core:
- Take modeset bkl for legacy drivers.
dp_mst:
- Allow null crtc in dp_mst.
i915:
- Fix command parser desc matching with masks
amdgpu:
- Misc display fixes
- Backlight fixes
- MPO fix for DCN1
- Fixes for Sienna Cichlid
- Fixes for Navy Flounder
- Vega SW CTF fixes
- SMU fix for Raven
- Fix a possible overflow in INFO ioctl
- Gfx10 clockgating fix
msm:
- opp/bw scaling patch followup
- frequency restoring fux
- vblank in atomic commit fix
- dpu modesetting fixes
- fencing fix
etnaviv:
- scheduler interaction fix
- gpu init regression fix
exynos:
- Just drop __iommu annotation to fix sparse warning.
omap:
- locking state fix.
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Merge tag 'drm-fixes-2020-08-28' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"As expected a bit of an rc3 uptick, amdgpu and msm are the main ones,
one msm patch was from the merge window, but had dependencies and we
dropped it until the other tree had landed. Otherwise it's a couple of
fixes for core, and etnaviv, and single i915, exynos, omap fixes.
I'm still tracking the Sandybridge gpu relocations issue, if we don't
see much movement I might just queue up the reverts. I'll talk to
Daniel next week once he's back from holidays.
core:
- Take modeset bkl for legacy drivers
dp_mst:
- Allow null crtc in dp_mst
i915:
- Fix command parser desc matching with masks
amdgpu:
- Misc display fixes
- Backlight fixes
- MPO fix for DCN1
- Fixes for Sienna Cichlid
- Fixes for Navy Flounder
- Vega SW CTF fixes
- SMU fix for Raven
- Fix a possible overflow in INFO ioctl
- Gfx10 clockgating fix
msm:
- opp/bw scaling patch followup
- frequency restoring fux
- vblank in atomic commit fix
- dpu modesetting fixes
- fencing fix
etnaviv:
- scheduler interaction fix
- gpu init regression fix
exynos:
- Just drop __iommu annotation to fix sparse warning
omap:
- locking state fix"
* tag 'drm-fixes-2020-08-28' of git://anongit.freedesktop.org/drm/drm: (41 commits)
drm/amd/display: Fix memleak in amdgpu_dm_mode_config_init
drm/amdgpu: disable runtime pm for navy_flounder
drm/amd/display: Retry AUX write when fail occurs
drm/amdgpu: Fix buffer overflow in INFO ioctl
drm/amd/powerplay: Fix hardmins not being sent to SMU for RV
drm/amdgpu: use MODE1 reset for navy_flounder by default
drm/amd/pm: correct the thermal alert temperature limit settings
drm/amdgpu: add asd fw check before loading asd
drm/amd/display: Keep current gain when ABM disable immediately
drm/amd/display: Fix passive dongle mistaken as active dongle in EDID emulation
drm/amd/display: Revert HDCP disable sequence change
drm/amd/display: Send DISPLAY_OFF after power down on boot
drm/amdgpu/gfx10: refine mgcg setting
drm/amd/pm: correct Vega20 swctf limit setting
drm/amd/pm: correct Vega12 swctf limit setting
drm/amd/pm: correct Vega10 swctf limit setting
drm/amd/pm: set VCN pg per instances
drm/amd/pm: enable run_btc callback for sienna_cichlid
drivers: gpu: amd: Initialize amdgpu_dm_backlight_caps object to 0 in amdgpu_dm_update_backlight_caps
drm/amd/display: Reject overlay plane configurations in multi-display scenarios
...
Some fixes for v5.9 plus the one opp/bandwidth scaling patch ("drm:
msm: a6xx: use dev_pm_opp_set_bw to scale DDR") which was not included
in the initial pull due to dependency on patch landing thru OPP tree
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ <CAF6AEGt45A4ObyhEdC5Ga4f4cAf-NBSVRECu7df3Gh6-X4G3tQ@mail.gmail.com
Two fixes:
One fixes a bad interaction with the DRM scheduler, leading to some dma
fences not getting signalled after hitting the job timeout. The other
one fixes a GPU init regression, as apparently one old core doesn't
likes us reading some of the identification registers.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/aceebfe3af636346f5252bdf727cdd988bdcbdf2.camel@pengutronix.de
When amdgpu_display_modeset_create_props() fails, state and
state->context should be freed to prevent memleak. It's the
same when amdgpu_dm_audio_init() fails.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
In dm_dp_aux_transfer() now, we forget to handle AUX_WR fail cases. We
suppose every write wil get done successfully and hence some AUX
commands might not sent out indeed.
[How]
Check if AUX_WR success. If not, retry it.
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The values for "se_num" and "sh_num" come from the user in the ioctl.
They can be in the 0-255 range but if they're more than
AMDGPU_GFX_MAX_SE (4) or AMDGPU_GFX_MAX_SH_PER_SE (2) then it results in
an out of bounds read.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
[Why]
DC uses these to raise the voltage as needed for higher dispclk/dppclk
and to ensure that we have enough bandwidth to drive the displays.
There's a bug preventing these from actuially sending messages since
it's checking the actual clock (which is 0) instead of the incoming
clock (which shouldn't be 0) when deciding to send the hardmin.
[How]
Check the clocks != 0 instead of the actual clocks.
Fixes: 9ed9203c3e ("drm/amd/powerplay: rv dal-pplib interface refactor powerplay part")
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Do the maths in celsius degree. This can fix the issues caused
by the changes below:
drm/amd/pm: correct Vega20 swctf limit setting
drm/amd/pm: correct Vega12 swctf limit setting
drm/amd/pm: correct Vega10 swctf limit setting
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
asd is not ready for some ASICs in early stage, and psp->asd_fw is more generic than ASIC name in the check.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
When system enters s3/s0i3, backlight PWM would set user level.
[How]
ABM disable function add keep current gain to avoid it.
Signed-off-by: Brandon Syu <Brandon.Syu@amd.com>
Reviewed-by: Josip Pavic <Josip.Pavic@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
dongle_type is set during dongle connection but for passive dongles,
dongle_type is not set. If user starts with an active dongle and
then switches to a passive dongle, it will still report as an active
dongle. Trying to emulate the wrong connecter type results in display
not lighting up.
[How]
Set dpcd_caps.dongle_type for passive dongles in detect_dp().
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Reviewed-by: Joshua Aberback <Joshua.Aberback@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Revert HDCP disable sequence change that blanks stream before
disabling HDCP. PSP and HW teams are currently investigating the
root cause of why HDCP cannot be disabled before stream blank,
which is expected to work without issues.
Signed-off-by: Jaehyun Chung <jaehyun.chung@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[WHY]
update_clocks might not be called on headless adapters. This means
DISPLAY_OFF may not be sent in headless cases.
[HOW]
If hardware is powered down on boot because it is headless (mode set
does not happen on that adapter) also send DISPLAY_OFF notification.
Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Correct the Vega20 thermal swctf limit.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Correct the Vega12 thermal swctf limit.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
When deciding whether to set pg for vcn1, instances
number is more generic than chip name.
Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
DC BTC support for sienna_cichlid is added, it provides
the DC tolerance and aging measurements.
Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
In `amdgpu_dm_update_backlight_caps()`, there is a local
`amdgpu_dm_backlight_caps` object that is filled in by
`amdgpu_acpi_get_backlight_caps()`. However, this object is
uninitialized before the call and hence the subsequent check for
aux_support can fail since it is not initialized by
`amdgpu_acpi_get_backlight_caps()` as well. This change initializes
this local `amdgpu_dm_backlight_caps` object to 0.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Furquan Shaikh <furquan@google.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
These aren't stable on some platform configurations when driving
multiple displays, especially on higher resolution.
In particular the delay in asserting p-state and validating from
x86 outweights any power or performance benefit from the hardware
composition.
Under some configurations this will manifest itself as extreme stutter
or unresponsiveness especially when combined with cursor movement.
[How]
Disable these for now. Exposing overlays to userspace doesn't guarantee
that they'll be able to use them in any and all configurations and it's
part of the DRM contract to have userspace gracefully handle validation
failures when they occur.
Valdiation occurs as part of DC and this in particular affects RV, so
disable this in dcn10_global_validation.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Documentation for sysfs backlight level interface requires that
values in both 'brightness' and 'actual_brightness' files are
interpreted to be in range from 0 to the value given in the
'max_brightness' file.
With amdgpu, max_brightness gives 255, and values written by the user
into 'brightness' are internally rescaled to a wider range. However,
reading from 'actual_brightness' gives the raw register value without
inverse rescaling. This causes issues for various userspace tools such
as PowerTop and systemd that expect the value to be in the correct
range.
Introduce a helper to retrieve internal backlight range. Use it to
reimplement 'convert_brightness' as 'convert_brightness_from_user' and
introduce 'convert_brightness_to_user'.
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=203905
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1242
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alexander Monakov <amonakov@ispras.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
core_link_read_dpcd returns only DC_OK(1) and DC_ERROR_UNEXPECTED(-1),
the caller should check error using DC_OK instead of checking against 0
Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
kvaddr element of the exynos_gem object points to a memory buffer, thus
it should not have a __iomem annotation. Then, to avoid a warning or
casting on assignment to fbi structure, the screen_buffer element of the
union should be used instead of the screen_base.
Reported-by: kernel test robot <lkp@intel.com>
Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
After commit 92cc68e358 ("drm/vblank: Use
spin_(un)lock_irq() in drm_crtc_vblank_on()") omapdrm locking is broken:
WARNING: inconsistent lock state
5.8.0-rc2-00483-g92cc68e35863 #13 Tainted: G W
--------------------------------
inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
swapper/0/0 [HC1[1]:SC0[0]:HE0:SE1] takes:
ea98222c (&dev->event_lock#2){?.+.}-{2:2}, at: drm_handle_vblank+0x4c/0x520 [drm]
{HARDIRQ-ON-W} state was registered at:
trace_hardirqs_on+0x9c/0x1ec
_raw_spin_unlock_irq+0x20/0x58
omap_crtc_atomic_enable+0x54/0xa0 [omapdrm]
drm_atomic_helper_commit_modeset_enables+0x218/0x270 [drm_kms_helper]
omap_atomic_commit_tail+0x48/0xc4 [omapdrm]
commit_tail+0x9c/0x190 [drm_kms_helper]
drm_atomic_helper_commit+0x154/0x188 [drm_kms_helper]
drm_client_modeset_commit_atomic+0x228/0x268 [drm]
drm_client_modeset_commit_locked+0x60/0x1d0 [drm]
drm_client_modeset_commit+0x24/0x40 [drm]
drm_fb_helper_restore_fbdev_mode_unlocked+0x54/0xa8 [drm_kms_helper]
drm_fb_helper_set_par+0x2c/0x5c [drm_kms_helper]
drm_fb_helper_hotplug_event.part.0+0xa0/0xbc [drm_kms_helper]
drm_kms_helper_hotplug_event+0x24/0x30 [drm_kms_helper]
output_poll_execute+0x1a8/0x1c0 [drm_kms_helper]
process_one_work+0x268/0x800
worker_thread+0x30/0x4e0
kthread+0x164/0x190
ret_from_fork+0x14/0x20
The reason for this is that omapdrm calls drm_crtc_vblank_on() while
holding event_lock taken with spin_lock_irq().
It is not clear why drm_crtc_vblank_on() and drm_crtc_vblank_get() are
called while holding event_lock. I don't see any problem with moving
those calls outside the lock, which is what this patch does.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200819103021.440288-1-tomi.valkeinen@ti.com
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Merge tag 'v5.9-rc2' into drm-misc-fixes
Backmerge requested by Tomi for a fix to omap inconsistent
locking state issue, and because we need at least v5.9-rc2 now.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Our variety of defined gpu commands have the actual
command id field and possibly length and flags applied.
We did start to apply the mask during initialization of
the cmd descriptors but forgot to also apply it on comparisons.
Fix comparisons in order to properly deny access with
associated commands.
v2: fix lri with correct mask (Chris)
References: 926abff21a ("drm/i915/cmdparser: Ignore Length operands during command matching")
Reported-by: Nicolai Stange <nstange@suse.de>
Cc: stable@vger.kernel.org # v5.4+
Cc: Miroslav Benes <mbenes@suse.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Tyler Hicks <tyhicks@canonical.com>
Cc: Jon Bloomfield <jon.bloomfield@intel.com>
Cc: Chris Wilson <chris.p.wilson@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200817195926.12671-1-mika.kuoppala@linux.intel.com
(cherry picked from commit 3b4efa148d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The drm scheduler currently expects that the stop/start sequence is always
executed in the timeout handling, as the job at the head of the hardware
execution list is always removed from the ring mirror before the driver
function is called and only inserted back into the list when starting the
scheduler.
This adds some unnecessary overhead if the timeout handler determines
that the GPU is still executing jobs normally and just wished to extend
the timeout, but a better solution requires a major rearchitecture of the
scheduler, which is not applicable as a fix.
Fixes: 135517d356 ("drm/scheduler: Avoid accessing freed bad job.")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Russell King <rmk+kernel@armlinux.org.uk>
It looks like that this GPU core triggers an abort when
reading VIVS_HI_CHIP_PRODUCT_ID and/or VIVS_HI_CHIP_ECO_ID.
I looked at different versions of Vivante's kernel driver and did
not found anything about this issue or what feature flag can be
used. So go the simplest route and do not read these two registers
on the affected GPU core.
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reported-by: Josua Mayer <josua.mayer@jm0.eu>
Fixes: 815e45bbd4 ("drm/etnaviv: determine product, customer and eco id")
Cc: stable@vger.kernel.org
Tested-by: Josua Mayer <josua.mayer@jm0.eu>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
The patch reorganizing the set_freq function made it so the gmu resume
doesn't always set the frequency, because a6xx_gmu_set_freq() exits early
when the frequency hasn't been changed. Note this always happens when
resuming GMU after recovering from a hang.
Use a simple workaround to prevent this from happening.
Fixes: 1f60d11423 ("drm: msm: a6xx: send opp instead of a frequency")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Rob Clark <robdclark@chromium.org>
For production devices, the debugbus sections will typically be fused
off and empty in the gpu device coredump. But since this may contain
data like cache contents, don't capture it by default.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Backport note: maybe wait some time for the crashdec MR[1] to look for
both the old typo'd name and the corrected name to land in mesa 20.2
[1] https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6242
Fixes: 1707add815 ("drm/msm/a6xx: Add a6xx gpu state")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
New Qualcomm firmware has changed a way it reports back the 'started'
event. Support new register values.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This has roughly the same effect as drm_atomic_helper_wait_for_vblanks(),
basically just ensuring that vblank accounting is enabled so that we get
valid timestamp/seqn on pageflip events.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Tested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This reverts commit 9c9b17a7d1.
Newly released sdma fw (51.52) provides a fix for the issue.
Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The dependency between power wells is determined by the ordering of the
power well list: when enabling the power wells for a domain, this
happens walking the power well list forward, while disabling them
happens in the reverse direction. Accordingly a power well on the list
must follow any other power well it depends on.
Since the TC AUX power wells depend on TC-cold being blocked, move the
TC-cold off power well before all AUX power wells.
Fixes: 3c02934b24 ("drm/i915/tc/tgl: Implement TC cold sequences")
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200720232952.16228-1-imre.deak@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit b302a2e688)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
igt_mm_config() calls ilog2() on the (pseudo)random 21-bit number
s>>12. Once in 2 million seeds, this is zero and ilog2 summons
the nasal demons.
There was an attempt to handle this case with a max(), but that's
too late; ms could already be something bizarre.
Given that the low 12 bits of s and ms are always zero, it's a lot
simpler just to divide them by 4096, then everything fits into 32
bits, and we can easily generate a random number 1 <= s <= 0x1fffff.
Fixes: 14d1b9a624 ("drm/i915: buddy allocator")
Signed-off-by: George Spelvin <lkml@sdf.org>
Cc: Matthew Auld <matthew.auld@intel.com>
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
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200325192429.GA8865@SDF.ORG
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 21118e8e56)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
In the case of calling check_digital_port_conflicts() failed, a
negative error code -EINVAL should be returned.
Fixes: bf5da83e4b ("drm/i915: Move check_digital_port_conflicts() earier")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200802111535.5200-1-tianjia.zhang@linux.alibaba.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 66b51b801d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
A recent bspec update removed the LPDDR4 single channel entry from the
buddy register table, but added a new four-channel entry.
Workaround 1409767108 hasn't been updated with any guidance for four
channel configurations, so we leave that alternate table unchanged for
now.
Bspec 49218
Fixes: 3fa01d642f ("drm/i915/tgl: Program BW_BUDDY registers during display init")
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200612204734.3674650-1-matthew.d.roper@intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit ecb40d0826)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Since we use the module parameters stored inside the drm_i915_device
itself, we need to ensure the mock i915_device also sets up the right
defaults.
Fixes: 8a25c4be58 ("drm/i915/params: switch to device specific parameters")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200728150600.4509-1-chris@chris-wilson.co.uk
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 98ef067453)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Rather than manually implement our own module reference counting for perf
pmu events, finally realise that there is a module parameter to struct
pmu for this very purpose.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200716094643.31410-1-chris@chris-wilson.co.uk
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 27e897beec)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
