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Don't select shadow buffering for the fbdev console explicitly. The
fbdev emulation's heuristic will enable it for any framebuffer with
.dirty callback.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220303205839.28484-2-tzimmermann@suse.de
Use pageref->offset instead of page->index for deferred-I/O writeback
where appropriate. Distinguishes between file-mapping offset and video-
memory offset. While at it, also remove unnecessary references to
struct page.
Fbdev's deferred-I/O code uses the two related page->index and
pageref->offset. The former is the page offset in the mapped file,
the latter is the byte offset in the video memory (or fbdev screen
buffer). It's the same value for fbdev drivers, but for DRM the values
can be different. Because GEM buffer objects are mapped at an offset
in the DRM device file, page->index has this offset added to it as well.
We currently don't hit this case in DRM, because all affected mappings
of GEM memory are performed with an internal, intermediate shadow buffer.
The value of page->index is required by page_mkclean(), which we
call to reset the mappings during the writeback phase of the deferred
I/O. The value of pageref->offset is for conveniently getting an offset
into video memory in fb helpers.
v4:
* fix commit message (Javier)
Suggested-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-6-tzimmermann@suse.de
Rename various instances of pagelist to pagereflist. The list now
stores pageref structures, so the new name is more appropriate.
In their write-back helpers, several fbdev drivers refer to the
pageref list in struct fb_deferred_io instead of using the one
supplied as argument to the function. Convert them over to the
supplied one. It's the same instance, so no change of behavior
occurs.
v4:
* fix commit message (Javier)
Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-5-tzimmermann@suse.de
Refactor the page-write handler for deferred I/O. Drivers use the
function to let fbdev track written pages of mmap'ed framebuffer
memory.
v3:
* keep locking within track-pages function for readability (Sam)
v2:
* don't export the helper until we have an external caller
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-4-tzimmermann@suse.de
Store the per-page state for fbdev's deferred I/O in struct
fb_deferred_io_pageref. Maintain a list of pagerefs for the pages
that have to be written back to video memory. Update all affected
drivers.
As with pages before, fbdev acquires a pageref when an mmaped page
of the framebuffer is being written to. It holds the pageref in a
list of all currently written pagerefs until it flushes the written
pages to video memory. Writeback occurs periodically. After writeback
fbdev releases all pagerefs and builds up a new dirty list until the
next writeback occurs.
Using pagerefs has a number of benefits.
For pages of the framebuffer, the deferred I/O code used struct
page.lru as an entry into the list of dirty pages. The lru field is
owned by the page cache, which makes deferred I/O incompatible with
some memory pages (e.g., most notably DRM's GEM SHMEM allocator).
struct fb_deferred_io_pageref now provides an entry into a list of
dirty framebuffer pages, freeing lru for use with the page cache.
Drivers also assumed that struct page.index is the page offset into
the framebuffer. This is not true for DRM buffers, which are located
at various offset within a mapped area. struct fb_deferred_io_pageref
explicitly stores an offset into the framebuffer. struct page.index
is now only the page offset into the mapped area.
These changes will allow DRM to use fbdev deferred I/O without an
intermediate shadow buffer.
v3:
* use pageref->offset for sorting
* fix grammar in comment
v2:
* minor fixes in commit message
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-3-tzimmermann@suse.de
The fbdev mmap function fb_mmap() unconditionally overrides the
driver's implementation if deferred I/O has been activated. This
makes it hard to implement mmap with anything but a vmalloc()'ed
software buffer. That is specifically a problem for DRM, where
video memory is maintained by a memory manager.
Leave the mmap handling to drivers and expect them to call the
helper for deferred I/O by thmeselves.
v4:
* unlock mm_lock in fb_mmap() error path (Dan)
v3:
* fix warning if fb_mmap is missing (kernel test robot)
v2:
* print a helpful error message if the defio setup is
incorrect (Javier)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-2-tzimmermann@suse.de
V1:
1. The MCU FW controling ASPEED DP is loaded by BMC boot loader.
2. Driver starts after CR[3:1] == 111b that indicates Tx is ASTDP,
and CRD1[5] has been asserted by BMVC boot loader.
3. EDID is prioritized by DP monitor.
4. DP's EDID has high priority to decide resolution supporting.
V2:
Modules description:
1. ASTDP (ASPEED DisplayPort) is controlled by dedicated
AST-MCU (ASPEED propriatary MCU).
2. MCU is looping in charged of HPD, Read EDID, Link Training with
DP sink.
3. ASTDP and AST-MUC reside in BMC (Baseboard Management controller)
addressing-space.
4. ASPEED DRM driver requests MCU to get HPD and EDID by CR-scratched
register.
Booting sequence:
1. Check if TX is ASTDP // ast_dp_launch()
2. Check if DP-MCU FW has loaded // ast_dp_launch()
3. Read EDID // ast_dp_read_edid()
4. Resolution switch // ast_dp_SetOutput()
V3:
1. Remove unneeded semicolon.
2. Apply to git://anongit.freedesktop.org/drm/drm, instead of
git://anongit.freedesktop.org/drm/drm-misc
3. Resolve auto build test WARNINGs on V1 patch.
V4:
1. Sync code-base with kernel 5.17_rc6
2. Remove the define of DPControlPower, because DP chips need to be
powered on to be used.
3. Remove the switches of PHY and Display from EDID procedure.
4. Revise increaing delay to fixed delay, because this version kernel
doesn't detect minitor consistenntly.
5. Create clean-up code used for reset of power state on errors with
-EIO manner.
6. Revise the DP detection by TX type and its DP-FW status during
booting and resume.
7. Correct the CamelCase Style.
8. Use register reading while needing, and remove to hold full
register.
9. Instead of 'u8', revise to 'bool' on swwitch of PHY and video.
10.Correct typo
11.Remove the duplicated copy of TX definition.
12.Use EDID_LENGTH as the constant of 128.
Signed-off-by: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220428075603.20904-1-kuohsiang_chou@aspeedtech.com
None of the upstream device tree files has a "unwedge" pinctrl
specified. Make it optional.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-16-s.hauer@pengutronix.de
The RK3568 has HDMI_TX_AVDD0V9 and HDMI_TX_AVDD_1V8 supply inputs needed
for the HDMI port. add support for these to the driver for boards which
have them supplied by switchable regulators.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-10-s.hauer@pengutronix.de
The RK3568 has HDMI_TX_AVDD0V9 and HDMI_TX_AVDD_1V8 supply inputs
needed for the HDMI port. Add the binding for these supplies.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-11-s.hauer@pengutronix.de
Add a new dw_hdmi_plat_data struct and new compatible for rk3568.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-8-s.hauer@pengutronix.de
Define a new compatible for rk3568 HDMI.
This version of HDMI hardware block needs two new clocks hclk_vio and hclk
to provide phy reference clocks.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-9-s.hauer@pengutronix.de
"vpll" is a misnomer. A clock input to a device should be named after
the usage in the device, not after the clock that drives it. On the
rk3568 the same clock is driven by the HPLL.
This patch adds "ref" as a new alternative clock name for "vpll"
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-6-s.hauer@pengutronix.de
"vpll" is a misnomer. A clock input to a device should be named after
the usage in the device, not after the clock that drives it. On the
rk3568 the same clock is driven by the HPLL.
To fix that, this patch renames the vpll clock to ref clock. The clock
name "vpll" is left for compatibility to old device trees.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-5-s.hauer@pengutronix.de
The VOP2 has an interface mux which decides to which encoder(s) a CRTC
is routed to. The encoders and CRTCs are connected via of_graphs in the
device tree. When given an encoder the VOP2 driver needs to know to
which internal register setting this encoder matches. For this the VOP2
binding offers different endpoints, one for each possible encoder. The
endpoint ids of these endpoints are used as a key from an encoders
device tree description to the internal register setting.
This patch adds the key aka endpoint id to struct rockchip_encoder plus
a function to read the endpoint id starting from the encoders device
node.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-4-s.hauer@pengutronix.de
The VOP2 driver needs rockchip specific information for a drm_encoder.
This patch creates a struct rockchip_encoder with a struct drm_encoder
embedded in it. This is used throughout the rockchip driver instead of
struct drm_encoder directly.
The information the VOP2 drivers needs is the of_graph endpoint node
of the encoder. To ease bisectability this is added here.
While at it convert the different encoder-to-driverdata macros to
static inline functions in order to gain type safety and readability.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-3-s.hauer@pengutronix.de
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Backmerge tag 'v5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Linux 5.18-rc5
There was a build fix for arm I wanted in drm-next, so backmerge rather then cherry-pick.
Signed-off-by: Dave Airlie <airlied@redhat.com>
The VOP in Rockchip SoCs that support YUV planes also support swapping
of the U and V elements. Supporting the swapped variants, especially
NV21, would be beneficial for multimedia applications, as the hardware
video decoders only output NV21, and supporting this pixel format in
the display pipeline would allow the decoded video frames to be output
directly.
Add support for this to support the various formats that have U/V
swapped.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220114074038.2633848-1-wenst@chromium.org
Once EDID is parsed, the monitor HDMI support information is available
through drm_display_info.is_hdmi.
This driver calls drm_detect_hdmi_monitor() to receive the same
information and stores its own cached value, which is less efficient.
Avoid calling drm_detect_hdmi_monitor() and use drm_display_info.is_hdmi
instead and also remove hdmi_data_info.sink_is_hdmi as it is no longer
necessary.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220421170725.903361-4-jose.exposito89@gmail.com
Once EDID is parsed, the monitor HDMI support information is available
through drm_display_info.is_hdmi.
This driver calls drm_detect_hdmi_monitor() to receive the same
information and stores its own cached value, which is less efficient.
Avoid calling drm_detect_hdmi_monitor() and use drm_display_info.is_hdmi
instead and also remove hdmi_data_info.sink_is_hdmi as it is no longer
necessary.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220421170725.903361-3-jose.exposito89@gmail.com
Smatch reports this issue
cdn-dp-core.c:51:20: warning: symbol 'rk3399_cdn_dp' was not declared. Should it be static?
rk3399_cdn_dp is only used in cdn-dp-core.c so change
its storge-class specifier to static.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220421144304.586396-1-trix@redhat.com
Defer the IOMMU domain setup until after successfully binding
components, so we can figure out IOMMU support directly from the VOP
devices themselves, rather than manually inferring it from the DT (which
also fails to account for whether the IOMMU driver is actually loaded).
Although this is somewhat of a logical cleanup, the main motivation is
to prepare for a change in the iommu_domain_alloc() interface.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/94eee7ab434fe11eb0787f691e9f1ab03a2e91be.1649168685.git.robin.murphy@arm.com
It will cause null-ptr-deref in resource_size(), if platform_get_resource()
returns NULL, move calling resource_size() after devm_ioremap_resource() that
will check 'res' to avoid null-ptr-deref.
Fixes: 2048e3286f34 ("drm: rockchip: Add basic drm driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422032854.2995175-1-yangyingliang@huawei.com
tfp410_fini() always returns zero. Make it return no value which makes it
easier to see in the callers that there is no error to handle.
Also the return value of i2c and platform driver remove callbacks is
ignored anyway. This prepares making i2c and platform remove callbacks
return void, too.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220428162803.185275-1-u.kleine-koenig@pengutronix.de
The i.MX8MP contains two syscon registers which are responsible
for configuring the on-SoC DPI-to-LVDS serializer. Implement a
simple bridge driver for this serializer.
--
- Add sentinel of_device_table
- Add RB from Sam
- Rename to fsl-ldb altogether
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Robby Cai <robby.cai@nxp.com>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
To: dri-devel@lists.freedesktop.org
V2: - Rename syscon to fsl,syscon
V3: - Consistently use MX8MP
V4: - Fix MODULE_DESCRIPTION to also use MX8MP
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220426193645.244792-2-marex@denx.de
The i.MX8MP contains two syscon registers which are responsible
for configuring the on-SoC DPI-to-LVDS serializer. Add DT binding
which represents this serializer as a bridge.
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Robby Cai <robby.cai@nxp.com>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: devicetree@vger.kernel.org
To: dri-devel@lists.freedesktop.org
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220426193645.244792-1-marex@denx.de
The ADV7511 family of bridges supports two modes for CEC RX: legacy and
non-legacy mode. The only difference is whether the chip uses a single
CEC RX buffer, or uses all three available RX buffers. Currently the
adv7511 driver uses legacy mode.
While debugging a stall in CEC RX on an ADV7535, we reached out to
Analog Devices, who suggested to use non-legacy mode instead. According
to the programming guide for the ADV7511 [1], and the register control
manual of the ADV7535 [2], this is the default behaviour on reset. As
previously stated, the adv7511 driver currently overrides this to legacy
mode.
This patch updates the adv7511 driver to instead use non-legacy mode
with all three CEC RX buffers. As a result of this change, we no longer
experience any stalling of CEC RX with the ADV7535. It is not known why
non-legacy mode solves this particular issue, but besides this, no
functional change is to be expected by this patch. Please note that this
has only been tested on an ADV7535.
What follows is a brief description of the non-legacy mode interrupt
handling behaviour. The programming guide in [1] gives a more detailed
explanation.
With three RX buffers, the interrupt handler checks the CEC_RX_STATUS
register (renamed from CEC_RX_ENABLE in this patch), which contains
2-bit psuedo-timestamps for each of the RX buffers. The RX timestamps
for each buffer represent the time of arrival for the CEC frame held in
a given buffer, with lower timestamp values indicating chronologically
older frames. A special value of 0 indicates that the given RX buffer
is inactive and should be skipped. The interrupt handler parses these
timestamps and then reads the active RX buffers in the prescribed order
using the same logic as before. Changes have been made to ensure that
the correct RX buffer is cleared after processing. This clearing
procesure also sets the timestamp of the given RX buffer to 0 to mark it
as inactive.
[1] https://www.analog.com/media/en/technical-documentation/user-guides/ADV7511_Programming_Guide.pdf
cf. CEC Map, register 0x4A, bit 3, default value 1:
0 = Use only buffer 0 to store CEC frames (Legacy mode)
1 = Use all 3 buffers to stores the CEC frames (Non-legacy mode)
[2] The ADV7535 register control manual is under NDA, but trust me when
I say that non-legacy CEC RX mode is the default here too. Here the
register is offset by 0x70 and has an address of 0xBA in the DSI_CEC
regiser map.
Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220423120854.1503163-3-alvin@pqrs.dk
Like the ADV7533, the ADV7535 has an offset for the CEC register map,
and it is the same value (ADV7533_REG_CEC_OFFSET = 0x70).
Rather than testing for numerous chip types in the offset calculations
throughout the driver, just compute it during driver probe and put it in
the private adv7511 data structure.
Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220423120854.1503163-2-alvin@pqrs.dk
Send DPCD SET_POWER command to downstream in .atomic_disable to make the
downstream monitor enter the power down mode, so the device suspend won't
be affected.
Fixes: b5c84a9edcd418 ("drm/bridge: add it6505 driver")
Signed-off-by: Pin-Yen Lin <treapking@chromium.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220425134424.1150965-1-treapking@chromium.org
Reviewed-by: Robert Foss <robert.foss@linaro.org>
AM-1280800N3TZQW-T00H panel support 8 bpc not 6 bpc as per
recent testing in i.MX8MM platform.
Fix it.
Fixes: bca684e69c4c ("drm/panel: simple: Add AM-1280800N3TZQW-T00H")
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211111094103.494831-1-jagan@amarulasolutions.com
drm_gem_plane_helper_prepare_fb() was using
drm_atomic_set_fence_for_plane() which ignores all implicit fences when an
explicit fence is already set. That's rather unfortunate when the fb still
has a kernel fence we need to wait for to avoid presenting garbage on the
screen.
So instead update the fence in the plane state directly. While at it also
take care of all potential GEM objects and not just the first one.
Also remove the now unused drm_atomic_set_fence_for_plane() function, new
drivers should probably use the atomic helpers directly.
v2: improve kerneldoc, use local variable and num_planes, WARN_ON_ONCE
on missing planes.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v1)
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429134230.24334-1-christian.koenig@amd.com
* Take care of faults occuring between the PARange and
IPA range by injecting an exception
* Fix S2 faults taken from a host EL0 in protected mode
* Work around Oops caused by a PMU access from a 32bit
guest when PMU has been created. This is a temporary
bodge until we fix it for good.
x86:
* Fix potential races when walking host page table
* Fix shadow page table leak when KVM runs nested
* Work around bug in userspace when KVM synthesizes leaf
0x80000021 on older (pre-EPYC) or Intel processors
Generic (but affects only RISC-V):
* Fix bad user ABI for KVM_EXIT_SYSTEM_EVENT
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Take care of faults occuring between the PARange and IPA range by
injecting an exception
- Fix S2 faults taken from a host EL0 in protected mode
- Work around Oops caused by a PMU access from a 32bit guest when PMU
has been created. This is a temporary bodge until we fix it for
good.
x86:
- Fix potential races when walking host page table
- Fix shadow page table leak when KVM runs nested
- Work around bug in userspace when KVM synthesizes leaf 0x80000021
on older (pre-EPYC) or Intel processors
Generic (but affects only RISC-V):
- Fix bad user ABI for KVM_EXIT_SYSTEM_EVENT"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: work around QEMU issue with synthetic CPUID leaves
Revert "x86/mm: Introduce lookup_address_in_mm()"
KVM: x86/mmu: fix potential races when walking host page table
KVM: fix bad user ABI for KVM_EXIT_SYSTEM_EVENT
KVM: x86/mmu: Do not create SPTEs for GFNs that exceed host.MAXPHYADDR
KVM: arm64: Inject exception on out-of-IPA-range translation fault
KVM/arm64: Don't emulate a PMU for 32-bit guests if feature not set
KVM: arm64: Handle host stage-2 faults from 32-bit EL0
solely controlled by the hypervisor
- A build fix to make the function prototype (__warn()) as visible as
the definition itself
- A bunch of objtool annotation fixes which have accumulated over time
- An ORC unwinder fix to handle bad input gracefully
- Well, we thought the microcode gets loaded in time in order to restore
the microcode-emulated MSRs but we thought wrong. So there's a fix for
that to have the ordering done properly
- Add new Intel model numbers
- A spelling fix
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Merge tag 'x86_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- A fix to disable PCI/MSI[-X] masking for XEN_HVM guests as that is
solely controlled by the hypervisor
- A build fix to make the function prototype (__warn()) as visible as
the definition itself
- A bunch of objtool annotation fixes which have accumulated over time
- An ORC unwinder fix to handle bad input gracefully
- Well, we thought the microcode gets loaded in time in order to
restore the microcode-emulated MSRs but we thought wrong. So there's
a fix for that to have the ordering done properly
- Add new Intel model numbers
- A spelling fix
* tag 'x86_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/pci/xen: Disable PCI/MSI[-X] masking for XEN_HVM guests
bug: Have __warn() prototype defined unconditionally
x86/Kconfig: fix the spelling of 'becoming' in X86_KERNEL_IBT config
objtool: Use offstr() to print address of missing ENDBR
objtool: Print data address for "!ENDBR" data warnings
x86/xen: Add ANNOTATE_NOENDBR to startup_xen()
x86/uaccess: Add ENDBR to __put_user_nocheck*()
x86/retpoline: Add ANNOTATE_NOENDBR for retpolines
x86/static_call: Add ANNOTATE_NOENDBR to static call trampoline
objtool: Enable unreachable warnings for CLANG LTO
x86,objtool: Explicitly mark idtentry_body()s tail REACHABLE
x86,objtool: Mark cpu_startup_entry() __noreturn
x86,xen,objtool: Add UNWIND hint
lib/strn*,objtool: Enforce user_access_begin() rules
MAINTAINERS: Add x86 unwinding entry
x86/unwind/orc: Recheck address range after stack info was updated
x86/cpu: Load microcode during restore_processor_state()
x86/cpu: Add new Alderlake and Raptorlake CPU model numbers
fallthrough detection and relocation handling of weak symbols when the
toolchain strips section symbols
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Merge tag 'objtool_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Borislav Petkov:
"A bunch of objtool fixes to improve unwinding, sibling call detection,
fallthrough detection and relocation handling of weak symbols when the
toolchain strips section symbols"
* tag 'objtool_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix code relocs vs weak symbols
objtool: Fix type of reloc::addend
objtool: Fix function fallthrough detection for vmlinux
objtool: Fix sibling call detection in alternatives
objtool: Don't set 'jump_dest' for sibling calls
x86/uaccess: Don't jump between functions
Here are some small driver core and kernfs fixes for some reported
problems. They include:
- kernfs regression that is causing oopses in 5.17 and newer
releases
- topology sysfs fixes for a few small reported problems.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are some small driver core and kernfs fixes for some reported
problems. They include:
- kernfs regression that is causing oopses in 5.17 and newer releases
- topology sysfs fixes for a few small reported problems.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
kernfs: fix NULL dereferencing in kernfs_remove
topology: Fix up build warning in topology_is_visible()
arch_topology: Do not set llc_sibling if llc_id is invalid
topology: make core_mask include at least cluster_siblings
topology/sysfs: Hide PPIN on systems that do not support it.
Here are a small number of char/misc/other driver fixes for 5.18-rc5
Nothing major in here, this is mostly IIO driver fixes along with some
other small things:
- at25 driver fix for systems without a dma-able stack
- phy driver fixes for reported issues
- binder driver fixes for reported issues
All of these have been in linux-next without any reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a small number of char/misc/other driver fixes for 5.18-rc5
Nothing major in here, this is mostly IIO driver fixes along with some
other small things:
- at25 driver fix for systems without a dma-able stack
- phy driver fixes for reported issues
- binder driver fixes for reported issues
All of these have been in linux-next without any reported problems"
* tag 'char-misc-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (31 commits)
eeprom: at25: Use DMA safe buffers
binder: Gracefully handle BINDER_TYPE_FDA objects with num_fds=0
binder: Address corner cases in deferred copy and fixup
phy: amlogic: fix error path in phy_g12a_usb3_pcie_probe()
iio: imu: inv_icm42600: Fix I2C init possible nack
iio: dac: ltc2688: fix voltage scale read
interconnect: qcom: sdx55: Drop IP0 interconnects
interconnect: qcom: sc7180: Drop IP0 interconnects
phy: ti: Add missing pm_runtime_disable() in serdes_am654_probe
phy: mapphone-mdm6600: Fix PM error handling in phy_mdm6600_probe
phy: ti: omap-usb2: Fix error handling in omap_usb2_enable_clocks
bus: mhi: host: pci_generic: Flush recovery worker during freeze
bus: mhi: host: pci_generic: Add missing poweroff() PM callback
phy: ti: tusb1210: Fix an error handling path in tusb1210_probe()
phy: samsung: exynos5250-sata: fix missing device put in probe error paths
phy: samsung: Fix missing of_node_put() in exynos_sata_phy_probe
phy: ti: Fix missing of_node_put in ti_pipe3_get_sysctrl()
phy: ti: tusb1210: Make tusb1210_chg_det_states static
iio:dac:ad3552r: Fix an IS_ERR() vs NULL check
iio: sx9324: Fix default precharge internal resistance register
...
Here are some small serial driver fixes, and a larger number of GSM line
discipline fixes for 5.18-rc5.
These include:
- lots of tiny n_gsm fixes for issues to resolve a number of
reported problems. Seems that people are starting to actually
use this code again.
- 8250 driver fixes for some devices
- imx serial driver fix
- amba-pl011 driver fix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small serial driver fixes, and a larger number of GSM
line discipline fixes for 5.18-rc5.
These include:
- lots of tiny n_gsm fixes for issues to resolve a number of reported
problems. Seems that people are starting to actually use this code
again.
- 8250 driver fixes for some devices
- imx serial driver fix
- amba-pl011 driver fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (27 commits)
tty: n_gsm: fix sometimes uninitialized warning in gsm_dlci_modem_output()
serial: 8250: Correct the clock for EndRun PTP/1588 PCIe device
serial: 8250: Also set sticky MCR bits in console restoration
tty: n_gsm: fix software flow control handling
tty: n_gsm: fix invalid use of MSC in advanced option
tty: n_gsm: fix broken virtual tty handling
Revert "serial: sc16is7xx: Clear RS485 bits in the shutdown"
tty: n_gsm: fix missing update of modem controls after DLCI open
serial: 8250: Fix runtime PM for start_tx() for empty buffer
serial: imx: fix overrun interrupts in DMA mode
serial: amba-pl011: do not time out prematurely when draining tx fifo
tty: n_gsm: fix incorrect UA handling
tty: n_gsm: fix reset fifo race condition
tty: n_gsm: fix missing tty wakeup in convergence layer type 2
tty: n_gsm: fix wrong signal octets encoding in MSC
tty: n_gsm: fix wrong command frame length field encoding
tty: n_gsm: fix wrong command retry handling
tty: n_gsm: fix missing explicit ldisc flush
tty: n_gsm: fix wrong DLCI release order
tty: n_gsm: fix insufficient txframe size
...
Here are a number of small USB driver fixes for 5.18-rc5 for some
reported issues and new quirks. They include:
- dwc3 driver fixes
- xhci driver fixes
- typec driver fixes
- new usb-serial driver ids
- added new USB devices to existing quirk tables
- other tiny fixes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of small USB driver fixes for 5.18-rc5 for some
reported issues and new quirks. They include:
- dwc3 driver fixes
- xhci driver fixes
- typec driver fixes
- new usb-serial driver ids
- added new USB devices to existing quirk tables
- other tiny fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (31 commits)
usb: phy: generic: Get the vbus supply
usb: dwc3: gadget: Return proper request status
usb: dwc3: pci: add support for the Intel Meteor Lake-P
usb: dwc3: core: Only handle soft-reset in DCTL
usb: gadget: configfs: clear deactivation flag in configfs_composite_unbind()
usb: misc: eud: Fix an error handling path in eud_probe()
usb: core: Don't hold the device lock while sleeping in do_proc_control()
usb: dwc3: Try usb-role-switch first in dwc3_drd_init
usb: dwc3: core: Fix tx/rx threshold settings
usb: mtu3: fix USB 3.0 dual-role-switch from device to host
xhci: Enable runtime PM on second Alderlake controller
usb: dwc3: fix backwards compat with rockchip devices
dt-bindings: usb: samsung,exynos-usb2: add missing required reg
usb: misc: fix improper handling of refcount in uss720_probe()
USB: Fix ehci infinite suspend-resume loop issue in zhaoxin
usb: typec: tcpm: Fix undefined behavior due to shift overflowing the constant
usb: typec: rt1719: Fix build error without CONFIG_POWER_SUPPLY
usb: typec: ucsi: Fix role swapping
usb: typec: ucsi: Fix reuse of completion structure
usb: xhci: tegra:Fix PM usage reference leak of tegra_xusb_unpowergate_partitions
...
One fix for an endless error loop with the target driver affecting tapes.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One fix for an endless error loop with the target driver affecting
tapes"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target: pscsi: Set SCF_TREAT_READ_AS_NORMAL flag only if there is valid data
- A fix for a regression caused by the previous set of bugfixes
changing tegra and at91 pinctrl properties. More work is needed
to figure out what this should actually be, but a revert makes
it work for the moment.
- Defconfig regression fixes for tegra after renamed symbols
- Build-time warning and static checker fixes for imx, op-tee,
sunxi, meson, at91, and omap
- More at91 DT fixes for audio, regulator and spi nodes
- A regression fix for Renesas Hyperflash memory probe
- A stability fix for amlogic boards, modifying the allowed
cpufreq states
- Multiple fixes for system suspend on omap2+
- DT fixes for various i.MX bugs
- A probe error fix for imx6ull-colibri MMC
- A MAINTAINERS file entry for samsung bug reports
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Merge tag 'soc-fixes-5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
- A fix for a regression caused by the previous set of bugfixes
changing tegra and at91 pinctrl properties.
More work is needed to figure out what this should actually be, but a
revert makes it work for the moment.
- Defconfig regression fixes for tegra after renamed symbols
- Build-time warning and static checker fixes for imx, op-tee, sunxi,
meson, at91, and omap
- More at91 DT fixes for audio, regulator and spi nodes
- A regression fix for Renesas Hyperflash memory probe
- A stability fix for amlogic boards, modifying the allowed cpufreq
states
- Multiple fixes for system suspend on omap2+
- DT fixes for various i.MX bugs
- A probe error fix for imx6ull-colibri MMC
- A MAINTAINERS file entry for samsung bug reports
* tag 'soc-fixes-5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
Revert "arm: dts: at91: Fix boolean properties with values"
bus: sunxi-rsb: Fix the return value of sunxi_rsb_device_create()
Revert "arm64: dts: tegra: Fix boolean properties with values"
arm64: dts: imx8mn-ddr4-evk: Describe the 32.768 kHz PMIC clock
ARM: dts: imx6ull-colibri: fix vqmmc regulator
MAINTAINERS: add Bug entry for Samsung and memory controller drivers
memory: renesas-rpc-if: Fix HF/OSPI data transfer in Manual Mode
ARM: dts: logicpd-som-lv: Fix wrong pinmuxing on OMAP35
ARM: dts: am3517-evm: Fix misc pinmuxing
ARM: dts: am33xx-l4: Add missing touchscreen clock properties
ARM: dts: Fix mmc order for omap3-gta04
ARM: dts: at91: fix pinctrl phandles
ARM: dts: at91: sama5d4_xplained: fix pinctrl phandle name
ARM: dts: at91: Describe regulators on at91sam9g20ek
ARM: dts: at91: Map MCLK for wm8731 on at91sam9g20ek
ARM: dts: at91: Fix boolean properties with values
ARM: dts: at91: use generic node name for dataflash
ARM: dts: at91: align SPI NOR node name with dtschema
ARM: dts: at91: sama7g5ek: Align the impedance of the QSPI0's HSIO and PCB lines
ARM: dts: at91: sama7g5ek: enable pull-up on flexcom3 console lines
...
touching the core so these fixes are fairly well contained to specific
devices that use these clk drivers.
- Some Allwinner SoC fixes to gracefully handle errors and mark an RTC
clk as critical so that the RTC keeps ticking.
- Fix AXI bus clks and RTC clk design for Microchip PolarFire SoC
driver introduced this cycle. This has some devicetree bits acked by
riscv maintainers. We're fixing it now so that the prior bindings
aren't released in a major kernel version.
- Remove a reset on Microchip PolarFire SoCs that broke when enabling
CONFIG_PM.
- Set a min/max for the Qualcomm graphics clk. This got broken by the
clk rate range patches introduced this cycle.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A semi-large pile of clk driver fixes this time around.
Nothing is touching the core so these fixes are fairly well contained
to specific devices that use these clk drivers.
- Some Allwinner SoC fixes to gracefully handle errors and mark an
RTC clk as critical so that the RTC keeps ticking.
- Fix AXI bus clks and RTC clk design for Microchip PolarFire SoC
driver introduced this cycle. This has some devicetree bits acked
by riscv maintainers. We're fixing it now so that the prior
bindings aren't released in a major kernel version.
- Remove a reset on Microchip PolarFire SoCs that broke when enabling
CONFIG_PM.
- Set a min/max for the Qualcomm graphics clk. This got broken by the
clk rate range patches introduced this cycle"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: sunxi: sun9i-mmc: check return value after calling platform_get_resource()
clk: sunxi-ng: sun6i-rtc: Mark rtc-32k as critical
riscv: dts: microchip: reparent mpfs clocks
clk: microchip: mpfs: add RTCREF clock control
clk: microchip: mpfs: re-parent the configurable clocks
dt-bindings: rtc: add refclk to mpfs-rtc
dt-bindings: clk: mpfs: add defines for two new clocks
dt-bindings: clk: mpfs document msspll dri registers
riscv: dts: microchip: fix usage of fic clocks on mpfs
clk: microchip: mpfs: mark CLK_ATHENA as critical
clk: microchip: mpfs: fix parents for FIC clocks
clk: qcom: clk-rcg2: fix gfx3d frequency calculation
clk: microchip: mpfs: don't reset disabled peripherals
clk: sunxi-ng: fix not NULL terminated coccicheck error
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Merge tag 'io_uring-5.18-2022-04-29' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Pretty boring:
- three patches just adding reserved field checks (me, Eugene)
- Fixing a potential regression with IOPOLL caused by a block change
(Joseph)"
Boring is good.
* tag 'io_uring-5.18-2022-04-29' of git://git.kernel.dk/linux-block:
io_uring: check that data field is 0 in ringfd unregister
io_uring: fix uninitialized field in rw io_kiocb
io_uring: check reserved fields for recv/recvmsg
io_uring: check reserved fields for send/sendmsg
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Merge tag 'random-5.18-rc5-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fixes from Jason Donenfeld:
- Eric noticed that the memmove() in crng_fast_key_erasure() was bogus,
so this has been changed to a memcpy() and the confusing situation
clarified with a detailed comment.
- [Half]SipHash documentation updates from Bagas and Eric, after Eric
pointed out that the use of HalfSipHash in random.c made a bit of the
text potentially misleading.
* tag 'random-5.18-rc5-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
Documentation: siphash: disambiguate HalfSipHash algorithm from hsiphash functions
Documentation: siphash: enclose HalfSipHash usage example in the literal block
Documentation: siphash: convert danger note to warning for HalfSipHash
random: document crng_fast_key_erasure() destination possibility
by fsync (marked for stable) and a false positive WARN and snap_rwsem
locking fixups.
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Merge tag 'ceph-for-5.18-rc5' of https://github.com/ceph/ceph-client
Pull ceph client fixes from Ilya Dryomov:
"A fix for a NULL dereference that turns out to be easily triggerable
by fsync (marked for stable) and a false positive WARN and snap_rwsem
locking fixups"
* tag 'ceph-for-5.18-rc5' of https://github.com/ceph/ceph-client:
ceph: fix possible NULL pointer dereference for req->r_session
ceph: remove incorrect session state check
ceph: get snap_rwsem read lock in handle_cap_export for ceph_add_cap
libceph: disambiguate cluster/pool full log message
