id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
c944bf60c16a65ae812a59fd1b66f6c9e18c91c9
Analyze and fix the following issue in the Linux kernel code: lib/alloc_tag: do not register sysctl interface when CONFIG_SYSCTL=n
Problem Details: Memory allocation profiling is trying to register sysctl interface even when CONFIG_SYSCTL=n, resulting in proc_do_static_key() being undefined. Prevent that by skipping sysctl registration for such configurations. Link: https://lkml.kernel.org/r/20240601233831.617124-1-surenb@google.com Fixes: 22d40...
```diff diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c index 11ed973ac359..c347b8b72d78 100644 --- a/lib/alloc_tag.c +++ b/lib/alloc_tag.c @@ -227,6 +227,7 @@ struct page_ext_operations page_alloc_tagging_ops = { }; EXPORT_SYMBOL(page_alloc_tagging_ops); +#ifdef CONFIG_SYSCTL static struct ctl_table memory_allocat...
384a746bb55960aa5ffb3a67de08f11fc2f51042
Analyze and fix the following issue in the Linux kernel code: Revert "mm: init_mlocked_on_free_v3"
Problem Details: There was insufficient review and no agreement that this is the right approach. There are serious flaws with the implementation that make processes using mlock() not even work with simple fork() [1] and we get reliable crashes when rebooting. Further, simply because we might be unmapping a single PTE...
```diff diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index b600df82669d..11e57ba2985c 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2192,12 +2192,6 @@ Format: 0 | 1 Default ...
8bb592c2eca8fd2bc06db7d80b38da18da4a2f43
Analyze and fix the following issue in the Linux kernel code: mm/page_table_check: fix crash on ZONE_DEVICE
Problem Details: Not all pages may apply to pgtable check. One example is ZONE_DEVICE pages: they map PFNs directly, and they don't allocate page_ext at all even if there's struct page around. One may reference devm_memremap_pages(). When both ZONE_DEVICE and page-table-check enabled, then try to map some dax memori...
```diff diff --git a/mm/page_table_check.c b/mm/page_table_check.c index 4169576bed72..509c6ef8de40 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -73,6 +73,9 @@ static void page_table_check_clear(unsigned long pfn, unsigned long pgcnt) page = pfn_to_page(pfn); page_ext = page_ext_get(page); + ...
8e5bd4eadd01ea0c47f3a1c798815849f813a700
Analyze and fix the following issue in the Linux kernel code: gcc: disable '-Warray-bounds' for gcc-9
Problem Details: '-Warray-bounds' is already disabled for gcc-10+. Now that we've merged bitmap_{read,write), I see the following error when building the kernel with gcc-9.4 (Ubuntu 20.04.4 LTS) for x86_64 allmodconfig: drivers/pinctrl/pinctrl-cy8c95x0.c: In function `cy8c95x0_read_regs_mask.isra.0': include/linux/bi...
```diff diff --git a/init/Kconfig b/init/Kconfig index 72404c1f2157..febdea2afc3b 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -883,7 +883,7 @@ config GCC10_NO_ARRAY_BOUNDS config CC_NO_ARRAY_BOUNDS bool - default y if CC_IS_GCC && GCC_VERSION >= 100000 && GCC10_NO_ARRAY_BOUNDS + default y if CC_IS_GCC && GCC_V...
685d03c3795378fca6a1b3d43581f7f1a3fc095f
Analyze and fix the following issue in the Linux kernel code: ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger()
Problem Details: bdev->bd_super has been removed and commit 8887b94d9322 change the usage from bdev->bd_super to b_assoc_map->host->i_sb. Since ocfs2 hasn't set bh->b_assoc_map, it will trigger NULL pointer dereference when calling into ocfs2_abort_trigger(). Actually this was pointed out in history, see commit 74e36...
```diff diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 27c7683c7d3f..86807086b2df 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -479,12 +479,6 @@ bail: return status; } - -struct ocfs2_triggers { - struct jbd2_buffer_trigger_type ot_triggers; - int ot_offset; -}; - static inline struc...
58f7e1e2c9e72c7974054c64c3abeac81c11f822
Analyze and fix the following issue in the Linux kernel code: ocfs2: fix NULL pointer dereference in ocfs2_journal_dirty()
Problem Details: bdev->bd_super has been removed and commit 8887b94d9322 change the usage from bdev->bd_super to b_assoc_map->host->i_sb. This introduces the following NULL pointer dereference in ocfs2_journal_dirty() since b_assoc_map is still not initialized. This can be easily reproduced by running xfstests generi...
```diff diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 604fea3a26ff..27c7683c7d3f 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -778,13 +778,15 @@ void ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh) if (!is_handle_aborted(handle)) { journal_t *journal = handle->h_transact...
7cd3e586068aca123ff244fc259ba62ba96b6d31
Analyze and fix the following issue in the Linux kernel code: dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: drop second output clock name
Problem Details: There is no need to specify exact name for the second (AUX) output clock. It has never been used for the lookups based on the system clock name. Partially revert commit 72bea132f368 ("dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: document PHY AUX clock on SM8[456]50 SoCs"), returning compatibility with...
```diff diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml index 16634f73bdcf..03dbd02cf9e7 100644 --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml +++ b/Documentation/devicetree/bindings/p...
912cee11c14376a6f707d72fcaf343a40bff48e8
Analyze and fix the following issue in the Linux kernel code: phy: qcom: qmp-pcie: restore compatibility with existing DTs
Problem Details: Existing device trees specify only a single clock-output-name for the PCIe PHYs. The function phy_aux_clk_register() expects a second entry in that property. When it doesn't find it, it returns an error, thus failing the probe of the PHY and thus breaking support for the corresponding PCIe host. Follo...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index 8cb91b9114d6..5b36cc7ac78b 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -4033,14 +4033,11 @@ static int phy_aux_clk_register(struct qmp_pcie *qmp, str...
68e5afd8f440a2cc18deb53ae151aa74e2a8eced
Analyze and fix the following issue in the Linux kernel code: watchdog: lenovo_se10_wdt: add HAS_IOPORT dependency
Problem Details: Once the inb()/outb() helpers become conditional, the newly added driver fails to link on targets without CONFIG_HAS_IOPORT: In file included from arch/arm64/include/asm/io.h:299, from include/linux/io.h:14, from drivers/watchdog/lenovo_se10_wdt.c:8: drivers/watchdog/...
```diff diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 85eea38dbdf4..2882944d23cc 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -257,6 +257,7 @@ config GPIO_WATCHDOG_ARCH_INITCALL config LENOVO_SE10_WDT tristate "Lenovo SE10 Watchdog" depends on (X86 && DMI) || COM...
45ebbbbeaa33da4a6dbc532ebc57d20de4b60a82
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt/uc: Fix typo in comment
Problem Details: Replace "dynmically" with "dynamically". Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Cc: John Harrison <John.C.Harrison@Intel.com> Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240613222837.552277-1-andi.shyti@linux.intel.com
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h index 14797e80bc92..263c9c3f6a03 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h @@ -295,7 +295,7 @@ struct guc_update_scheduling_policy_header { } _...
fd404435d44b453d62afe77545b9252c2cc72c8a
Analyze and fix the following issue in the Linux kernel code: media: ivsc: Depend on IPU_BRIDGE or not IPU_BRIDGE
Problem Details: The ivsc drivers may use the ipu-bridge but currently it's possible to link the ivsc to the kernel and ipu-bridge as a module. This won't work. Require that the ipu-bridge is either linked to the kernel or disabled if ivsc is linked to the kernel as well, by depending on IPU_BRIDGE or !IPU_BRIDGE. Rep...
```diff diff --git a/drivers/media/pci/intel/ivsc/Kconfig b/drivers/media/pci/intel/ivsc/Kconfig index 407a800c81bc..a7d9607ecdc6 100644 --- a/drivers/media/pci/intel/ivsc/Kconfig +++ b/drivers/media/pci/intel/ivsc/Kconfig @@ -4,6 +4,7 @@ config INTEL_VSC tristate "Intel Visual Sensing Controller" depends on INTEL...
ed221d668115ff8381761f9f0a2bc8d56a975fdd
Analyze and fix the following issue in the Linux kernel code: media: intel/ipu6: Fix a null pointer dereference in ipu6_isys_query_stream_by_source
Problem Details: stream is NULL when source is less than 0 in ipu6_isys_query_stream_by_source. It's a null pointer dereference. Actually, this should be isys->adev->auxdev.dev. Fixes: 3c1dfb5a69cf ("media: intel/ipu6: input system video nodes and buffer queues") Signed-off-by: Hao Ge <gehao@kylinos.cn> Signed-off-by...
```diff diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-video.c b/drivers/media/pci/intel/ipu6/ipu6-isys-video.c index c8a33e1e910c..06090cc0a476 100644 --- a/drivers/media/pci/intel/ipu6/ipu6-isys-video.c +++ b/drivers/media/pci/intel/ipu6/ipu6-isys-video.c @@ -943,7 +943,7 @@ ipu6_isys_query_stream_by_source(stru...
62028aa0b1bee4394ff683bcab692305143d8903
Analyze and fix the following issue in the Linux kernel code: media: ipu6: Use the ISYS auxdev device as the V4L2 device's device
Problem Details: The V4L2 device has a struct device field used for a number of purposes, one of which determining whether a created sub-device needs to increment the module's use count to avoid unloading the module. Thus the owner field in this case must refer to the ipu6-isys module, corresponding to the auxdev of th...
```diff diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys.c b/drivers/media/pci/intel/ipu6/ipu6-isys.c index 8b9b77719bb1..c4aff2e2009b 100644 --- a/drivers/media/pci/intel/ipu6/ipu6-isys.c +++ b/drivers/media/pci/intel/ipu6/ipu6-isys.c @@ -799,7 +799,7 @@ static int isys_register_devices(struct ipu6_isys *isys) is...
971b4eef86ccb8b107ad2875993e510eec4fdeae
Analyze and fix the following issue in the Linux kernel code: media: i2c: ov5647: replacing of_node_put with __free(device_node)
Problem Details: Replace instance of of_node_put with __free(device_node) to protect against any memory leaks due to future changes in control flow. Signed-off-by: Abdulrasaq Lawani <abdulrasaqolawani@gmail.com> Acked-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.i...
```diff diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c index 7e1ecdf2485f..0fb4d7bff9d1 100644 --- a/drivers/media/i2c/ov5647.c +++ b/drivers/media/i2c/ov5647.c @@ -1360,24 +1360,21 @@ static int ov5647_parse_dt(struct ov5647 *sensor, struct device_node *np) struct v4l2_fwnode_endpoint bus_cfg =...
15765ff7147e9ca45079c1a5e37c35052d57381a
Analyze and fix the following issue in the Linux kernel code: media: i2c: vgxy61: Fix device name
Problem Details: Rename 'st-vgxy61' to 'vgxy61', dropping the vendor prefix to follow the same naming scheme as the vast majority of device drivers. The device tree binding does not fall into binding rename exceptions and therefore must not be changed. Keep its legacy name. Signed-off-by: Benjamin Mugnier <benjamin.mu...
```diff diff --git a/Documentation/userspace-api/media/drivers/index.rst b/Documentation/userspace-api/media/drivers/index.rst index 2252063593bf..d706cb47b112 100644 --- a/Documentation/userspace-api/media/drivers/index.rst +++ b/Documentation/userspace-api/media/drivers/index.rst @@ -35,6 +35,6 @@ For more details se...
3cdc776e0a5f1784c3ae5d3371b64215c228bf1f
Analyze and fix the following issue in the Linux kernel code: media: i2c: imx219: fix msr access command sequence
Problem Details: It was reported to me that the imx219 didn't work on one of our development kits partly because the access sequence is incorrect. The datasheet I could find [1] for this camera has the access sequence: Seq. No. Address (Hex) data 1 30EB 05 2 30EB 0C 3 300A ...
```diff diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c index 51ebf5453fce..e78a80b2bb2e 100644 --- a/drivers/media/i2c/imx219.c +++ b/drivers/media/i2c/imx219.c @@ -162,8 +162,8 @@ static const struct cci_reg_sequence imx219_common_regs[] = { { IMX219_REG_MODE_SELECT, 0x00 }, /* Mode Select */ ...
a50a2a3242f35dd551d89a6bad17255a410ba955
Analyze and fix the following issue in the Linux kernel code: media: i2c: alvium: Move V4L2_CID_GAIN to V4L2_CID_ANALOG_GAIN
Problem Details: Into alvium cameras REG_BCRM_GAIN_RW control the analog gain. Let's use the right V4L2_CID_ANALOGUE_GAIN ctrl. Fixes: 0a7af872915e ("media: i2c: Add support for alvium camera") Cc: stable@vger.kernel.org Signed-off-by: Tommaso Merciai <tomm.merciai@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@...
```diff diff --git a/drivers/media/i2c/alvium-csi2.c b/drivers/media/i2c/alvium-csi2.c index c27c6fcaede4..5ddfd3dcb188 100644 --- a/drivers/media/i2c/alvium-csi2.c +++ b/drivers/media/i2c/alvium-csi2.c @@ -1998,7 +1998,7 @@ static int alvium_g_volatile_ctrl(struct v4l2_ctrl *ctrl) int val; switch (ctrl->id) { - ...
50b631c6ecb33d45fe6919645bf19fdd3ab82f26
Analyze and fix the following issue in the Linux kernel code: media: i2c: alvium: enable acquisition frame rate
Problem Details: Alvium camera by default is in free running mode. Datasheet say that acquisition frame rate reg can only be used if frame start trigger mode is set to off. Enable r/w acquisition frame rate and turn off trigger mode. Signed-off-by: Tommaso Merciai <tomm.merciai@gmail.com> [Sakari Ailus: Fix spelling o...
```diff diff --git a/drivers/media/i2c/alvium-csi2.c b/drivers/media/i2c/alvium-csi2.c index 7a38c424ea48..a88809333e56 100644 --- a/drivers/media/i2c/alvium-csi2.c +++ b/drivers/media/i2c/alvium-csi2.c @@ -1189,6 +1189,20 @@ static int alvium_set_frame_rate(struct alvium_dev *alvium, u64 fr) struct device *dev = &al...
6be70e7981a00412b3fa99ab3b3f13ce908c0718
Analyze and fix the following issue in the Linux kernel code: media: i2c: alvium: rename acquisition frame rate enable reg
Problem Details: Acquisition frame rate enable reg have a very long name let's reduce this with an abbreviation. Signed-off-by: Tommaso Merciai <tomm.merciai@gmail.com> [Sakari Ailus: Fix spelling of "acquisition".] Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@...
```diff diff --git a/drivers/media/i2c/alvium-csi2.h b/drivers/media/i2c/alvium-csi2.h index ed712ad44899..978af44f76c7 100644 --- a/drivers/media/i2c/alvium-csi2.h +++ b/drivers/media/i2c/alvium-csi2.h @@ -63,7 +63,7 @@ #define REG_BCRM_ACQUISITION_FRAME_RATE_MIN_R REG_BCRM_V4L2_64BIT(0x0098) #define REG_BCRM_ACQUI...
44d0ed23e5028f5a46c94df5f7c1cb5f9f7afb33
Analyze and fix the following issue in the Linux kernel code: media: i2c: alvium: fix alvium_get_fw_version()
Problem Details: Instead of reading device_fw reg as multiple regs let's read the entire 64bit reg using one i2c read and use bit masks and bit shifts to get fw info. Signed-off-by: Tommaso Merciai <tomm.merciai@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil...
```diff diff --git a/drivers/media/i2c/alvium-csi2.c b/drivers/media/i2c/alvium-csi2.c index e65702e3f73e..7a38c424ea48 100644 --- a/drivers/media/i2c/alvium-csi2.c +++ b/drivers/media/i2c/alvium-csi2.c @@ -403,21 +403,22 @@ static int alvium_get_bcrm_vers(struct alvium_dev *alvium) static int alvium_get_fw_version(st...
a813f168336ec4ef725b836e598cd9dc14f76dd7
Analyze and fix the following issue in the Linux kernel code: media: ivsc: csi: don't count privacy on as error
Problem Details: Prior to the ongoing command privacy is on, it would return -1 to indicate the current privacy status, and the ongoing command would be well executed by firmware as well, so this is not error. This patch changes its behavior to notify privacy on directly by V4L2 privacy control instead of reporting err...
```diff diff --git a/drivers/media/pci/intel/ivsc/mei_csi.c b/drivers/media/pci/intel/ivsc/mei_csi.c index c6d8f72e4eec..16791a7f4f15 100644 --- a/drivers/media/pci/intel/ivsc/mei_csi.c +++ b/drivers/media/pci/intel/ivsc/mei_csi.c @@ -192,7 +192,11 @@ static int mei_csi_send(struct mei_csi *csi, u8 *buf, size_t len) ...
c6be6471004e0e4d10d0514146d8c41550823d63
Analyze and fix the following issue in the Linux kernel code: media: ivsc: csi: add separate lock for v4l2 control handler
Problem Details: There're possibilities that privacy status change notification happens in the middle of the ongoing mei command which already takes the command lock, but v4l2_ctrl_s_ctrl() would also need the same lock prior to this patch, so this may results in circular locking problem. This patch adds one dedicated ...
```diff diff --git a/drivers/media/pci/intel/ivsc/mei_csi.c b/drivers/media/pci/intel/ivsc/mei_csi.c index f04a89584334..c6d8f72e4eec 100644 --- a/drivers/media/pci/intel/ivsc/mei_csi.c +++ b/drivers/media/pci/intel/ivsc/mei_csi.c @@ -126,6 +126,8 @@ struct mei_csi { struct v4l2_ctrl_handler ctrl_handler; struct v4...
abb7a73b687dc82202f0203a112ef435fb598aa6
Analyze and fix the following issue in the Linux kernel code: media: c8sectpfe: Add missing parameter names
Problem Details: clang 19 complains about the missing parameter name. Let's add it. drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-debugfs.h:19:62: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore...
```diff diff --git a/drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-debugfs.h b/drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-debugfs.h index 8e1bfd860524..3fe177b59b16 100644 --- a/drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-debugfs.h +++ b/drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-debugfs.h @@ -1...
9d8683b3fd93f0e378f24dc3d9604e5d7d3e0a17
Analyze and fix the following issue in the Linux kernel code: saa7134: Unchecked i2c_transfer function result fixed
Problem Details: Return value of function 'i2c_transfer' is not checked that may cause undefined behaviour. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 2cf36ac44730 ("[PATCH] v4l: 656: added support for the following cards") Signed-off-by: Aleksandr Burakov <a.burakov@rosalinux.ru> Signed...
```diff diff --git a/drivers/media/pci/saa7134/saa7134-dvb.c b/drivers/media/pci/saa7134/saa7134-dvb.c index 9c6cfef03331..a66df6adfaad 100644 --- a/drivers/media/pci/saa7134/saa7134-dvb.c +++ b/drivers/media/pci/saa7134/saa7134-dvb.c @@ -466,7 +466,9 @@ static int philips_europa_tuner_sleep(struct dvb_frontend *fe) ...
bd036febd03cb40b56911f057e3dacabd1521014
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx: Add LVDS port data mapping on M53 Menlo
Problem Details: Describe LVDS data mapping of the LVDS-to-DPI decoder input port. This fixes a warning reported by lvds-codec driver: " lvds-codec lvds-decoder: missing 'data-mapping' DT property " Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm/boot/dts/nxp/imx/imx53-m53menlo.dts b/arch/arm/boot/dts/nxp/imx/imx53-m53menlo.dts index 4d77b6077fc1..558751e730f3 100644 --- a/arch/arm/boot/dts/nxp/imx/imx53-m53menlo.dts +++ b/arch/arm/boot/dts/nxp/imx/imx53-m53menlo.dts @@ -64,6 +64,7 @@ reg = <0>; lvds_decoder_in: endpoin...
e1b4622efbe7ad09c9a902365a993f68c270c453
Analyze and fix the following issue in the Linux kernel code: arm64: dts: freescale: imx8mp-venice-gw73xx-2x: fix BT shutdown GPIO
Problem Details: Fix the invalid BT shutdown GPIO (gpio1_io3 not gpio4_io16) Fixes: 716ced308234 ("arm64: dts: freescale: Add imx8mp-venice-gw73xx-2x") Signed-off-by: Tim Harvey <tharvey@gateworks.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi index dec57fad6828..e2b5e7ac3e46 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi @@ -219,7 +219,7 @@ ...
044786935ec5f051c4bd1baef7831dd4bfb5ad52
Analyze and fix the following issue in the Linux kernel code: arm64: dts: freescale: ls1028a: Reorder sai dma-names to fix warning
Problem Details: Reorder the SAI dma-names to ensure "rx" precedes "tx" as required to fixes the DTB_CHECK warning. arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dtb: audio-controller@f100000: dma-names:1: 'tx' was expected from schema $id: http://devicetree.org/schemas/sound/fsl,sai.yaml# arm64/boot/dts/freescale/fs...
```diff diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi index bac7a7b8b5a9..2eae0e358429 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi @@ -902,9 +902,9 @@ <&clockgen QORIQ_CLK_PLATFORM_P...
2cd7b542c84e19e92f0283809e7e8617481e8c32
Analyze and fix the following issue in the Linux kernel code: arm64: dts: freescale: ls1028a: Remove undocumented 'fsl,ls-pcie-ep'
Problem Details: Remove the undocumented compatible string 'fsl,ls-pcie-ep' property from the ls1028a device tree source to fix DTB_CHECK warnings. arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dtb: pcie-ep@3400000: compatible: ['fsl,ls1028a-pcie-ep', 'fsl,ls-pcie-ep'] is too long from schema $id: http://devicetree.o...
```diff diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi index 70b8731029c4..bac7a7b8b5a9 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi @@ -674,7 +674,7 @@ }; pcie_ep1: pcie-ep@3400000 ...
46e27b9961d8712bc89234444ede314cec0e8bae
Analyze and fix the following issue in the Linux kernel code: efi/arm64: Fix kmemleak false positive in arm64_efi_rt_init()
Problem Details: The kmemleak code sometimes complains about the following leak: unreferenced object 0xffff8000102e0000 (size 32768):   comm "swapper/0", pid 1, jiffies 4294937323 (age 71.240s)   hex dump (first 32 bytes):     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................     00 00 00 00 00 00 00 0...
```diff diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index 4a92096db34e..712718aed5dd 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -9,6 +9,7 @@ #include <linux/efi.h> #include <linux/init.h> +#include <linux/kmemleak.h> #include <linux/screen_info.h> #include <linux/vmal...
75dde792d6f6c2d0af50278bd374bf0c512fe196
Analyze and fix the following issue in the Linux kernel code: efi/x86: Free EFI memory map only when installing a new one.
Problem Details: The logic in __efi_memmap_init() is shared between two different execution flows: - mapping the EFI memory map early or late into the kernel VA space, so that its entries can be accessed; - the x86 specific cloning of the EFI memory map in order to insert new entries that are created as a result of...
```diff diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index 1dc600fa3ba5..481096177500 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -401,7 +401,6 @@ extern int __init efi_memmap_alloc(unsigned int num_entries, struct efi_memory_map_data *data); extern void ...
bcdea3e81ea51c9e89e3b11aac2612e1b4330bee
Analyze and fix the following issue in the Linux kernel code: arm: dts: imx53-qsb-hdmi: Disable panel instead of deleting node
Problem Details: We cannot use /delete-node/ directive to delete a node in a DT overlay. The node won't be deleted effectively. Instead, set the node's status property to "disabled" to achieve something similar. Fixes: eeb403df953f ("ARM: dts: imx53-qsb: add support for the HDMI expander") Signed-off-by: Liu Ying <v...
```diff diff --git a/arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi b/arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi index d80440446473..05d7a462ea25 100644 --- a/arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi @@ -85,7 +85,7 @@ }; }; - panel { + panel_dpi:...
c03984d43a9dd9282da54ccf275419f666029452
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mp: Fix TC9595 input clock on DH i.MX8M Plus DHCOM SoM
Problem Details: The IMX8MP_CLK_CLKOUT2 supplies the TC9595 bridge with 13 MHz reference clock. The IMX8MP_CLK_CLKOUT2 is supplied from IMX8MP_AUDIO_PLL2_OUT. The IMX8MP_CLK_CLKOUT2 operates only as a power-of-two divider, and the current 156 MHz is not power-of-two divisible to achieve 13 MHz. To achieve 13 MHz outpu...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi index 43f1d45ccc96..f5115f9e8c47 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi @@ -254,7 +254,7 @@ <&clk IMX8...
069e81ea96bdff4e771df4a644fbcf4913261e9b
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx: correct choice of panel native mode
Problem Details: Bindings and Linux driver expect native-mode to be a phandle to one of the timings node, not a boolean property. Correct the DTS to fix dtbs_check warnings like: imx53-m53evk.dtb: display-timings: timing-800x480p60: 'native-mode' does not match any of the regexes: 'pinctrl-[0-9]+' This should not ...
```diff diff --git a/arch/arm/boot/dts/nxp/imx/imx51-apf51dev.dts b/arch/arm/boot/dts/nxp/imx/imx51-apf51dev.dts index f72e109342bc..de6b7607510a 100644 --- a/arch/arm/boot/dts/nxp/imx/imx51-apf51dev.dts +++ b/arch/arm/boot/dts/nxp/imx/imx51-apf51dev.dts @@ -25,8 +25,8 @@ pinctrl-0 = <&pinctrl_ipu_disp1>; displ...
e789523fe248a80839f8dfe736ca96e5c442a9e8
Analyze and fix the following issue in the Linux kernel code: firewire: fix website URL in Kconfig
Problem Details: The wiki in kernel.org is no longer updated. This commit replaces the website URL with the latest one. Link: https://lore.kernel.org/r/20240613090343.416198-1-o-takashi@sakamocchi.jp Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
```diff diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index 869598b20e3a..5268b3f0a25a 100644 --- a/drivers/firewire/Kconfig +++ b/drivers/firewire/Kconfig @@ -11,7 +11,7 @@ config FIREWIRE This is the new-generation IEEE 1394 (FireWire) driver stack a.k.a. Juju, a new implementation designed...
a9dbb4ac58c02cdc2e2c7aa505699721fc426947
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Fix outdated comment in features check
Problem Details: The code no longer treats only UDP tunnels, adjust the outdated comment. Signed-off-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Link: https://lore.kernel.org/r/20240613210036.1125203-5-tariqt@nvidia.com Signed-off-by: ...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 10492349ff26..db4819f11541 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -4910,7 +4910,7 @@ static netdev_features_...
7ed352d34f1a09a7659c53de07785115587499fe
Analyze and fix the following issue in the Linux kernel code: netdev-genl: fix error codes when outputting XDP features
Problem Details: -EINVAL will interrupt the dump. The correct error to return if we have more data to dump is -EMSGSIZE. Discovered by doing: for i in `seq 80`; do ip link add type veth; done ./cli.py --dbg-small-recv 5300 --spec netdev.yaml --dump dev-get >> /dev/null [...] nl_len = 64 (48) nl_flags = 0x0...
```diff diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c index 1f6ae6379e0f..05f9515d2c05 100644 --- a/net/core/netdev-genl.c +++ b/net/core/netdev-genl.c @@ -59,22 +59,22 @@ XDP_METADATA_KFUNC_xxx nla_put_u64_64bit(rsp, NETDEV_A_DEV_XDP_RX_METADATA_FEATURES, xdp_rx_meta, NETDEV_A_DEV_PAD) |...
5e3b7009f116f684ac6b93d8924506154f3b1f6d
Analyze and fix the following issue in the Linux kernel code: rust: block: do not use removed queue limit API
Problem Details: The Rust block layer API was using the old queue limit API, which was just removed. Use the new API instead. Reported-by: Boqun Feng <boqun.feng@gmail.com> Fixes: 3253aba3408a ("rust: block: introduce `kernel::block::mq` module") Signed-off-by: Andreas Hindborg <a.hindborg@samsung.com> Link: https://l...
```diff diff --git a/rust/kernel/block/mq/gen_disk.rs b/rust/kernel/block/mq/gen_disk.rs index 3b9edb96c8ff..e06044b549e0 100644 --- a/rust/kernel/block/mq/gen_disk.rs +++ b/rust/kernel/block/mq/gen_disk.rs @@ -95,11 +95,17 @@ impl GenDiskBuilder { ) -> Result<GenDisk<T>> { let lock_class_key = crate::syn...
ad3dd9592b2a1d2f9e6ffeedfd81602f91f1ba09
Analyze and fix the following issue in the Linux kernel code: soc: qcom: pmic_glink: disable UCSI on sc8280xp
Problem Details: Disconnecting an external display triggers a hypervisor reset on the Lenovo ThinkPad X13s since 6.10-rc1 which enabled UCSI. Disable it again until the regression has been fixed properly. Fixes: 3f91a0bf4a0b ("soc: qcom: pmic_glink: reenable UCSI on sc8280xp") Cc: Dmitry Baryshkov <dmitry.baryshkov@li...
```diff diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c index 40fb09d69014..65279243072c 100644 --- a/drivers/soc/qcom/pmic_glink.c +++ b/drivers/soc/qcom/pmic_glink.c @@ -348,11 +348,15 @@ static void pmic_glink_remove(struct platform_device *pdev) mutex_unlock(&__pmic_glink_lock); } +s...
0d2ca8fd2878582e01e933c8d6110860b921c1e6
Analyze and fix the following issue in the Linux kernel code: drm/xe/uc: Fix and start using xe_uc_fw_sanitize()
Problem Details: Helper xe_uc_fw_sanitize() was defined but never used. First fix it by properly exiting also from the LOAD_FAIL state, then use it in GuC and HuC sanitize code. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Matthew Brost <...
```diff diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c index 0bf6e01b8910..0e1a5674ef13 100644 --- a/drivers/gpu/drm/xe/xe_guc.c +++ b/drivers/gpu/drm/xe/xe_guc.c @@ -1094,7 +1094,7 @@ void xe_guc_irq_handler(struct xe_guc *guc, const u16 iir) void xe_guc_sanitize(struct xe_guc *guc) { - xe_...
eb9d53d4a949c6d6d7c9f130e537f6b5687fedf9
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: nv: Fix RESx behaviour of disabled FGTs with negative polarity
Problem Details: The Fine Grained Trap extension is pretty messy as it doesn't consistently use the same polarity for all trap bits. A bunch of them, added later in the life of the architecture, have a *negative* priority. So if these bits are disabled, they must be RES1 and not RES0. But that's not what the code impl...
```diff diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c index bae8536cbf00..0acb60273482 100644 --- a/arch/arm64/kvm/nested.c +++ b/arch/arm64/kvm/nested.c @@ -328,21 +328,21 @@ int kvm_init_nv_sysregs(struct kvm *kvm) HFGxTR_EL2_ERXPFGF_EL1 | HFGxTR_EL2_ERXPFGCTL_EL1 | HFGxTR_EL2_ERXPFGCDN_EL1...
c4d31653c03b90e51515b1380115d1aedad925dd
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Skip wbscl_set_scaler_filter if filter is null
Problem Details: Callers can pass null in filter (i.e. from returned from the function wbscl_get_filter_coeffs_16p) and a null check is added to ensure that is not the case. This fixes 4 NULL_RETURNS issues reported by Coverity. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfo...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c index 994fb732a7cb..a0d437f0ce2b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c @@ -690,6 +690,9 @@ static void w...
8b0ddf19cca2a352b2a7e01d99d3ba949a99c84c
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Check BIOS images before it is used
Problem Details: BIOS images may fail to load and null checks are added before they are used. This fixes 6 NULL_RETURNS issues reported by Coverity. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Alex Deu...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c index 25fe1a124029..3bacf470f7c5 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -665,6 +665,9 @@ static enum bp_result get...
8092aa3ab8f7b737a34b71f91492c676a843043a
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add null checker before passing variables
Problem Details: Checks null pointer before passing variables to functions. This fixes 3 NULL_RETURNS issues reported by Coverity. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Alex Deucher <alexander.de...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index d8fbb18c3ae2..efde7157dc06 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2875,7 +2875,8 @@ static int dm_suspend(v...
143818fae047fdda55d06651e4d7ab9dc7afe669
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Explicitly extend unsigned 16 bit to 64 bit
Problem Details: Coverity reports sign extention defects as below: Suspicious implicit sign extension: mode->htotal with type u16 ... to int (32 bits, signed), then sign-extended to type unsigned long (64 bits, unsigned). If mode->htotal * mode->vtotal is greater than 0x7FFFFFFF, the upper bits of the result will all ...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index cbec586c3607..d8fbb18c3ae2 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -977,8 +977,8 @@ static void amdgpu_dm_fbc...
3a69c1702fdff79f631525ac6dc4487de050865a
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix minor coding errors where dml21 phase 5 uses wrong variables
Problem Details: There is a coding error which causes incorrect variables to be assigned in DML21 phase 5. Reviewed-by: Dillon Varone <dillon.varone@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Wenjing Liu <wenjing.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_top/dml_top.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_top/dml_top.c index 1142fdade334..6f334fdc6eb8 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_top/dml_top.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2...
6b6d38c5086f9c401f4444485a72a931356314e5
Analyze and fix the following issue in the Linux kernel code: Revert "drm/amd/display: workaround for oled eDP not lighting up on DCN401"
Problem Details: This reverts commit e902dd7f3e3b93a401e1d3c0322cce933e75e809. A proper fix for this issue has been implemented in DMUB FW. So, no need to keep the workaround. Reviewed-by: Wenjing Liu <wenjing.liu@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Joshua Aberback <joshua.aberback...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 35ca38ea2efa..b9c67bac7beb 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1045,7 +1045,6 @@ struct dc_debug_options { unsigned int force_easf; unsigned int force_sharp...
52971387a05aa012eb73db78f39ae6c6dd47e080
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: DCN401 full power down in HW init if any link enabled
Problem Details: [Why] During HW init, certain operations the driver performs are invalid on enabled hardware in an unknown state (for example, setting all clock values to minimum when the GPU is actively driving a display). There is already code present to call HWSS->power_down during init when any link is enabled in ...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c index dabad7feff03..1cf0608e1980 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c @@ -98,6 +98,7 @@...
5f7697bbc1a41d4799797204137be85121063f65
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: trigger mode1 reset for RAS RMA status
Problem Details: Check RMA status in bad page retirement flow. v2: fix coding bugs in v1. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 2dffce25e273..671bbb19995a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -2068,8 +2068,9 @@ static void amdgpu_ras_interrupt_poison_consumption_handler(str...
5afbbcfe3b6cd00fa52e0375e1e276748929bc50
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Disable PHYSYMCLK RCO
Problem Details: [Why] PHYSYMCLK RCO has been found to lead to crashes in some corner cases [How] Disable PHYSYMCLK RCO debug bit Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Signed-off-by: Daniel Miess <daniel.miess@amd.com> Tested-by: Daniel Wheeler ...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c index 5edccd565b05..0094ef223c5d 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_reso...
be5de1c4ee9ac0dbe3e096e86502521874b40932
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: [FW Promotion] Release 0.0.221.0
Problem Details: - Create a general command and fix Replay desync error with general cmd Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Signed-off-by: Anthony Koo <anthony.koo@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index 3e8d5f2d7429..b75653faf40e 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -3381,7 +3381,25 @@ enum dmub_cmd_replay_type { ...
d6b54900c564e35989cf6813e4071504fa0a90e0
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Avoid overflow from uint32_t to uint8_t
Problem Details: [WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Fix it by changing it to uint8_t with value of 0xFF. This fixes 2 INTEGER_OVERFLOW issues reported by Coverity. Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@am...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c index f4987e96fbf9..0d7e7f3b81a1 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c @@ -258,7 +258,7 @@ bool dmub_abm_set_pipe(st...
ee4deffda66a0f62791c5456d83a95855b2b140e
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix missed targets in FAMS2+HWFQ
Problem Details: [WHY&HOW] Add additional delay factor when considering a safe time to flip for HWFQ to be passed in by the driver. Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Signed-off-by: Dillon Varone <dillon.varone@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 3e4abfa6d517..6ff87b023081 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -1657,6 +1657,7 @@ void dc_dmub_srv_fams2_update_config(struct...
1608e201df49127376d9fff1284b8b3c5e018440
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Explicitly cast v_total to signed in a subtraction
Problem Details: [WHY & HOW] v_total is an uint32_t and subtracting an unsigned to a signed will result in an unsigned which is always >= 0. As a result, the ternary conditions are always true and thus has no effect. This is fixed by casting v_total to signed explicitly. This also avoids v_total subtraction to overflo...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 55e1c19b97f1..9b24f448ce50 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -1006,9 +1006,9 @@ static unsigned int dc_stream_g...
82c94233e5c8f7609e244267797e1e2183c2c4c0
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Remove useless comparison of unsigned int vs. 0
Problem Details: [WHY & HOW] The comparisons of unsigned int with 0 can have no meanings, i.e. unsigned int >= 0 (always true) or unsigned int < 0 (always false), and therefore they are removed. This fixes 12 NO_EFFECT issues reported by Coverity. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Zaeem M...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index aea4bb46856e..a650a9877097 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -320,16 +3...
97dc6a480c8189d1f130fcd026391cef5f7d8b34
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix uninitialized variables in dcn401
Problem Details: This fixes an UNINIT issue reported by Coverity. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c index fe0bb6147e36..116411aa0a2b 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c @@ -805,7 +80...
d281b7742662e199fbba57fbd86c6c2bdd73104a
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix incorrect size calculation for loop in dcn401
Problem Details: [WHY] fe_clk_en and be_clk_sel have size of 4 but sizeof(fe_clk_en) has byte size 16 which is lager than the array size. [HOW] Use ARRAY_SIZE for calculating size. This fixes 2 OVERRUN issues reported by Coverity. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Zaeem Mohamed <zaeem.mo...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c b/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c index dac31c4cf2a7..6a467c49b4a4 100644 --- a/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c @@ -885,7 +885,7 ...
9d8152cd1be1c1049dc7d70e2f0a01989d1d9a17
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Check otg_master pointer before use it
Problem Details: Coverity highlighted that the parameter otg_master is referenced before the if condition that validates it, which means that the code might have some attempt to access a null pointer. This commit addresses this issue by moving the pointer verification to the beginning of the function and initializing a...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 7894d3e52a27..e047ea4ff3aa 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -2077,15 +2077,23 @@ int resource_get_odm_...
38e0c3df6dbd36e69d38f67853cdd1bb6110d05f
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Move PRIMARY plane zpos higher
Problem Details: [Why] Compositors have different ways of assigning surfaces to DRM planes for render offloading. It may decide between various strategies: overlay, underlay, or a mix of both (see here for more info: https://gitlab.freedesktop.org/emersion/libliftoff/-/issues/76) One way for compositors to implement ...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index e6315245b1cb..cbec586c3607 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -81,6 +81,7 @@ #include <linux/firmware.h...
1b04dcca4fb10dd3834893a60de74edd99f2bfaf
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Introduce overlay cursor mode
Problem Details: [Why] DCN is the display hardware for amdgpu. DRM planes are backed by DCN hardware pipes, which carry pixel data from one end (memory), to the other (output encoder). Each DCN pipe has the ability to blend in a cursor early on in the pipeline. In other words, there are no dedicated cursor planes in ...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 43ac3e44d74f..e6315245b1cb 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8758,8 +8758,24 @@ static void amdgpu_dm_...
fd279d8f45c96886786d7fb5452489efad97093b
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: define abm debug interface
Problem Details: [Why & How] Define debug interface to dmub for reading back abm data. Reviewed-by: Anthony Koo <anthony.koo@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Signed-off-by: Josip Pavic <josip.pavic@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexande...
```diff diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index 7fea9bec7b64..87f2e4e38f9a 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -3960,6 +3960,11 @@ enum dmub_cmd_abm_type { * ...
fcf6a49d79923a234844b8efe830a61f3f0584e4
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Don't refer to dc_sink in is_dsc_need_re_compute
Problem Details: [Why] When unplug one of monitors connected after mst hub, encounter null pointer dereference. It's due to dc_sink get released immediately in early_unregister() or detect_ctx(). When commit new state which directly referring to info stored in dc_sink will cause null pointer dereference. [how] Remove...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index ac60f688660a..f60d55c17fb4 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -1...
ad28d7c3d989fc5689581664653879d664da76f0
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Correct the defined value for AMDGPU_DMUB_NOTIFICATION_MAX
Problem Details: [Why & How] It actually exposes '6' types in enum dmub_notification_type. Not 5. Using smaller number to create array dmub_callback & dmub_thread_offload has potential to access item out of array bound. Fix it. Reviewed-by: Jerry Zuo <jerry.zuo@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> ...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index d64aabad032e..32dd1bd1f3d9 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -50,7 +50,7 @@ #define AMDGPU_DM_MAX_NU...
e32e15dbf06d65d70c763a44cc8e32ab409b1d5f
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Adjust debug msg for usb4/tbt
Problem Details: [Why & How] Debug msg for usb4/tbt now is a bit confusing. Adjust it for better reading. Reviewed-by: Jerry Zuo <jerry.zuo@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Signed-off-by: Wayne Lin <wayne.lin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deuche...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index a2c098f1b07c..43ee0618ebf5 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -775,9 +775,9 @@ static void dmub_hpd_call...
8362061eed6761a36866876ba2dd00ec638a13b4
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Prevent overflow on DTO calculation
Problem Details: [Why] uint32_t is implicitly converted to uint64_t while multiplication still happens on uint32_t side. This creates digit overflow for large pixel clock which is meant to be retained in uint64_t. [How] Calculate multiplication of units in uint64_t domain instead of uint32_t in DTO parameter clock ca...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c index 63deb5b60548..042a4187fff4 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c @@ -1088,11 +1088,15 @@ stati...
ec14eab37dbb07b92e2079c9b7ef4730d9418f89
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Extend gfx12 trap handler fix to gfx10/11
Problem Details: In commit fda812ebe3d9 ("drm/amdkfd: gfx12 context save/restore trap handler fixes") the following fix was introduced but incorrectly restricted to gfx12. The same issue and a corresponding fix apply to gfx10 and gfx11. Do not overwrite TRAPSTS.{SAVECTX,HOST_TRAP} when restoring this register. Both of...
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h index 665122d1bbbd..02f7ba8c93cd 100644 --- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h +++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h @@ -1136,7 +1136,7 @@ static const uint32_t cwsr_trap_nv1...
827416d45476fe5957c714409452d20dd80f282d
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix multiple cursors when using 4 displays on a contiguous large surface
Problem Details: [Why & How] Remove some cursor offset calculations for rotated cursor for fixing a bug where multiple cursors are seen. Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Signed-off-by: Nevenko Stupar <nevenko.stupar@amd.com> Tested-by: Daniel Wheeler <daniel.w...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c index 407a45a3ae2c..b9541d5ab601 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c @@ -1126,10 +...
e15fc7001425599bab6c802650208a15c72fbc34
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Remove NULL assignment for stream_status
Problem Details: [Description] No need to assign stream_status NULL because it is always re-assigned before usage. This change is to fix coverity errors. Reviewed-by: Nicholas Choi <nicholas.choi@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Signed-off-by: Alvin Lee <alvin.lee2@amd.com> Tested-by: Daniel Wh...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 873993a6513c..12687d400092 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -444,7 +444,6 @@ bool dc_dmub_srv_p_state_delegate(struct dc *...
b59cb5a67198c20e203f33ae8ca5e35de89e6ccd
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix Replay Desync Error Test
Problem Details: When PHY power off, the DP_SEC_CNTL cannot be configured and cause disable Adaptive sync SDP failed. Regarding the issue, the driver will disabled AS-SDP in replay state machine. Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Dennis Chan <dennis.chan@amd.com> Tested-by: Daniel...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c index 958a927d0cea..62e03fdf813b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c @@ -362,6 +362,18 @@ static void dmub_replay_send...
3601a35a2e9d640233f4bc3496f7603b93f9c143
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Wake DMCUB before sending a command for replay feature
Problem Details: [Why] We can hang in place trying to send commands when the DMCUB isn't powered on. [How] For functions that execute within a DC context or DC lock we can wrap the direct calls to dm_execute_dmub_cmd/list with code that exits idle power optimizations and reallows once we're done with the command submi...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c index 33cfeb730d7d..318d0dc113e6 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c @@ -78,7 +78,7 @@ static void dmub_replay_enable(...
030631e97b209481edbac38000d2a60fd340f6b1
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: revert "take runtime pm reference when we attach a buffer" v2
Problem Details: This reverts commit b8c415e3bf98 ("drm/amdgpu: take runtime pm reference when we attach a buffer") and commit 425285d39afd ("drm/amdgpu: add amdgpu runpm usage trace for separate funcs"). Taking a runtime pm reference for DMA-buf is actually completely unnecessary and even dangerous. The problem is t...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index 0b3b10d21952..8e81a83d37d8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -41,8 +41,6 @@ #include <linux/dma-buf.h> #include <linux/dma-fe...
be6a69b21a3517122ba6cf7ab8f62f4803637dbe
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix overflowed constant warning in mmhub_set_clockgating()
Problem Details: To fix potential overflowed constant warning, modify the variables to u32 for getting the return value of RREG32_SOC15(). Signed-off-by: Bob Zhou <bob.zhou@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c index 92432cd2c0c7..9689e2b5d4e5 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c @@ -544,7 +544,7 @@ static int mmhub_v1_7_set_clockgating(struct amdgpu_device *adev,...
3a86fdc422c926eab7d42a8194eaacf05e1d699e
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Skip coredump during resets for debug
Problem Details: Skip scheduling coredump when gpu reset is intentionally triggered through debugfs. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index dff7033f2026..3f492277d7d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -982,6 +982,7 @@ static void amdgpu_debugfs_reset_work(struct work_struct ...
2fe87f54abdc5c29bd2ebc301964926ea27b3d89
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Set default brightness according to ACPI
Problem Details: Currently, amdgpu will always set up the brightness at 100% when it loads. However this is jarring when the BIOS has it previously programmed to a much lower value. The ACPI ATIF method includes two members for "ac_level" and "dc_level". These represent the default values that should be used if the s...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 35faa286bb1c..d942c90f88f1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1567,6 +1567,7 @@ static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev, ...
37f432481d6ba2077eff1b988b58a18fa87831b7
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix the overflowed constant warning for RREG32_SOC15()
Problem Details: To fix potential overflowed constant warning reported by Coverity, modify the variables to uint32_t. Signed-off-by: Bob Zhou <bob.zhou@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/imu_v12_0.c b/drivers/gpu/drm/amd/amdgpu/imu_v12_0.c index 0c8ef908d112..6ff9cf27059a 100644 --- a/drivers/gpu/drm/amd/amdgpu/imu_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/imu_v12_0.c @@ -119,7 +119,8 @@ static int imu_v12_0_load_microcode(struct amdgpu_device *adev) st...
9c33e5fd4fb63b793d9a92bf35d190630d9bada4
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix locking scope when flushing tlb
Problem Details: Which method is used to flush tlb does not depend on whether a reset is in progress or not. We should skip flush altogether if the GPU will get reset. So put both path under reset_domain read lock. Signed-off-by: Yunxiang Li <Yunxiang.Li@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com>...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 660599823050..322b8ff67cde 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -682,12 +682,17 @@ int amdgpu_gmc_flush_gpu_tlb_pasid(struct amdgpu_device *adev, ...
5c0a1cdd17ce9eb315102c65084af899622ed268
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix sriov host flr handler
Problem Details: We send back the ready to reset message before we stop anything. This is wrong. Move it to when we are actually ready for the FLR to happen. In the current state since we take tens of seconds to stop everything, it is very likely that host would give up waiting and reset the GPU before we send ready, ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 4096cb3e937e..d549de26f931 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5070,6 +5070,8 @@ static int amdgpu_device_reset_sriov(struct amdgpu_...
7bed1df814cd61029f56eecd322e23190d50d93b
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix NULL pointer in amdgpu_reset_get_desc
Problem Details: amdgpu_job_ring may return NULL, which causes kernel NULL pointer error, using another way to print ring name instead of ring->name. Suggested-by: Lijo Lazar <Lijo.Lazar@amd.com> Signed-off-by: Eric Huang <jinhuieric.huang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Lijo L...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c index 9deb41d61e8d..66c1a868c0e1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c @@ -164,16 +164,14 @@ void amdgpu_device_unlock_reset_domain(struct amdgpu_re...
df86486d905107e079afd82b45f8cd955d1c7d7b
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix DSC slice and delay calculations
Problem Details: [why] There are other factors that determine the number of DSC slices. The slices should not be determined in DML but retrieve the value calculated from driver. [how] Update the logic to determine DSC slice. Make DSCDelay per display pipe. Reviewed-by: Jun Lei <jun.lei@amd.com> Acked-by: Zaeem Mohame...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c index ff2adc9eab0d..a08ae7b7d39a 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c @@ -115,6 +115,7 @@ s...
06cd6d8f808164513e453af842720fe258abbbf0
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Various DML2 fixes for FAMS2
Problem Details: - Ensure SubVP stream settings match ODM policy - Fix MALL size calculations when DCC is enabled - Fail if any stream fails DRR policy check Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Signed-off-by: Dillon Varone <dillon.varone@amd.com> Teste...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_utils.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_utils.c index 8c9e95b25eb3..4e12810308a4 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_utils.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_utils.c @@ -85,8 +85,8 @@ voi...
38e6f715b02b572f74677eb2f29d3b4bc6f1ddff
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add NULL check for 'afb' before dereferencing in amdgpu_dm_plane_handle_cursor_update
Problem Details: This commit adds a null check for the 'afb' variable in the amdgpu_dm_plane_handle_cursor_update function. Previously, 'afb' was assumed to be null, but was used later in the code without a null check. This could potentially lead to a null pointer dereference. Fixes the below: drivers/gpu/drm/amd/amdg...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c index a64f20fcddaa..b339642b86c0 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c @@ -1246,14 +1246,22 ...
ce66ffd9813c8bd73e21b96d6476e5fb32b727c7
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add null check for 'afb' in amdgpu_dm_update_cursor
Problem Details: This commit adds a null check for the 'afb' variable in the amdgpu_dm_update_cursor function. Previously, 'afb' was assumed to be null at line 8388, but was used later in the code without a null check. This could potentially lead to a null pointer dereference. Fixes the below: drivers/gpu/drm/amd/amdg...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 6196de6cebbf..6d468badb669 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8637,14 +8637,22 @@ static void amdgpu_dm...
91efe6de7029b206e29bb97143f9156e88f54027
Analyze and fix the following issue in the Linux kernel code: drm/amd/display/dcn401: use pre-allocated temp structure for bounding box
Problem Details: This mirrors what the driver does for older DCN generations. Should fix: [ 26.924055] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 [ 26.924060] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1022, name: modprobe [ 26.924063] preempt_count: 2, expecte...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c index 8ea9391c60b7..06b22897137e 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c @@ -192,15 +192,14 @@ static void init_state(struct dc *d...
afe9555e79fcd0d758e3796ad00fd6292d99361b
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: use pre-allocated temp structure for bounding box
Problem Details: This mirrors what the driver does for older DCN generations. Should fix: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 449, name: kworker/u64:8 preempt_count: 2, expected: 0 RCU nest depth: 0, expected: 0 Pree...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index a06015165a61..86a76c582f2e 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1445,6 +1445,7 @@ struct dc { } scratch; struct dml2_configuration_options dml2_options; + ...
4aa1f202519f6a837376efc87fae4a0ecc97f40b
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Simplify if conditions
Problem Details: The if conditions !A || A && B can be simplified to !A || B. Fixes the following Coccinelle/coccicheck warnings reported by excluded_middle.cocci: WARNING !A || A && B is equivalent to !A || B WARNING !A || A && B is equivalent to !A || B WARNING !A || A && B is equivalent to !A || B Compile-test...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c index 02fb2cb1c43c..23ffecfd70eb 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c @@ -6...
0627cef36145c9ff9845bdfd7ddf485bbac1f981
Analyze and fix the following issue in the Linux kernel code: ipmi: ssif_bmc: prevent integer overflow on 32bit systems
Problem Details: There are actually two bugs here. First, we need to ensure that count is at least sizeof(u32) or msg.len will be uninitialized data. The "msg.len" variable is a u32 that comes from the user. On 32bit systems the "sizeof_field(struct ipmi_ssif_msg, len) + msg.len" addition can overflow if "msg.len" i...
```diff diff --git a/drivers/char/ipmi/ssif_bmc.c b/drivers/char/ipmi/ssif_bmc.c index 56346fb32872..ab4e87a99f08 100644 --- a/drivers/char/ipmi/ssif_bmc.c +++ b/drivers/char/ipmi/ssif_bmc.c @@ -177,13 +177,15 @@ static ssize_t ssif_bmc_write(struct file *file, const char __user *buf, size_t unsigned long flags; ss...
7bdcedd5c8fb88e7176b93812b139eca5fe0aa46
Analyze and fix the following issue in the Linux kernel code: bpf: Harden __bpf_kfunc tag against linker kfunc removal
Problem Details: BPF kfuncs are often not directly referenced and may be inadvertently removed by optimization steps during kernel builds, thus the __bpf_kfunc tag mitigates against this removal by including the __used macro. However, this macro alone does not prevent removal during linking, and may still yield build w...
```diff diff --git a/include/linux/btf.h b/include/linux/btf.h index f9e56fd12a9f..7c3e40c3295e 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -82,7 +82,7 @@ * as to avoid issues such as the compiler inlining or eliding either a static * kfunc, or a global kfunc in an LTO build. */ -#define __bpf_k...
63a8dfb889112ab4a065aa60a9a1b590b410d055
Analyze and fix the following issue in the Linux kernel code: function_graph: Add READ_ONCE() when accessing fgraph_array[]
Problem Details: In function_graph_enter() there's a loop that looks at fgraph_array[] elements which are fgraph_ops. It first tests if it is a fgraph_stub op, and if so skips it, as that's just there as a place holder. Then it checks the fgraph_ops filters to see if the ops wants to trace the current function. But if...
```diff diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c index 8317d1a7f43a..fc205ad167a9 100644 --- a/kernel/trace/fgraph.c +++ b/kernel/trace/fgraph.c @@ -641,7 +641,7 @@ int function_graph_enter(unsigned long ret, unsigned long func, { for_each_set_bit(i, &fgraph_array_bitmask, sizeof(fgraph_ar...
3c3e85ddffae93eba1a257eb6939bf5dc1e93b9e
Analyze and fix the following issue in the Linux kernel code: block: bypass the STABLE_WRITES flag for protection information
Problem Details: Currently registering a checksum-enabled (aka PI) integrity profile sets the QUEUE_FLAG_STABLE_WRITE flag, and unregistering it clears the flag. This can incorrectly clear the flag when the driver requires stable writes even without PI, e.g. in case of iSCSI or NVMe/TCP with data digest enabled. Fix t...
```diff diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 1d2d371cd632..bec0d1df387c 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -379,9 +379,6 @@ void blk_integrity_register(struct gendisk *disk, struct blk_integrity *template bi->tag_size = template->tag_size; bi->pi_offset = t...
e8bc14d116aeac8f0f133ec8d249acf4e0658da7
Analyze and fix the following issue in the Linux kernel code: block: remove the blk_flush_integrity call in blk_integrity_unregister
Problem Details: Now that there are no indirect calls for PI processing there is no way to dereference a NULL pointer here. Additionally drivers now always freeze the queue (or in case of stacking drivers use their internal equivalent) around changing the integrity profile. This is effectively a revert of commit 3df4...
```diff diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 17d37badfbb8..24f04575096d 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -401,8 +401,6 @@ void blk_integrity_unregister(struct gendisk *disk) if (!bi->tuple_size) return; - /* ensure all bios are off the integrity workqu...
799af947ed132956d6de6d77a5bc053817ccb06b
Analyze and fix the following issue in the Linux kernel code: md/raid1: don't free conf on raid0_run failure
Problem Details: The core md code calls the ->free method which already frees conf. Fixes: 07f1a6850c5d ("md/raid1: fail run raid1 array when active disk less than one") Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/2024061308...
```diff diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 7b8a71ca66dd..1f321826ef02 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -3204,7 +3204,6 @@ static int raid1_set_limits(struct mddev *mddev) return queue_limits_set(mddev->gendisk->queue, &lim); } -static void raid1_free(struct mddev ...
d11854ed05635e4a73fa61a988ffdd0978c9e202
Analyze and fix the following issue in the Linux kernel code: md/raid0: don't free conf on raid0_run failure
Problem Details: The core md code calls the ->free method which already frees conf. Fixes: 0c031fd37f69 ("md: Move alloc/free acct bioset in to personality") Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Yu Kuai <yukuai3@huawei.com> Link: https:...
```diff diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index c5d4aeb68404..81c01347cd24 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -365,18 +365,13 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks return array_sectors; } -static void free_conf(struct mddev *...
899ee2c3829c5ac14bfc7d3c4a5846c0b709b78f
Analyze and fix the following issue in the Linux kernel code: block: initialize integrity buffer to zero before writing it to media
Problem Details: Metadata added by bio_integrity_prep is using plain kmalloc, which leads to random kernel memory being written media. For PI metadata this is limited to the app tag that isn't used by kernel generated metadata, but for non-PI metadata the entire buffer leaks kernel memory. Fix this by adding the __GF...
```diff diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 2e3e8e04961e..af7f71d16114 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -432,6 +432,7 @@ bool bio_integrity_prep(struct bio *bio) unsigned long start, end; unsigned int len, nr_pages; unsigned int bytes, offset, i; + gfp...
31ade7d4fdcf382beb8cb229a1f5d77e0f239672
Analyze and fix the following issue in the Linux kernel code: ubd: untagle discard vs write zeroes not support handling
Problem Details: Discard and Write Zeroes are different operation and implemented by different fallocate opcodes for ubd. If one fails the other one can work and vice versa. Split the code to disable the operations in ubd_handler to only disable the operation that actually failed. Fixes: 50109b5a03b4 ("um: Add suppo...
```diff diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 0c9542d58c01..093c87879d08 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -449,10 +449,11 @@ static int bulk_req_safe_read( static void ubd_end_request(struct io_thread_req *io_req) { - if (io_req->error ...
5c1f50ab7fcb4e77a0b4ce102cfb890eef1ed8f1
Analyze and fix the following issue in the Linux kernel code: KVM: Fix a goof where kvm_create_vm() returns 0 instead of -ENOMEM
Problem Details: The error path for OOM when allocating buses used to return -ENOMEM using the local variable 'r', where 'r' was initialized at the top of the function. But a new "r = kvm_init_irq_routing(kvm);" was introduced in the middle of the function, so now the error code is not set and it eventually leads to a...
```diff diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index b60186b9c1d3..436ca41f61e5 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1143,8 +1143,7 @@ static struct kvm *kvm_create_vm(unsigned long type, const char *fdname) { struct kvm *kvm = kvm_arch_alloc_vm(); struct kvm_memslots *slo...
494c7d055081da066424706b28faa9a4c719d852
Analyze and fix the following issue in the Linux kernel code: thermal: core: Change PM notifier priority to the minimum
Problem Details: It is reported that commit 5a5efdaffda5 ("thermal: core: Resume thermal zones asynchronously") causes battery data in sysfs on Thinkpad P1 Gen2 to become invalid after a resume from S3 (and it is necessary to reboot the machine to restore correct battery data). Some investigation into the problem indi...
```diff diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index f92529fb0d10..f7c38c0d6199 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1721,6 +1721,12 @@ static int thermal_pm_notify(struct notifier_block *nb, static struct notifier_block thermal_pm...
d2278f3533a8c4933c52f85784ffa73e8250c524
Analyze and fix the following issue in the Linux kernel code: thermal: core: Synchronize suspend-prepare and post-suspend actions
Problem Details: After commit 5a5efdaffda5 ("thermal: core: Resume thermal zones asynchronously") it is theoretically possible that, if a system suspend starts immediately after a system resume, thermal_zone_device_resume() spawned by the thermal PM notifier for one of the thermal zones at the end of the system resume ...
```diff diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 30567b499455..f92529fb0d10 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1397,6 +1397,7 @@ thermal_zone_device_register_with_trips(const char *type, ida_init(&tz->ida); mutex_init(&tz->l...
2bbe3e5a2f4ef69d13be54f1cf895b4658287080
Analyze and fix the following issue in the Linux kernel code: bpf: Avoid splat in pskb_pull_reason
Problem Details: syzkaller builds (CONFIG_DEBUG_NET=y) frequently trigger a debug hint in pskb_may_pull. We'd like to retain this debug check because it might hint at integer overflows and other issues (kernel code should pull headers, not huge value). In bpf case, this splat isn't interesting at all: such (nonsensic...
```diff diff --git a/net/core/filter.c b/net/core/filter.c index 2510464692af..9933851c685e 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1665,6 +1665,11 @@ static DEFINE_PER_CPU(struct bpf_scratchpad, bpf_sp); static inline int __bpf_try_make_writable(struct sk_buff *skb, unsigned int write_len) ...
be1fae62cf253a5b67526cee9fbc07689b97c125
Analyze and fix the following issue in the Linux kernel code: ASoC: q6apm-lpass-dai: close graph on prepare errors
Problem Details: There is an issue around with error handling and graph management with the exising code, none of the error paths close the graph, which result in leaving the loaded graph in dsp, however the driver thinks otherwise. This can have a nasty side effect specially when we try to load the same graph to dsp,...
```diff diff --git a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c index 68a38f63a2db..66b911b49e3f 100644 --- a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c +++ b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c @@ -141,14 +141,17 @@ static void q6apm_lpass_dai_shutdown(struct snd_pcm_substream *...
842b4d98ae338522babab38347297f0932fa7afd
Analyze and fix the following issue in the Linux kernel code: hwmon: (max6639) : Add additional hwmon attributes for fan and pwm
Problem Details: Add additional attributes for fan & pwm i.e., fanY_pulses pwmY_freq Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com> Link: https://lore.kernel.org/r/20240614055533.2735210-2-naresh.solanki@9elements.com [groeck: Fix value range for fanX_pulses] Signed-off-by: Guenter Roeck <linux@roeck-us....
```diff diff --git a/drivers/hwmon/max6639.c b/drivers/hwmon/max6639.c index 254074598666..f54720d3d2ce 100644 --- a/drivers/hwmon/max6639.c +++ b/drivers/hwmon/max6639.c @@ -76,6 +76,7 @@ static const unsigned int freq_table[] = { 20, 33, 50, 100, 5000, 8333, 12500, */ struct max6639_data { struct regmap *regmap;...
d832b5a03e94a2a9f866dab3d04937a0f84ea116
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: tas2781: Component should be unbound before deconstruction
Problem Details: The interface associated with the hda_component should be deactivated before the driver is deconstructed during removal. Fixes: 4e7914eb1dae ("ALSA: hda/tas2781: remove sound controls in unbind") Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Li...
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 75f7674c66ee..fdee6592c502 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -777,11 +777,11 @@ static void tas2781_hda_remove(struct device *dev) { struct tas2781_hda *tas_hda = dev_get_d...