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[ Upstream commit bc0b79ce2050aa523c38c96b6d26340a96bfbdca ]
If no plane was newly enabled or changed scaling, there can be no new
scaling mismatch with the cursor plane.
By not pulling non-cursor plane states into all atomic commits while
the cursor plane is enabled, this avoids synchronizing all cursor plane
changes to vertical blank, which caused the following IGT tests to fail:
kms_cursor_legacy@cursor-vs-flip.*
kms_cursor_legacy@flip-vs-cursor.*
Fixes: 003048ddf44b ("drm/amd/display: Check all enabled planes in dm_check_crtc_cursor")
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 003048ddf44b1a6cfa57afa5a0cf40673e13f1ba ]
It was only checking planes which had any state changes in the same
commit. However, it also needs to check other enabled planes.
Not doing this meant that a commit might spuriously "succeed", resulting
in the cursor plane displaying with incorrect scaling. See
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3177#note_1824263
for an example.
Fixes: d1bfbe8a3202 ("amd/display: check cursor plane matches underlying plane")
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7bfaa160caed8192f8262c4638f552cad94bcf5a ]
This patch fixes:
1: ref number of prange's svm_bo got decreased by an async call from hmm. When
wait svm_bo of prange got released we shoul also wait prang->svm_bo become NULL,
otherwise prange->svm_bo may be set to null after allocate new vram buffer.
2: During waiting svm_bo of prange got released in a while loop should reschedule
current task to give other tasks oppotunity to run, specially the the workque
task that handles svm_bo ref release, otherwise we may enter to softlock.
Signed-off-by: Xiaogang.Chen <xiaogang.chen@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit f1dabbe645065d20ca863c8d446c74c59ca1ca9d ]
The tc358768_ns_to_cnt() is, most likely, supposed to do a div-round-up
operation, but it misses subtracting one from the dividend.
Fix this by just using DIV_ROUND_UP().
Fixes: ff1ca6397b1d ("drm/bridge: Add tc358768 driver")
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Tested-by: Maxim Schwalm <maxim.schwalm@gmail.com> # Asus TF700T
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230906-tc358768-v4-11-31725f008a50@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b3aa7b34924a9ed64cf96899cac4d8ea08cd829e ]
The driver defines TC358768_PRECISION as 1000, and uses "nsk" to refer
to clock periods. The original author does not remember where all this
came from. Effectively the driver is using picoseconds as the unit for
clock periods, yet referring to them by "nsk".
Clean this up by just saying the periods are in picoseconds.
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Tested-by: Maxim Schwalm <maxim.schwalm@gmail.com> # Asus TF700T
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230906-tc358768-v4-10-31725f008a50@ideasonboard.com
Stable-dep-of: f1dabbe64506 ("drm/bridge: tc358768: Fix tc358768_ns_to_cnt()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 699cf62a7d4550759f4a50e614b1952f93de4783 ]
The Toshiba documentation talks about HSByteClk when referring to the
DSI HS byte clock, whereas the driver uses 'dsibclk' name. Also, in a
few places the driver calculates the byte clock from the DSI clock, even
if the byte clock is already available in a variable.
To align the driver with the documentation, change the 'dsibclk'
variable to 'hsbyteclk'. This also make it easier to visually separate
'dsibclk' and 'dsiclk' variables.
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Tested-by: Maxim Schwalm <maxim.schwalm@gmail.com> # Asus TF700T
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230906-tc358768-v4-9-31725f008a50@ideasonboard.com
Stable-dep-of: f1dabbe64506 ("drm/bridge: tc358768: Fix tc358768_ns_to_cnt()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 89cfd50e13f1bead4350998a3a77422bef1ee0a5 ]
Simplify the code by capturing the priv->dev value to dev variable, and
use it.
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Tested-by: Maxim Schwalm <maxim.schwalm@gmail.com> # Asus TF700T
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230906-tc358768-v4-8-31725f008a50@ideasonboard.com
Stable-dep-of: f1dabbe64506 ("drm/bridge: tc358768: Fix tc358768_ns_to_cnt()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 013ea98cdfccef3b7c38b087c1f629488d2ef683 ]
The driver debug prints DSI related timings as raw register values in
hex. It is much more useful to see the "logical" value of the timing,
not the register value.
Change the prints to print the values separately, in case a single
register contains multiple values, and use %u to have it in a more human
consumable form.
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Tested-by: Maxim Schwalm <maxim.schwalm@gmail.com> # Asus TF700T
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230906-tc358768-v4-7-31725f008a50@ideasonboard.com
Stable-dep-of: f1dabbe64506 ("drm/bridge: tc358768: Fix tc358768_ns_to_cnt()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit e5fb21678136a9d009d5c43821881eb4c34fae97 ]
The TC358768 documentation uses HFP, HBP, etc. values to deal with the
video mode, while the driver currently uses the DRM display mode
(htotal, hsync_start, etc).
Change the driver to convert the DRM display mode to struct videomode,
which then allows us to use the same units the documentation uses. This
makes it much easier to work on the code when using the TC358768
documentation as a reference.
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Tested-by: Maxim Schwalm <maxim.schwalm@gmail.com> # Asus TF700T
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230906-tc358768-v4-6-31725f008a50@ideasonboard.com
Stable-dep-of: f1dabbe64506 ("drm/bridge: tc358768: Fix tc358768_ns_to_cnt()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit e4a5e4442a8065c6959e045c061de801d545226d ]
Remove the unused phy_delay_nsk variable, before it was wrongly used
to compute some register value, the fixed computation is no longer using
it and therefore can be removed.
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-10-francesco@dolcini.it
Stable-dep-of: f1dabbe64506 ("drm/bridge: tc358768: Fix tc358768_ns_to_cnt()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 66962d5c3c51377b9b90cae35b7e038950438e02 ]
The driver has a few places where it does:
if (thing_is_enabled_in_config)
update_thing_bit_in_hw()
This means that if the thing is _not_ enabled, the bit never gets
cleared. This affects the h/vsyncs and continuous DSI clock bits.
Fix the driver to always update the bit.
Fixes: ff1ca6397b1d ("drm/bridge: Add tc358768 driver")
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Tested-by: Maxim Schwalm <maxim.schwalm@gmail.com> # Asus TF700T
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230906-tc358768-v4-4-31725f008a50@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit f45acf7acf75921c0409d452f0165f51a19a74fd ]
The driver does not call drm_bridge_attach(), which causes the next
bridge to not be added to the bridge chain. This causes the pipeline
init to fail when DRM_BRIDGE_ATTACH_NO_CONNECTOR is used.
Add the call to drm_bridge_attach().
Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230804-lt8912b-v1-4-c542692c6a2f@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6985c5efc4057bc79137807295d84ada3123d051 ]
lt8912b only calls drm_bridge_hpd_enable() if it creates a connector and
the next bridge has DRM_BRIDGE_OP_HPD set. However, when calling
drm_bridge_hpd_disable() it misses checking if a connector was created,
calling drm_bridge_hpd_disable() even if HPD was never enabled. I don't
see any issues caused by this wrong call, though.
Add the check to avoid wrongly calling drm_bridge_hpd_disable().
Fixes: 3b0a01a6a522 ("drm/bridge: lt8912b: Add hot plug detection")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230804-lt8912b-v1-3-c542692c6a2f@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 941882a0e96d245f38116e940912b404b6a93c6f ]
The driver calls lt8912_bridge_detach() from its lt8912_remove()
function. As the DRM core detaches bridges automatically, this leads to
calling lt8912_bridge_detach() twice. The code probably has tried to
manage the double-call with the 'is_attached' variable, but the driver
never sets the variable to false, so its of no help.
Fix the issue by dropping the call to lt8912_bridge_detach() from
lt8912_remove(), as the DRM core will handle the detach call for us,
and also drop the useless is_attached field.
Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230804-lt8912b-v1-1-c542692c6a2f@ideasonboard.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3b0a01a6a5224ed9b3f69f44edaa889b2e2b9779 ]
Enable hot plug detection when it is available on the HDMI port.
Without this connecting to a different monitor with incompatible timing
before the 10 seconds poll period will lead to a broken display output.
Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Adrien Grassein <adrien.grassein@gmail.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/20221128112320.25708-1-francesco@dolcini.it
Stable-dep-of: 941882a0e96d ("drm/bridge: lt8912b: Fix bridge_detach")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d0375f6858c4ff7244b62b02eb5e93428e1916cd ]
Fix the NULL pointer dereference when no monitor is connected, and the
sound card is opened from userspace.
Instead return an empty buffer (of zeroes) as the EDID information to
the sound framework if there is no connector attached.
Fixes: e0fd83dbe924 ("drm: bridge: it66121: Add audio support")
Reported-by: Nishanth Menon <nm@ti.com>
Closes: https://lore.kernel.org/all/20230825105849.crhon42qndxqif4i@gondola/
Reviewed-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230901-it66121_edid-v2-1-aa59605336b9@ti.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit dd05484f99d16715a88eedfca363828ef9a4c2d4 ]
Buffer 'afmt_status' of size 6 could overflow, since index 'afmt_idx' is
checked after access.
Fixes: 5cc4e5fc293b ("drm/radeon: Cleanup HDMI audio interrupt handling for evergreen")
Co-developed-by: Ivanov Mikhail <ivanov.mikhail1@huawei-partners.com>
Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 342f7e4967d02b0ec263b15916304fc54841b608 ]
It's possible for users to try to duplicate the CRTC state even when the
state doesn't exist. drm_atomic_helper_crtc_duplicate_state() (and other
users of __drm_atomic_helper_crtc_duplicate_state()) already guard this
with a WARN_ON() instead of crashing, so let's do that here too.
Fixes: 604be85547ce ("drm/rockchip: Add VOP2 driver")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230621223311.2239547-5-jonas@kwiboo.se
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5aacd290837828c089a83ac9795c74c4c9e2c923 ]
Allocation of crtc_state may fail in vop_crtc_reset, causing an invalid
pointer to be passed to __drm_atomic_helper_crtc_reset.
Fix this by adding a NULL check of crtc_state, similar to other drivers.
Fixes: 01e2eaf40c9d ("drm/rockchip: Convert to using __drm_atomic_helper_crtc_reset() for reset.")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230621223311.2239547-4-jonas@kwiboo.se
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 13fc28804bf10ca0b7bce3efbba95c534836d7ca ]
struct rockchip_crtc_state members such as output_type, output_bpc and
enable_afbc is always reset to zero in the atomic_duplicate_state crtc
funcs.
Fix this by using kmemdup on the subclass rockchip_crtc_state struct.
Fixes: 4e257d9eee23 ("drm/rockchip: get rid of rockchip_drm_crtc_mode_config")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230621223311.2239547-2-jonas@kwiboo.se
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b7c3ca3553d1de5e86c85636828e186d30cd0628 ]
The value of 'ret' is zero when of_hte_req_count() fails to get number
of entitties to timestamp. And returning success(zero) on this failure
path is incorrect.
Fixes: 9a75a7cd03c9 ("hte: Add Tegra HTE test driver")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reviewed-by: Dipen Patel <dipenp@nvidia.com>
Signed-off-by: Dipen Patel <dipenp@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7da8a635436029957c5350da3acf51d78ed64071 ]
When the lock bit inside SCH5627_REG_CTRL is set, then the virtual
registers become read-only until the next power cycle.
Disallow write access to those registers in such a case.
Tested on a Fujitsu Esprimo P720.
Fixes: aa9f833dfc12 ("hwmon: (sch5627) Add pwmX_auto_channels_temp support")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230907052639.16491-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7f0b28e0653f36b51542d25dd54ed312c397ecfc ]
Use bit macros then accessing SCH5627_REG_CTRL, so that people
do not need to look at the datasheet to find out what each bit
does.
Tested on a Fujitsu Esprimo P720.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230907052639.16491-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Stable-dep-of: 7da8a6354360 ("hwmon: (sch5627) Disallow write access if virtual registers are locked")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d621a46d05107f4e510383d6a38f2160c62d28f7 ]
This reverts commit 393935baa45e5ccb9603cf7f9f020ed1bc0915f7.
As reported by Ian Nartowicz, this and the next patch
result in a failure to load the driver on Celsius W280.
While the alternative would be to add the board to the DMI
override table, it is quite likely that other systems are
also affected. Revert the offending patches to avoid future
problems.
Fixes: 393935baa45e ("hwmon: (sch56xx-common) Add automatic module loading on supported devices")
Reported-by: Ian Nartowicz <deadbeef@nartowicz.co.uk>
Closes: https://lore.kernel.org/linux-hwmon/20231025192239.3c5389ae@debian.org/T/#t
Cc: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 28da9dee3594423534f3ea1e1f61e6bb2d2fa651 ]
This reverts commit fd2d53c367ae9983c2100ac733a834e0c79d7537.
As reported by Ian Nartowicz, this and the preceding patch
result in a failure to load the driver on Celsius W280.
While the alternative would be to add the board to the DMI
override table, it is quite likely that other systems are
also affected. Revert the offending patches to avoid future
problems.
Fixes: fd2d53c367ae ("hwmon: (sch56xx-common) Add DMI override table")
Reported-by: Ian Nartowicz <deadbeef@nartowicz.co.uk>
Closes: https://lore.kernel.org/linux-hwmon/20231025192239.3c5389ae@debian.org/T/#t
Cc: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit bbfff736d30e5283ad09e748caff979d75ddef7f ]
When build with W=1 and "-Werror=format-truncation", below error is
observed in coretemp driver,
drivers/hwmon/coretemp.c: In function 'create_core_data':
>> drivers/hwmon/coretemp.c:393:34: error: '%s' directive output may be truncated writing likely 5 or more bytes into a region of size between 3 and 13 [-Werror=format-truncation=]
393 | "temp%d_%s", attr_no, suffixes[i]);
| ^~
drivers/hwmon/coretemp.c:393:26: note: assuming directive output of 5 bytes
393 | "temp%d_%s", attr_no, suffixes[i]);
| ^~~~~~~~~~~
drivers/hwmon/coretemp.c:392:17: note: 'snprintf' output 7 or more bytes (assuming 22) into a destination of size 19
392 | snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
393 | "temp%d_%s", attr_no, suffixes[i]);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Given that
1. '%d' could take 10 charactors,
2. '%s' could take 10 charactors ("crit_alarm"),
3. "temp", "_" and the NULL terminator take 6 charactors,
fix the problem by increasing CORETEMP_NAME_LENGTH to 28.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Fixes: 7108b80a542b ("hwmon/coretemp: Handle large core ID value")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310200443.iD3tUbbK-lkp@intel.com/
Link: https://lore.kernel.org/r/20231025122316.836400-1-rui.zhang@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 2a5b3370a1d9750eca325292e291c8c7cb8cf2e0 ]
axi_fan_control_irq_handler(), dependent on the private
axi_fan_control_data structure, might be called before the hwmon
device is registered. That will cause an "Unable to handle kernel
NULL pointer dereference" error.
Fixes: 8412b410fa5e ("hwmon: Support ADI Fan Control IP")
Signed-off-by: Dragos Bogdan <dragos.bogdan@analog.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20231025132100.649499-1-nuno.sa@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit eba9ac7abab91c8f6d351460239108bef5e7a0b6 ]
Since commit fa1f68db6ca7 ("drivers: misc: pass miscdevice pointer via
file private data"), the miscdevice stores a pointer to itself inside
filp->private_data, which means that private_data will not be NULL when
wmi_char_open() is called. This might cause memory corruption should
wmi_char_open() be unable to find its driver, something which can
happen when the associated WMI device is deleted in wmi_free_devices().
Fix the problem by using the miscdevice pointer to retrieve the WMI
device data associated with a char device using container_of(). This
also avoids wmi_char_open() picking a wrong WMI device bound to a
driver with the same name as the original driver.
Fixes: 44b6b7661132 ("platform/x86: wmi: create userspace interface for drivers")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20231020211005.38216-5-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ed85891a276edaf7a867de0e9acd0837bc3008f2 ]
When a WMI device besides the first one somehow fails to register,
retval is returned while still containing a negative error code. This
causes the ACPI device fail to probe, leaving behind zombie WMI devices
leading to various errors later.
Handle the single error path separately and return 0 unconditionally
after trying to register all WMI devices to solve the issue. Also
continue to register WMI devices even if some fail to allocate memory.
Fixes: 6ee50aaa9a20 ("platform/x86: wmi: Instantiate all devices before adding them")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20231020211005.38216-4-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0d6e24b422a2166a9297a8286ff2e6ab9a5e8cd3 ]
Add the check for the return value of mtk_alloc_clk_data() in order to
avoid NULL pointer dereference.
Fixes: e9862118272a ("clk: mediatek: Add MT2701 clock support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230901024658.23405-1-jiasheng@iscas.ac.cn
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 2befa515c1bb6cdd33c262b909d93d1973a219aa ]
Add the check for the return value of mtk_alloc_clk_data() in order to
avoid NULL pointer dereference.
Fixes: 3b5e748615e7 ("clk: mediatek: add clock support for MT7629 SoC")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-5-jiasheng@iscas.ac.cn
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0884393c63cc9a1772f7121a6645ba7bd76feeb9 ]
Add the check for the return value of mtk_alloc_clk_data() in order to
avoid NULL pointer dereference.
Fixes: 3b5e748615e7 ("clk: mediatek: add clock support for MT7629 SoC")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-4-jiasheng@iscas.ac.cn
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 606f6366a35a3329545e38129804d65ef26ed7d2 ]
Add the check for the return value of mtk_alloc_clk_data() in order to
avoid NULL pointer dereference.
Fixes: 96596aa06628 ("clk: mediatek: add clk support for MT6797")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-3-jiasheng@iscas.ac.cn
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1f57f78fbacf630430bf954e5a84caafdfea30c0 ]
Add the check for the return value of mtk_alloc_clk_data() in order to
avoid NULL pointer dereference.
Fixes: 710774e04861 ("clk: mediatek: Add MT6779 clock support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-2-jiasheng@iscas.ac.cn
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b82681042724924ae3ba0f2f2eeec217fa31e830 ]
Add the check for the return value of mtk_alloc_clk_data() in order to
avoid NULL pointer dereference.
Fixes: 1aca9939bf72 ("clk: mediatek: Add MT6765 clock support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-1-jiasheng@iscas.ac.cn
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7af5b9eadd64c9e02a71f97c45bcdf3b64841f6b ]
The "div" pointer is freed in _register_divider() and again in
of_ti_divider_clk_setup(). Delete the free in _register_divider()
Fixes: fbbc18591585 ("clk: ti: divider: cleanup _register_divider and ti_clk_get_div_table")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/6d36eeec-6c8a-4f11-a579-aa3cd7c38749@moroto.mountain
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3400d546a741a2b2001d88e7fa29110d45a3930d ]
The ti_clk_register() and ti_clk_register_omap_hw() functions are always
called with the parameter of type "struct device" set to NULL, since the
functions from which they are called always have a parameter of type
"struct device_node". Replacing "struct device" type parameter with
"struct device_node" will allow you to register a TI clock to the common
clock framework by taking advantage of the facilities provided by the
"struct device_node" type. Further, adding the "of_" prefix to the name
of these functions explicitly binds them to the "struct device_node"
type.
The patch has been tested on a Beaglebone board.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20221113181147.1626585-1-dario.binacchi@amarulasolutions.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Stable-dep-of: 7af5b9eadd64 ("clk: ti: fix double free in of_ti_divider_clk_setup()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit c3aa5cb264a38ae9bbcce32abca4c155af0456df ]
AHB memory as MMIO should be mapped with ioremap rather than ioremap_wc,
which should have been used initially just to handle unaligned access as
a workaround.
Fixes: d166a73503ef ("spi: fspi: dynamically alloc AHB memory")
Signed-off-by: Han Xu <han.xu@nxp.com>
Link: https://lore.kernel.org/r/20231010201524.2021340-1-han.xu@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 84aefafe6b294041b7fa0757414c4a29c1bdeea2 ]
Fix spelling of "Structure".
Fix multiple kernel-doc warnings:
clk-provider.h:269: warning: Function parameter or member 'recalc_rate' not described in 'clk_ops'
clk-provider.h:468: warning: Function parameter or member 'parent_data' not described in 'clk_hw_register_fixed_rate_with_accuracy_parent_data'
clk-provider.h:468: warning: Excess function parameter 'parent_name' description in 'clk_hw_register_fixed_rate_with_accuracy_parent_data'
clk-provider.h:482: warning: Function parameter or member 'parent_data' not described in 'clk_hw_register_fixed_rate_parent_accuracy'
clk-provider.h:482: warning: Excess function parameter 'parent_name' description in 'clk_hw_register_fixed_rate_parent_accuracy'
clk-provider.h:687: warning: Function parameter or member 'flags' not described in 'clk_divider'
clk-provider.h:1164: warning: Function parameter or member 'flags' not described in 'clk_fractional_divider'
clk-provider.h:1164: warning: Function parameter or member 'approximation' not described in 'clk_fractional_divider'
clk-provider.h:1213: warning: Function parameter or member 'flags' not described in 'clk_multiplier'
Fixes: 9fba738a53dd ("clk: add duty cycle support")
Fixes: b2476490ef11 ("clk: introduce the common clock framework")
Fixes: 2d34f09e79c9 ("clk: fixed-rate: Add support for specifying parents via DT/pointers")
Fixes: f5290d8e4f0c ("clk: asm9260: use parent index to link the reference clock")
Fixes: 9d9f78ed9af0 ("clk: basic clock hardware types")
Fixes: e2d0e90fae82 ("clk: new basic clk type for fractional divider")
Fixes: f2e0a53271a4 ("clk: Add a basic multiplier clock")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org
Link: https://lore.kernel.org/r/20230930221428.18463-1-rdunlap@infradead.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a2b23159499efd36b2d63b3c4534075d12ddc97a ]
According to the hardware manual for RZ/G2L
(r01uh0914ej0130-rzg2l-rzg2lc.pdf), the computation formula for PLL rate
is as follows:
Fout = ((m + k/65536) * Fin) / (p * 2^s)
and k has values in the range [-32768, 32767]. Dividing k by 65536 with
integer arithmetic gives zero all the time, causing slight differences
b/w what has been set vs. what is displayed. Thus, get rid of this and
decompose the formula before dividing k by 65536.
Fixes: ef3c613ccd68a ("clk: renesas: Add CPG core wrapper for RZ/G2L SoC")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230929053915.1530607-6-claudiu.beznea@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit bf51d3b2d048c312764a55d91d67a85ee5535e31 ]
The onitial value of the CPG_PL2SDHI_DSEL bits 0..1 or 4..6 is 01b. The
hardware user's manual (r01uh0914ej0130-rzg2l-rzg2lc.pdf) specifies that
setting 0 is prohibited. Hence rzg2l_cpg_sd_clk_mux_get_parent() should
just read CPG_PL2SDHI_DSEL, trust the value, and return the proper clock
parent index based on the value read.
Fixes: eaff33646f4cb ("clk: renesas: rzg2l: Add SDHI clk mux support")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230929053915.1530607-5-claudiu.beznea@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d2692ed490e680a41401cef879adebcfafb4298f ]
The SD MUX output (SD0) is further divided by 4 in G2{L,UL}. The
divided clock is SD0_DIV4. SD0_DIV4 is registered with
CLK_SET_RATE_PARENT which means a rate request for it is propagated to
the MUX and could reach rzg2l_cpg_sd_clk_mux_set_parent() concurrently
with the users of SD0.
Add proper locking to avoid concurrent accesses on SD MUX set rate
registers.
Fixes: eaff33646f4cb ("clk: renesas: rzg2l: Add SDHI clk mux support")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230929053915.1530607-4-claudiu.beznea@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
