kbuild spotted this error, with drm/msm patches that add a new
modeset-lock in the driver and driver built as a module:
ERROR: "crtc_ww_class" [drivers/gpu/drm/msm/msm.ko] undefined!
Really the only reason for crtc_ww_class not being internal to
drm_modeset_lock.c is that drm_modeset_lock_init() was static-inline
(for no particularly good reason).
Fix that, and move crtc_ww_class into drm_modeset_lock.c.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1479163257-18703-1-git-send-email-robdclark@gmail.com
According to the latest revision of the datasheet, the LVDS I/O pins
must be enabled before starting the PLL. Fix it.
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
The VSL and HSL bits in the DSMR register set the corresponding
horizontal and vertical sync signal polarity to active high. The code
got it the wrong way around, fix it.
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
There is a bug in the setting of the DES (Display Enable Signal)
register. This current setting occurs 1 dot left shift. The DES
register should be set minus one value about the specifying value
with H/W specification. This patch corrects it.
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Dot clock routing is setup through different registers depending on the
DU generation. The code has been designed for Gen2 and hasn't been
updated since. This works thanks to good reset default value, but isn't
very safe. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Document the R8A7796-specific DT bindings and support them in the
driver. The HDMI output is currently not supported.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Add support for the R8A7792 DU; it has 2 DPAD (RGB) outputs.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
It isn't safe to call drm_dev_unregister() without first initializing
mode setting with drm_mode_config_init(). This leads to a crash if
either IO memory can't be remapped or vblank initialization fails.
Fix this by reordering the initialization sequence. Move vblank
initialization after the drm_mode_config_init() call, and move IO
remapping before drm_dev_alloc() to avoid the need to perform clean up
in case of failure.
While at it remove the explicit drm_vblank_cleanup() call from
rcar_du_remove() as the drm_dev_unregister() function already cleans up
vblank.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Add new drm_fb_cma_prepare_fb() helper function extracted from the
imx-drm driver. This function checks if the plane has DMABUF attached
to it, extracts the exclusive fence from it and attaches it to the
plane state for the atomic helper to wait on it.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114100732.3446-1-marex@denx.de
This refactoring leads to real functional changes in the driver.
Now the struct psbfb_ops implements two additional members:
.fb_setcmap = drm_fb_helper_setcmap,
.fb_pan_display = drm_fb_helper_pan_display,
and the struct psbfb_roll_ops implements one additional member:
.fb_setcmap = drm_fb_helper_setcmap,
and the struct psbfb_unaccel_ops implements two additional members:
.fb_setcmap = drm_fb_helper_setcmap,
.fb_pan_display = drm_fb_helper_pan_display,
These changes are not tested.
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Stefan Christ <contact@stefanchrist.eu>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1479078208-25221-19-git-send-email-contact@stefanchrist.eu
A drm driver that is implementing
fb_debug_enter and fb_debug_leave
in struct fb_ops with drm fb helper functions
drm_fb_helper_debug_enter and drm_fb_helper_debug_leave
must also implement the callback 'mode_set_base_atomic' in struct
drm_crtc_helper_funcs. See Documentation/DocBook/kgdb.tmpl. The current
implementation will segfault when 'mode_set_base_atomic' is a NULL
pointer.
Before this patch at least the drm drivers armada, ast, qxl, udl and
virtio do not have a 'mode_set_base_atomic' implementation but using
drm_fb_helper_debug_(enter|leave). So these drivers may segfault when
callbacks fb_debug_(enter|leave) are called.
Avoid the issue by just checking for NULL pointers. So all drivers can
unconditionally implement fb_debug_(enter|leave) with the drm_fb_helper
functions. If callback 'mode_set_base_atomic' is not implemented, the
code in drm_fb_helper_debug_(enter|leave) does effectively nothing.
Signed-off-by: Stefan Christ <contact@stefanchrist.eu>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1479078208-25221-2-git-send-email-contact@stefanchrist.eu
In the err_free_vram and err_release_fbi error paths in astfb_create(), we
attempt to free afbdev->sysram. The only jumps to these error paths occur
before we assign afbdev->sysram = sysram. Free sysram instead.
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114030359.27852-1-andrew.donnellan@au1.ibm.com
When an encoder fails to initialize the driver prints an error message
to the kernel log. The message contains the name of the encoder's DT
node, which is NULL for internal encoders. Use the of_node_full_name()
macro to avoid dereferencing a NULL pointer, print the output number to
add more context to the error, and make sure we still own a reference to
the encoder's DT node by delaying the of_node_put() call.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Memory allocation failures print messages to the kernel log, there's no
need to print an extra one. Remove the duplicate message.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
The driver has lost platform data support a long time ago. R-Car DU
devices can only be instantiated through DT now, making it impossible to
have a NULL DT node pointer. Remove the error check.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Capitalize acronyms and use determiners and punctuation.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
The node passed as a pointer to the rcar_du_lvds_connector_init()
function is never modified, make it const.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
The node pointer passed to the display timing functions is never
modified, make it const.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
These component_ops structures are only used as the second argument to
component_add and component_del, which are declared as const, so the
structures can be declared as const as well.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct component_ops i@p = { ... };
@ok1@
identifier r.i;
expression e1;
position p;
@@
component_add(e1,&i@p)
@ok2@
identifier r.i;
expression e1;
position p;
@@
component_del(e1, &i@p)
@bad@
position p != {r.p,ok1.p,ok2.p};
identifier r.i;
struct component_ops e;
@@
e@i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct component_ops i = { ... };
// </smpl>
The result of the size command before the change is (arm):
text data bss dec hex filename
5266 236 8 5510 1586 sun4i_backend.o
6393 236 8 6637 19ed sun4i_tcon.o
3700 368 8 4076 fec sun4i_tv.o
1668 108 0 1776 6f0 sun6i_drc.o
and after the change:
text data bss dec hex filename
5274 228 8 5510 1586 sun4i_backend.o
6401 228 8 6637 19ed sun4i_tcon.o
3708 360 8 4076 fec sun4i_tv.o
1676 100 0 1776 6f0 sun6i_drc.o
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1478971198-3659-1-git-send-email-Julia.Lawall@lip6.fr
The function's behaviour was changed in 90844f0004, without changing
its signature, causing people to keep using it the old way without
realising they were now leaking memory.
Rob Clark also noticed it was also allocating GFP_KERNEL memory in
atomic contexts, breaking them.
Instead of having to allocate GFP_ATOMIC memory and fixing the callers
to make them cleanup the memory afterwards, let's change the function's
signature by having the caller take care of the memory and passing it to
the function.
The new parameter is a single-field struct in order to enforce the size
of its buffer and help callers to correctly manage their memory.
Fixes: 90844f0004 ("drm: make drm_get_format_name thread-safe")
Cc: Rob Clark <robdclark@gmail.com>
Cc: Christian König <christian.koenig@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Sinclair Yeh <syeh@vmware.com> (vmwgfx)
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161112011309.9799-1-eric@engestrom.ch
This is the initial ZTE VOU display controller DRM/KMS driver. There
are still some features to be added, like overlay plane, scaling, and
more output devices support. But it's already useful with dual CRTCs
and HDMI display working.
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Merge tag 'zxdrm-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into drm-next
ZTE zxdrm driver support for 4.10:
This is the initial ZTE VOU display controller DRM/KMS driver. There
are still some features to be added, like overlay plane, scaling, and
more output devices support. But it's already useful with dual CRTCs
and HDMI display working.
[airlied: use drm_format_plane_cpp instead of legacy api]
* tag 'zxdrm-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
MAINTAINERS: add an entry for ZTE ZX DRM driver
drm: zte: add initial vou drm driver
dt-bindings: add bindings doc for ZTE VOU display controller
Here is the list of fixes that I have for drm/mali-dp. They've been on the mailing
lists for a while and merged into linux-next for a few weeks, but due to holiday and
travel to Linux Plumbers I did not send the pull request earlier. I don't know if
these patches can be pulled into v4.9 still (they will conflict with Ville Syrjälä's
cleanup of DRM_ROTATE series that is already in drm-next), but if you do that would
be great.
* 'for-upstream/mali-dp' of git://linux-arm.org/linux-ld:
drm: mali-dp: Clear CVAL when leaving config mode
drm/arm: mark symbols static where possible
drm: mali-dp: Add support for setting plane's rotation property from userspace.
drm: mali-dp: Don't set DRM_PLANE_COMMIT_ACTIVE_ONLY
drm: mali-dp: Store internal format and n_planes in plane state
drm: mali-dp: Enable alpha blending
drm: mali-dp: Refactor plane initialisation
arm: mali-dp: Extract mode_config cleanup into malidp_fini
drm: mali-dp: Add pitch alignment check for planes
drm: mali-dp: Add pitch alignment check function
drm: mali-dp: Set the drm->irq_enabled flag to match driver's state.
drm: mali-dp: Clear the config_valid flag before using it in wait_event.
- add support for the HDMI I2C master controller, for boards that
can have their DDC pins connected only to the HDMI TX directly.
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Merge tag 'dw-hdmi-next-2016-09-19' of git://git.pengutronix.de/git/pza/linux into drm-next
dw-hdmi i2c master controller
- add support for the HDMI I2C master controller, for boards that
can have their DDC pins connected only to the HDMI TX directly.
* tag 'dw-hdmi-next-2016-09-19' of git://git.pengutronix.de/git/pza/linux:
drm: bridge/dw_hdmi: add dw hdmi i2c bus adapter support
drm: dw_hdmi: use of_get_i2c_adapter_by_node interface
- request modeset if plane offsets changed, only the plane base
address can be changed without disabling the plane IDMAC channel.
- cleanup of plane atomic_update
- remove unused ipu_cpmem_set_yuv_planar function
- support YUV 4:4:4, 4:2:2, NV12 and NV16 plane formats
- not only mask interrupts during irq init, also clear them
- remove a legacy check from imx-ldb
- add support to set the CSI downsizing bits
- silence an obnoxious warning during modeset
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Merge tag 'imx-drm-next-2016-11-10' of git://git.pengutronix.de/git/pza/linux into drm-next
imx-drm plane update cleanup, YUV formats
- request modeset if plane offsets changed, only the plane base
address can be changed without disabling the plane IDMAC channel.
- cleanup of plane atomic_update
- remove unused ipu_cpmem_set_yuv_planar function
- support YUV 4:4:4, 4:2:2, NV12 and NV16 plane formats
- not only mask interrupts during irq init, also clear them
- remove a legacy check from imx-ldb
- add support to set the CSI downsizing bits
- silence an obnoxious warning during modeset
* tag 'imx-drm-next-2016-11-10' of git://git.pengutronix.de/git/pza/linux:
gpu: ipu-di: silence videomode logspam
gpu: ipu-v3: add ipu_csi_set_downsize
drm/imx: imx-ldb: remove unnecessary double disable check
gpu: ipu-v3: initially clear all interrupts
drm/imx: ipuv3-plane: add support for YUV 4:2:2 and 4:4:4, NV12, and NV16 formats
gpu: ipu-v3: add YUV 4:4:4 support
gpu: ipu-cpmem: remove unused ipu_cpmem_set_yuv_planar function
drm/imx: ipuv3-plane: let drm_plane_state_to_ubo/vbo handle chroma subsampling other than 4:2:0
drm/imx: ipuv3-plane: merge ipu_plane_atomic_set_base into atomic_update
drm/imx: ipuv3-plane: request modeset if plane offsets changed
- better atomic state debugging from Rob
- fence prep from gustavo
- sumits flushed out his backlog of pending dma-buf/fence patches from
various people
- drm_mm leak debugging plus trying to appease Kconfig (Chris)
- a few misc things all over
* tag 'topic/drm-misc-2016-11-10' of git://anongit.freedesktop.org/drm-intel: (35 commits)
drm: Make DRM_DEBUG_MM depend on STACKTRACE_SUPPORT
drm/i915: Restrict DRM_DEBUG_MM automatic selection
drm: Restrict stackdepot usage to builtin drm.ko
drm/msm: module param to dump state on error irq
drm/msm/mdp5: add atomic_print_state support
drm/atomic: add debugfs file to dump out atomic state
drm/atomic: add new drm_debug bit to dump atomic state
drm: add helpers to go from plane state to drm_rect
drm: add helper for printing to log or seq_file
drm: helper macros to print composite types
reservation: revert "wait only with non-zero timeout specified (v3)" v2
drm/ttm: fix ttm_bo_wait
dma-buf/fence: revert "don't wait when specified timeout is zero" (v2)
dma-buf/fence: make timeout handling in fence_default_wait consistent (v2)
drm/amdgpu: add the interface of waiting multiple fences (v4)
dma-buf: return index of the first signaled fence (v2)
MAINTAINERS: update Sync File Framework files
dma-buf/sw_sync: put fence reference from the fence creation
dma-buf/sw_sync: mark sync_timeline_create() static
drm: Add stackdepot include for DRM_DEBUG_MM
...
- gpu idling rework for s/r (Imre)
- vlv mappable scanout fix
- speed up probing in resume (Lyude)
- dp audio workarounds for gen9 (Dhinakaran)
- more conversion to using dev_priv internally (Ville)
- more gen9+ wm fixes and cleanups (Maarten)
- shrinker cleanup&fixes (Chris)
- reorg plane init code (Ville)
- implement support for multiple timelines (prep work for scheduler)
from Chris and all
- untangle dev->struct_mutex locking as prep for multiple timelines
(Chris)
- refactor bxt phy code and collect it all in intel_dpio_phy.c (Ander)
- another gvt with bugfixes all over from Zhenyu
- piles of lspcon fixes from Imre
- 90/270 rotation fixes (Ville)
- guc log buffer support (Akash+Sagar)
- fbc fixes from Paulo
- untangle rpm vs. tiling-fences/mmaps (Chris)
- fix atomic commit to wait on the right fences (Daniel Stone)
* tag 'drm-intel-next-2016-11-08' of git://anongit.freedesktop.org/git/drm-intel: (181 commits)
drm/i915: Update DRIVER_DATE to 20161108
drm/i915: Mark CPU cache as dirty when used for rendering
drm/i915: Add assert for no pending GPU requests during suspend/resume in LR mode
drm/i915: Make sure engines are idle during GPU idling in LR mode
drm/i915: Avoid early GPU idling due to race with new request
drm/i915: Avoid early GPU idling due to already pending idle work
drm/i915: Limit Valleyview and earlier to only using mappable scanout
drm/i915: Round tile chunks up for constructing partial VMAs
drm/i915: Remove the vma from the object list upon close
drm/i915: Reinit polling before hpd when resuming
drm/i915: Remove redundant reprobe in i915_drm_resume
drm/i915/dp: Extend BDW DP audio workaround to GEN9 platforms
drm/i915/dp: BDW cdclk fix for DP audio
drm/i915: Fix pages pin counting around swizzle quirk
drm/i915: Fix test on inputs for vma_compare()
drm/i915/guc: Cache the client mapping
drm/i915: Tidy slab cache allocations
drm/i915: Introduce HAS_64BIT_RELOC
drm/i915: Show the execlist queue in debugfs/i915_engine_info
drm/i915: Unify global_list into global_link
...
0day continues to complain about trying to save a stacktrace for the
users of the drm_mm range allocator. This time, it is that m68k has no
save_stack_trace(), which is apparently guarded by STACKTRACE_SUPPORT.
Make it depend so!
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161109143906.11057-1-chris@chris-wilson.co.uk
Adapting the videomode to the hardware constraints is something that
can and must happen during normal operation and isn't something that
the user can avoid. So printing a warning each time it happens isn't
helpful.
Demote this message to the debug level.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
I misread the kbuild result thinking that we had missed the include
(which we had for completeness anyway), what kbuild was actually warning
me about was that depot_save_stack was not exported.
Temporarily fix this by only selecting STACKDEPOT iff drm.ko is builtin
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 5705670d04 ("drm: Track drm_mm allocators and show leaks on shutdown")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161108131917.6253-2-chris@chris-wilson.co.uk
