Support for FEC is already checked by intel_dp_supports_dsc() in
intel_dp_dsc_compute_config() which gets called before
intel_dp_fec_compute_config().
Therefore the check can be dropped from the helper
intel_dp_fec_compute_config().
v2: Changed commit message for clarity. (Suraj)
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241217093244.3938132-5-ankit.k.nautiyal@intel.com
Make a separate function for setting fec_enable in crtc_state.
v2: Rename helper to align with encoder->compute_config() callback
and other minor fixes. (Jani)
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241217093244.3938132-4-ankit.k.nautiyal@intel.com
Forward Error Correction is required for DP if we are using DSC but
is optional for eDP.
Currently the helper intel_dp_supports_dsc checks if fec_enable is set for
DP or not. The helper is called after fec_enable is set in crtc_state.
Instead of this a better approach would be to:
first, call intel_dp_supports_dsc to check for DSC support
(along with FEC requirement for DP) and then set fec_enable for DP
(if not already set) in crtc_state.
To achieve this, remove the check for fec_enable in the helper and instead
check for FEC support for DP. With this change the helper
intel_dp_supports_dsc can be called earlier and return early if DSC is
not supported. The structure intel_dp is added to the helper to get the
FEC support for DP.
v2: Pass intel_dp to adjust_limits_for_dsc_hblank_expansion_quirk
instead of deriving it from connector. (Jani)
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241217093244.3938132-2-ankit.k.nautiyal@intel.com
Many selftests call igt_flush_test() on cleanup. With default preemption
timeout of compute engines raised to 7.5 seconds, hardcoded flush timeout
of 3 seconds is too short. That results in GPU forcibly wedged and kernel
taineted, then IGT abort triggered. CI BAT runs loose a part of their
expected coverage.
Calculate the flush timeout based on the longest preemption timeout
currently configured for any engine. That way, selftest can still report
detected issues as non-critical, and the GPU gets a chance to recover from
preemptible hangs and prepare for fluent execution of next test cases.
Link: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/12061
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241213190122.513709-2-janusz.krzysztofik@linux.intel.com
sub-pipe PG is not present on DG1. Setting these bits can disable
other power gates and cause GPU hangs on video playbacks.
VLK: 16314, 4304
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13381
Fixes: 85a12d7eb8 ("drm/i915/tgl: Fix Media power gate sequence.")
Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241219210019.70532-1-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Now that we don't include i915_drv.h via any headers from display, we
can reliably remove unnecessary i915_drv.h includes and be sure they're
not indirectly included. Add other includes where needed.
v2: Fix 32-bit build
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241217132147.2008057-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
According to spec VDR_CUSTOM_WIDTH register gets programmed after pll
specific VDR registers and TX Lane programming registers are done.
Moreover we only program into C10_VDR_CONTROL1 to update config and
setup master lane once all VDR registers are written into.
Bspec: 67636
Fixes: 51390cc0e0 ("drm/i915/mtl: Add Support for C10 PHY message bus and pll programming")
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241216181554.2861381-1-suraj.kandpal@intel.com
Add to_intel_uncore() function to avoid the inclusion of i915_drv.h from
intel_de.h. This reveals a number of implicit dependencies on i915_drv.h
that need to be added.
For now, to_intel_uncore() can be an inline function, with all the
includes in compat intel_uncore.h, as long as i915_drv.h isn't
included. The implicit dependencies on i915_drv.h is a problem in
display code, but the same is not true for xe_device.h etc.
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/377e2b400d126776224fc49874ed9cb03ac3123c.1732104170.git.jani.nikula@intel.com
The __to_intel_display() generics require the definition of struct
drm_i915_private i.e. inclusion of i915_drv.h. Add
intel_display_conversion.c with a __i915_to_display() function to do the
conversion without the intel_display_conversion.h having an implicit
dependency on i915_drv.h.
The long term goal is to remove __to_intel_display() and the
intel_display_conversion.[ch] files altoghether, and this is merely a
transitional step to make the dependencies on i915_drv.h explicit.
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/39e99b765b8c1a05d001659c39686a661ac268e2.1732104170.git.jani.nikula@intel.com
The i915_reg_rw tracing is a small isolated part of i915_trace.h. Its
users are orthogonal to the other i915_trace.h users as well, and its
implementation does not require all the includes of i915_trace.h. Split
i915_reg_rw tracing to separate intel_uncore_trace.[ch].
The main underlying goal is to reduce implicit includes of i915_drv.h
from display code.
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1a3623fbb120adc55bc1cab1e27aca6e55487163.1732104170.git.jani.nikula@intel.com
The long term goal is to remove the __to_intel_display() generics from
display macros, such as register macros. This requires that all such
macro usage passes struct intel_display * rather than struct
drm_i915_private * to the macros.
The short term goal is to hide the struct drm_i915_private access in
intel_display_conversions.h into a function. This is problematic with
gvt, because it's a separate module, and the conversion function would
need to be exported.
Make the conversion to always passing struct intel_display * in gvt to
unblock both of the above.
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/266616e14db8d9a342fd93ec9752f561149a799b.1732104170.git.jani.nikula@intel.com
There's a lot of duplication between mst_stream_compute_config_limits()
and intel_dp_compute_config_limits(). Adjust the latter to suit the
needs of the former, and use the same function for both. This reduces
duplication and highlights the differences for SST and MST and UHBR.
Remove the kernel-doc for intel_dp_compute_config_link_bpp_limits()
which now becomes static.
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241211144310.701895-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cursor planes do not have the minimum dbuf configuration. The
ddb allocation and registration routines handle this correctly.
But the plane wm handling for cursor need to be differentiated
for this case. Auto minimum buf enable bit should not be
enabled for cursor wm registers in xe3.
Fixes: a831920c37 ("drm/i915/xe3: Use hw support for min/interim ddb allocations for async flip")
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241213120357.300584-1-vinod.govindapillai@intel.com
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Xe3 is capable of switching automatically to min ddb allocation
(not using any extra blocks) or interim SAGV-adjusted allocation
in case if async flip is used. Introduce the minimum and interim
ddb allocation configuration for that purpose. Also i915 is
replaced with intel_display within the patch's context
v2: update min/interim ddb declarations and handling (Ville)
update to register definitions styling
consolidation of minimal wm0 check with min DDB check
Bspec: 69880, 72053
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241121112726.510220-4-vinod.govindapillai@intel.com
Add a helper to the relative data rate handling in skl_watermarks.c
where other similar functions are implemented. Also get rid of
use_min_ddb() and use use_minimal_wm0() instead to decide whether
the relative data rate can be returned as 0
v2: re-phrase the commit description (uma)
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241121112726.510220-3-vinod.govindapillai@intel.com
Future platforms can have new additions in the plane_wm
registers. So update skl_wm_level_from_reg_val() to have
possiblity for such platform differentiations. This is in
preparation for the rest of the patches in this series where
hw support for the minimum and interim ddb allocations for
async flip is added. Replace all the i915 uses to intel_display
in this function while updating this function
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241121112726.510220-2-vinod.govindapillai@intel.com
G8 power state entry is disabled due to a limitation on DG2, so we
enable it from driver with Wa_14022698537. For now we enable it for
all DG2 devices with the exception of a few, for which, we enable
only when paired with whitelisted CPU models. This works with native
ASPM and reduces idle power consumption.
$ echo powersave > /sys/module/pcie_aspm/parameters/policy
$ lspci -s 0000:03:00.0 -vvv
LnkCtl: ASPM L1 Enabled; RCB 64 bytes, Disabled- CommClk-
v2: Fix Wa_ID and include it in subject (Badal)
Rephrase commit message (Jani)
v3: Move workaround to i915_pcode_init() (Badal, Anshuman)
Re-order macro (Riana)
v4: Spell fix (Riana)
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241211115952.1659287-5-raag.jadav@intel.com
Having similar naming convention in intel-family.h and intel_device_info.h
results in redefinition of a few platforms. Define CPU IDs in its own file
to avoid this.
v3: Move file out of gt directory, add kernel doc (Riana)
Rephrase file description (Jani)
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241211115952.1659287-4-raag.jadav@intel.com
Introduce DG2_D subplatform for the devices that span across multiple
DG2 subplatforms but are within same segment and will be useful for
segment specific features.
v3: Rework subplatform naming (Jani)
Split subplatform check into separate case (Jani)
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241211115952.1659287-3-raag.jadav@intel.com
Refactor DG2 PCI IDs into D, E and M ranges which will be useful for
segment specific features.
v3: Rework subplatform naming (Jani)
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241211115952.1659287-2-raag.jadav@intel.com
It does not look like anything in intel_dp_compute_config() after the
g4x_dp_set_clock() call depends on the changes it makes, namely setting
dpll and clock_set in crtc_state. Move the call one level higher to
g4x_dp_compute_config() to reduce the clutter in
intel_dp_compute_config().
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241211125431.680227-2-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add g4x_dp_compute_config() instead of using intel_dp_compute_config()
directly, in order to slightly reduce the clutter in the latter wrt
->has_pch_encoder.
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241211125431.680227-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Pass the drm_printer from intel_pipe_config_compare(), and use it for
logging, along with pipe_config_mismatch(), to simplify and unify.
While at it, differentiate the VSC and AS SDP log texts from each other.
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241205093042.3028608-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add a little bit of documentation around DP MST. This is nowhere near
complete nor does it have enough detail. But it's better than nothing,
and hopefully gives people a basic grasp of what's going on.
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241125151933.2382910-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The debugfs contains all the other timings except panel power cycle
delay. Add it for completeness.
Tested-by: Paul Menzel <pmenzel@molgen.mpg.de> # Dell XPS 13 9360
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241205123720.3278727-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Going forward, struct intel_display will be the main display driver
structure. Convert the main display entry points to struct
intel_display.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241204102150.2223455-1-jani.nikula@intel.com
- Have the BCM2836 interrupt controller enter power management states properly
- Other fixlets
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Merge tag 'irq_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Fix a /proc/interrupts formatting regression
- Have the BCM2836 interrupt controller enter power management states
properly
- Other fixlets
* tag 'irq_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/stm32mp-exti: CONFIG_STM32MP_EXTI should not default to y when compile-testing
genirq/proc: Add missing space separator back
irqchip/bcm2836: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND
irqchip/gic-v3: Fix irq_complete_ack() comment
conjunction with overly long idle sleeps, falsely trigger the negative
motion detection of clocksources
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Merge tag 'timers_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Borislav Petkov:
- Handle the case where clocksources with small counter width can,
in conjunction with overly long idle sleeps, falsely trigger the
negative motion detection of clocksources
* tag 'timers_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Make negative motion detection more robust
the guest when it has been set already on the host
- Make sure cacheinfo structures memory is allocated to address a boot NULL
ptr dereference on Intel Meteor Lake which has different numbers of subleafs
in its CPUID(4) leaf
- Take care of the GDT restoring on the kexec path too, as expected by
the kernel
- Make sure SMP is not disabled when IO-APIC is disabled on the kernel
cmdline
- Add a PGD flag _PAGE_NOPTISHADOW to instruct machinery not to propagate
changes to the kernelmode page tables, to the user portion, in PTI
- Mark Intel Lunar Lake as affected by an issue where MONITOR wakeups can get
lost and thus user-visible delays happen
- Make sure PKRU is properly restored with XRSTOR on AMD after a PRKU write of
0 (WRPKRU) which will mark PKRU in its init state and thus lose the
actual buffer
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Merge tag 'x86_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Have the Automatic IBRS setting check on AMD does not falsely fire in
the guest when it has been set already on the host
- Make sure cacheinfo structures memory is allocated to address a boot
NULL ptr dereference on Intel Meteor Lake which has different numbers
of subleafs in its CPUID(4) leaf
- Take care of the GDT restoring on the kexec path too, as expected by
the kernel
- Make sure SMP is not disabled when IO-APIC is disabled on the kernel
cmdline
- Add a PGD flag _PAGE_NOPTISHADOW to instruct machinery not to
propagate changes to the kernelmode page tables, to the user portion,
in PTI
- Mark Intel Lunar Lake as affected by an issue where MONITOR wakeups
can get lost and thus user-visible delays happen
- Make sure PKRU is properly restored with XRSTOR on AMD after a PRKU
write of 0 (WRPKRU) which will mark PKRU in its init state and thus
lose the actual buffer
* tag 'x86_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/CPU/AMD: WARN when setting EFER.AUTOIBRS if and only if the WRMSR fails
x86/cacheinfo: Delete global num_cache_leaves
cacheinfo: Allocate memory during CPU hotplug if not done from the primary CPU
x86/kexec: Restore GDT on return from ::preserve_context kexec
x86/cpu/topology: Remove limit of CPUs due to disabled IO/APIC
x86/mm: Add _PAGE_NOPTISHADOW bit to avoid updating userspace page tables
x86/cpu: Add Lunar Lake to list of CPUs with a broken MONITOR implementation
x86/pkeys: Ensure updated PKRU value is XRSTOR'd
x86/pkeys: Change caller of update_pkru_in_sigframe()
The usual bunch of singletons - please see the relevant changelogs for
details.
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Merge tag 'mm-hotfixes-stable-2024-12-07-22-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"24 hotfixes. 17 are cc:stable. 15 are MM and 9 are non-MM.
The usual bunch of singletons - please see the relevant changelogs for
details"
* tag 'mm-hotfixes-stable-2024-12-07-22-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (24 commits)
iio: magnetometer: yas530: use signed integer type for clamp limits
sched/numa: fix memory leak due to the overwritten vma->numab_state
mm/damon: fix order of arguments in damos_before_apply tracepoint
lib: stackinit: hide never-taken branch from compiler
mm/filemap: don't call folio_test_locked() without a reference in next_uptodate_folio()
scatterlist: fix incorrect func name in kernel-doc
mm: correct typo in MMAP_STATE() macro
mm: respect mmap hint address when aligning for THP
mm: memcg: declare do_memsw_account inline
mm/codetag: swap tags when migrate pages
ocfs2: update seq_file index in ocfs2_dlm_seq_next
stackdepot: fix stack_depot_save_flags() in NMI context
mm: open-code page_folio() in dump_page()
mm: open-code PageTail in folio_flags() and const_folio_flags()
mm: fix vrealloc()'s KASAN poisoning logic
Revert "readahead: properly shorten readahead when falling back to do_page_cache_ra()"
selftests/damon: add _damon_sysfs.py to TEST_FILES
selftest: hugetlb_dio: fix test naming
ocfs2: free inode when ocfs2_get_init_inode() fails
nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry()
...
