Jani Nikula says:
Jon, this is v2 of [1] and [2], with a considerable amount of polish and
fixes added. We started dogfooding this within drm-intel, and Daniel has
reviewed the lot and contributed a number of fixes, most notably
accurate file and line number references from Sphinx build
errors/warnings to the kernel-doc comments in source code.
We believe this is now in good shape for merging for v4.8. It's all in
my sphinx-for-docs-next branch that you've already looked at; pull
details below.
When this lands in docs-next and we can backmerge to drm, we'll plunge
ahead and convert gpu.tmpl to rst, and have that ready for v4.8. We
think it's best to contribute that via the drm tree, as it'll involve
splitting up the documentation and likely numerous updates to kernel-doc
comments.
I plan to update Documentation/kernel-doc-nano-HOWTO.txt for Sphinx and
rst, obviously converting it to rst while at it.
atomic_flush seems to be the right place, but I'm not entirely sure
whether this will catch them all. It could be that when disabling the
crtc we'll miss the vblank.
While at it nuke the dummy functions.
v2: Be more robust and either arm, when the CRTC is on, or just send
the event out right away.
Cc: Xinliang Liu <xinliang.liu@linaro.org>
Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Cc: Archit Taneja <architt@codeaurora.org>
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/1465388359-8070-5-git-send-email-daniel.vetter@ffwll.ch
No idea how exactly fsl-du commits hw state changes, but here in flush
is probably the safest place.
While at it nuke the dummy functions.
v2: Be more robust and either arm, when the CRTC is on, or just send
the event out right away.
Cc: Stefan Agner <stefan@agner.ch>
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/1465388359-8070-4-git-send-email-daniel.vetter@ffwll.ch
This is just used for cleanup in preclose, and with the reworked event
handling code this is now done properly by the core.
Nuke it!
But it also shows that arc totally fails at sending out drm events for
flips. Next patch will hack that up.
v2: Rebase it!
Cc: Carlos Palminha <palminha@synopsys.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: linux-snps-arc@lists.infradead.org
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/1465388359-8070-2-git-send-email-daniel.vetter@ffwll.ch
Drivers transitioning to atomic might not yet want to enable full
DRIVER_ATOMIC support when it's not entirely working. But using atomic
internally makes a lot more sense earlier.
Instead of spreading such flags to more places I figured it's simpler
to just check for mode_config->funcs->atomic_commit, and use atomic
paths if that is set. For the only driver currently transitioning
(i915) this does the right thing.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-23-git-send-email-daniel.vetter@ffwll.ch
All outputs have a 1:1 relationship between connectors and encoders
and the driver is relying on the atomic helpers: we can drop the custom
->best_encoder() implementations and let the core call
drm_atomic_helper_best_encoder() for us.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465300095-16971-12-git-send-email-boris.brezillon@free-electrons.com
For all outputs except DSI we have a 1:1 relationship between connectors
and encoders and the driver is relying on the atomic helpers: we can
drop the custom ->best_encoder() and let the core call
drm_atomic_helper_best_encoder() for us.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465300095-16971-9-git-send-email-boris.brezillon@free-electrons.com
We have a 1:1 relationship between connectors and encoders and the
driver is relying on the atomic helpers: we can drop the custom
->best_encoder() implementation and let the core call
drm_atomic_helper_best_encoder() for us.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465300095-16971-8-git-send-email-boris.brezillon@free-electrons.com
The PM core introduced the ability to keep devices runtime suspended
during the entire system suspend/resume process with commit aae4518b31
("PM / sleep: Mechanism to avoid resuming runtime-suspended devices
unnecessarily"). Before this so-called "direct-complete" procedure was
introduced, devices were always runtime resumed only to be immediately
put to sleep again using their ->suspend hook. Direct-complete is
enabled by returning a positive value from the ->prepare hook. The PCI
core usually does this automatically.
Direct-complete is only available for a device if all children use it as
well. Currently we cannot support direct-complete for DRM drivers
because the DRM core automatically registers multiple DRM minors which
belong to device class drm_class, and drm_class uses a struct dev_pm_ops
which lacks the ->prepare callback.
While this could be solved by adding the missing ->prepare callback,
closer inspection shows that there are no DRM drivers left which declare
the legacy ->suspend and ->resume callbacks in their drm_driver struct.
The last ones to remove them were i915 with commit 1751fcf9f9
("drm/i915: Fix module initialisation, v2.") and exynos with commit
e7fefb1d5a ("drm/exynos: remove legacy ->suspend()/resume()").
Consequently the struct dev_pm_ops of drm_class is now dead code. Remove
it. If no dev_pm_ops is declared for a device, the PM core automatically
enables direct-complete for it, thereby making that mechanism available
to the parent DRM PCI devices.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/da848fcd5ca72a35d9a722e644719977a47bb7ba.1465382836.git.lukas@wunner.de
* Update MAINTAINERS file for omapdrm and tilcdc
* PLL refactoring to allow versatile use of the PLL clocks
* Public omapdss header refactoring to separate omapfb and omapdrm
* Gamma table support
* Support reset GPIO and vcc regulator in omapdrm's panel-dpi
* Minor cleanups
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Merge tag 'omapdrm-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next
omapdrm changes for 4.8
* Update MAINTAINERS file for omapdrm and tilcdc
* PLL refactoring to allow versatile use of the PLL clocks
* Public omapdss header refactoring to separate omapfb and omapdrm
* Gamma table support
* Support reset GPIO and vcc regulator in omapdrm's panel-dpi
* Minor cleanups
* tag 'omapdrm-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (69 commits)
drm/omapdrm: Implement gamma_lut atomic crtc properties
drm/omapdrm: Workaround for errata i734 (LCD1 Gamma) in DSS dispc
drm/omapdrm: Add gamma table support to DSS dispc
drm: drm_helper_crtc_enable_color_mgmt() => drm_crtc_enable_color_mgmt()
drm/omap: rename panel/encoder Kconfig names
drm: omapdrm: add DSI mapping
drm: omapdrm: Remove unused omap_framebuffer_bo function
drm: omapdrm: Remove unused omap_gem_tiled_size function
drm: omapdrm: panel-lgphilips-lb035q02: Remove unused backlight GPIO
drm/omap: panel-dpi: implement support for a vcc regulator
drm/omap: panel-dpi: make (limited) use of a reset gpio
devicetree/bindings: add reset-gpios and vcc-supply for panel-dpi
MAINTAINERS: Add maintainer for TI LCDC DRM driver
MAINTAINERS: Add maintainer for OMAP DRM driver
drm/omap: fix pitch round-up
drm/omap: remove align_pitch()
drm/omap: remove unnecessary pitch round-up
drm/omap: remove unneeded gpio includes
drm/omap: Remove the video/omapdss.h and move it's content to local header file
[media] omap_vout: Switch to use the video/omapfb_dss.h header file
...
Virtio-gpu updates
* 'virtio-gpu-for-airlied' of git://git.kraxel.org/linux:
virtio-gpu: use src not crtc
virtio-gpu: pick up hotspot from framebuffer
add cursor hotspot to drm_framebuffer
virtio-gpu: switch to atomic cursor interfaces
virtio-gpu: add atomic_commit function
virtio-gpu: fix output lookup
- some polish for the guc code (Dave Gordon)
- big refactoring of gen9 display clock handling code (Ville)
- refactoring work in the context code (Chris Wilson)
- give encoder/crtc/planes useful names for debug output (Ville)
- improvements to skl/kbl wm computation code (Mahesh Kumar)
- bunch of smaller improvements all over as usual
* tag 'drm-intel-next-2016-06-06' of git://anongit.freedesktop.org/drm-intel: (64 commits)
drm/i915: Update DRIVER_DATE to 20160606
drm/i915: Extract physical display dimensions from VBT
drm/i915: Silence "unexpected child device config size" for VBT on 845g
drm/i915/skl+: Use scaling amount for plane data rate calculation (v4)
drm/i915/skl+: calculate plane pixel rate (v4)
drm/i915/skl+: calculate ddb minimum allocation (v6)
drm/i915: Don't try to calculate relative data rates during hw readout
drm/i915: Only ignore eDP ports that are connected
drm/i915: Update GEN6_PMINTRMSK setup with GuC enabled
drm/i915: kill STANDARD/CURSOR plane screams
drm/i915: Give encoders useful names
drm/i915: Give meaningful names to all the planes
drm/i915: Don't leak primary/cursor planes on crtc init failure
drm/i915: Set crtc->name to "pipe A", "pipe B", etc.
drm/i915: Use plane->name in debug prints
drm/i915: Use crtc->name in debug messages
drm/i915: Reject modeset if the dotclock is too high
drm/i915: Fix NULL pointer deference when out of PLLs in IVB
drm/i915/ilk: Don't disable SSC source if it's in use
drm/i915/bxt: Sanitize CDCLK to fix breakage during S4 resume
...
As promised, piles of prep work all around:
- drm_atomic_state rework, prep for nonblocking commit helpers
- fence patches from Gustavo and Christian to prep for atomic fences and
some cool work in ttm/amdgpu from Christian
- drm event prep for both nonblocking commit and atomic fences
- Gustavo seems on a crusade against the non-kms-native version of the
vblank functions.
- prep work from Boris to nuke all the silly ->best_encoder
implementations we have (we really only need that for truly dynamic
cases like dvi-i vs dvi-d or dp mst selecting the right transcoder on
intel)
- prep work from Laurent to rework the format handling functions
- and few small things all over
* tag 'topic/drm-misc-2016-06-07' of git://anongit.freedesktop.org/drm-intel: (47 commits)
drm/dsi: Implement set tear scanline
drm/fb_cma_helper: Implement fb_mmap callback
drm/qxl: Remove useless drm_fb_get_bpp_depth() call
drm/ast: Remove useless drm_fb_get_bpp_depth() call
drm/atomic: Fix remaining places where !funcs->best_encoder is valid
drm/core: Change declaration for gamma_set.
Documentation: add fence-array to kernel DocBook
drm/shmobile: use drm_crtc_vblank_{get,put}()
drm/radeon: use drm_crtc_vblank_{get,put}()
drm/qxl: use drm_crtc_vblank_{get,put}()
drm/atmel: use drm_crtc_vblank_{get,put}()
drm/armada: use drm_crtc_vblank_{get,put}()
drm/amdgpu: use drm_crtc_vblank_{get,put}()
drm/virtio: use drm_crtc_send_vblank_event()
drm/udl: use drm_crtc_send_vblank_event()
drm/qxl: use drm_crtc_send_vblank_event()
drm/atmel: use drm_crtc_send_vblank_event()
drm/armada: use drm_crtc_send_vblank_event()
drm/doc: Switch to sphinx/rst fixed-width quoting
drm/doc: Drop kerneldoc for static functions in drm_irq.c
...
lockless gem bo freeing patches (and the oddball related patch) for all
the drivers who's maintainers are asleep at the helm - includes you ;-)
I based this on top of drm-fixes to include Chris' fix for the cma issue.
* tag 'topic/lockless-gem-bo-freeing-2016-06-01' of git://anongit.freedesktop.org/drm-intel: (21 commits)
drm/arcpgu: Use lockless gem BO free callback
drm/sun4i: Use lockless gem BO free callback
drm/omapdrm: Nuke dummy fb->dirty callback
drm/msm: Nuke dummy fb->dirty callback
drm/rockchip: Use cma gem vm ops
drm/sti: Use lockless gem BO free callback
drm: sti: remove useless call to dev->struct_mutex
drm/virtio: Use lockless gem BO free callback
drm/tilcdc: Use lockless gem BO free callback
drm/shmob: Use lockless gem BO free callback
drm/rockchip: Use lockless gem BO free callback
drm/rcar-du: Use lockless gem BO free callback
drm/qxl: Use lockless gem BO free callback
drm/nouveau: Use lockless gem BO free callback
drm/mga200g: Use lockless gem BO free callback
drm/fls-dcu: Use lockless gem BO free callback
drm/cirrus: Use lockless gem BO free callback
drm/bochs: Use lockless gem BO free callback
drm/atmel: Use lockless gem BO free callback
drm/ast: Use lockless gem BO free callback
...
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Backmerge tag 'v4.7-rc2' into drm-next
Daniel has a pull request that relies on stuff in fixes that are in rc2.
Provide a small convenience wrapper that transmits
a set_tear_scanline command.
v2:
* helper function suggested by Thierry
for set_tear_scanline
* Also includes small build fixes from Sumit Semwal.
v3: one scanline parameter suggested by jani
v4: passing the payload properly as suggested by jani
Cc: Archit Taneja <archit.taneja@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Vinay Simha BN <simhavcs@gmail.com>
Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465285532-12676-1-git-send-email-simhavcs@gmail.com
In the absence of an fb_mmap callback, the fbdev code falls back to a
naive implementation which relies upon the DMA address being the same
as the physical address, and the buffer being physically contiguous
from there. Whilst this often holds for standard CMA allocations via
the platform's regular DMA ops, if the allocation is provided by an
IOMMU then such assumptions can fall apart spectacularly.
To resolve this, reroute the fb_mmap call to the appropriate DMA API
implementation, as per the other cma_helper calls.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/8fd95ac1440e0f01daad6d4380be3a4c8fa61055.1465301219.git.robin.murphy@arm.com
Adapt drm_pick_crtcs() and update_connector_routing() to fallback to
drm_atomic_helper_best_encoder() if funcs->best_encoder() is NULL so
that DRM drivers can leave this hook unassigned if they know they want
to use drm_atomic_helper_best_encoder().
Update the vtables documentation accordingly.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465300095-16971-2-git-send-email-boris.brezillon@free-electrons.com
Implement gamma_lut atomic crtc properties, set crtc gamma size to 256
for all crtcs and use drm_atomic_helper_legacy_gamma_set() as
gamma_set func. The tv-out crtc has 1024 element gamma table (with
10bit precision) in HW, but current Xorg server does not accept
anything else but 256 elements so that is used for all CRTCs. The dss
dispc API converts table of any length for HW and uses linear
interpolation in the process. The default gamma table is restored
if gamma_lut property is deleted.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Workaround for errata i734 in DSS dispc
- LCD1 Gamma Correction Is Not Working When GFX Pipe Is Disabled
For gamma tables to work on LCD1 the GFX plane has to be used at least
once after DSS HW has come out of reset. The workaround sets up a
minimal LCD setup with GFX plane and waits for one vertical sync irq
before disabling the setup and continuing with the context
restore. The physical outputs are gated during the operation.
For details see:
OMAP543x Multimedia Device Silicon Revision 2.0 Silicon Errata
Literature Number: SWPZ037E
Or some other relevant errata document for the DSS IP version.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add gamma table support to DSS dispc.
DSS driver initializes the default gamma table at component bind time
and holds a copy of all gamma tables in its internal data structure.
Each call to dispc_mgr_set_gamma() updates the internal table and
triggers write to the HW, if it is enabled. The tables are restored to
HW in PM resume callback. The drivers internal data structure match
the HW tables in size and in number of significant bits per color
component. The dispc_mgr_set_gamma() converts the size of any given
table for the internal data structure using linear interpolation.
Default gamma table is restored if NULL is given in place of gamma
lut.
dispc_mgr_gamma_size() gives HW gamma table size for the channel and
returns 0 if gamma table is not supported by the HW or the DSS driver.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add drm_crtc_enable_color_mgmt(), remove drm_helper_crtc_enable_color_mgmt()
and update drm/i915-driver (the only user of the old function).
The new function is more flexible. It allows driver to enable only the
features it has without forcing to enable all three color management
properties: degamma lut, csc matrix (ctm), and gamma lut.
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Change return value to int to propagate errors from gamma_set,
and remove start parameter. Updates always use the full size,
and some drivers even ignore the start parameter altogether.
This is needed for atomic drivers, where an atomic commit can
fail with -EINTR or -ENOMEM and should be restarted. This is already
and issue for drm_atomic_helper_legacy_set_gamma, which this patch
fixes up.
Changes since v1:
- Fix compiler warning. (Emil)
- Fix commit message (Daniel)
Cc: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Mathieu Larouche <mathieu.larouche@matrox.com>
Cc: Thierry Reding <treding@nvidia.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
[danvet: Improve commit message a bit more, mention that this fixes
the helper.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/742944bc-9f41-1acb-df4f-0fd4c8a10168@linux.intel.com
Pick up the correct source rectangle from framebuffer.
Without this multihead setups are not working correctly.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Do modesets first, then call drm_atomic_helper_commit_planes with
active_only = true. That way the outputs doesn't get disabled
temporarly on atomic commits.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
omapdrm is using much too generic Kconfig names for its panels and
encoders. Rename them to have "DRM_OMAP" in the name.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This sets proper connector type for DSI connected panels.
Signed-off-By: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Jonathan Corbet