- 15 Oct, 2021 4 commits
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Thomas Zimmermann authored
Clamp the fbdev surface size of the available maximumi height to avoid failing to init console emulation. An example error is shown below. bad framebuffer height 2304, should be >= 768 && <= 768 [drm] Initialized simpledrm 1.0.0 20200625 for simple-framebuffer.0 on minor 0 simple-framebuffer simple-framebuffer.0: [drm] *ERROR* fbdev: Failed to setup generic emulation (ret=-22) This is especially a problem with drivers that have very small screen sizes and cannot over-allocate at all. v2: * reduce warning level (Ville) Signed-off-by:
Thomas Zimmermann <tzimmermann@suse.de> Fixes: 11e8f5fd ("drm: Add simpledrm driver") Reviewed-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
Alex Deucher <alexander.deucher@amd.com> Reported-by:
Amanoel Dawod <kernel@amanoeldawod.com> Reported-by:
Zoltán Kővágó <dirty.ice.hu@gmail.com> Reported-by:
Michael Stapelberg <michael+lkml@stapelberg.ch> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maxime Ripard <maxime@cerno.tech> Cc: dri-devel@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v5.14+ Link: https://patchwork.freedesktop.org/patch/msgid/20211005070355.7680-1-tzimmermann@suse.deSigned-off-by:
Dave Airlie <airlied@redhat.com>
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Douglas Anderson authored
In commit e11f5bd8 ("drm: Add support for DP 1.4 Compliance edid corruption test") the function connector_bad_edid() started assuming that the memory for the EDID passed to it was big enough to hold `edid[0x7e] + 1` blocks of data (1 extra for the base block). It completely ignored the fact that the function was passed `num_blocks` which indicated how much memory had been allocated for the EDID. Let's fix this by adding a bounds check. This is important for handling the case where there's an error in the first block of the EDID. In that case we will call connector_bad_edid() without having re-allocated memory based on `edid[0x7e]`. Fixes: e11f5bd8 ("drm: Add support for DP 1.4 Compliance edid corruption test") Reported-by:
Douglas Anderson <dianders@chromium.org> Reviewed-by:
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Dave Airlie authored
Merge tag 'mediatek-drm-fixes-5.15' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes Mediatek DRM Fixes for Linux 5.15 1. Revert series "CMDQ refinement of Mediatek DRM driver" Signed-off-by:
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Dave Airlie authored
Merge tag 'drm-intel-fixes-2021-10-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes drm/i915 fixes for v5.15-rc6: - Fix ACPI object leak - Fix context leak in user proto-context creation - Fix missing i915_sw_fence_fini call Signed-off-by:
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- 13 Oct, 2021 2 commits
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Zenghui Yu authored
As per the comment on top of acpi_evaluate_dsm(): | * Evaluate device's _DSM method with specified GUID, revision id and | * function number. Caller needs to free the returned object. We should free the returned object of acpi_evaluate_dsm() to avoid memory leakage. Otherwise the kmemleak splat will be triggered at boot time (if we compile kernel with CONFIG_DEBUG_TEST_DRIVER_REMOVE=y). Fixes: 8e55f99c ("drm/i915: Invoke another _DSM to enable MUX on HP Workstation laptops") Cc: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by:
Zenghui Yu <yuzenghui@huawei.com> Signed-off-by:
Jani Nikula <jani.nikula@intel.com>
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Matthew Brost authored
Set number of engines before attempting to create contexts so the function free_engines can clean up properly. Also check return of alloc_engines for NULL. v2: (Tvrtko) - Send as stand alone patch (John Harrison) - Check for alloc_engines returning NULL v3: (Checkpatch / Tvrtko) - Remove braces around single line if statement Cc: Jason Ekstrand <jason@jlekstrand.net> Fixes: d4433c76 ("drm/i915/gem: Use the proto-context to handle create parameters (v5)") Reviewed-by:
Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by:
Matthew Brost <matthew.brost@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by:
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- 12 Oct, 2021 20 commits
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Laurent Pinchart authored
On R-Car D3 and E3, the LVDS encoders provide the pixel clock to the DU, even when LVDS outputs are not used. For this reason, the rcar-lvds driver probes successfully on those platforms even if no further bridge or panel is connected to the LVDS output, in order to provide the rcar_lvds_clk_enable() and rcar_lvds_clk_disable() functions to the DU driver. If an LVDS output isn't connected, trying to create a DRM connector for the output will fail. Fix this by skipping connector creation in that case, and also skip creation of the DRM encoder as there's no point in an encoder without a connector. Fixes: e9e05694 ("drm: rcar-du: lvds: Convert to DRM panel bridge helper") Reported-by:
Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by:
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Tested-by:
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https://gitlab.freedesktop.org/drm/msmDave Airlie authored
* Fix a new crash on dev file close if the dev file was opened when GPU is not loaded (such as missing fw in initrd) * Switch to single drm_sched_entity per priority level per drm_file to unbreak multi-context userspace * Serialize GMU access to fix GMU OOB errors * Various error path fixes * A couple integer overflow fixes * Fix mdp5 cursor plane WARNs Signed-off-by:
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Dan Carpenter authored
This disables a lock which wasn't enabled and it does not disable the first lock in the array. Fixes: 6e0eb52e ("drm/msm/dsi: Parse bus clocks from a list") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20211001123409.GG2283@kiliSigned-off-by:
Rob Clark <robdclark@chromium.org>
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Dan Carpenter authored
Return an error code if msm_dsi_manager_validate_current_config(). Don't return success. Fixes: 8b03ad30 ("drm/msm/dsi: Use one connector for dual DSI mode") Signed-off-by:
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Marijn Suijten authored
The downstream driver models this PLL lock check as an if-elseif-else. The only way to reach the else case where pll_locked=true [1] is by succeeding both readl_poll_timeout_atomic calls (which return zero on success) in the if _and_ elseif condition. Hence both the "lock" and "ready" bit need to be tested in the SM_READY_STATUS register before considering the PLL locked and ready to go. Tested on the Sony Xperia XA2 Ultra (nile-discovery, sdm630). [1]: https://source.codeaurora.org/quic/la/kernel/msm-4.19/tree/drivers/clk/qcom/mdss/mdss-dsi-pll-14nm-util.c?h=LA.UM.9.2.1.r1-08000-sdm660.0#n302 Fixes: f079f6d9 ("drm/msm/dsi: Add PHY/PLL for 8x96") Signed-off-by:
Marijn Suijten <marijn.suijten@somainline.org> Reviewed-by:
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Dmitry Baryshkov authored
The commit 9f91f22a ("drm/msm/dsi: remove duplicate fields from dsi_pll_Nnm instances") mistakenly changed registered clock names. While the platform is in progress of migration to using clock properties in the dts rather than the global clock names, we should provide backwards compatibility. Thus restore registerd global clock names. Fixes: 9f91f22a ("drm/msm/dsi: remove duplicate fields from dsi_pll_Nnm instances") Signed-off-by:
Abhinav Kumar <abhinavk@codeaurora.org> Link: https://lore.kernel.org/r/20210921162245.1858118-1-dmitry.baryshkov@linaro.orgSigned-off-by:
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Robert Foss authored
Both PINGPONG4 and PINGPONG5 IRQ registers are using the same address, which is incorrect. PINGPONG4 should use the register offset 30, and PINGPONG5 should use the register offset 31 according to the downstream driver. Fixes: 667e9985 ("drm/msm/dpu: replace IRQ lookup with the data in hw catalog") Signed-off-by:
Robert Foss <robert.foss@linaro.org> Reviewed-by:
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Fabio Estevam authored
Since commit 98659487 ("drm/msm: add support to take dpu snapshot") the following NULL pointer dereference is seen on i.MX53: [ 3.275493] msm msm: bound 30000000.gpu (ops a3xx_ops) [ 3.287174] [drm] Initialized msm 1.8.0 20130625 for msm on minor 0 [ 3.293915] 8<--- cut here --- [ 3.297012] Unable to handle kernel NULL pointer dereference at virtual address 00000028 [ 3.305244] pgd = (ptrval) [ 3.307989] [00000028] *pgd=00000000 [ 3.311624] Internal error: Oops: 805 [#1] SMP ARM [ 3.316430] Modules linked in: [ 3.319503] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.14.0+g682d702b426b #1 [ 3.326652] Hardware name: Freescale i.MX53 (Device Tree Support) [ 3.332754] PC is at __mutex_init+0x14/0x54 [ 3.336969] LR is at msm_disp_snapshot_init+0x24/0xa0 i.MX53 does not use the DPU controller. Fix the problem by only calling msm_disp_snapshot_init() on platforms that use the DPU controller. Cc: stable@vger.kernel.org Fixes: 98659487 ("drm/msm: add support to take dpu snapshot") Signed-off-by:
Fabio Estevam <festevam@gmail.com> Link: https://lore.kernel.org/r/20210914174831.2044420-1-festevam@gmail.comSigned-off-by:
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Dan Carpenter authored
These error paths returned 1 on failure, instead of a negative error code. This would lead to an Oops in the caller. A second problem is that the check for "if (ret != -ENODATA)" did not work because "ret" was set to 1. Fixes: 5785dd7a ("drm/msm: Fix duplicate gpu node in icc summary") Signed-off-by:
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Dan Carpenter authored
This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if (ret != -ENODATA)" cannot be true because "ret" is set to 1. Fixes: 5785dd7a ("drm/msm: Fix duplicate gpu node in icc summary") Signed-off-by:
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Colin Ian King authored
The initialization of pointer dev dereferences pointer edp before edp is null checked, so there is a potential null pointer deference issue. Fix this by only dereferencing edp after edp has been null checked. Addresses-Coverity: ("Dereference before null check") Fixes: ab5b0107 ("drm/msm: Initial add eDP support in msm drm driver (v5)") Signed-off-by:Colin Ian King <colin.king@canonical.com> Reviewed-by:
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Dmitry Baryshkov authored
Since f35a2a99 ("drm/encoder: make encoder control functions optional") drm_mode_config_validate would print warnings if both cursor plane and cursor functions are provided. Restore separate set of drm_crtc_funcs to be used if separate cursor plane is provided. [ 6.556046] ------------[ cut here ]------------ [ 6.556071] [CRTC:93:crtc-0] must not have both a cursor plane and a cursor_set func [ 6.556091] WARNING: CPU: 1 PID: 76 at drivers/gpu/drm/drm_mode_config.c:648 drm_mode_config_validate+0x238/0x4d0 [ 6.567453] Modules linked in: [ 6.577604] CPU: 1 PID: 76 Comm: kworker/u8:2 Not tainted 5.15.0-rc1-dirty #43 [ 6.580557] Hardware name: Qualcomm Technologies, Inc. DB820c (DT) [ 6.587763] Workqueue: events_unbound deferred_probe_work_func [ 6.593926] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 6.599740] pc : drm_mode_config_validate+0x238/0x4d0 [ 6.606596] lr : drm_mode_config_validate+0x238/0x4d0 [ 6.611804] sp : ffff8000121b3980 [ 6.616838] x29: ffff8000121b3990 x28: 0000000000000000 x27: 0000000000000001 [ 6.620140] x26: ffff8000114cde50 x25: ffff8000114cdd40 x24: ffff0000987282d8 [ 6.627258] x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000001 [ 6.634376] x20: ffff000098728000 x19: ffff000080a39000 x18: ffffffffffffffff [ 6.641494] x17: 3136564e3631564e x16: 0000000000000324 x15: ffff800011c78709 [ 6.648613] x14: 0000000000000000 x13: ffff800011a22850 x12: 00000000000009ab [ 6.655730] x11: 0000000000000339 x10: ffff800011a22850 x9 : ffff800011a22850 [ 6.662848] x8 : 00000000ffffefff x7 : ffff800011a7a850 x6 : ffff800011a7a850 [ 6.669966] x5 : 000000000000bff4 x4 : 40000000fffff339 x3 : 0000000000000000 [ 6.677084] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00008093b800 [ 6.684205] Call trace: [ 6.691319] drm_mode_config_validate+0x238/0x4d0 [ 6.693577] drm_dev_register+0x17c/0x210 [ 6.698435] msm_drm_bind+0x4b4/0x694 [ 6.702429] try_to_bring_up_master+0x164/0x1d0 [ 6.706075] __component_add+0xa0/0x170 [ 6.710415] component_add+0x14/0x20 [ 6.714234] msm_hdmi_dev_probe+0x1c/0x2c [ 6.718053] platform_probe+0x68/0xe0 [ 6.721959] really_probe.part.0+0x9c/0x30c [ 6.725606] __driver_probe_device+0x98/0x144 [ 6.729600] driver_probe_device+0xc8/0x15c [ 6.734114] __device_attach_driver+0xb4/0x120 [ 6.738106] bus_for_each_drv+0x78/0xd0 [ 6.742619] __device_attach+0xdc/0x184 [ 6.746351] device_initial_probe+0x14/0x20 [ 6.750172] bus_probe_device+0x9c/0xa4 [ 6.754337] deferred_probe_work_func+0x88/0xc0 [ 6.758158] process_one_work+0x1d0/0x370 [ 6.762671] worker_thread+0x2c8/0x470 [ 6.766839] kthread+0x15c/0x170 [ 6.770483] ret_from_fork+0x10/0x20 [ 6.773870] ---[ end trace 5884eb76cd26d274 ]--- [ 6.777500] ------------[ cut here ]------------ [ 6.782043] [CRTC:93:crtc-0] must not have both a cursor plane and a cursor_move func [ 6.782063] WARNING: CPU: 1 PID: 76 at drivers/gpu/drm/drm_mode_config.c:654 drm_mode_config_validate+0x290/0x4d0 [ 6.794362] Modules linked in: [ 6.804600] CPU: 1 PID: 76 Comm: kworker/u8:2 Tainted: G W 5.15.0-rc1-dirty #43 [ 6.807555] Hardware name: Qualcomm Technologies, Inc. DB820c (DT) [ 6.816148] Workqueue: events_unbound deferred_probe_work_func [ 6.822311] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 6.828126] pc : drm_mode_config_validate+0x290/0x4d0 [ 6.834981] lr : drm_mode_config_validate+0x290/0x4d0 [ 6.840189] sp : ffff8000121b3980 [ 6.845223] x29: ffff8000121b3990 x28: 0000000000000000 x27: 0000000000000001 [ 6.848525] x26: ffff8000114cde50 x25: ffff8000114cdd40 x24: ffff0000987282d8 [ 6.855643] x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000001 [ 6.862763] x20: ffff000098728000 x19: ffff000080a39000 x18: ffffffffffffffff [ 6.869879] x17: 3136564e3631564e x16: 0000000000000324 x15: ffff800011c790c2 [ 6.876998] x14: 0000000000000000 x13: ffff800011a22850 x12: 0000000000000a2f [ 6.884116] x11: 0000000000000365 x10: ffff800011a22850 x9 : ffff800011a22850 [ 6.891234] x8 : 00000000ffffefff x7 : ffff800011a7a850 x6 : ffff800011a7a850 [ 6.898351] x5 : 000000000000bff4 x4 : 40000000fffff365 x3 : 0000000000000000 [ 6.905470] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00008093b800 [ 6.912590] Call trace: [ 6.919702] drm_mode_config_validate+0x290/0x4d0 [ 6.921960] drm_dev_register+0x17c/0x210 [ 6.926821] msm_drm_bind+0x4b4/0x694 [ 6.930813] try_to_bring_up_master+0x164/0x1d0 [ 6.934459] __component_add+0xa0/0x170 [ 6.938799] component_add+0x14/0x20 [ 6.942619] msm_hdmi_dev_probe+0x1c/0x2c [ 6.946438] platform_probe+0x68/0xe0 [ 6.950345] really_probe.part.0+0x9c/0x30c [ 6.953991] __driver_probe_device+0x98/0x144 [ 6.957984] driver_probe_device+0xc8/0x15c [ 6.962498] __device_attach_driver+0xb4/0x120 [ 6.966492] bus_for_each_drv+0x78/0xd0 [ 6.971004] __device_attach+0xdc/0x184 [ 6.974737] device_initial_probe+0x14/0x20 [ 6.978556] bus_probe_device+0x9c/0xa4 [ 6.982722] deferred_probe_work_func+0x88/0xc0 [ 6.986543] process_one_work+0x1d0/0x370 [ 6.991057] worker_thread+0x2c8/0x470 [ 6.995223] kthread+0x15c/0x170 [ 6.998869] ret_from_fork+0x10/0x20 [ 7.002255] ---[ end trace 5884eb76cd26d275 ]--- Fixes: aa649e87 ("drm/msm/mdp5: mdp5_crtc: Restore cursor state only if LM cursors are enabled") Signed-off-by:
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Marek Vasut authored
The return type of ktime_divns() is s64. The timeout_to_jiffies() currently assigns the result of this ktime_divns() to unsigned long, which on 32 bit systems may overflow. Furthermore, the result of this function is sometimes also passed to functions which expect signed long, dma_fence_wait_timeout() is one such example. Fix this by adjusting the type of remaining_jiffies to s64, so we do not suffer overflow there, and return a value limited to range of 0..INT_MAX, which is safe for all usecases of this timeout. The above overflow can be triggered if userspace passes in too large timeout value, larger than INT_MAX / HZ seconds. The kernel detects it and complains about "schedule_timeout: wrong timeout value %lx" and generates a warning backtrace. Note that this fixes commit 6cedb8b3 ("drm/msm: avoid using 'timespec'"), because the previously used timespec_to_jiffies() function returned unsigned long instead of s64: static inline unsigned long timespec_to_jiffies(const struct timespec *value) Fixes: 6cedb8b3 ("drm/msm: avoid using 'timespec'") Signed-off-by:
Marek Vasut <marex@denx.de> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Jordan Crouse <jcrouse@codeaurora.org> Cc: Rob Clark <robdclark@chromium.org> Cc: stable@vger.kernel.org # 5.6+ Acked-by:
Arnd Bergmann <arnd@arndb.de> Reviewed-by:
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Stephan Gerhold authored
There is no devfreq on a3xx at the moment since gpu_busy is not implemented. This means that msm_devfreq_init() will return early and the entire devfreq setup is skipped. However, msm_devfreq_active() and msm_devfreq_idle() are still called unconditionally later, causing a NULL pointer dereference: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 Internal error: Oops: 96000004 [#1] PREEMPT SMP CPU: 0 PID: 133 Comm: ring0 Not tainted 5.15.0-rc1 #4 Hardware name: Longcheer L8150 (DT) pc : mutex_lock_io+0x2bc/0x2f0 lr : msm_devfreq_active+0x3c/0xe0 [msm] Call trace: mutex_lock_io+0x2bc/0x2f0 msm_gpu_submit+0x164/0x180 [msm] msm_job_run+0x54/0xe0 [msm] drm_sched_main+0x2b0/0x4a0 [gpu_sched] kthread+0x154/0x160 ret_from_fork+0x10/0x20 Fix this by adding a check in msm_devfreq_active/idle() which ensures that devfreq was actually initialized earlier. Fixes: 9bc95570 ("drm/msm: Devfreq tuning") Reported-by:
Nikita Travkin <nikita@trvn.ru> Tested-by:
Stephan Gerhold <stephan@gerhold.net> Link: https://lore.kernel.org/r/20210913164556.16284-1-stephan@gerhold.netSigned-off-by:
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Kuogee Hsieh authored
Currently there is audio not working problem after system resume from suspend if hdmi monitor stay plugged in at DUT. However this problem does not happen at normal operation but at a particular test case. The root cause is DP driver signal audio with connected state at resume which trigger audio trying to setup audio data path through DP main link but failed due to display port is not setup and enabled by upper layer framework yet. This patch only have DP driver signal audio only when DP is in disconnected state so that audio option shows correct state after system resume. DP driver will not signal audio with connected state until display enabled executed by upper layer framework where display port is setup completed and main link is running. Changes in V2: -- add details commit text Fixes: afc9b8b6 ("drm/msm/dp: signal audio plugged change at dp_pm_resume") Signed-off-by:
Kuogee Hsieh <khsieh@codeaurora.org> Reviewed-by:
Stephen Boyd <swboyd@chromium.org> Link: https://lore.kernel.org/r/1632932224-25102-1-git-send-email-khsieh@codeaurora.orgSigned-off-by:
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Chun-Kuang Hu authored
This reverts commit c1ec54b7. Commit c1ec54b7 ("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb") would cause numerous mtk cmdq mailbox driver warning: WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198 cmdq_task_exec_done+0xb8/0xe0 So revert that patch. Reported-by:
Enric Balletbo Serra <eballetbo@gmail.com> Tested-by:
Chun-Kuang Hu <chunkuang.hu@kernel.org>
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Chun-Kuang Hu authored
This reverts commit f4be17cd. Commit c1ec54b7 ("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb") would cause numerous mtk cmdq mailbox driver warning: WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198 cmdq_task_exec_done+0xb8/0xe0 So revert that patch and all the patches depend on that patch. Reported-by:
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Chun-Kuang Hu authored
This reverts commit 8cdcb365. Commit c1ec54b7 ("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb") would cause numerous mtk cmdq mailbox driver warning: WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198 cmdq_task_exec_done+0xb8/0xe0 So revert that patch and all the patches depend on that patch. Reported-by:
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Chun-Kuang Hu authored
This reverts commit bc9241be. Commit c1ec54b7 ("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb") would cause numerous mtk cmdq mailbox driver warning: WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198 cmdq_task_exec_done+0xb8/0xe0 So revert that patch and all the patches depend on that patch. Reported-by:
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Chun-Kuang Hu authored
This reverts commit 9efb16c2. Commit c1ec54b7 ("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb") would cause numerous mtk cmdq mailbox driver warning: WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198 cmdq_task_exec_done+0xb8/0xe0 So revert that patch and all the patches depend on that patch. Reported-by:
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- 11 Oct, 2021 2 commits
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Matthew Auld authored
Seems to fix some object-debug splat which appeared while debugging something unrelated. v2: s/guc_blocked/guc_state.blocked/ Signed-off-by:
Matthew Auld <matthew.auld@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Tested-by:
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Linus Torvalds authored
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- 10 Oct, 2021 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: "A bit of a big batch, partly because I didn't send any last week, and also just because the BPF fixes happened to land this week. Summary: - Fix a regression hit by the IPR SCSI driver, introduced by the recent addition of MSI domains on pseries. - A big series including 8 BPF fixes, some with potential security impact and the rest various code generation issues. - Fix our program check assembler entry path, which was accidentally jumping into a gas macro and generating strange stack frames, which could confuse find_bug(). - A couple of fixes, and related changes, to fix corner cases in our machine check handling. - Fix our DMA IOMMU ops, which were not always returning the optimal DMA mask, leading to at least one device falling back to 32-bit DMA when it shouldn't. - A fix for KUAP handling on 32-bit Book3S. - Fix crashes seen when kdumping on some pseries systems. Thanks to Naveen N. Rao, Nicholas Piggin, Alexey Kardashevskiy, Cédric Le Goater, Christophe Leroy, Mahesh Salgaonkar, Abdul Haleem, Christoph Hellwig, Johan Almbladh, Stan Johnson" * tag 'powerpc-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: pseries/eeh: Fix the kdump kernel crash during eeh_pseries_init powerpc/32s: Fix kuap_kernel_restore() powerpc/pseries/msi: Add an empty irq_write_msi_msg() handler powerpc/64s: Fix unrecoverable MCE calling async handler from NMI powerpc/64/interrupt: Reconcile soft-mask state in NMI and fix false BUG powerpc/64: warn if local irqs are enabled in NMI or hardirq context powerpc/traps: do not enable irqs in _exception powerpc/64s: fix program check interrupt emergency stack path powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000 powerpc/bpf ppc32: Do not emit zero extend instruction for 64-bit BPF_END powerpc/bpf ppc32: Fix JMP32_JSET_K powerpc/bpf ppc32: Fix ALU32 BPF_ARSH operation powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC powerpc/security: Add a helper to query stf_barrier type powerpc/bpf: Fix BPF_SUB when imm == 0x80000000 powerpc/bpf: Fix BPF_MOD when imm == 1 powerpc/bpf: Validate branch ranges powerpc/lib: Add helper to check if offset is within conditional branch range powerpc/iommu: Report the correct most efficient DMA mask for PCI devices -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull objtool fixes from Borislav Petkov: - Remove an extra section.len member in favour of section.sh_size - Align .altinstructions section creation with the kernel's by creating them with entry size of 0 - Fix objtool to convert a reloc symbol to a section offset and not to not warn about not knowing how * tag 'objtool_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Remove redundant 'len' field from struct section objtool: Make .altinstructions section entry size consistent objtool: Remove reloc symbol type checks in get_alt_entry()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Borislav Petkov: - A FPU fix to properly handle invalid MXCSR values: 32-bit masks them out due to historical reasons and 64-bit kernels reject them - A fix to clear X86_FEATURE_SMAP when support for is not config-enabled - Three fixes correcting misspelled Kconfig symbols used in code - Two resctrl object cleanup fixes - Yet another attempt at fixing the neverending saga of botched x86 timers, this time because some incredibly smart hardware decides to turn off the HPET timer in a low power state - who cares if the OS is relying on it... - Check the full return value range of an SEV VMGEXIT call to determine whether it returned an error * tag 'x86_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fpu: Restore the masking out of reserved MXCSR bits x86/Kconfig: Correct reference to MWINCHIP3D x86/platform/olpc: Correct ifdef symbol to intended CONFIG_OLPC_XO15_SCI x86/entry: Clear X86_FEATURE_SMAP when CONFIG_X86_SMAP=n x86/entry: Correct reference to intended CONFIG_64_BIT x86/resctrl: Fix kfree() of the wrong type in domain_add_cpu() x86/resctrl: Free the ctrlval arrays when domain_setup_mon_state() fails x86/hpet: Use another crystalball to evaluate HPET usability x86/sev: Return an error on a returned non-zero SW_EXITINFO1[31:0]
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- 09 Oct, 2021 5 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c fixes from Wolfram Sang: "Three driver bugfixes and one leak fix for the core" * 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: mlxcpld: Modify register setting for 400KHz frequency i2c: mlxcpld: Fix criteria for frequency setting i2c: mediatek: Add OFFSET_EXT_CONF setting back i2c: acpi: fix resource leak in reconfiguration device addition
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fixes from James Bottomley: "Five fixes, all in drivers. The big change is the UFS task management rework, with lpfc next and the rest being fairly minor and obvious fixes" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: iscsi: Fix iscsi_task use after free scsi: lpfc: Fix memory overwrite during FC-GS I/O abort handling scsi: elx: efct: Delete stray unlock statement scsi: ufs: core: Fix task management completion scsi: acornscsi: Remove scsi_cmd_to_tag() reference
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: "Two small fixes for this release: - Add missing QUEUE_FLAG_HCTX_ACTIVE in the debugfs handling (Johannes) - Fix double free / UAF issue in __alloc_disk_node (Tetsuo)" * tag 'block-5.15-2021-10-09' of git://git.kernel.dk/linux-block: block: decode QUEUE_FLAG_HCTX_ACTIVE in debugfs output block: genhd: fix double kfree() in __alloc_disk_node() -
git://git.samba.org/ksmbdLinus Torvalds authored
Pull ksmbd fixes from Steve French: "Six fixes for the ksmbd kernel server, including two additional overflow checks, a fix for oops, and some cleanup (e.g. remove dead code for less secure dialects that has been removed)" * tag '5.15-rc4-ksmbd-fixes' of git://git.samba.org/ksmbd: ksmbd: fix oops from fuse driver ksmbd: fix version mismatch with out of tree ksmbd: use buf_data_size instead of recalculation in smb3_decrypt_req() ksmbd: remove the leftover of smb2.0 dialect support ksmbd: check strictly data area in ksmbd_smb2_check_message() ksmbd: add the check to vaildate if stream protocol length exceeds maximum value
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linuxLinus Torvalds authored
Pull RISC-V fixes from Palmer Dabbelt: - A pair of fixes (along with the necessory cleanup) to our VDSO, to avoid a locking during OOM and to prevent the text from overflowing into the data page - A fix to checksyscalls to teach it about our rv32 UABI - A fix to add clone3() to the rv32 UABI, which was pointed out by checksyscalls - A fix to properly flush the icache on the local CPU in addition to the remote CPUs * tag 'riscv-for-linus-5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: checksyscalls: Unconditionally ignore fstat{,at}64 riscv: Flush current cpu icache before other cpus RISC-V: Include clone3() on rv32 riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for write killable riscv/vdso: Move vdso data page up front riscv/vdso: Refactor asm/vdso.h
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- 08 Oct, 2021 4 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxLinus Torvalds authored
Pull s390 fixes from Vasily Gorbik: - Fix potential memory leak on a error path in eBPF - Fix handling of zpci device on reserve * tag 's390-5.15-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/pci: fix zpci_zdev_put() on reserve bpf, s390: Fix potential memory leak about jit_data
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git://github.com/jcmvbkbc/linux-xtensaLinus Torvalds authored
Pull xtensa fixes from Max Filippov: - fix build/boot issues caused by CONFIG_OF vs CONFIC_USE_OF usage - fix reset handler for xtfpga boards * tag 'xtensa-20211008' of git://github.com/jcmvbkbc/linux-xtensa: xtensa: xtfpga: Try software restart before simulating CPU reset xtensa: xtfpga: use CONFIG_USE_OF instead of CONFIG_OF xtensa: call irqchip_init only when CONFIG_USE_OF is selected xtensa: use CONFIG_USE_OF instead of CONFIG_OF
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen fixes from Juergen Gross: - fix two minor issues in the Xen privcmd driver plus a cleanup patch for that driver - fix multiple issues related to running as PVH guest and some related earlyprintk fixes for other Xen guest types - fix an issue introduced in 5.15 the Xen balloon driver * tag 'for-linus-5.15b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/balloon: fix cancelled balloon action xen/x86: adjust data placement x86/PVH: adjust function/data placement xen/x86: hook up xen_banner() also for PVH xen/x86: generalize preferred console model from PV to PVH Dom0 xen/x86: make "earlyprintk=xen" work for HVM/PVH DomU xen/x86: allow "earlyprintk=xen" to work for PV Dom0 xen/x86: make "earlyprintk=xen" work better for PVH Dom0 xen/x86: allow PVH Dom0 without XEN_PV=y xen/x86: prevent PVH type from getting clobbered xen/privcmd: drop "pages" parameter from xen_remap_pfn() xen/privcmd: fix error handling in mmap-resource processing xen/privcmd: replace kcalloc() by kvcalloc() when allocating empty pages
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Linus Torvalds authored
Merge tag 'asm-generic-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic fixes from Arnd Bergmann: "There is one build fix for Arm platforms that ended up impacting most architectures because of the way the drivers/firmware Kconfig file is wired up: The CONFIG_QCOM_SCM dependency have caused a number of randconfig regressions over time, and some still remain in v5.15-rc4. The fix we agreed on in the end is to make this symbol selected by any driver using it, and then building it even for non-Arm platforms with CONFIG_COMPILE_TEST. To make this work on all architectures, the drivers/firmware/Kconfig file needs to be included for all architectures to make the symbol itself visible. In a separate discussion, we found that a sound driver patch that is pending for v5.16 needs the same change to include this Kconfig file, so the easiest solution seems to have my Kconfig rework included in v5.15. Finally, the branch also includes a small unrelated build fix for NOMMU architectures" Link: https://lore.kernel.org/all/20210928153508.101208f8@canb.auug.org.au/ Link: https://lore.kernel.org/all/20210928075216.4193128-1-arnd@kernel.org/ Link: https://lore.kernel.org/all/20211007151010.333516-1-arnd@kernel.org/ * tag 'asm-generic-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: asm-generic/io.h: give stub iounmap() on !MMU same prototype as elsewhere qcom_scm: hide Kconfig symbol firmware: include drivers/firmware/Kconfig unconditionally
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