This has never worked properly, as the IRQ got retriggered immediately
on unmask. Remove the IRQ wait dance, as it is apparently safe to disable
the DC channel at any point in time.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
The IPU does not natively understand bayer formats, but it can pass them
through unchanged. Add support for setting the image base address and
cropping offset to ipu_cpmem_set_image.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Otherwise, if the image base address is kept at zero, and if the user
ignores the error return value, the IPU may be configured to write into
the dma-apbh@00110000 region for large frames, which will lock up the
system.
Reported-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Setting dev->of_node changes the modalias and breaks module autoloading.
Since there is an of_node field in the platform data passed to child
devices, we don't even need this anymore.
Suggested-by: Russell King <linux@armlinux.org.uk>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This function will be used by the media drivers and needs to be exported
to allow them to be built as modules.
Reported-by: Russell King <linux@armlinux.org.uk>
Fixes: 867341b958 ("gpu: ipu-v3: add ipu_csi_set_downsize")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
- 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
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>
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Backmerge tag 'v4.9-rc4' into drm-next
Linux 4.9-rc4
This is needed for nouveau development.
If we want to stop resetting the IPU in the future, masking all
interrupts before registering the irq handlers will not be enough to
avoid spurious interrupts. We also have to clear them.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Liu Ying <gnuiyl@gmail.com>
The IDMAC does support reading and writing DRM_FORMAT_YUV444 and
DRM_FORMAT_YVU444.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Liu Ying <gnuiyl@gmail.com>
ipu_cpmem_set_yuv_planar_full is only used directly, remove the wrapper.
Suggested-by: Liu Ying <gnuiyl@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Liu Ying <gnuiyl@gmail.com>
These GPU drivers only depend on the RESET_CONTROLLER config
option to fix build issues that existed when there weren't stub
reset APIs for reset controller consumers. Given that these
drivers aren't providing any reset controllers themselves, they
don't actually depend on the API to build (just to function) so
they don't need to depend on it. Remove the dependency to fix
recursive build errors like the following:
drivers/usb/Kconfig:39:error: recursive dependency detected!
drivers/usb/Kconfig:39: symbol USB is selected by MOUSE_APPLETOUCH
drivers/input/mouse/Kconfig:187: symbol MOUSE_APPLETOUCH depends on INPUT
drivers/input/Kconfig:8: symbol INPUT is selected by VT
drivers/tty/Kconfig:12: symbol VT is selected by FB_STI
drivers/video/fbdev/Kconfig:674: symbol FB_STI depends on FB
drivers/video/fbdev/Kconfig:5: symbol FB is selected by DRM_KMS_FB_HELPER
drivers/gpu/drm/Kconfig:42: symbol DRM_KMS_FB_HELPER is selected by DRM_KMS_CMA_HELPER
drivers/gpu/drm/Kconfig:98: symbol DRM_KMS_CMA_HELPER is selected by DRM_IMX
drivers/gpu/drm/imx/Kconfig:1: symbol DRM_IMX depends on IMX_IPUV3_CORE
drivers/gpu/ipu-v3/Kconfig:1: symbol IMX_IPUV3_CORE depends on RESET_CONTROLLER
drivers/reset/Kconfig:4: symbol RESET_CONTROLLER is selected by USB_CHIPIDEA
drivers/usb/chipidea/Kconfig:1: symbol USB_CHIPIDEA depends on USB_EHCI_HCD
drivers/usb/host/Kconfig:84: symbol USB_EHCI_HCD depends on USB
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: <dri-devel@lists.freedesktop.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: robdclark@gmail.com
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161018205719.20575-1-stephen.boyd@linaro.org
Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)).
Generated by: scripts/coccinelle/api/err_cast.cocci
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This patch implements image conversion support using the IC tasks, with
tiling to support scaling to and from images up to 4096x4096. Image
rotation is also supported. Image conversion requests are added to
a run queue under the IC tasks.
The internal API is subsystem agnostic (no V4L2 dependency except
for the use of V4L2 fourcc pixel formats).
Callers prepare for image conversion by calling
ipu_image_convert_prepare(), which initializes the parameters of
the conversion. The caller passes in the ipu and IC task to use for
the conversion, the input and output image formats, a rotation mode,
and a completion callback and completion context pointer:
struct ipu_image_converter_ctx *
ipu_image_convert_prepare(struct ipu_soc *ipu, enum ipu_ic_task ic_task,
struct ipu_image *in, struct ipu_image *out,
enum ipu_rotate_mode rot_mode,
ipu_image_converter_cb_t complete,
void *complete_context);
A new conversion context is created that is added to an IC task
context queue. The caller is given the new conversion context,
which can then be passed to the further APIs:
int ipu_image_convert_queue(struct ipu_image_converter_run *run);
This queues the given image conversion request run to a run queue,
and starts the conversion immediately if the run queue is empty. Only
the physaddr's of the input and output image buffers are needed,
since the conversion context was created previously with
ipu_image_convert_prepare(). When the conversion completes, the run
pointer is returned to the completion callback.
void ipu_image_convert_abort(struct ipu_image_converter_ctx *ctx);
This will abort any active or pending conversions for this context.
Any currently active or pending runs belonging to this context are
returned via the completion callback with an error status.
void ipu_image_convert_unprepare(struct ipu_image_converter_ctx *ctx);
Unprepares the conversion context. Any active or pending runs will
be aborted by calling ipu_image_convert_abort().
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Add a macro that returns boolean true if the given ipu_rotate_mode
requires the use of the Image Rotator.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
of_match_device could return NULL, and so cause a NULL pointer
dereference later.
For fixing this problem, we use of_device_get_match_data(), this will
simplify the code a little by using a standard function for
getting the match data.
Testing the return value of of_device_get_match_data is also necessary
for avoiding a second NULL deref later on devtype.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Adds functions to link and unlink source channels to sink
channels in the FSU:
int ipu_fsu_link(struct ipu_soc *ipu, int src_ch, int sink_ch);
int ipu_fsu_unlink(struct ipu_soc *ipu, int src_ch, int sink_ch);
The channels numbers are usually IDMAC channels, but they can also be
channels that do not transfer data to or from memory. The following
convenience functions can be used in place of ipu_fsu_link/unlink()
when both source and sink channels are IDMAC channels:
int ipu_idmac_link(struct ipuv3_channel *src, struct ipuv3_channel *sink);
int ipu_idmac_unlink(struct ipuv3_channel *src, struct ipuv3_channel *sink);
So far the following links are supported:
IPUV3_CHANNEL_IC_PRP_ENC_MEM -> IPUV3_CHANNEL_MEM_ROT_ENC
PUV3_CHANNEL_IC_PRP_VF_MEM -> IPUV3_CHANNEL_MEM_ROT_VF
IPUV3_CHANNEL_IC_PP_MEM -> IPUV3_CHANNEL_MEM_ROT_PP
IPUV3_CHANNEL_CSI_DIRECT -> IPUV3_CHANNEL_CSI_VDI_PREV
More links can be added to the fsu_link_info[] array.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Adds the Video Deinterlacer (VDIC) unit.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
According to basic tests, it looks there is no issue if we don't wait for
DMFC FIFO to clear when disabling DMFC channel. NXP BSP doesn't do that,
either. This patch is needed to avoid the annoying warning caused by a
timeout on waiting for the FIFO to clear after we add the new
DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET flag to the imx-drm driver
which changes the procedure to disable display channel slightly.
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Peter Senna Tschudin <peter.senna@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Rename the CSI client device in the client_reg[] table to
"imx-ipuv3-csi".
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
There can be multiple IC tasks using the IRT, so the IRT needs
a separate use counter. Create a private ipu_irt_enable() to
enable the IRT module when any IC task requires rotation, and
ipu_irt_disable() when a task no longer needs the IRT.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
The CSI data format was being programmed incorrectly for the
1x16 media bus formats. The CSI data format for 16-bit must
be bayer/generic (CSI_SENS_CONF_DATA_FMT_BAYER).
Suggested-by: Carsten Resch <Carsten.Resch@de.bosch.com>
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Set the sensor full frame based on whether the passed in mbus_fmt
is 720x480 (NTSC) or 720x576 (PAL).
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Adds of-alias id to ipu_soc and retrieve with ipu_get_num().
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Adds ipu_cpmem_set_uv_offset(), to set planar U/V offsets.
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
If imx-drm is combined with a bridge or panel that requests an
unsupported format, warn and use a default mapping instead of
hanging the machine. The worst that can happen here are wrong
colors.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Use the drm_plane_helper_update/disable() and drm_helper_crtc_mode_set()
transitional atomic helpers. The crtc->mode_set_nofb callback is added
so that the primary plane is no longer tied to the CRTC. Check/update
logics are separated to make sure crtc->mode_set_nofb and plane->atomic_update
are always successful. Also, some necessary logics are tweaked for a smooth
transition.
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
For all video modes we support currently, we always get 2 slots for
a plane by using the current existing dynamic DMFC FIFO allocation
mechanism. So, let's change to use the static one to simplify the
code. This also makes it easier to implement the atomic mode setting
as we don't need to handle allocation failure cases then.
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
The component master driver imx-drm-core matches component devices using
their of_node. Since commit 950b410dd1ab ("gpu: ipu-v3: Fix imx-ipuv3-crtc
module autoloading"), the imx-ipuv3-crtc dev->of_node is not set during
probing. Before that, of_node was set and caused an of: modalias to be
used instead of the platform: modalias, which broke module autoloading.
On the other hand, if dev->of_node is not set yet when the imx-ipuv3-crtc
probe function calls component_add, component matching in imx-drm-core
fails. While dev->of_node will be set once the next component tries to
bring up the component master, imx-drm-core component binding will never
succeed if one of the crtc devices is probed last.
Add of_node to the component platform data and match against the
pdata->of_node instead of dev->of_node in imx-drm-core to work around
this problem.
Cc: <stable@vger.kernel.org> # 4.4.x
Fixes: 950b410dd1ab ("gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Fabio Estevam <fabio.estevam@nxp.com>
Tested-by: Lothar Waßmann <LW@KARO-electronics.de>
Tested-by: Heiko Schocher <hs@denx.de>
Tested-by: Chris Ruehl <chris.ruehl@gtsys.com.hk>
If of_node is set before calling platform_device_add, the driver core
will try to use of: modalias matching, which fails because the device
tree nodes don't have a compatible property set. This patch fixes
imx-ipuv3-crtc module autoloading by setting the of_node property only
after the platform modalias is set.
Fixes: 304e6be652 ("gpu: ipu-v3: Assign of_node of child platform devices to corresponding ports")
Reported-by: Dennis Gilmore <dennis@ausil.us>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-By: Dennis Gilmore <dennis@ausil.us>
Cc: stable@vger.kernel.org # 4.4+
Signed-off-by: Dave Airlie <airlied@redhat.com>
The function name 'ipu_dmfc_config_wait4eot' matches the implementation of
the function better than 'ipu_dmfc_init_channel', since it only touches the
wait4eot bits.
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Since the function ipu_dmfc_init_channel() always returns zero, we may
change the return type to void to simplify the code.
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
To avoid race condition issue, we should protect the function
ipu_dmfc_init_channel() with the mutex dmfc->priv->mutex, since it
configures the register DMFC_GENERAL1 at runtime which contains
several control bits for various display channels. This matches
better with fine grained locking logic in upper layer.
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Let ipu_cpmem_set_yuv_planar_full take a DRM_FORMAT instead of a
V4L2_PIXFMT and allow better control over U/V stride, U offset and
V offset settings in the CPMEM.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This cleans up the display controller microcode setup in ipu_dc_init_sync
a little bit. The microcode template words for DI0 and DI1 are properly
separated to avoid a clash when DI1 is active in interlaced mode at the
same time as DI0 in non-interlaced mode.
A comment is added to explain the meaning of the sync counter.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
If we don't come out of a clean reset, make sure no IRQ is fired before
everything is setup by resetting the IPU before activating the interrupt
handlers.
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
The port nodes are documented as optional, treat them accordingly.
Reported-by: Martin Fuzzey <mfuzzey@parkeon.com>
Reported-by: Chris Healy <Chris.Healy@zii.aero>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Fixes: 304e6be652 ("gpu: ipu-v3: Assign of_node of child platform devices to corresponding ports")
* patchwork: (204 commits)
[media] rc: sunxi-cir: Initialize the spinlock properly
[media] rtl2832: do not filter out slave TS null packets
[media] rtl2832: print reg number on error case
[media] rtl28xxu: return demod reg page from driver cache
[media] coda: enable MPEG-2 ES decoding
[media] coda: don't start streaming without queued buffers
[media] coda: hook up vidioc_prepare_buf
[media] coda: relax coda_jpeg_check_buffer for trailing bytes
[media] coda: make to_coda_video_device static
[media] s5p-mfc: remove volatile attribute from MFC register addresses
[media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_void
[media] s5p-mfc: use spinlock to protect MFC context
[media] s5p-mfc: remove unnecessary callbacks
[media] s5p-mfc: make queue cleanup code common
[media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx
[media] s5p-mfc: constify s5p_mfc_codec_ops structures
[media] au8522: Avoid memory leak for device config data
[media] ir-lirc-codec.c: don't leak lirc->drv-rbuf
[media] uvcvideo: small cleanup in uvc_video_clock_update()
[media] uvcvideo: Fix reading the current exposure value of UVC
...
While https was always supported on linuxtv.org, only in
Dec 3 2015 the website is using valid certificates.
As we're planning to drop pure http support on some
future, change the references at DRM include and at
the ipu-v3 driver to point to the https://linuxtv.org
URL instead.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The crtc child device driver shouldn't have to modify the of_node of its
platform device in the probe function. Instead, let the IPU core driver
set the of_node when the platform device is created.
Also reorder the client_reg array so the elements are in port id order
(CSIs first, then DIs).
Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
- Some correctness fixes found by coccinelle
- Add drivers/gpu/ipu-v3 directory to MAINTAINERS
- Add support for more color formats
- Fix a regression, making displays larger than FullHD work again
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Merge tag 'imx-drm-next-2015-10-30' of git://git.pengutronix.de/git/pza/linux into drm-next
imx-drm fixes and color format updates
- Some correctness fixes found by coccinelle
- Add drivers/gpu/ipu-v3 directory to MAINTAINERS
- Add support for more color formats
- Fix a regression, making displays larger than FullHD work again
* tag 'imx-drm-next-2015-10-30' of git://git.pengutronix.de/git/pza/linux:
drm/imx: hdmi: fix HDMI setup to allow modes larger than FullHD
gpu: ipu-v3: fix div_ratio type
gpu: ipu-v3: csi: add support for 8 bpp grayscale sensors.
drm/imx: enable ARGB4444 16-bit color format
gpu: ipu-v3: add support for ARGB4444 16-bit color format
drm/imx: ipuv3-plane: enable support for RGBX8888 and RGBA8888 pixel formats
gpu: ipu-v3: add support for RGBX8888 and RGBA8888 pixel formats
drm/imx: enable 15-bit RGB with 1-bit alpha formats
gpu: ipu-v3: add support for 15-bit RGB with 1-bit alpha formats
MAINTAINERS: Add IPUv3 core driver to the i.MX DRM driver section
gpu: ipu-v3: ipu-csi: bool test doesn't need a comparison to false
The variable can be negative.
The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This patch adds support for the ARGB4444 color format.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
