc5
Linus Torvalds [Sun, 2 Apr 2017 23:29:34 +0000 (16:29 -0700)]
Merge tag 'dmaengine-fix-4.11-rc5' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"A couple of minor fixes for 4.11:
- array bound fix for __get_unmap_pool()
- cyclic period splitting for bcm2835"
* tag 'dmaengine-fix-4.11-rc5' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: Fix array index out of bounds warning in __get_unmap_pool()
dmaengine: bcm2835: Fix cyclic DMA period splitting
Linus Torvalds [Sun, 2 Apr 2017 16:27:02 +0000 (09:27 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"This update provides:
- prevent KASLR from randomizing EFI regions
- restrict the usage of -maccumulate-outgoing-args and document when
and why it is required.
- make the Global Physical Address calculation for UV4 systems work
correctly.
- address a copy->paste->forgot-edit problem in the MCE exception
table entries.
- assign a name to AMD MCA bank 3, so the sysfs file registration
works.
- add a missing include in the boot code"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Include missing header file
x86/mce/AMD: Give a name to MCA bank 3 when accessed with legacy MSRs
x86/build: Mostly disable '-maccumulate-outgoing-args'
x86/mm/KASLR: Exclude EFI region from KASLR VA space randomization
x86/mce: Fix copy/paste error in exception table entries
x86/platform/uv: Fix calculation of Global Physical Address
Linus Torvalds [Sun, 2 Apr 2017 16:25:10 +0000 (09:25 -0700)]
Merge branch 'sched-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
"This update provides:
- make the scheduler clock switch to unstable mode smooth so the
timestamps stay at microseconds granularity instead of switching to
tick granularity.
- unbreak perf test tsc by taking the new offset into account which
was added in order to proveide better sched clock continuity
- switching sched clock to unstable mode runs all clock related
computations which affect the sched clock output itself from a work
queue. In case of preemption sched clock uses half updated data and
provides wrong timestamps. Keep the math in the protected context
and delegate only the static key switch to workqueue context.
- remove a duplicate header include"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/headers: Remove duplicate #include <linux/sched/debug.h> line
sched/clock: Fix broken stable to unstable transfer
sched/clock, x86/perf: Fix "perf test tsc"
sched/clock: Fix clear_sched_clock_stable() preempt wobbly
Linus Torvalds [Sun, 2 Apr 2017 16:23:31 +0000 (09:23 -0700)]
Merge branch 'efi-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull EFI fix from Thomas Gleixner:
"Downgrade the missing ESRT header printk to warning level and remove a
useless error printk which just generates noise for no value"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/esrt: Cleanup bad memory map log messages
Linus Torvalds [Sun, 2 Apr 2017 16:22:03 +0000 (09:22 -0700)]
Merge branch 'timers-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"Two small fixes for the new CLKEVT_OF infrastructure"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
vmlinux.lds: Add __clkevt_of_table to kernel
clockevents: Fix syntax error in clkevt-of macro
Linus Torvalds [Sun, 2 Apr 2017 16:20:34 +0000 (09:20 -0700)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Two small fixlets:
- select a required Kconfig to make the MVEBU driver compile
- add the missing MIPS local GIC interrupts which prevent drivers to
probe successfully"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/mips-gic: Fix Local compare interrupt
irqchip/mvebu-odmi: Select GENERIC_MSI_IRQ_DOMAIN
Linus Torvalds [Sun, 2 Apr 2017 16:18:59 +0000 (09:18 -0700)]
Merge branch 'core-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull core fix from Thomas Gleixner:
"Prevent leaking kernel memory via /proc/$pid/syscall when the queried
task is not in a syscall"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lib/syscall: Clear return values when no stack
Dave Airlie [Sun, 2 Apr 2017 06:10:55 +0000 (16:10 +1000)]
Merge branch 'drm-vmwgfx-next' of git://people.freedesktop.org/~syeh/repos_linux into drm-next
This series enables atomic mode set for vmwgfx. A number of features and
larger fixes are also included.
* 'drm-vmwgfx-next' of git://people.freedesktop.org/~syeh/repos_linux: (22 commits)
drm/vmwgfx: Properly check display/scanout surface size
drm/vmwgfx: Support topology greater than texture size
drm/vmwgfx: Define an overlaid handle_close ioctl.
drm/vmwgfx: Re-implement the stream resource as a simple resource.
drm/vmwgfx: Introduce a simple resource type
drm/vmwgfx: Revert "drm/vmwgfx: Replace numeric parameter like 0444 with macro"
drm/vmwgfx: Fix LDU X blank screen until mode change issue
drm/vmwgfx: Skipping fbdev fb pinning for ldu
drm/vmwgfx: Explicityly track screen target width and height
drm/vmwgfx: Turn on DRIVER_ATOMIC flag
drm/vmwgfx: Switch over to internal atomic API for SOU and LDU
drm/vmwgfx: Switch over to internal atomic API for STDU
drm/vmwgfx: Fixes to vmwgfx_fb
drm/vmwgfx: Add and connect atomic state object check/commit
drm/vmwgfx: Add and connect connector helper function
drm/vmwgfx: Add and connect plane helper functions
drm/vmwgfx: Add and connect CRTC helper functions
drm/vmwgfx: Connector atomic state
drm/vmwgfx: Plane atomic state
drm/vmwgfx: CRTC atomic state
...
Linus Torvalds [Sun, 2 Apr 2017 03:11:35 +0000 (20:11 -0700)]
Merge branch 'parisc-4.11-3' of git://git./linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"Al Viro reported that - in case of read faults - our copy_from_user()
implementation may claim to have copied more bytes than it actually
did. In order to fix this bug and because of the way how gcc optimizes
register usage for inline assembly in C code, we had to replace our
pa_memcpy() function with a pure assembler implementation.
While fixing the memcpy bug we noticed some other issues with our
get_user() and put_user() functions, e.g. nested faults may return
wrong data. This is now fixed by a common fixup handler for
get_user/put_user in the exception handler which additionally makes
generated code smaller and faster.
The third patch is a trivial one-line fix for a patch which went in
during 4.11-rc and which avoids stalled CPU warnings after power
shutdown (for parisc machines which can't plug power off themselves).
Due to the rewrite of pa_memcpy() into assembly this patch got bigger
than what I wanted to have sent at this stage.
Those patches have been running in production during the last few days
on our debian build servers without any further issues"
* 'parisc-4.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Avoid stalled CPU warnings after system shutdown
parisc: Clean up fixup routines for get_user()/put_user()
parisc: Fix access fault handling in pa_memcpy()
Linus Torvalds [Sun, 2 Apr 2017 03:07:31 +0000 (20:07 -0700)]
Merge tag 'scsi-fixes' of git://git./linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Thirteen small fixes: The hopefully final effort to get the lpfc nvme
kconfig problems sorted, there's one important sg fix (user can induce
read after end of buffer) and one minor enhancement (adding an extra
PCI ID to qedi). The rest are a set of minor fixes, which mostly occur
as user visible in error legs or on specific devices"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: remove the duplicated checking for supporting clkscaling
scsi: lpfc: fix building without debugfs support
scsi: lpfc: Fix PT2PT PRLI reject
scsi: hpsa: fix volume offline state
scsi: libsas: fix ata xfer length
scsi: scsi_dh_alua: Warn if the first argument of alua_rtpg_queue() is NULL
scsi: scsi_dh_alua: Ensure that alua_activate() calls the completion function
scsi: scsi_dh_alua: Check scsi_device_get() return value
scsi: sg: check length passed to SG_NEXT_CMD_LEN
scsi: ufshcd-platform: remove the useless cast in ERR_PTR/IS_ERR
scsi: qedi: Add PCI device-ID for QL41xxx adapters.
scsi: aacraid: Fix potential null access
scsi: qla2xxx: Fix crash in qla2xxx_eh_abort on bad ptr
Linus Torvalds [Sun, 2 Apr 2017 02:45:05 +0000 (19:45 -0700)]
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"11 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kasan: do not sanitize kexec purgatory
drivers/rapidio/devices/tsi721.c: make module parameter variable name unique
mm/hugetlb.c: don't call region_abort if region_chg fails
kasan: report only the first error by default
hugetlbfs: initialize shared policy as part of inode allocation
mm: fix section name for .data..ro_after_init
mm, hugetlb: use pte_present() instead of pmd_present() in follow_huge_pmd()
mm: workingset: fix premature shadow node shrinking with cgroups
mm: rmap: fix huge file mmap accounting in the memcg stats
mm: move mm_percpu_wq initialization earlier
mm: migrate: fix remove_migration_pte() for ksm pages
Linus Torvalds [Sat, 1 Apr 2017 18:50:25 +0000 (11:50 -0700)]
Merge tag 'usb-4.11-rc5' of git://git./linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 4.11-rc5.
The usual xhci fixes are here, as well as a fix for yet-another-bug-
found-by-KASAN, those developers are doing great stuff here.
And there's a phy build warning fix that showed up in 4.11-rc1.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: phy: isp1301: Fix build warning when CONFIG_OF is disabled
xhci: Manually give back cancelled URB if we can't queue it for cancel
xhci: Set URB actual length for stopped control transfers
xhci: plat: Register shutdown for xhci_plat
USB: fix linked-list corruption in rh_call_control()
Linus Torvalds [Sat, 1 Apr 2017 18:47:36 +0000 (11:47 -0700)]
Merge tag 'tty-4.11-rc5' of git://git./linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small fixes for some serial drivers and Kconfig help
text for 4.11-rc5. Nothing major here at all, a few things resolving
reported bugs in some random serial drivers.
I don't think these made the last linux-next due to me getting to them
yesterday, but I am not sure, they might have snuck in. The patches
only affect drivers that the maintainers of sent me these patches for,
so we should be safe here :)"
* tag 'tty-4.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: pl011: fix earlycon work-around for QDF2400 erratum 44
serial: 8250_EXAR: fix duplicate Kconfig text and add missing help text
tty/serial: atmel: fix TX path in atmel_console_write()
tty/serial: atmel: fix race condition (TX+DMA)
serial: mxs-auart: Fix baudrate calculation
Linus Torvalds [Sat, 1 Apr 2017 18:22:05 +0000 (11:22 -0700)]
Merge tag 'acpi-4.11-rc5' of git://git./linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix two issues related to IOAPIC hotplug, an overzealous build
optimization that prevents the function graph tracer from working with
the ACPI subsystem correctly and an RCU synchronization issue in the
ACPI APEI code.
Specifics:
- drop the unconditional setting of the '-Os' gcc flag from the ACPI
Makefile to make the function graph tracer work correctly with the
ACPI subsystem (Josh Poimboeuf).
- add missing synchronize_rcu() to ghes_remove() which removes an
element from an RCU-protected list, but fails to synchronize it
properly afterward (James Morse).
- fix two problems related to IOAPIC hotplug, a local variable
initialization in setup_res() and the creation of platform device
objects for IO(x)APICs which are (a) unused and (b) leaked on
hot-removal (Joerg Roedel)"
* tag 'acpi-4.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: Fix incompatibility with mcount-based function graph tracing
ACPI / APEI: Add missing synchronize_rcu() on NOTIFY_SCI removal
ACPI: Do not create a platform_device for IOAPIC/IOxAPIC
ACPI: ioapic: Clear on-stack resource before using it