- 08 Jan, 2021 2 commits
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git://anongit.freedesktop.org/drm/drm-miscDaniel Vetter authored
* dma-buf: fix a use-after-free * radeon: don't init the TTM page pool manually * ttm: unexport ttm_pool_{init,fini}() Signed-off-by:Daniel Vetter <daniel.vetter@ffwll.ch> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/X/gnKs52t8xUuAlE@linux-uq9g
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https://gitlab.freedesktop.org/drm/msmDaniel Vetter authored
A few misc fixes from Rob, mostly fallout from the locking rework that landed in the merge window, plus a few smaller things. Signed-off-by:
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- 07 Jan, 2021 9 commits
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Konrad Dybcio authored
Using this code on A5xx (and probably older too) causes a smmu bug. Fixes: 474dadb8 ("drm/msm/a6xx: Add support for using system cache(LLC)") Signed-off-by:
Konrad Dybcio <konrad.dybcio@somainline.org> Tested-by:
AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> Reviewed-by:
Jordan Crouse <jcrouse@codeaurora.org> Reviewed-by:
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> Signed-off-by:
Rob Clark <robdclark@chromium.org>
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Iskren Chernev authored
Using the GPU with a VRAM Carveout is a security vulnerability. Nevertheless it is sometimes required, especially when no IOMMU implementation is available for a certain platform. Signed-off-by:
Iskren Chernev <iskren.chernev@gmail.com> Signed-off-by:
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Craig Tatlor authored
vram.size is needed when binding a gpu without an iommu and is defined in msm_init_vram(), so run that before binding it. Signed-off-by:
Craig Tatlor <ctatlor97@gmail.com> Reviewed-by:
Brian Masney <masneyb@onstation.org> Tested-by:
Alexey Minnekhanov <alexeymin@postmarketos.org> Signed-off-by:
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Kuogee Hsieh authored
irq_hpd event can only be executed at connected state. Therefore irq_hpd event should be postponed if it happened at connection pending state. This patch also make sure both link rate and lane are valid before start link training. Signed-off-by:
Kuogee Hsieh <khsieh@codeaurora.org> Signed-off-by:
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Christian König authored
Drivers are not supposed to use this directly any more. Signed-off-by:
Christian König <christian.koenig@amd.com> Reviewed-by:
Huang Rui <ray.huang@amd.com> Link: https://patchwork.freedesktop.org/patch/412156/
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Christian König authored
Drivers are not supposed to init the page pool directly any more. Signed-off-by:
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Charan Teja Reddy authored
It is observed 'use-after-free' on the dmabuf's file->f_inode with the race between closing the dmabuf file and reading the dmabuf's debug info. Consider the below scenario where P1 is closing the dma_buf file and P2 is reading the dma_buf's debug info in the system: P1 P2 dma_buf_debug_show() dma_buf_put() __fput() file->f_op->release() dput() .... dentry_unlink_inode() iput(dentry->d_inode) (where the inode is freed) mutex_lock(&db_list.lock) read 'dma_buf->file->f_inode' (the same inode is freed by P1) mutex_unlock(&db_list.lock) dentry->d_op->d_release()--> dma_buf_release() ..... mutex_lock(&db_list.lock) removes the dmabuf from the list mutex_unlock(&db_list.lock) In the above scenario, when dma_buf_put() is called on a dma_buf, it first frees the dma_buf's file->f_inode(=dentry->d_inode) and then removes this dma_buf from the system db_list. In between P2 traversing the db_list tries to access this dma_buf's file->f_inode that was freed by P1 which is a use-after-free case. Since, __fput() calls f_op->release first and then later calls the d_op->d_release, move the dma_buf's db_list removal from d_release() to f_op->release(). This ensures that dma_buf's file->f_inode is not accessed after it is released. Cc: <stable@vger.kernel.org> # 5.4.x- Fixes: 4ab59c3c ("dma-buf: Move dma_buf_release() from fops to dentry_ops") Acked-by:Charan Teja Reddy <charante@codeaurora.org> Signed-off-by:
Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by:
Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/1609857399-31549-1-git-send-email-charante@codeaurora.org
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Daniel Vetter authored
Merge tag 'drm-intel-fixes-2021-01-07' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes drm/i915 fixes for v5.11-rc3: - Use per-connector PM QoS tracking for DP aux communication - GuC firmware fix for older Cometlakes - Clear the gpu reloc and shadow batches Signed-off-by:
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Daniel Vetter authored
Merge tag 'amd-drm-fixes-5.11-2021-01-06' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-5.11-2021-01-06: amdgpu: - Telemetry fix for VGH - Powerplay fixes for RV - Powerplay fixes for RN - RAS fixes for Sienna Cichlid - Blank screen regression fix - Drop DCN support for aarch64 - Misc other fixes Signed-off-by:
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- 06 Jan, 2021 15 commits
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Alex Deucher authored
This reverts commit a135a1b4. This leads to blank screens on some boards after replugging a display. Revert until we understand the root cause and can fix both the leak and the blank screen after replug. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=211033 Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1427 Cc: Stylon Wang <stylon.wang@amd.com> Cc: Harry Wentland <harry.wentland@amd.com> Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Cc: Andre Tomt <andre@tomt.net> Cc: Oleksandr Natalenko <oleksandr@natalenko.name> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
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Alex Deucher authored
From Ard: "Simply disabling -mgeneral-regs-only left and right is risky, given that the standard AArch64 ABI permits the use of FP/SIMD registers anywhere, and GCC is known to use SIMD registers for spilling, and may invent other uses of the FP/SIMD register file that have nothing to do with the floating point code in question. Note that putting kernel_neon_begin() and kernel_neon_end() around the code that does use FP is not sufficient here, the problem is in all the other code that may be emitted with references to SIMD registers in it. So the only way to do this properly is to put all floating point code in a separate compilation unit, and only compile that unit with -mgeneral-regs-only." Disable support until the code can be properly refactored to support this properly on aarch64. Acked-by:
Will Deacon <will@kernel.org> Reported-by:
Ard Biesheuvel <ardb@kernel.org> Signed-off-by:
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John Clements authored
added I2C address and asic support flag Reviewed-by:
Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by:
John Clements <john.clements@amd.com> Signed-off-by:
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Dennis Li authored
old code wrongly used the bad page status as the function return value, which cause amdgpu_ras_badpages_read always return failed. Signed-off-by:
Dennis Li <Dennis.Li@amd.com> Reviewed-by:
Guchun Chen <guchun.chen@amd.com> Signed-off-by:
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Jiawei Gu authored
Navi12 HDCP & DTM deinitialization needs continue to free bo if already created though initialized flag is not set. Reviewed-by:
Jiawei Gu <Jiawei.Gu@amd.com> Signed-off-by:
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Arnd Bergmann authored
Some of the newly added code is hidden inside of #ifdef blocks, but one variable is unused when debugfs is disabled: drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:8370:8: error: unused variable 'configure_crc' [-Werror,-Wunused-variable] Change the #ifdef to an if(IS_ENABLED()) check to fix the warning and avoid adding more #ifdefs. Fixes: c920888c ("drm/amd/display: Expose new CRC window property") Reviewed-by:
Wayne Lin <Wayne.Lin@amd.com> Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Xiaojian Du authored
This patch is to improve the fine grain tuning function for RV/RV2/PCO. The fine grain tuning function uses the sysfs node -- pp_od_clk_voltage to config gfxclk. Meanwhile, another sysfs node -- power_dpm_force_perfomance_level also affects the gfx clk. It will cause confusion when these two sysfs nodes works together. So this patch adds one flag to avoid this confusion, the flag will make these two sysfs nodes work separately. The flag is set as "disabled" by default, so the fine grain tuning function will be disabled by default. Only when power_dpm_force_perfomance_level is changed to "manual" mode, the flag will be set as "enabled", and the fine grain tuning function will be enabled. In other profile modes, including "auto", "high", "low", "profile_peak", "profile_standard", "profile_min_sclk", "profile_min_mclk", the flag will be set as "disabled", and the od range of fine grain tuning function will be restored default value. Signed-off-by:
Xiaojian Du <Xiaojian.Du@amd.com> Reviewed-by:
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Xiaojian Du authored
This patch is to fix the failure when change power profile to "profile_peak" for renoir. Signed-off-by:
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Dennis Li authored
When GFXOFF is enabled and GPU is idle, driver will fail to access some registers. Therefore change to disable power gating before all access registers with MMIO. Dmesg log is as following: amdgpu 0000:03:00.0: amdgpu: amdgpu: finishing device. amdgpu: cp queue pipe 4 queue 0 preemption failed amdgpu 0000:03:00.0: amdgpu: failed to write reg 2890 wait reg 28a2 amdgpu 0000:03:00.0: amdgpu: failed to write reg 1a6f4 wait reg 1a706 amdgpu 0000:03:00.0: amdgpu: failed to write reg 2890 wait reg 28a2 amdgpu 0000:03:00.0: amdgpu: failed to write reg 1a6f4 wait reg 1a706 Signed-off-by:
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Dennis Li authored
ASD and TA share the same firmware in SIENNA_CICHLID and only TA firmware is requested during boot, so only need release TA firmware when remove device. [ 83.877150] general protection fault, probably for non-canonical address 0x1269f97e6ed04095: 0000 [#1] SMP PTI [ 83.888076] CPU: 0 PID: 1312 Comm: modprobe Tainted: G W OE 5.9.0-rc5-deli-amd-vangogh-0.0.6.6-114-gdd99d5669a96-dirty #2 [ 83.901160] Hardware name: System manufacturer System Product Name/TUF Z370-PLUS GAMING II, BIOS 0411 09/21/2018 [ 83.912353] RIP: 0010:free_fw_priv+0xc/0x120 [ 83.917531] Code: e8 99 cd b0 ff b8 a1 ff ff ff eb 9f 4c 89 f7 e8 8a cd b0 ff b8 f4 ff ff ff eb 90 0f 1f 00 0f 1f 44 00 00 55 48 89 e5 41 54 53 <4c> 8b 67 18 48 89 fb 4c 89 e7 e8 45 94 41 00 b8 ff ff ff ff f0 0f [ 83.937576] RSP: 0018:ffffbc34c13a3ce0 EFLAGS: 00010206 [ 83.943699] RAX: ffffffffbb681850 RBX: ffffa047f117eb60 RCX: 0000000080800055 [ 83.951879] RDX: ffffbc34c1d5f000 RSI: 0000000080800055 RDI: 1269f97e6ed04095 [ 83.959955] RBP: ffffbc34c13a3cf0 R08: 0000000000000000 R09: 0000000000000001 [ 83.968107] R10: ffffbc34c13a3cc8 R11: 00000000ffffff00 R12: ffffa047d6b23378 [ 83.976166] R13: ffffa047d6b23338 R14: ffffa047d6b240c8 R15: 0000000000000000 [ 83.984295] FS: 00007f74f6712540(0000) GS:ffffa047fbe00000(0000) knlGS:0000000000000000 [ 83.993323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.000056] CR2: 0000556a1cca4e18 CR3: 000000021faa8004 CR4: 00000000003706f0 [ 84.008128] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.016155] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.024174] Call Trace: [ 84.027514] release_firmware.part.11+0x4b/0x70 [ 84.033017] release_firmware+0x13/0x20 [ 84.037803] psp_sw_fini+0x77/0xb0 [amdgpu] [ 84.042857] amdgpu_device_fini+0x38c/0x5d0 [amdgpu] [ 84.048815] amdgpu_driver_unload_kms+0x43/0x70 [amdgpu] [ 84.055055] drm_dev_unregister+0x73/0xb0 [drm] [ 84.060499] drm_dev_unplug+0x28/0x30 [drm] [ 84.065598] amdgpu_dev_uninit+0x1b/0x40 [amdgpu] [ 84.071223] amdgpu_pci_remove+0x4e/0x70 [amdgpu] [ 84.076835] pci_device_remove+0x3e/0xc0 [ 84.081609] device_release_driver_internal+0xfb/0x1c0 [ 84.087558] driver_detach+0x4d/0xa0 [ 84.092041] bus_remove_driver+0x5f/0xe0 [ 84.096854] driver_unregister+0x2f/0x50 [ 84.101594] pci_unregister_driver+0x22/0xa0 [ 84.106806] amdgpu_exit+0x15/0x2b [amdgpu] Signed-off-by:
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Hawking Zhang authored
global noretry setting is cached to gmc.noretry Signed-off-by:
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Kevin Wang authored
fix NULL pointer issue when read sysfs amdgpu_current_backlight_pwm sysfs node. Call Trace: [ 248.273833] BUG: kernel NULL pointer dereference, address: 0000000000000130 [ 248.273930] #PF: supervisor read access in kernel mode [ 248.273993] #PF: error_code(0x0000) - not-present page [ 248.274054] PGD 0 P4D 0 [ 248.274092] Oops: 0000 [#1] SMP PTI [ 248.274138] CPU: 2 PID: 1377 Comm: cat Tainted: G OE 5.9.0-rc5-drm-next-5.9+ #1 [ 248.274233] Hardware name: System manufacturer System Product Name/Z170-A, BIOS 3802 03/15/2018 [ 248.274641] RIP: 0010:dc_link_get_backlight_level+0x5/0x70 [amdgpu] [ 248.274718] Code: 67 ff ff ff 41 b9 03 00 00 00 e9 45 ff ff ff d1 ea e9 55 ff ff ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <48> 8b 87 30 01 00 00 48 8b 00 48 8b 88 88 03 00 00 48 8d 81 e8 01 [ 248.274919] RSP: 0018:ffffb5ad809b3df0 EFLAGS: 00010203 [ 248.274982] RAX: ffffa0f77d1c0010 RBX: ffffa0f793ae9168 RCX: 0000000000000001 [ 248.275064] RDX: ffffa0f79753db00 RSI: 0000000000000001 RDI: 0000000000000000 [ 248.275145] RBP: ffffb5ad809b3e00 R08: ffffb5ad809b3da0 R09: 0000000000000000 [ 248.275225] R10: ffffb5ad809b3e68 R11: 0000000000000000 R12: ffffa0f793ae9190 [ 248.275306] R13: ffffb5ad809b3ef0 R14: 0000000000000001 R15: ffffa0f793ae9168 [ 248.275388] FS: 00007f5f1ec4d540(0000) GS:ffffa0f79ec80000(0000) knlGS:0000000000000000 [ 248.275480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 248.275547] CR2: 0000000000000130 CR3: 000000042a03c005 CR4: 00000000003706e0 [ 248.275628] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 248.275708] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 248.275789] Call Trace: [ 248.276124] ? current_backlight_read+0x24/0x40 [amdgpu] [ 248.276194] seq_read+0xc3/0x3f0 [ 248.276240] full_proxy_read+0x5c/0x90 [ 248.276290] vfs_read+0xa7/0x190 [ 248.276334] ksys_read+0xa7/0xe0 [ 248.276379] __x64_sys_read+0x1a/0x20 [ 248.276429] do_syscall_64+0x37/0x80 [ 248.276477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 248.276538] RIP: 0033:0x7f5f1e75c191 [ 248.276585] Code: fe ff ff 48 8d 3d b7 9d 0a 00 48 83 ec 08 e8 46 4d 02 00 66 0f 1f 44 00 00 48 8d 05 71 07 2e 00 8b 00 85 c0 75 13 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 57 f3 c3 0f 1f 44 00 00 41 54 55 49 89 d4 53Hw [ 248.276784] RSP: 002b:00007ffcb1fc3f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 248.276872] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f5f1e75c191 [ 248.276953] RDX: 0000000000020000 RSI: 00007f5f1ec2b000 RDI: 0000000000000003 [ 248.277034] RBP: 0000000000020000 R08: 00000000ffffffff R09: 0000000000000000 [ 248.277115] R10: 0000000000000022 R11: 0000000000000246 R12: 00007f5f1ec2b000 [ 248.277195] R13: 0000000000000003 R14: 00007f5f1ec2b00f R15: 0000000000020000 [ 248.277279] Modules linked in: amdgpu(OE) iommu_v2 gpu_sched ttm(OE) drm_kms_helper cec drm i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace fscache nls_iso8859_1 snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic ledtrig_audio intel_rapl_msr intel_rapl_common snd_hda_intel snd_intel_dspcfg x86_pkg_temp_thermal intel_powerclamp snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event mei_hdcp coretemp snd_rawmidi snd_seq kvm_intel kvm snd_seq_device snd_timer irqbypass joydev snd input_leds soundcore crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper rapl intel_cstate mac_hid mei_me serio_raw mei eeepc_wmi wmi_bmof asus_wmi mxm_wmi intel_wmi_thunderbolt acpi_pad sparse_keymap efi_pstore sch_fq_codel parport_pc ppdev lp parport sunrpc ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid e1000e psmouse ahci libahci wmi video [ 248.278211] CR2: 0000000000000130 [ 248.278221] ---[ end trace 1fbe72fe6f91091d ]--- [ 248.357226] RIP: 0010:dc_link_get_backlight_level+0x5/0x70 [amdgpu] [ 248.357272] Code: 67 ff ff ff 41 b9 03 00 00 00 e9 45 ff ff ff d1 ea e9 55 ff ff ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <48> 8b 87 30 01 00 00 48 8b 00 48 8b 88 88 03 00 00 48 8d 81 e8 01 Signed-off-by:
Kevin Wang <kevin1.wang@amd.com> Acked-by:
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John Clements authored
sienna cichlid interfaces with RAS eeprom on I2C controller port 1 Reviewed-by:
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Xiaojian Du authored
This patch is to improve the fine grain tuning function for RV/RV2/PCO. This patch adds two new commands: "restore" and "commit". This function uses the pp_od_clk_voltage sysfs file to configure the min and max value of gfx clock frequency manually or restore the default value. Command guide: echo "s level value" > pp_od_clk_voltage "s" - set the sclk frequency "level" - 0 or 1, "0" represents the min value, "1" represents the max value "value" - the target value of sclk frequency, it should be limited in the safe range echo "r" > pp_od_clk_voltage "r" - reset the sclk frequency, restore the default value instantly echo "c" > pp_od_clk_voltage "c" - commit the min and max value of sclk frequency to the system only after the commit command, the target values set by "s" command will take effect. Example: 1)change power profile from "auto" to "manual" $ cat power_dpm_force_performance_level auto $ echo "manual" > power_dpm_force_performance_level $ cat power_dpm_force_performance_level manual 2)check the default sclk frequency $ cat pp_od_clk_voltage OD_SCLK: 0: 200Mhz 1: 1400Mhz OD_RANGE: SCLK: 200MHz 1400MHz 3)use "s" -- set command to configure the min and max sclk frequency $ echo "s 0 600" > pp_od_clk_voltage $ echo "s 1 1000" > pp_od_clk_voltage $ echo "c" > pp_od_clk_voltage $ cat pp_od_clk_voltage OD_SCLK: 0: 600Mhz 1: 1000Mhz OD_RANGE: SCLK: 200MHz 1400MHz 4)use "r" -- reset command to restore the min or max sclk frequency $ echo "r" > pp_od_clk_voltage $ cat pp_od_clk_voltage OD_SCLK: 0: 200Mhz 1: 1400Mhz OD_RANGE: SCLK: 200MHz 1400MHz Signed-off-by:Evan Quan <evan.quan@amd.com> Signed-off-by:
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Xiaojian Du authored
This patch is to correct the sensor value of power for vangogh. Signed-off-by:
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- 05 Jan, 2021 4 commits
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Chris Wilson authored
Since multiple connectors may run intel_dp_aux_xfer conncurrently, a single global pm_qos does not suffice. (One connector may disable the dma-latency boost prematurely while the second is still depending on it.) Instead of a single global pm_qos, track the pm_qos request for each intel_dp. v2: Move the pm_qos setup/teardown to intel_dp_aux_init/fini Fixes: 9ee32fea ("drm/i915: irq-drive the dp aux communication") Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Imre Deak <imre.deak@intel.com> Reviewed-by:
Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201230202309.23982-1-chris@chris-wilson.co.uk (cherry picked from commit b3304591) Signed-off-by:
Jani Nikula <jani.nikula@intel.com>
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Chris Wilson authored
When splitting the Coffeelake define to also identify Cometlakes, I missed the double fw_def for Coffeelake. That is only newer Cometlakes use the cml specific guc firmware, older Cometlakes should use kbl firmware. Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2859 Fixes: 5f4ae270 ("drm/i915: Identify Cometlake platform") Signed-off-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201229120828.29931-1-chris@chris-wilson.co.uk (cherry picked from commit 70960ab2) Signed-off-by:
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Matthew Auld authored
The reloc batch is short lived but can exist in the user visible ppGTT, and since it's backed by an internal object, which lacks page clearing, we should take care to clear it upfront. Signed-off-by:
Matthew Auld <matthew.auld@intel.com> Reviewed-by:
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Matthew Auld authored
The shadow batch is an internal object, which doesn't have any page clearing, and since the batch_len can be smaller than the object, we should take care to clear it. Testcase: igt/gen9_exec_parse/shadow-peek Fixes: 4f7af194 ("drm/i915: Support ro ppgtt mapped cmdparser shadow buffers") Signed-off-by:
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- 03 Jan, 2021 1 commit
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Linus Torvalds authored
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- 02 Jan, 2021 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxLinus Torvalds authored
Pull s390 cleanups from Vasily Gorbik: "Update defconfigs and sort config select list" * tag 's390-5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/Kconfig: sort config S390 select list once again s390: update defconfigs
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fixes from Rafael Wysocki: "These fix a crash in intel_pstate during resume from suspend-to-RAM that may occur after recent changes and two resource leaks in error paths in the operating performance points (OPP) framework, add a new C-states table to intel_idle and update the cpuidle MAINTAINERS entry to cover the governors too. Specifics: - Fix recently introduced crash in the intel_pstate driver that occurs if scale-invariance is disabled during resume from suspend-to-RAM due to inconsistent changes of APERF or MPERF MSR values made by the platform firmware (Rafael Wysocki). - Fix a memory leak and add a missing clk_put() in error paths in the OPP framework (Quanyang Wang, Viresh Kumar). - Add new C-states table for SnowRidge processors to the intel_idle driver (Artem Bityutskiy). - Update the MAINTAINERS entry for cpuidle to make it clear that the governors are covered by it too (Lukas Bulwahn)" * tag 'pm-5.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: intel_idle: add SnowRidge C-state table cpufreq: intel_pstate: Fix fast-switch fallback path opp: Call the missing clk_put() on error opp: fix memory leak in _allocate_opp_table MAINTAINERS: include governors into CPU IDLE TIME MANAGEMENT FRAMEWORK -
Rafael J. Wysocki authored
* pm-cpufreq: cpufreq: intel_pstate: Fix fast-switch fallback path * pm-cpuidle: intel_idle: add SnowRidge C-state table MAINTAINERS: include governors into CPU IDLE TIME MANAGEMENT FRAMEWORK
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- 01 Jan, 2021 4 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fixes from James Bottomley: "This is a load of driver fixes (12 ufs, 1 mpt3sas, 1 cxgbi). The big core two fixes are for power management ("block: Do not accept any requests while suspended" and "block: Fix a race in the runtime power management code") which finally sorts out the resume problems we've occasionally been having. To make the resume fix, there are seven necessary precursors which effectively renames REQ_PREEMPT to REQ_PM, so every "special" request in block is automatically a power management exempt one. All of the non-PM preempt cases are removed except for the one in the SCSI Parallel Interface (spi) domain validation which is a genuine case where we have to run requests at high priority to validate the bus so this becomes an autopm get/put protected request" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (22 commits) scsi: cxgb4i: Fix TLS dependency scsi: ufs: Un-inline ufshcd_vops_device_reset function scsi: ufs: Re-enable WriteBooster after device reset scsi: ufs-mediatek: Use correct path to fix compile error scsi: mpt3sas: Signedness bug in _base_get_diag_triggers() scsi: block: Do not accept any requests while suspended scsi: block: Remove RQF_PREEMPT and BLK_MQ_REQ_PREEMPT scsi: core: Only process PM requests if rpm_status != RPM_ACTIVE scsi: scsi_transport_spi: Set RQF_PM for domain validation commands scsi: ide: Mark power management requests with RQF_PM instead of RQF_PREEMPT scsi: ide: Do not set the RQF_PREEMPT flag for sense requests scsi: block: Introduce BLK_MQ_REQ_PM scsi: block: Fix a race in the runtime power management code scsi: ufs-pci: Enable UFSHCD_CAP_RPM_AUTOSUSPEND for Intel controllers scsi: ufs-pci: Fix recovery from hibernate exit errors for Intel controllers scsi: ufs-pci: Ensure UFS device is in PowerDown mode for suspend-to-disk ->poweroff() scsi: ufs-pci: Fix restore from S4 for Intel controllers scsi: ufs-mediatek: Keep VCC always-on for specific devices scsi: ufs: Allow regulators being always-on scsi: ufs: Clear UAC for RPMB after ufshcd resets ... -
git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: "Two minor block fixes from this last week that should go into 5.11: - Add missing NOWAIT debugfs definition (Andres) - Fix kerneldoc warning introduced this merge window (Randy)" * tag 'block-5.11-2021-01-01' of git://git.kernel.dk/linux-block: block: add debugfs stanza for QUEUE_FLAG_NOWAIT fs: block_dev.c: fix kernel-doc warnings from struct block_device changes
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull io_uring fixes from Jens Axboe: "A few fixes that should go into 5.11, all marked for stable as well: - Fix issue around identity COW'ing and users that share a ring across processes - Fix a hang associated with unregistering fixed files (Pavel) - Move the 'process is exiting' cancelation a bit earlier, so task_works aren't affected by it (Pavel)" * tag 'io_uring-5.11-2021-01-01' of git://git.kernel.dk/linux-block: kernel/io_uring: cancel io_uring before task works io_uring: fix io_sqe_files_unregister() hangs io_uring: add a helper for setting a ref node io_uring: don't assume mm is constant across submits -
Linus Torvalds authored
Commit 436e980e ("kbuild: don't hardcode depmod path") stopped hard-coding the path of depmod, but in the process caused trouble for distributions that had that /sbin location, but didn't have it in the PATH (generally because /sbin is limited to the super-user path). Work around it for now by just adding /sbin to the end of PATH in the depmod.sh script. Reported-and-tested-by:
Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 31 Dec, 2020 2 commits
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Pavel Begunkov authored
For cancelling io_uring requests it needs either to be able to run currently enqueued task_works or having it shut down by that moment. Otherwise io_uring_cancel_files() may be waiting for requests that won't ever complete. Go with the first way and do cancellations before setting PF_EXITING and so before putting the task_work infrastructure into a transition state where task_work_run() would better not be called. Cc: stable@vger.kernel.org # 5.5+ Signed-off-by:
Pavel Begunkov <asml.silence@gmail.com> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
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Pavel Begunkov authored
io_sqe_files_unregister() uninterruptibly waits for enqueued ref nodes, however requests keeping them may never complete, e.g. because of some userspace dependency. Make sure it's interruptible otherwise it would hang forever. Cc: stable@vger.kernel.org # 5.6+ Signed-off-by:
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