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git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- New option "printk.debug_non_panic_cpus" allows to store printk
messages from non-panic CPUs during panic. It might be useful when
panic() fails. It is disabled by default because it increases the
chance to see the messages printed before panic() and on the
panic-CPU.
- New build option "CONFIG_NULL_TTY_DEFAULT_CONSOLE" allows to build
kernel without the virtual terminal support which prefers ttynull
over serial console.
- Do not unblank suspended consoles.
- Some code clean up.
* tag 'printk-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk/panic: Add option to allow non-panic CPUs to write to the ring buffer.
printk: Add an option to allow ttynull to be a default console device
printk: Check CON_SUSPEND when unblanking a console
printk: Rename console_start to console_resume
printk: Rename console_stop to console_suspend
printk: Rename resume_console to console_resume_all
printk: Rename suspend_console to console_suspend_all
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"This is mainly set of cleanups of asm-generic/io.h, resolving problems
with inconsistent semantics of ioread64/iowrite64 that were causing
runtime and build issues.
The "GENERIC_IOMAP" version that switches between inb()/outb() and
readb()/writeb() style accessors is now only used on architectures
that have PC-style ISA devices that are not memory mapped (x86, uml,
m68k-q40 and powerpc-powernv), while alpha and parisc use a more
complicated variant and everything else just maps the ioread
interfaces to plan MMIO (readb/writeb etc).
In addition there are two small changes from Raag Jadav to simplify
the asm-generic/io.h indirect inclusions and from Jann Horn to fix a
corner case with read_word_at_a_time"
* tag 'asm-generic-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
rwonce: fix crash by removing READ_ONCE() for unaligned read
rwonce: handle KCSAN like KASAN in read_word_at_a_time()
m68k: coldfire: select PCI_IOMAP for PCI
mips: export pci_iounmap()
mips: fix PCI_IOBASE definition
m68k/nommu: stop using GENERIC_IOMAP
mips: drop GENERIC_IOMAP wrapper
powerpc: asm/io.h: remove split ioread64/iowrite64 helpers
parisc: stop using asm-generic/iomap.h
sh: remove duplicate ioread/iowrite helpers
alpha: stop using asm-generic/iomap.h
io.h: drop unused headers
drm/draw: include missing headers
asm-generic/io.h: rework split ioread64/iowrite64 helpers
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer cleanups from Thomas Gleixner:
"A treewide hrtimer timer cleanup
hrtimers are initialized with hrtimer_init() and a subsequent store to
the callback pointer. This turned out to be suboptimal for the
upcoming Rust integration and is obviously a silly implementation to
begin with.
This cleanup replaces the hrtimer_init(T); T->function = cb; sequence
with hrtimer_setup(T, cb);
The conversion was done with Coccinelle and a few manual fixups.
Once the conversion has completely landed in mainline, hrtimer_init()
will be removed and the hrtimer::function becomes a private member"
* tag 'timers-cleanups-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (100 commits)
wifi: rt2x00: Switch to use hrtimer_update_function()
io_uring: Use helper function hrtimer_update_function()
serial: xilinx_uartps: Use helper function hrtimer_update_function()
ASoC: fsl: imx-pcm-fiq: Switch to use hrtimer_setup()
RDMA: Switch to use hrtimer_setup()
virtio: mem: Switch to use hrtimer_setup()
drm/vmwgfx: Switch to use hrtimer_setup()
drm/xe/oa: Switch to use hrtimer_setup()
drm/vkms: Switch to use hrtimer_setup()
drm/msm: Switch to use hrtimer_setup()
drm/i915/request: Switch to use hrtimer_setup()
drm/i915/uncore: Switch to use hrtimer_setup()
drm/i915/pmu: Switch to use hrtimer_setup()
drm/i915/perf: Switch to use hrtimer_setup()
drm/i915/gvt: Switch to use hrtimer_setup()
drm/i915/huc: Switch to use hrtimer_setup()
drm/amdgpu: Switch to use hrtimer_setup()
stm class: heartbeat: Switch to use hrtimer_setup()
i2c: Switch to use hrtimer_setup()
iio: Switch to use hrtimer_setup()
...
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.14-2025-03-20:
amdgpu:
- Fix video caps limits on several asics
- SMU 14.x fixes
- GC 12 fixes
- eDP fixes
- DMUB fix
amdkfd:
- GC 12 trap handler fix
- GC 7/8 queue validation fix
radeon:
- VCE IB parsing fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250320210800.1358992-1-alexander.deucher@amd.com
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Fix for an error if exporting a dma-buf multiple time (Tomasz)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z9xalLaCWsNbh0P0@fedora
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ssh://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A sched fence reference leak fix, two fence fixes for v3d, two overflow
fixes for quaic, and a iommu handling fix for host1x.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250320-valiant-outstanding-nightingale-e9acae@houat
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The `struct ttm_resource->placement` contains TTM_PL_FLAG_* flags, but
it was incorrectly tested for XE_PL_* flags.
This caused xe_dma_buf_pin() to always fail when invoked for
the second time. Fix this by checking the `mem_type` field instead.
Fixes: 7764222d54b7 ("drm/xe: Disallow pinning dma-bufs in VRAM")
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: intel-xe@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v6.8+
Signed-off-by: Tomasz Rusinowicz <tomasz.rusinowicz@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250218100353.2137964-1-jacek.lawrynowicz@linux.intel.com
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
(cherry picked from commit b96dabdba9b95f71ded50a1c094ee244408b2a8e)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
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Currently, it seems like the code was carried over from RDNA3 because
it assumes two possible values to set. RDNA4, instead of having:
0: min SCLK
1: max SCLK
only has
0: SCLK offset
This change makes it so it only reports current offset value instead of
showing possible min/max values and their indices. Moreover, it now only
accepts the offset as a value, without the indice index.
Additionally, the lower bound was printed as %u by mistake.
Old:
OD_SCLK_OFFSET:
0: -500Mhz
1: 1000Mhz
OD_MCLK:
0: 97Mhz
1: 1259MHz
OD_VDDGFX_OFFSET:
0mV
OD_RANGE:
SCLK_OFFSET: -500Mhz 1000Mhz
MCLK: 97Mhz 1500Mhz
VDDGFX_OFFSET: -200mv 0mv
New:
OD_SCLK_OFFSET:
0Mhz
OD_MCLK:
0: 97Mhz
1: 1259MHz
OD_VDDGFX_OFFSET:
0mV
OD_RANGE:
SCLK_OFFSET: -500Mhz 1000Mhz
MCLK: 97Mhz 1500Mhz
VDDGFX_OFFSET: -200mv 0mv
Setting this offset:
Old: "s 1 <offset>"
New: "s <offset>"
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4036
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Tomasz Pakuła <tomasz.pakula.oficjalny@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1cfeb60e6e8837b1de5eb4e17df7cf31f4442144)
Cc: stable@vger.kernel.org # 6.12.x
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[WHY]
The fw_state in dmub_srv was assigned with wrong address.
The address was pointed to the firmware region.
[HOW]
Fix the firmware state by using DMUB_DEBUG_FW_STATE_OFFSET
in dmub_cmd.h.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Lo-an Chen <lo-an.chen@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>
(cherry picked from commit f57b38ac85a01bf03020cc0a9761d63e5c0ce197)
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[WHY]
DMUB locking is important to make sure that registers aren't accessed
while in PSR. Previously it was enabled but caused a deadlock in
situations with multiple eDP panels.
[HOW]
Detect if multiple eDP panels are in use to decide whether to use
lock. Refactor the function so that the first check is for PSR-SU
and then replay is in use to prevent having to look up number
of eDP panels for those configurations.
Fixes: f245b400a223 ("Revert "drm/amd/display: Use HW lock mgr for PSR1"")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3965
Reviewed-by: ChiaHsuan Chung <chiahsuan.chung@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@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>
(cherry picked from commit ed569e1279a3045d6b974226c814e071fa0193a6)
Cc: stable@vger.kernel.org
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[WHY]
The info message was wrong when support_edp0_on_dp1 is enabled
[HOW]
Use correct info message for support_edp0_on_dp1
Fixes: f6d17270d18a ("drm/amd/display: add a quirk to enable eDP0 on DP1")
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Yilin Chen <Yilin.Chen@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>
(cherry picked from commit 79538e6365c99d7b1c3e560d1ea8d11ef8313465)
Cc: stable@vger.kernel.org
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To workaround queue full h/w issue on Gfx7/8, when application create
AQL queue, the ring buffer bo allocate size is queue_size/2 and
map queue_size ring buffer to GPU in 2 pieces using 2 attachments, each
attachment map size is queue_size/2, with same ring_bo backing memory.
For Gfx7/8, user queue buffer validation should use queue_size/2 to
verify ring_bo allocation and mapping size.
Fixes: 68e599db7a54 ("drm/amdkfd: Validate user queue buffers")
Suggested-by: Tomáš Trnka <trnka@scm.com>
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit e7a477735f1771b9a9346a5fbd09d7ff0641723a)
Cc: stable@vger.kernel.org
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Always use MTYPE_UC if UNCACHED flag is specified.
This makes kernarg region uncached and it restores
usermode cache disable debug flag functionality.
Do not set MTYPE_UC for COHERENT flag, on GFX12 coherence is handled by
shader code.
Signed-off-by: David Belanger <david.belanger@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit eb6cdfb807d038d9b9986b5c87188f28a4071eae)
Cc: stable@vger.kernel.org # 6.12.x
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In gfx_v12_0_cp_gfx_load_me_microcode_rs64(), gfx_v12_0_pfp_fini() is
incorrectly used to free 'me' field of 'gfx', since gfx_v12_0_pfp_fini()
can only release 'pfp' field of 'gfx'. The release function of 'me' field
should be gfx_v12_0_me_fini().
Fixes: 52cb80c12e8a ("drm/amdgpu: Add gfx v12_0 ip block support (v6)")
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit ebdc52607a46cda08972888178c6aa9cd6965141)
Cc: stable@vger.kernel.org # 6.12.x
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VALU instructions with SGPR source need wait states to avoid hazard
with SALU using different SGPR.
v2: Eliminate some hazards to reduce code explosion
Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Lancelot Six <lancelot.six@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 7e0459d453b911435673edd7a86eadc600c63238)
Cc: stable@vger.kernel.org # 6.12.x
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Add callbacks for fan speed fetching.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4034
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 90df6db62fa78a8ab0b705ec38db99c7973b95d6)
Cc: stable@vger.kernel.org # 6.12.x
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Expose unique_id for gfx12
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 16fbc18cb07470cd33fb5f37ad181b51583e6dc0)
Cc: stable@vger.kernel.org # 6.12.x
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JPEG is only supported for VCN1+.
Signed-off-by: David Rosca <david.rosca@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 0a6e7b06bdbead2e43d56a2274b7e0c9c86d536e)
Cc: stable@vger.kernel.org
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8192x8192 is the maximum supported resolution.
Signed-off-by: David Rosca <david.rosca@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 6e0d2fde3ae8fdb5b47e10389f23ed2cb4daec5d)
Cc: stable@vger.kernel.org
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1920x1088 is the maximum supported resolution.
Signed-off-by: David Rosca <david.rosca@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1a0807feb97082bff2b1342dbbe55a2a9a8bdb88)
Cc: stable@vger.kernel.org
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On the off chance that command stream passed from userspace via
ioctl() call to radeon_vce_cs_parse() is weirdly crafted and
first command to execute is to encode (case 0x03000001), the function
in question will attempt to call radeon_vce_cs_reloc() with size
argument that has not been properly initialized. Specifically, 'size'
will point to 'tmp' variable before the latter had a chance to be
assigned any value.
Play it safe and init 'tmp' with 0, thus ensuring that
radeon_vce_cs_reloc() will catch an early error in cases like these.
Found by Linux Verification Center (linuxtesting.org) with static
analysis tool SVACE.
Fixes: 2fc5703abda2 ("drm/radeon: check VCE relocation buffer range v3")
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 2d52de55f9ee7aaee0e09ac443f77855989c6b68)
Cc: stable@vger.kernel.org
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Pull drm fixes from Dave Airlie:
"Regular weekly fixes pull, the usual leaders in amdgpu/xe, a couple of
i915, and some scattered misc fixes.
panic:
- two clippy fixes
dp_mst
- locking fix
atomic:
- fix redundant DPMS calls
i915:
- Do cdclk post plane programming later
- Bump MMAP_GTT_VERSION: missing indication of partial mmaps support
xe:
- Release guc ids before cancelling work
- Fix new warnings around userptr
- Temporaritly disable D3Cold on BMG
- Retry and wait longer for GuC PC to start
- Remove redundant check in xe_vm_create_ioctl
amdgpu:
- GC 12.x DCC fix
- DC DCE 6.x fix
- Hibernation fix
- HPD fix
- Backlight fixes
- Color depth fix
- UAF fix in hdcp_work
- VCE 2.x fix
- GC 12.x PTE fix
amdkfd:
- Queue eviction fix
gma500:
- fix NULL pointer check"
* tag 'drm-fixes-2025-03-14' of https://gitlab.freedesktop.org/drm/kernel: (23 commits)
drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags
drm/amd/amdkfd: Evict all queues even HWS remove queue failed
drm/i915: Increase I915_PARAM_MMAP_GTT_VERSION version to indicate support for partial mmaps
drm/dp_mst: Fix locking when skipping CSN before topology probing
drm/amdgpu/vce2: fix ip block reference
drm/amd/display: Fix slab-use-after-free on hdcp_work
drm/amd/display: Assign normalized_pix_clk when color depth = 14
drm/amd/display: Restore correct backlight brightness after a GPU reset
drm/amd/display: fix default brightness
drm/amd/display: Disable unneeded hpd interrupts during dm_init
drm/amd: Keep display off while going into S4
drm/amd/display: fix missing .is_two_pixels_per_container
drm/amdgpu/display: Allow DCC for video formats on GFX12
drm/xe: remove redundant check in xe_vm_create_ioctl()
drm/atomic: Filter out redundant DPMS calls
drm/xe/guc_pc: Retry and wait longer for GuC PC start
drm/xe/pm: Temporarily disable D3Cold on BMG
drm/i915/cdclk: Do cdclk post plane programming later
drm/xe/userptr: Fix an incorrect assert
drm/xe: Release guc ids before cancelling work
...
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
- Release guc ids before cancelling work (Tejas)
- Fix new warnings around userptr (Thomas)
- Temporaritly disable D3Cold on BMG (Rodrigo)
- Retry and wait longer for GuC PC to start (Rodrigo)
- Remove redundant check in xe_vm_create_ioctl (Xin)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z9MJWeIlZPuvXZ_G@intel.com
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
- Do cdclk post plane programming later (Ville)
- Bump MMAP_GTT_VERSION: missing indication of partial mmaps support (Jose)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z9MG4fH-6Q8dTHE1@intel.com
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A null pointer check for gma500, two clippy fixes for panic, a fix for
an interaction between DPMS and atomic leading to dropped frames, and
a locking fix for dp_mst
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250313-holistic-clay-moose-fead28@houat
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Similar to commit e4b5ccd392b9 ("drm/v3d: Ensure job pointer is set to
NULL after job completion"), ensure the job pointer is set to `NULL` when
a job's fence has an error. Failing to do so can trigger kernel warnings
in specific scenarios, such as:
1. v3d_csd_job_run() assigns `v3d->csd_job = job`
2. CSD job exceeds hang limit, causing a timeout → v3d_gpu_reset_for_timeout()
3. GPU reset
4. drm_sched_resubmit_jobs() sets the job's fence to `-ECANCELED`.
5. v3d_csd_job_run() detects the fence error and returns NULL, not
submitting the job to the GPU
6. User-space runs `modprobe -r v3d`
7. v3d_gem_destroy()
v3d_gem_destroy() triggers a warning indicating that the CSD job never
ended, as we didn't set `v3d->csd_job` to NULL after the timeout. The same
can also happen to BIN, RENDER, and TFU jobs.
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250313-v3d-gpu-reset-fixes-v4-2-c1e780d8e096@igalia.com
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The V3D driver still relies on `drm_sched_increase_karma()` and
`drm_sched_resubmit_jobs()` for resubmissions when a timeout occurs.
The function `drm_sched_increase_karma()` marks the job as guilty, while
`drm_sched_resubmit_jobs()` sets an error (-ECANCELED) in the DMA fence of
that guilty job.
Because of this, we must check whether the job’s DMA fence has been
flagged with an error before executing the job. Otherwise, the same guilty
job may be resubmitted indefinitely, causing repeated GPU resets.
This patch adds a check for an error on the job's fence to prevent running
a guilty job that was previously flagged when the GPU timed out.
Note that the CPU and CACHE_CLEAN queues do not require this check, as
their jobs are executed synchronously once the DRM scheduler starts them.
Cc: stable@vger.kernel.org
Fixes: d223f98f0209 ("drm/v3d: Add support for compute shader dispatch.")
Fixes: 1584f16ca96e ("drm/v3d: Add support for submitting jobs to the TFU.")
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250313-v3d-gpu-reset-fixes-v4-1-c1e780d8e096@igalia.com
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The last_scheduled fence leaks when an entity is being killed and adding
the cleanup callback fails.
Decrement the reference count of prev when dma_fence_add_callback()
fails, ensuring proper balance.
Cc: stable@vger.kernel.org # v6.2+
[phasta: add git tag info for stable kernel]
Fixes: 2fdb8a8f07c2 ("drm/scheduler: rework entity flush, kill and fini")
Signed-off-by: qianyi liu <liuqianyi125@gmail.com>
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250311060251.4041101-1-liuqianyi125@gmail.com
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PRT BOs may not have any backing store, so bo->tbo.resource will be
NULL. Check for that before dereferencing.
Fixes: 0cce5f285d9a ("drm/amdkfd: Check correct memory types for is_system variable")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)
Cc: stable@vger.kernel.org # 6.12.x
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[Why]
If reset is detected and kfd need to evict working queues, HWS moving queue will be failed.
Then remaining queues are not evicted and in active state.
After reset done, kfd uses HWS to termination remaining activated queues but HWS is resetted.
So remove queue will be failed again.
[How]
Keep removing all queues even if HWS returns failed.
It will not affect cpsch as it checks reset_domain->sem.
v2: If any queue failed, evict queue returns error.
v3: Declare err inside the if-block.
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Yifan Zha <Yifan.Zha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 42c854b8fb0cce512534aa2b7141948e80c6ebb0)
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv fixes from Wei Liu:
- Patches to fix Hyper-v framebuffer code (Michael Kelley and Saurabh
Sengar)
- Fix for Hyper-V output argument to hypercall that changes page
visibility (Michael Kelley)
- Fix for Hyper-V VTL mode (Naman Jain)
* tag 'hyperv-fixes-signed-20250311' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
Drivers: hv: vmbus: Don't release fb_mmio resource in vmbus_free_mmio()
x86/hyperv: Fix output argument to hypercall that changes page visibility
fbdev: hyperv_fb: Allow graceful removal of framebuffer
fbdev: hyperv_fb: Simplify hvfb_putmem
fbdev: hyperv_fb: Fix hang in kdump kernel when on Hyper-V Gen 2 VMs
drm/hyperv: Fix address space leak when Hyper-V DRM device is removed
fbdev: hyperv_fb: iounmap() the correct memory when removing a device
x86/hyperv/vtl: Stop kernel from probing VTL0 low memory
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for partial mmaps
Commit 255fc1703e42 ("drm/i915/gem: Calculate object page offset for partial memory mapping")
was the last patch of several patches fixing multiple partial mmaps.
But without a bump in I915_PARAM_MMAP_GTT_VERSION there is no clean
way for UMD to know if it can do multiple partial mmaps.
Fixes: 255fc1703e42 ("drm/i915/gem: Calculate object page offset for partial memory mapping")
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250306210827.171147-1-jose.souza@intel.com
(cherry picked from commit bfef148f3680e6b9d28e7fca46d9520f80c5e50e)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The intent of console_start was to resume a previously suspended console,
so rename it accordingly.
Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Link: https://lore.kernel.org/r/20250226-printk-renaming-v1-4-0b878577f2e6@suse.com
[pmladek@suse.com: Fixed typo in the commit message. Updated also new drm_log.c.]
Signed-off-by: Petr Mladek <pmladek@suse.com>
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The intent of console_stop was in fact to suspend it, so rename the
function accordingly.
Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Link: https://lore.kernel.org/r/20250226-printk-renaming-v1-3-0b878577f2e6@suse.com
[pmladek@suse.com: Fixed typo in the commit message. Updated also new drm_log.c]
Signed-off-by: Petr Mladek <pmladek@suse.com>
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The handling of the MST Connection Status Notify message is skipped if
the probing of the topology is still pending. Acquiring the
drm_dp_mst_topology_mgr::probe_lock for this in
drm_dp_mst_handle_up_req() is problematic: the task/work this function
is called from is also responsible for handling MST down-request replies
(in drm_dp_mst_handle_down_rep()). Thus drm_dp_mst_link_probe_work() -
holding already probe_lock - could be blocked waiting for an MST
down-request reply while drm_dp_mst_handle_up_req() is waiting for
probe_lock while processing a CSN message. This leads to the probe
work's down-request message timing out.
A scenario similar to the above leading to a down-request timeout is
handling a CSN message in drm_dp_mst_handle_conn_stat(), holding the
probe_lock and sending down-request messages while a second CSN message
sent by the sink subsequently is handled by drm_dp_mst_handle_up_req().
Fix the above by moving the logic to skip the CSN handling to
drm_dp_mst_process_up_req(). This function is called from a work
(separate from the task/work handling new up/down messages), already
holding probe_lock. This solves the above timeout issue, since handling
of down-request replies won't be blocked by probe_lock.
Fixes: ddf983488c3e ("drm/dp_mst: Skip CSN if topology probing is not done yet")
Cc: Wayne Lin <Wayne.Lin@amd.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org # v6.6+
Reviewed-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250307183152.3822170-1-imre.deak@intel.com
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Need to use the correct IP block type. VCE vs VCN.
Fixes mclk issues on Hawaii.
Suggested by selendym.
Fixes: 82ae6619a450 ("drm/amdgpu: update the handle ptr in wait_for_idle")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3997
Reviewed-by: Boyuan Zhang <Boyuan.Zhang@amd.com>
Cc: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 02438acd252395628d74cfac692efbb676d21521)
Cc: stable@vger.kernel.org
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[Why]
A slab-use-after-free is reported when HDCP is destroyed but the
property_validate_dwork queue is still running.
[How]
Cancel the delayed work when destroying workqueue.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4006
Fixes: da3fd7ac0bcf ("drm/amd/display: Update CP property based on HW query")
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 725a04ba5a95e89c89633d4322430cfbca7ce128)
Cc: stable@vger.kernel.org
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[WHY & HOW]
A warning message "WARNING: CPU: 4 PID: 459 at ... /dc_resource.c:3397
calculate_phy_pix_clks+0xef/0x100 [amdgpu]" occurs because the
display_color_depth == COLOR_DEPTH_141414 is not handled. This is
observed in Radeon RX 6600 XT.
It is fixed by assigning pix_clk * (14 * 3) / 24 - same as the rests.
Also fixes the indentation in get_norm_pix_clk.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 274a87eb389f58eddcbc5659ab0b180b37e92775)
Cc: stable@vger.kernel.org
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[Why]
GPU reset will attempt to restore cached state, but brightness doesn't
get restored. It will come back at 100% brightness, but userspace thinks
it's the previous value.
[How]
When running resume sequence if GPU is in reset restore brightness
to previous value.
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 5e19e2b57b6bb640d68dfc7991e1e182922cf867)
Cc: stable@vger.kernel.org
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[Why]
To avoid flickering during boot default brightness level set by BIOS
should be maintained for as much of the boot as feasible.
commit 2fe87f54abdc ("drm/amd/display: Set default brightness according
to ACPI") attempted to set the right levels for AC vs DC, but brightness
still got reset to maximum level in initialization code for
setup_backlight_device().
[How]
Remove the hardcoded initialization in setup_backlight_device() and
instead program brightness value to match BIOS (AC or DC). This avoids a
brightness flicker from kernel changing the value. Userspace may however
still change it during boot.
Fixes: 2fe87f54abdc ("drm/amd/display: Set default brightness according to ACPI")
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 0747acf3311229e22009bec4a9e7fc30c879e842)
Cc: stable@vger.kernel.org
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[Why]
It seems HPD interrupts are enabled by default for all connectors, even
if the hpd source isn't valid. An eDP for example, does not have a valid
hpd source (but does have a valid hpdrx source; see construct_phy()).
Thus, eDPs should have their hpd interrupt disabled.
In the past, this wasn't really an issue. Although the driver gets
interrupted, then acks by writing to hw registers, there weren't any
subscribed handlers that did anything meaningful (see
register_hpd_handlers()).
But things changed with the introduction of IPS. s2idle requires that
the driver allows IPS for DMUB fw to put hw to sleep. Since register
access requires hw to be awake, the driver will block IPS entry to do
so. And no IPS means no hw sleep during s2idle.
This was the observation on DCN35 systems with an eDP. During suspend,
the eDP toggled its hpd pin as part of the panel power down sequence.
The driver was then interrupted, and acked by writing to registers,
blocking IPS entry.
[How]
Since DC marks eDP connections as having invalid hpd sources (see
construct_phy()), DM should disable them at the hw level. Do so in
amdgpu_dm_hpd_init() by disabling all hpd ints first, then selectively
enabling ones for connectors that have valid hpd sources.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 7b1ba19eb15f88e70782642ce2d934211269337b)
Cc: stable@vger.kernel.org
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When userspace invokes S4 the flow is:
1) amdgpu_pmops_prepare()
2) amdgpu_pmops_freeze()
3) Create hibernation image
4) amdgpu_pmops_thaw()
5) Write out image to disk
6) Turn off system
Then on resume amdgpu_pmops_restore() is called.
This flow has a problem that because amdgpu_pmops_thaw() is called
it will call amdgpu_device_resume() which will resume all of the GPU.
This includes turning the display hardware back on and discovering
connectors again.
This is an unexpected experience for the display to turn back on.
Adjust the flow so that during the S4 sequence display hardware is
not turned back on.
Reported-by: Xaver Hugl <xaver.hugl@gmail.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2038
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Tested-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Link: https://lore.kernel.org/r/20250306185124.44780-1-mario.limonciello@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 68bfdc8dc0a1a7fdd9ab61e69907ae71a6fd3d91)
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Starting from 6.11, AMDGPU driver, while being loaded with amdgpu.dc=1,
due to lack of .is_two_pixels_per_container function in dce60_tg_funcs,
causes a NULL pointer dereference on PCs with old GPUs, such as R9 280X.
So this fix adds missing .is_two_pixels_per_container to dce60_tg_funcs.
Reported-by: Rosen Penev <rosenp@gmail.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3942
Fixes: e6a901a00822 ("drm/amd/display: use even ODM slice width for two pixels per container")
Signed-off-by: Aliaksei Urbanski <aliaksei.urbanski@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit bd4b125eb949785c6f8a53b0494e32795421209d)
Cc: stable@vger.kernel.org
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We advertise DCC as supported for NV12/P010 formats on GFX12,
but it would fail on this check on atomic commit.
Signed-off-by: David Rosca <david.rosca@amd.com>
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit ba795235a2b99ba9bbef647ab003b2f3145d9bbb)
Cc: stable@vger.kernel.org # 6.12.x
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The check for args->extensions is repeated twice in xe_vm_create_ioctl().
This commit removes the redundant check to streamline the code.
Fixes: 7224788f6756 ("drm/xe: Kill XE_VM_PROPERTY_BIND_OP_ERROR_CAPTURE_ADDRESS extension")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Xin Wang <x.wang@intel.com>
Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250303004942.951699-1-x.wang@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 8da8aecf1f2d89c2b8188bcf7aa252ec146ddd12)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Video players (eg. mpv) do periodic XResetScreenSaver() calls to
keep the screen on while the video playing. The modesetting ddx
plumbs these straight through into the kernel as DPMS setproperty
ioctls, without any filtering whatsoever. When implemented via
atomic these end up as empty commits on the crtc (which will
nonetheless take one full frame), which leads to a dropped
frame every time XResetScreenSaver() is called.
Let's just filter out redundant DPMS property changes in the
kernel to avoid this issue.
v2: Explain the resulting commits a bit better (Sima)
Document the behaviour in uapi docs (Sima)
Cc: stable@vger.kernel.org
Testcase: igt/kms_flip/flip-vs-dpms-on-nop
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250219160239.17502-1-ville.syrjala@linux.intel.com
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In a rare situation of thermal limit during resume, GuC can
be slow and run into delays like this:
xe 0000:00:02.0: [drm] GT1: excessive init time: 667ms! \
[status = 0x8002F034, timeouts = 0]
xe 0000:00:02.0: [drm] GT1: excessive init time: \
[freq = 100MHz (req = 800MHz), before = 100MHz, \
perf_limit_reasons = 0x1C001000]
xe 0000:00:02.0: [drm] *ERROR* GT1: GuC PC Start failed
------------[ cut here ]------------
xe 0000:00:02.0: [drm] GT1: Failed to start GuC PC: -EIO
When this happens, it will block entirely the GPU to be used.
So, let's try and with a huge timeout in the hope it comes back.
Also, let's collect some information on how long it is usually
taking on situations like this, so perhaps the time can be tuned
later.
Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Cc: Jonathan Cavitt <jonathan.cavitt@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/20250307160307.1093391-1-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit b4b05e53b550a886b4754b87fd0dd2b304579e85)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Currently, many instability cases related to D3Cold -> D0 transition
on BMG are under investigation. Among them some bad cases where
the device is lost after 1 to 3 transitions from D3Cold to D0
on the runtime pm, with pcieport upstream bridge port link retrain
failure.
In other cases, it works fine, but with some sudden random memory
corruptions after D3cold, that could be 0xffff missed ack on GT
forcewake or GuC reload related failures.
In some other cases though, D3Cold -> D0 works pretty reliably.
It looks like it is a combination of GPU cards and Host boards at
this point. So, there is no possible/available quirk at this time.
This patch disables the D3Cold by default on BMG by reducing the
vram_d3cold_threshold to 0. Users and developers who wants to enable
it are still able to via
$ echo 300 > /sys/bus/pci/devices/<addr>/vram_d3cold_threshold
Fixes: 3adcf970dc7e ("drm/xe/bmg: Drop force_probe requirement")
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4037
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4395
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4396
Cc: Karthik Poosa <karthik.poosa@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250308005636.1475420-1-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit d945cc876277851053c0cf37927c8d7bd9d0e880)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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We currently call intel_set_cdclk_post_plane_update() far
too early. When pipes are active during the reprogramming
the current spot only works for the cd2x divider update
case, as that is synchronize to the pipe's vblank. Squashing
and crawling are not synchronized in any way, so doing the
programming while the pipes/planes are potentially still using
the old hardware state could lead to underruns.
Move the post plane reprgramming to a spot where we know
that the pipes/planes have switched over the new hardware
state.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250218211913.27867-2-ville.syrjala@linux.intel.com
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
(cherry picked from commit fb64f5568c0e0b5730733d70a012ae26b1a55815)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The assert incorrectly checks the total length processed which
can in fact be greater than the number of pages. Fix.
Fixes: 0a98219bcc96 ("drm/xe/hmm: Don't dereference struct page pointers without notifier lock")
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250307100109.21397-1-thomas.hellstrom@linux.intel.com
(cherry picked from commit 70e5043ba85eae199b232e39921abd706b5c1fa4)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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