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XE_LPD display adds support for display audio codec keepalive feature.
This feature works also when display codec is in D3 state and the audio
link is off (BCLK off). To enable this functionality, display driver
must update the AUD_TS_CDCLK_M/N registers whenever CDCLK is changed.
Actual timestamps are generated only when the audio codec driver
specifically enables the KeepAlive (KAE) feature.
This patch adds new hooks to intel_set_cdclk() in order to inform
display audio driver when CDCLK change is started and when it is
complete.
Bspec: 53679
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211021105915.4128635-1-kai.vehmanen@linux.intel.com
Alderlake-P was getting 'max time under evasion' messages when PSR2
is enabled, this is due PIPE_SCANLINE/PIPEDSL returning 0 over a
period of time longer than VBLANK_EVASION_TIME_US.
For PSR1 we had the same issue so intel_psr_wait_for_idle() was
implemented to wait for PSR1 to get into idle state but nothing was
done for PSR2.
For PSR2 we can't only wait for idle state as PSR2 tends to keep
into sleep state(ready to send selective updates).
Waiting for any state below deep sleep proved to be effective in
avoiding the evasion messages and also not wasted a lot of time.
v2:
- dropping the additional wait_for loops, only the _wait_for_atomic()
is necessary
- waiting for states below EDP_PSR2_STATUS_STATE_DEEP_SLEEP
v3:
- dropping intel_wait_for_condition_atomic() function
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211005231851.67698-1-jose.souza@intel.com
Nuke the hsw_get_ddi_port_state() eyesore by putting the
readout code into intel_pch_display.c, and calling it directly
from hsw_crt_get_config().
Note that the nuked TRANS_DDI_FUNC_CTL readout from
hsw_get_ddi_port_state() is now etirely redundant since we
get called from the encoder->get_config() so we already know
we're dealing with the correct DDI port. Previously the
code was called from a place where that wasn't known so
it had to checked manually.
v2: Clarify the TRANS_DDI_FUNC_CTL change (Dave)
Nuke the now unused *TRANS_DDI_FUNC_CTL_VAL_TO_PORT() (Dave)
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211018153525.21597-1-ville.syrjala@linux.intel.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
There's no such thing as gen13. It is either display 13
or graphics 13. Don't propagate the gen12 confusion
further.
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211015091650.87270-1-rodrigo.vivi@intel.com
This memory frequency calculated is only used to check if it is zero,
what is not useful as it will never actually be zero.
Also the calculation is wrong, we should be checking other bit to
select the appropriate frequency multiplier while this code is stuck
with a fixed multiplier.
So here dropping it as whole.
v2:
- Also remove memory frequency calculation for gen9 LP platforms
Cc: Yakui Zhao <yakui.zhao@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Fixes: 5d0c938ec9cc ("drm/i915/gen11+: Only load DRAM information from pcode")
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211013010046.91858-1-jose.souza@intel.com
DKL_TX_LOADGEN_SHARING_PMD_DISABLE doesn't even seem to exist,
also the spec says to skip all loadgen stuff.
The code was dead anyway since it wasn't actually writing the value
anywhere.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211006204937.30774-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Need to resync drm-intel-next with TTM and PXP stuff from
drm-intel-gt-next that is now in drm/drm-next.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
UAPI Changes:
- Add uAPI for using PXP protected objects
Mesa changes: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8064
- Add PCI IDs and LMEM discovery/placement uAPI for DG1
Mesa changes: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11584
- Disable engine bonding on Gen12+ except TGL, RKL and ADL-S
Cross-subsystem Changes:
- Merges 'tip/locking/wwmutex' branch (core kernel tip)
- "mei: pxp: export pavp client to me client bus"
Core Changes:
- Update ttm_move_memcpy for async use (Thomas)
Driver Changes:
- Enable GuC submission by default on DG1 (Matt B)
- Add PXP (Protected Xe Path) support for Gen12 integrated (Daniele,
Sean, Anshuman)
See "drm/i915/pxp: add PXP documentation" for details!
- Remove force_probe protection for ADL-S (Raviteja)
- Add base support for XeHP/XeHP SDV (Matt R, Stuart, Lucas)
- Handle DRI_PRIME=1 on Intel igfx + Intel dgfx hybrid graphics setup (Tvrtko)
- Use Transparent Hugepages when IOMMU is enabled (Tvrtko, Chris)
- Implement LMEM backup and restore for suspend / resume (Thomas)
- Report INSTDONE_GEOM values in error state for DG2 (Matt R)
- Add DG2-specific shadow register table (Matt R)
- Update Gen11/Gen12/XeHP shadow register tables (Matt R)
- Maintain backward-compatible nested batch behavior on TGL+ (Matt R)
- Add new LRI reg offsets for DG2 (Akeem)
- Initialize unused MOCS entries to device specific values (Ayaz)
- Track and use the correct UC MOCS index on Gen12 (Ayaz)
- Add separate MOCS table for Gen12 devices other than TGL/RKL (Ayaz)
- Simplify the locking and eliminate some RCU usage (Daniel)
- Add some flushing for the 64K GTT path (Matt A)
- Mark GPU wedging on driver unregister unrecoverable (Janusz)
- Major rework in the GuC codebase, simplify locking and add docs (Matt B)
- Add DG1 GuC/HuC firmwares (Daniele, Matt B)
- Remember to call i915_sw_fence_fini on guc_state.blocked (Matt A)
- Use "gt" forcewake domain name for error messages instead of "blitter" (Matt R)
- Drop now duplicate LMEM uAPI RFC kerneldoc section (Daniel)
- Fix early tracepoints for requests (Matt A)
- Use locked access to ctx->engines in set_priority (Daniel)
- Convert gen6/gen7/gen8 read operations to fwtable (Matt R)
- Drop gen11/gen12 specific mmio write handlers (Matt R)
- Drop gen11 specific mmio read handlers (Matt R)
- Use designated initializers for init/exit table (Kees)
- Fix syncmap memory leak (Matt B)
- Add pretty printing for buddy allocator state debug (Matt A)
- Fix potential error pointer dereference in pinned_context() (Dan)
- Remove IS_ACTIVE macro (Lucas)
- Static code checker fixes (Nathan)
- Clean up disabled warnings (Nathan)
- Increase timeout in i915_gem_contexts selftests 5x for GuC submission (Matt B)
- Ensure wa_init_finish() is called for ctx workaround list (Matt R)
- Initialize L3CC table in mocs init (Sreedhar, Ayaz, Ram)
- Get PM ref before accessing HW register (Vinay)
- Move __i915_gem_free_object to ttm_bo_destroy (Maarten)
- Deduplicate frequency dump on debugfs (Lucas)
- Make wa list per-gt (Venkata)
- Do not define dummy vma in stack (Venkata)
- Take pinning into account in __i915_gem_object_is_lmem (Matt B, Thomas)
- Do not report currently active engine when describing objects (Tvrtko)
- Fix pdfdocs build error by removing nested grid from GuC docs (Akira)
- Remove false warning from the rps worker (Tejas)
- Flush buffer pools on driver remove (Janusz)
- Fix runtime pm handling in i915_gem_shrink (Maarten)
- Rework TTM object initialization slightly (Thomas)
- Use fixed offset for PTEs location (Michal Wa)
- Verify result from CTB (de)register action and improve error messages (Michal Wa)
- Fix bug in user proto-context creation that leaked contexts (Matt B)
- Re-use Gen11 forcewake read functions on Gen12 (Matt R)
- Make shadow tables range-based (Matt R)
- Ditch the i915_gem_ww_ctx loop member (Thomas, Maarten)
- Use NULL instead of 0 where appropriate (Ville)
- Rename pci/debugfs functions to respect file prefix (Jani, Lucas)
- Drop guc_communication_enabled (Daniele)
- Selftest fixes (Thomas, Daniel, Matt A, Maarten)
- Clean up inconsistent indenting (Colin)
- Use direction definition DMA_BIDIRECTIONAL instead of
PCI_DMA_BIDIRECTIONAL (Cai)
- Add "intel_" as prefix in set_mocs_index() (Ayaz)
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YWAO80MB2eyToYoy@jlahtine-mobl.ger.corp.intel.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
Looks like skl/bxt/derivatives also need the plane stride
stretch w/a when using async flips and VT-d is enabled, or
else we get corruption on screen. To my surprise this was
even documented in bspec, but only as a note on the
CHICHKEN_PIPESL register description rather than on the
w/a list.
So very much the same thing as on HSW/BDW, except the bits
moved yet again.
Cc: stable@vger.kernel.org
Cc: Karthik B S <karthik.b.s@intel.com>
Fixes: 55ea1cb178ef ("drm/i915: Enable async flips in i915")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210930190943.17547-1-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
When protected sufaces has flipped and pxp session is disabled,
display black pixels by using plane color CTM correction.
v2:
- Display black pixels in async flip too.
v3:
- Removed the black pixels logic for async flip. [Ville]
- Used plane state to force black pixels. [Ville]
v4 (Daniele): update pxp_is_borked check.
v5: rebase on top of v9 plane decryption moving the decrypt check
(Juston)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Gaurav Kumar <kumar.gaurav@intel.com>
Cc: Shankar Uma <uma.shankar@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Juston Li <juston.li@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210924191452.1539378-15-alan.previn.teres.alexis@intel.com
Add support to enable/disable PLANE_SURF Decryption Request bit.
It requires only to enable plane decryption support when following
condition met.
1. PXP session is enabled.
2. Buffer object is protected.
v2:
- Used gen fb obj user_flags instead gem_object_metadata. [Krishna]
v3:
- intel_pxp_gem_object_status() API changes.
v4: use intel_pxp_is_active (Daniele)
v5: rebase and use the new protected object status checker (Daniele)
v6: used plane state for plane_decryption to handle async flip
as suggested by Ville.
v7: check pxp session while plane decrypt state computation. [Ville]
removed pointless code. [Ville]
v8 (Daniele): update PXP check
v9: move decrypt check after icl_check_nv12_planes() when overlays
have fb set (Juston)
v10 (Daniele): update PXP check again to match rework in earlier
patches and don't consider protection valid if the object has not
been used in an execbuf beforehand.
Cc: Bommu Krishnaiah <krishnaiah.bommu@intel.com>
Cc: Huang Sean Z <sean.z.huang@intel.com>
Cc: Gaurav Kumar <kumar.gaurav@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Juston Li <juston.li@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com> #v9
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210924191452.1539378-14-alan.previn.teres.alexis@intel.com
The HW will generate a teardown interrupt when session termination is
required, which requires i915 to submit a terminating batch. Once the HW
is done with the termination it will generate another interrupt, at
which point it is safe to re-create the session.
Since the termination and re-creation flow is something we want to
trigger from the driver as well, use a common work function that can be
called both from the irq handler and from the driver set-up flows, which
has the addded benefit of allowing us to skip any extra locks because
the work itself serializes the operations.
v2: use struct completion instead of bool (Chris)
v3: drop locks, clean up functions and improve comments (Chris),
move to common work function.
v4: improve comments, simplify wait logic (Rodrigo)
v5: unconditionally set interrupts, rename state_attacked var (Rodrigo)
v10: remove inclusion of intel_gt_types.h from intel_pxp.h (Jani)
Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Signed-off-by: Huang, Sean Z <sean.z.huang@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210924191452.1539378-10-alan.previn.teres.alexis@intel.com
Display underrun in HDR mode when cursor is enabled.
RTL fix will be implemented CLKGATE_DIS_PSL_A bit 28-46520h.
As per W/A 1604331009, Disable cursor clock gating in HDR mode.
Bspec : 33451
Changes since V6:
- Address checkpatch warnings
- Bit ordering
Changes since V5:
- replace intel_de_read with intel_de_rmw - Jani
Changes since V4:
- Added WA needed check - Ville
- Replace BIT with REG_BIT - Ville
- Add WA enable/disable support back which was
added in V1 - Ville
Changes since V3:
- Disable WA when not in HDR mode or cursor plane
not active - Ville
- Extract required args from crtc_state - Ville
- Create HDR mode API using bdw_set_pipemisc ref - Ville
- Tested with HDR video as well full setmode, WA
applies and disables
Changes since V2:
- Made it general gen11 WA
- Removed WA needed check
- Added cursor plane active check
- Once WA enable, software will not disable
Changes since V1:
- Modified way CLKGATE_DIS_PSL bit 28 was modified
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210929052442.2543054-1-tejaskumarx.surendrakumar.upadhyay@intel.com
Apply the same 512 byte FBC segment alignment to glk+ as we use
on skl+. The only real difference is that we now have a dedicated
register for the FBC override stride. Not 100% sure which
platforms really need the 512B alignment, but it's easiest
to just do it on everything.
Also the hardware no longer seems to misclaculate the CFB stride
for linear, so we can omit the use of the override stride for
linear unless the stride is misaligned.
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210921152517.803-3-ville.syrjala@linux.intel.com
Xe_HP adds some new bits to the FUSE1 register to let us know whether a
given SFC unit is present. We should take this into account while
initializing SFC availability to our VCS and VECS engines.
While we're at it, update the FUSE1 register definition to use
REG_GENMASK / REG_FIELD_GET notation.
Note that, the bspec confusingly names the fuse bits "disable" despite
the register reflecting the *enable* status of the SFC units. The
original architecture documents which the bspec is based on do properly
name this field "SFC_ENABLE."
Bspec: 52543
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210917161203.812251-2-matthew.d.roper@intel.com
Wa_16014451276 fixes the starting coordinate for PSR2 selective
updates. CHICKEN_TRANS definition of the workaround bit has a wrong
name based on workaround definition and HSD.
Wa_14014971508 allows the screen to continue to be updated when
coming back from DC5/DC6 and SF_SINGLE_FULL_FRAME bit is not kept
set in PSR2_MAN_TRK_CTL.
Wa_16012604467 fixes underruns when exiting PSR2 when it is in one
of its internal states.
Wa_14014971508 is still in pending status in BSpec but by
the time this is reviewed and ready to be merged it will be finalized.
v2:
- renamed register to ADLP_1_BASED_X_GRANULARITY
- added comment about all ADL-P supported panels being 1 based X
granularity
BSpec: 54369
BSpec: 50054
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914212507.177511-5-jose.souza@intel.com
Close the divergence which has caused patches not to apply and
have a solid baseline for the PXP patches that Rodrigo will send
a topic branch PR for.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Blitter commands which do not have MOCS fields rely on
cacheability of BlitterCacheControlRegister which was mapped
to index 0 by default.Once we changed the MOCS value of
index 0 to L3 WB, tests like gem_linear_blits started failing
due to a change in cacheability from UC to WB.
Program and place the BlitterCacheControlRegister in
build_aux_regs().
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Ayaz A Siddiqui <ayaz.siddiqui@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210903092153.535736-4-ayaz.siddiqui@intel.com
Cache-control registers for Command Stream(CMD_CCTL) are used
to set catchability for memory writes and reads outputted by
Command Streamers on Gen12 onward platforms.
These registers need to point un-cached(UC) MOCS index.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Ayaz A Siddiqui <ayaz.siddiqui@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210903092153.535736-3-ayaz.siddiqui@intel.com
core:
- extract i915 eDP backlight into core
- DP aux bus support
- drm_device.irq_enabled removed
- port drivers to native irq interfaces
- export gem shadow plane handling for vgem
- print proper driver name in framebuffer registration
- driver fixes for implicit fencing rules
- ARM fixed rate compression modifier added
- updated fb damage handling
- rmfb ioctl logging/docs
- drop drm_gem_object_put_locked
- define DRM_FORMAT_MAX_PLANES
- add gem fb vmap/vunmap helpers
- add lockdep_assert(once) helpers
- mark drm irq midlayer as legacy
- use offset adjusted bo mapping conversion
vgaarb:
- cleanups
fbdev:
- extend efifb handling to all arches
- div by 0 fixes for multiple drivers
udmabuf:
- add hugepage mapping support
dma-buf:
- non-dynamic exporter fixups
- document implicit fencing rules
amdgpu:
- Initial Cyan Skillfish support
- switch virtual DCE over to vkms based atomic
- VCN/JPEG power down fixes
- NAVI PCIE link handling fixes
- AMD HDMI freesync fixes
- Yellow Carp + Beige Goby fixes
- Clockgating/S0ix/SMU/EEPROM fixes
- embed hw fence in job
- rework dma-resv handling
- ensure eviction to system ram
amdkfd:
- uapi: SVM address range query added
- sysfs leak fix
- GPUVM TLB optimizations
- vmfault/migration counters
i915:
- Enable JSL and EHL by default
- preliminary XeHP/DG2 support
- remove all CNL support (never shipped)
- move to TTM for discrete memory support
- allow mixed object mmap handling
- GEM uAPI spring cleaning
- add I915_MMAP_OBJECT_FIXED
- reinstate ADL-P mmap ioctls
- drop a bunch of unused by userspace features
- disable and remove GPU relocations
- revert some i915 misfeatures
- major refactoring of GuC for Gen11+
- execbuffer object locking separate step
- reject caching/set-domain on discrete
- Enable pipe DMC loading on XE-LPD and ADL-P
- add PSF GV point support
- Refactor and fix DDI buffer translations
- Clean up FBC CFB allocation code
- Finish INTEL_GEN() and friends macro conversions
nouveau:
- add eDP backlight support
- implicit fence fix
msm:
- a680/7c3 support
- drm/scheduler conversion
panfrost:
- rework GPU reset
virtio:
- fix fencing for planes
ast:
- add detect support
bochs:
- move to tiny GPU driver
vc4:
- use hotplug irqs
- HDMI codec support
vmwgfx:
- use internal vmware device headers
ingenic:
- demidlayering irq
rcar-du:
- shutdown fixes
- convert to bridge connector helpers
zynqmp-dsub:
- misc fixes
mgag200:
- convert PLL handling to atomic
mediatek:
- MT8133 AAL support
- gem mmap object support
- MT8167 support
etnaviv:
- NXP Layerscape LS1028A SoC support
- GEM mmap cleanups
tegra:
- new user API
exynos:
- missing unlock fix
- build warning fix
- use refcount_t
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Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Highlights:
- i915 has seen a lot of refactoring and uAPI cleanups due to a
change in the upstream direction going forward
This has all been audited with known userspace, but there may be
some pitfalls that were missed.
- i915 now uses common TTM to enable discrete memory on DG1/2 GPUs
- i915 enables Jasper and Elkhart Lake by default and has preliminary
XeHP/DG2 support
- amdgpu adds support for Cyan Skillfish
- lots of implicit fencing rules documented and fixed up in drivers
- msm now uses the core scheduler
- the irq midlayer has been removed for non-legacy drivers
- the sysfb code now works on more than x86.
Otherwise the usual smattering of stuff everywhere, panels, bridges,
refactorings.
Detailed summary:
core:
- extract i915 eDP backlight into core
- DP aux bus support
- drm_device.irq_enabled removed
- port drivers to native irq interfaces
- export gem shadow plane handling for vgem
- print proper driver name in framebuffer registration
- driver fixes for implicit fencing rules
- ARM fixed rate compression modifier added
- updated fb damage handling
- rmfb ioctl logging/docs
- drop drm_gem_object_put_locked
- define DRM_FORMAT_MAX_PLANES
- add gem fb vmap/vunmap helpers
- add lockdep_assert(once) helpers
- mark drm irq midlayer as legacy
- use offset adjusted bo mapping conversion
vgaarb:
- cleanups
fbdev:
- extend efifb handling to all arches
- div by 0 fixes for multiple drivers
udmabuf:
- add hugepage mapping support
dma-buf:
- non-dynamic exporter fixups
- document implicit fencing rules
amdgpu:
- Initial Cyan Skillfish support
- switch virtual DCE over to vkms based atomic
- VCN/JPEG power down fixes
- NAVI PCIE link handling fixes
- AMD HDMI freesync fixes
- Yellow Carp + Beige Goby fixes
- Clockgating/S0ix/SMU/EEPROM fixes
- embed hw fence in job
- rework dma-resv handling
- ensure eviction to system ram
amdkfd:
- uapi: SVM address range query added
- sysfs leak fix
- GPUVM TLB optimizations
- vmfault/migration counters
i915:
- Enable JSL and EHL by default
- preliminary XeHP/DG2 support
- remove all CNL support (never shipped)
- move to TTM for discrete memory support
- allow mixed object mmap handling
- GEM uAPI spring cleaning
- add I915_MMAP_OBJECT_FIXED
- reinstate ADL-P mmap ioctls
- drop a bunch of unused by userspace features
- disable and remove GPU relocations
- revert some i915 misfeatures
- major refactoring of GuC for Gen11+
- execbuffer object locking separate step
- reject caching/set-domain on discrete
- Enable pipe DMC loading on XE-LPD and ADL-P
- add PSF GV point support
- Refactor and fix DDI buffer translations
- Clean up FBC CFB allocation code
- Finish INTEL_GEN() and friends macro conversions
nouveau:
- add eDP backlight support
- implicit fence fix
msm:
- a680/7c3 support
- drm/scheduler conversion
panfrost:
- rework GPU reset
virtio:
- fix fencing for planes
ast:
- add detect support
bochs:
- move to tiny GPU driver
vc4:
- use hotplug irqs
- HDMI codec support
vmwgfx:
- use internal vmware device headers
ingenic:
- demidlayering irq
rcar-du:
- shutdown fixes
- convert to bridge connector helpers
zynqmp-dsub:
- misc fixes
mgag200:
- convert PLL handling to atomic
mediatek:
- MT8133 AAL support
- gem mmap object support
- MT8167 support
etnaviv:
- NXP Layerscape LS1028A SoC support
- GEM mmap cleanups
tegra:
- new user API
exynos:
- missing unlock fix
- build warning fix
- use refcount_t"
* tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm: (1318 commits)
drm/amd/display: Move AllowDRAMSelfRefreshOrDRAMClockChangeInVblank to bounding box
drm/amd/display: Remove duplicate dml init
drm/amd/display: Update bounding box states (v2)
drm/amd/display: Update number of DCN3 clock states
drm/amdgpu: disable GFX CGCG in aldebaran
drm/amdgpu: Clear RAS interrupt status on aldebaran
drm/amdgpu: Add support for RAS XGMI err query
drm/amdkfd: Account for SH/SE count when setting up cu masks.
drm/amdgpu: rename amdgpu_bo_get_preferred_pin_domain
drm/amdgpu: drop redundant cancel_delayed_work_sync call
drm/amdgpu: add missing cleanups for more ASICs on UVD/VCE suspend
drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend
drm/amdkfd: map SVM range with correct access permission
drm/amdkfd: check access permisson to restore retry fault
drm/amdgpu: Update RAS XGMI Error Query
drm/amdgpu: Add driver infrastructure for MCA RAS
drm/amd/display: Add Logging for HDMI color depth information
drm/amd/amdgpu: consolidate PSP TA init shared buf functions
drm/amd/amdgpu: add name field back to ras_common_if
drm/amdgpu: Fix build with missing pm_suspend_target_state module export
...
Wa_16012360555 SW will have to program the "LP to HS Wakeup Guardband"
field to account for the repeaters on the HS Request/Ready PPI signaling
between the Display engine and the DPHY.
v2: Fix build issue.
v3: Align to new naming (Jani)
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210826054811.10572-2-vandita.kulkarni@intel.com
At this point is sure that HSW and BDW will never have PSR enabled by
default, so here dropping it from device info and cleaning up code.
v2:
- enable psr support for display 9
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210827174253.51122-1-jose.souza@intel.com
UHBR modes has higher link rate and added new values for programming
mpll of SNPS phy. No change in sequence, only the pll parameters
are different for UHBR modes.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210827103843.527-1-jani.nikula@intel.com
Polish the FBC stride override stuff:
- just call it override_cfb_stride since it'll be used on
more gens later
- Use REG_BIT() & co. for the registers and give everything
CHICKEN_ prefix since glk+ will have a different register
for this
- Use intel_de_rmw() for the RMW
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210702204603.596-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
For tgl+, the per-context setting of MI_MODE[12] determines whether
the bits of a nested MI_BATCH_BUFFER_START instruction should be
interpreted in the traditional manner or whether they should
instead use a new tgl+ meaning that breaks backward compatibility, but
allows nesting into 3rd-level batchbuffers. For previous platforms,
the hardware default for this register bit is to maintain
backward-compatible behavior unless a context intentionally opts into
the new behavior; however Xe_HPG flips the hardware default behavior.
From a SW perspective, we want to maintain the backward-compatible
behavior for userspace, so we'll apply a fake workaround to set it back
to the legacy behavior on platforms where the hardware default is to
break compatibility. At the moment there is no Linux userspace that
utilizes third-level batchbuffers, so this will avoid userspace from
needing to make any changes. using the legacy meaning is the correct
thing to do. If/when we have userspace consumers that want to utilize
third-level batch nesting, we can provide a context parameter to allow
them to opt-in.
Bspec: 45974, 45718
Cc: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210805163647.801064-9-matthew.d.roper@intel.com
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
The RP_STATE_CAP register is no longer part of the MCHBAR on XEHPSDV; this
register is now a per-tile register at GTTMMADDR offset 0x250014.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210805163647.801064-7-matthew.d.roper@intel.com
Till DISPLAY12 the PIPE_MISC bits 5-7 are used to set the
Dithering BPC, with valid values of 6, 8, 10 BPC.
For ADLP+ these bits are used to set the PORT OUTPUT BPC, with valid
values of: 6, 8, 10, 12 BPC, and need to be programmed whether
dithering is enabled or not.
This patch:
-corrects the bits 5-7 for PIPE MISC register for 12 BPC.
-renames the bits and mask to have generic names for these bits for
dithering bpc and port output bpc.
v3: Added a note for MIPI DSI which uses the PIPE_MISC for readout
for pipe_bpp. (Uma Shankar)
v2: Added 'display' to the subject and fixes tag. (Uma Shankar)
Fixes: 756f85cffef2 ("drm/i915/bdw: Broadwell has PIPEMISC")
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> (v1)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v3.13+
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210811051857.109723-1-ankit.k.nautiyal@intel.com
(cherry picked from commit 70418a68713c13da3f36c388087d0220b456a430)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
UAPI Changes:
- Add I915_MMAP_OFFSET_FIXED
On devices with local memory `I915_MMAP_OFFSET_FIXED` is the only valid
type. On devices without local memory, this caching mode is invalid.
As caching mode when specifying `I915_MMAP_OFFSET_FIXED`, WC or WB will
be used, depending on the object placement on creation. WB will be used
when the object can only exist in system memory, WC otherwise.
Userspace: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11888
- Reinstate the mmap ioctl for (already released) integrated Gen12 platforms
Rationale: Otherwise media driver breaks eg. for ADL-P. Long term goal is
still to sunset the IOCTL even for integrated and require using mmap_offset.
- Reject caching/set_domain IOCTLs on discrete
Expected to become immutable property of the BO
- Disallow changing context parameters after first use on Gen12 and earlier
- Require setting context parameters at creation on platforms after Gen12
Rationale (for both): Allow less dynamic changes to the context to simplify
the implementation and avoid user shooting theirselves in the foot.
- Drop I915_CONTEXT_PARAM_RINGSIZE
Userspace PR for compute-driver has not been merged
- Drop I915_CONTEXT_PARAM_NO_ZEROMAP
Userspace PR for libdrm / Beignet was never landed
- Drop CONTEXT_CLONE API
Userspace PR for Mesa was never landed
- Drop getparam support for I915_CONTEXT_PARAM_ENGINES
Only existed for symmetry wrt. setparam, never used.
- Disallow bonding of virtual engines
Drop the prep work, no hardware has been released needing it.
- (Implicit) Disable gpu relocations
Media userspace was the last userspace to still use them. They
have converted so performance can be regained with an update.
Core Changes:
- Merge topic branch 'topic/i915-ttm-2021-06-11' (from Maarten)
- Merge topic branch 'topic/revid_steppings' (from Matt R)
- Merge topic branch 'topic/xehp-dg2-definitions-2021-07-21' (from Matt R)
- Backmerges drm-next (Rodrigo)
Driver Changes:
- Initial workarounds for ADL-P (Clint)
- Preliminary code for XeHP/DG2 (Stuart, Umesh, Matt R, Prathap, Ram,
Venkata, Akeem, Tvrtko, John, Lucas)
- Fix ADL-S DMA mask size to 39 bits (Tejas)
- Remove code for CNL (Lucas)
- Add ADL-P GuC/HuC firmwares (John)
- Update HuC to 7.9.3 for TGL/ADL-S/RKL (John)
- Fix -EDEADLK handling regression (Ville)
- Implement Wa_1508744258 for DG1 and Gen12 iGFX (Jose)
- Extend Wa_1406941453 to ADL-S (Jose)
- Drop unnecessary workarounds per stepping for SKL/BXT/ICL (Matt R)
- Use fuse info to enable SFC on Gen12 (Venkata)
- Unconditionally flush the pages on acquire on EHL/JSL (Matt A)
- Probe existence of backing struct pages upon userptr creation (Chris, Matt A)
- Add an intermediate GEM proto-context to delay real context creation (Jason)
- Implement SINGLE_TIMELINE with a syncobj (Jason)
- Set the watchdog timeout directly in intel_context_set_gem (Jason)
- Disallow userspace from creating contexts with too many engines (Jason)
- Revert "drm/i915/gem: Asynchronous cmdparser" (Jason)
- Revert "drm/i915: Propagate errors on awaiting already signaled fences" (Jason)
- Revert "drm/i915: Skip over MI_NOOP when parsing" (Jason)
- Revert "drm/i915: Shrink the GEM kmem_caches upon idling" (Daniel)
- Always let TTM handle object migration (Jason)
- Correct the locking and pin pattern for dma-buf (Thomas H, Michael R, Jason)
- Migrate to system at dma-buf attach time (Thomas, Michael R)
- MAJOR refactoring of the GuC backend code to allow for enabling on Gen11+
(Matt B, John, Michal Wa., Fernando, Daniele, Vinay)
- Update GuC firmware interface to v62.0.0 (John, Michal Wa., Matt B)
- Add GuCRC feature to hand over the control of HW RC6 to the GuC on
Gen12+ when GuC submission is enabled (Vinay, Sujaritha, Daniele,
John, Tvrtko)
- Use the correct IRQ during resume and eliminate DRM IRQ midlayer (Thomas Z)
- Add pipelined page migration and clearing (Chris, Thomas H)
- Use TTM for system memory on discrete (Thomas H)
- Implement object migration for display vs. dma-buf (Thomas H)
- Perform execbuffer object locking as a separate step (Thomas H)
- Add support for explicit L3BANK steering (Matt, Daniele)
- Remove duplicated call to ops->pread (Daniel)
- Fix pagefault disabling in the first execbuf slowpath (Daniel)
- Simplify userptr locking (Thomas H)
- Improvements to the GuC CTB code (Matt B, John)
- Make GT workaround upper bounds exclusive (Matt R)
- Check for nomodeset in i915_init() first (Daniel)
- Delete now unused gpu reloc code (Daniel)
- Document RFC plans for GuC submission, DRM scheduler and new parallel
submit uAPI (Matt B)
- Reintroduce buddy allocator this time with TTM (Matt A)
- Support forcing page size with LMEM (Matt A)
- Add i915_sched_engine to abstract a submission queue between backends (Matt B)
- Use accelerated move in TTM (Ram)
- Fix memory leaks from TTM backend (Thomas H)
- Introduce WW transaction helper (Thomas H)
- Improve debug Kconfig texts a bit (Daniel)
- Unify user object creation code (Jason)
- Use a table for i915_init/exit (Jason)
- Move slabs to module init/exit (Daniel)
- Remove now unused i915_globals (Daniel)
- Extract i915_module.c (Daniel)
- Consistently use adl-p/adl-s in WA comments (Jose)
- Finish INTEL_GEN and friends conversion (Lucas)
- Correct variable/function namings (Lucas)
- Code checker fixes (Wan, Matt A)
- Tracepoint improvements (Matt B)
- Kerneldoc improvements (Tvrtko, Jason, Matt A, Maarten)
- Selftest improvements (Chris, Matt A, Tejas, Thomas H, John, Matt B,
Rahul, Vinay)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YQ0JmYiXhGskNcrI@jlahtine-mobl.ger.corp.intel.com
Starting in XeHP, the concept of slice has been removed in favor of
DSS (Dual-Subslice) masks for various workload types. These workloads have
been divided into those enabled for geometry and those enabled for compute.
i915 currently maintains a single set of S/SS/EU masks for the device.
The goal of this patch set is to minimize the amount of impact to prior
generations while still giving the user maximum flexibility.
v2:
- Generalize a comment about uapi access to geometry/compute masks; the
proposed uapi has changed since the comment was first written, and
will show up in a future series once the userspace code is published.
(Lucas)
v3:
- Eliminate unnecessary has_compute_dss flag. (Lucas)
- Drop unwanted comment change in uapi header. (Lucas)
Bspec: 33117, 33118, 20376
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Steve Hampson <steven.t.hampson@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210806172901.1049133-1-matthew.d.roper@intel.com
Xe_HPG adds some additional INSTDONE_GEOM debug registers; the Mesa team
has indicated that having these reported in the error state would be
useful for debugging GPU hangs. These registers are replicated per-DSS
with gslice steering.
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210805163647.801064-4-matthew.d.roper@intel.com
Till DISPLAY12 the PIPE_MISC bits 5-7 are used to set the
Dithering BPC, with valid values of 6, 8, 10 BPC.
For ADLP+ these bits are used to set the PORT OUTPUT BPC, with valid
values of: 6, 8, 10, 12 BPC, and need to be programmed whether
dithering is enabled or not.
This patch:
-corrects the bits 5-7 for PIPE MISC register for 12 BPC.
-renames the bits and mask to have generic names for these bits for
dithering bpc and port output bpc.
v3: Added a note for MIPI DSI which uses the PIPE_MISC for readout
for pipe_bpp. (Uma Shankar)
v2: Added 'display' to the subject and fixes tag. (Uma Shankar)
Fixes: 756f85cffef2 ("drm/i915/bdw: Broadwell has PIPEMISC")
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> (v1)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v3.13+
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210811051857.109723-1-ankit.k.nautiyal@intel.com
Although DG2_G10 platforms will always have all SQIDI's present and
don't need steering for registers in a SQIDI MMIO range, this isn't true
for DG2_G11 platforms; only SQIDI's 2 and 3 can be used on those.
We handle SQIDI ranges a bit differently from other types of explicit
steering. The SQIDI ranges belong to either the MCFG unit or the SF
unit, both of which have their own dedicated steering registers and do
not use the typical 0xFDC steering control that all other types of
ranges use. Thus we only need to worry about picking a valid initial
value for the MCFG and SF steering registers (0xFD0 and 0xFD8
respectively) at driver init; they won't change after we set them up so
we don't need to worry about re-steering them explicitly at runtime.
Given that any SQIDI value should work fine for DG2-G10 and XeHP SDV,
while only values of 2 and 3 are valid for DG2-G11, we'll just
initialize the MCFG and SF steering registers to a constant value of "2"
for all XeHP-based platforms for simplicity --- that will work in all
cases.
Bspec: 66534
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210729170008.2836648-6-matthew.d.roper@intel.com
Xe_HP is more modular than its predecessors and as a consequence it has
more types of replicated registers. As with l3bank regions on previous
platforms, we may need to explicitly re-steer accesses to these new
types of ranges at runtime if we can't find a single default steering
value that satisfies the fusing of all types.
v2:
- Add a local 'i915' variable to reduce gt->i915 usage. (Caz)
- Drop unused 'intel_gt_read_register' prototype. (Caz)
v3:
- Drop unnecessary comment text. (Lucas)
- Drop unused register bit definition. (Lucas)
Bspec: 66534
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Caz Yokoyama <caz.yokoyama@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210729170008.2836648-2-matthew.d.roper@intel.com
Xe_HP no longer has "slices" in the same way that old platforms did.
There are new concepts (gslices, cslices, mslices) that apply in various
contexts, but for the purposes of fusing slices no longer exist and we
just have one large pool of dual-subslices (DSS) to work with.
Furthermore, the meaning of the DSS fuse is inverted compared to past
platforms --- it now specifies which DSS are enabled rather than which
ones are disabled.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Prasad Nallani <prasad.nallani@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210729170008.2836648-9-matthew.d.roper@intel.com
Update the get/set min/max freq hooks to work for
SLPC case as well. Consolidate helpers for requested/min/max
frequency get/set to intel_rps where the proper action can
be taken depending on whether SLPC is enabled.
v2: Add wrappers for getting rp0/1/n frequencies, update
softlimits in set min/max SLPC functions. Also check for
boundary conditions before setting them.
v3: Address review comments (Michal W)
v4: Add helper for host part of intel_rps_set_freq helpers (Michal W)
v5: checkpatch()
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Acked-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730202119.23810-13-vinay.belgaumkar@intel.com
Cache rp0, rp1 and rpn platform limits into SLPC structure
for range checking while setting min/max frequencies.
Also add "soft" limits which keep track of frequency changes
made from userland. These are initially set to platform min
and max.
v2: Address review comments (Michal W)
v3: Formatting (Michal W)
v4: Add separate function to parse rp values (Michal W)
v5: Perform range checking for set min/max (Michal W)
v6: checkpatch() and rename static functions (Michal W)
v7: check ret code while setting SLPC limits (Michal W)
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730202119.23810-12-vinay.belgaumkar@intel.com
The register offset for SFC_DONE was missing a '0' at the end, causing
us to read from a non-existent register address. We only use this
register in error state dumps so the mistake hasn't caused any real
problems, but fixing it will hopefully make the error state dumps a bit
more useful for debugging.
Fixes: e50dbdbfd9fb ("drm/i915/tgl: Add SFC instdone to error state")
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210728233411.2365788-1-matthew.d.roper@intel.com
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
(cherry picked from commit 82929a2140eb99f1f1d21855f3f580e70d7abdd8)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The register offset for SFC_DONE was missing a '0' at the end, causing
us to read from a non-existent register address. We only use this
register in error state dumps so the mistake hasn't caused any real
problems, but fixing it will hopefully make the error state dumps a bit
more useful for debugging.
Fixes: e50dbdbfd9fb ("drm/i915/tgl: Add SFC instdone to error state")
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210728233411.2365788-1-matthew.d.roper@intel.com
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
