this query will give flag bits to indicate what happend
on the given context
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
reset_counter marks the reset counter number once the context
is created, shouldn't be changed due to query.
To keep U/K interface on the ctx_query and keep ctx's reset_counter
logic compatible with GPU RESET feature, now use another var named
"reset_counter_query" to replace the original checked & updated in
amdgpu_ctx_query.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Bug:
Kfifo is limited at size, during GPU reset it would fill up to limit
and the pushing thread (producer) would wait for the scheduler worker to
consume the items in the fifo while holding reservation lock
on a BO. The gpu reset thread on the other hand blocks the scheduler
during reset. Before it unblocks the sceduler it might want
to recover VRAM and so will try to reserve the same BO the producer
thread is already holding creating a deadlock.
Fix:
Switch from kfifo to SPSC queue which is unlimited in size.
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It is intended to sabstitute the bounded fifo we are currently
using.
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
merge the setting guilty on context into this function
to avoid implement extra routine.
v2:
go through entity list and compare the fence_ctx
before operate on the entity, otherwise the entity
may be just a wild pointer
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
this way the real interested guilty is connected to entity->guilty
pointer, and we can use entity->pointer later in gpu recovery procedure
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
this member will be used later, it will points to
the real var inside of context and CS_SUBMIT & gpu schdduler
can decide if skip a job depends on context->guilty or *entity->guilty
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
since gpu_scheduler source domain cannot access amdgpu variable
so need create the hang_limit membewr for sched, and it can
refer it for the upcoming GPU RESET patches
v2:
make hang_limit a parameter of sched_init()
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
cleanups, now only operate on the given ring
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Bug: amdgpu_job_free_cb was accessing s_job->s_entity when the allocated
amdgpu_ctx (and the entity inside it) were already deallocated from
amdgpu_cs_parser_fini.
Fix: Save job's priority on it's creation instead of accessing it from
s_entity later on.
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Reviewed-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
- Many improvements for selftests and other igt tests (Chris)
- Forcewake with PUNIT->PMIC bus fixes and robustness (Hans)
- Define an engine class for uABI (Tvrtko)
- Context switch fixes and improvements (Chris)
- GT powersavings and power gating simplification and fixes (Chris)
- Other general driver clean-ups (Chris, Lucas, Ville)
- Removing old, useless and/or bad workarounds (Chris, Oscar, Radhakrishna)
- IPS, pipe config, etc in preparation for another Fast Boot attempt (Maarten)
- OA perf fixes and support to Coffee Lake and Cannonlake (Lionel)
- Fixes around GPU fault registers (Michel)
- GEM Proxy (Tina)
- Refactor of Geminilake and Cannonlake plane color handling (James)
- Generalize transcoder loop (Mika Kahola)
- New HW Workaround for Cannonlake and Geminilake (Rodrigo)
- Resume GuC before using GEM (Chris)
- Stolen Memory handling improvements (Ville)
- Initialize entry in PPAT for older compilers (Chris)
- Other fixes and robustness improvements on execbuf (Chris)
- Improve logs of GEM_BUG_ON (Mika Kuoppala)
- Rework with massive rename of GuC functions and files (Sagar)
- Don't sanitize frame start delay if pipe is off (Ville)
- Cannonlake clock fixes (Rodrigo)
- Cannonlake HDMI 2.0 support (Rodrigo)
- Add a GuC doorbells selftest (Michel)
- Add might_sleep() check to our wait_for() (Chris)
Many GVT changes for 4.16:
- CSB HWSP update support (Weinan)
- GVT debug helpers, dyndbg and debugfs (Chuanxiao, Shuo)
- full virtualized opregion (Xiaolin)
- VM health check for sane fallback (Fred)
- workload submission code refactor for future enabling (Zhi)
- Updated repo URL in MAINTAINERS (Zhenyu)
- other many misc fixes
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Merge tag 'drm-intel-next-2017-11-17-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
More change sets for 4.16:
- Many improvements for selftests and other igt tests (Chris)
- Forcewake with PUNIT->PMIC bus fixes and robustness (Hans)
- Define an engine class for uABI (Tvrtko)
- Context switch fixes and improvements (Chris)
- GT powersavings and power gating simplification and fixes (Chris)
- Other general driver clean-ups (Chris, Lucas, Ville)
- Removing old, useless and/or bad workarounds (Chris, Oscar, Radhakrishna)
- IPS, pipe config, etc in preparation for another Fast Boot attempt (Maarten)
- OA perf fixes and support to Coffee Lake and Cannonlake (Lionel)
- Fixes around GPU fault registers (Michel)
- GEM Proxy (Tina)
- Refactor of Geminilake and Cannonlake plane color handling (James)
- Generalize transcoder loop (Mika Kahola)
- New HW Workaround for Cannonlake and Geminilake (Rodrigo)
- Resume GuC before using GEM (Chris)
- Stolen Memory handling improvements (Ville)
- Initialize entry in PPAT for older compilers (Chris)
- Other fixes and robustness improvements on execbuf (Chris)
- Improve logs of GEM_BUG_ON (Mika Kuoppala)
- Rework with massive rename of GuC functions and files (Sagar)
- Don't sanitize frame start delay if pipe is off (Ville)
- Cannonlake clock fixes (Rodrigo)
- Cannonlake HDMI 2.0 support (Rodrigo)
- Add a GuC doorbells selftest (Michel)
- Add might_sleep() check to our wait_for() (Chris)
Many GVT changes for 4.16:
- CSB HWSP update support (Weinan)
- GVT debug helpers, dyndbg and debugfs (Chuanxiao, Shuo)
- full virtualized opregion (Xiaolin)
- VM health check for sane fallback (Fred)
- workload submission code refactor for future enabling (Zhi)
- Updated repo URL in MAINTAINERS (Zhenyu)
- other many misc fixes
* tag 'drm-intel-next-2017-11-17-1' of git://anongit.freedesktop.org/drm/drm-intel: (260 commits)
drm/i915: Update DRIVER_DATE to 20171117
drm/i915: Add a policy note for removing workarounds
drm/i915/selftests: Report ENOMEM clearly for an allocation failure
Revert "drm/i915: Display WA #1133 WaFbcSkipSegments:cnl, glk"
drm/i915: Calculate g4x intermediate watermarks correctly
drm/i915: Calculate vlv/chv intermediate watermarks correctly, v3.
drm/i915: Pass crtc_state to ips toggle functions, v2
drm/i915: Pass idle crtc_state to intel_dp_sink_crc
drm/i915: Enable FIFO underrun reporting after initial fastset, v4.
drm/i915: Mark the userptr invalidate workqueue as WQ_MEM_RECLAIM
drm/i915: Add might_sleep() check to wait_for()
drm/i915/selftests: Add a GuC doorbells selftest
drm/i915/cnl: Extend HDMI 2.0 support to CNL.
drm/i915/cnl: Simplify dco_fraction calculation.
drm/i915/cnl: Don't blindly replace qdiv.
drm/i915/cnl: Fix wrpll math for higher freqs.
drm/i915/cnl: Fix, simplify and unify wrpll variable sizes.
drm/i915/cnl: Remove useless conversion.
drm/i915/cnl: Remove spurious central_freq.
drm/i915/selftests: exercise_ggtt may have nothing to do
...
Cross-subsystem Changes:
- device tree doc for the Mitsubishi AA070MC01 and Tianma TM070RVHG71
panels (Lukasz Majewski) and for a 2nd endpoint on stm32 (Philippe Cornu)
Core Changes:
The most important changes are:
- Add drm_driver .last_close and .output_poll_changed helpers to reduce
fbdev emulation footprint in drivers (Noralf)
- Fix plane clipping in core and for vmwgfx (Ville)
Then we have a bunch of of improvement for print and debug such as the
addition of a framebuffer debugfs file. ELD connector, HDMI and
improvements. And a bunch of misc improvements, clean ups and style
changes and doc updates
[airlied: drop eld bits from amdgpu_dm]
Driver Changes:
- sii8620: filter unsupported modes and add DVI mode support (Maciej Purski)
- rockchip: analogix_dp: Remove unnecessary init code (Jeffy Chen)
- virtio, cirrus: add fb create_handle support to enable screenshots(Lepton Wu)
- virtio: replace reference/unreference with get/put (Aastha Gupta)
- vc4, gma500: Convert timers to use timer_setup() (Kees Cook)
- vc4: Reject HDMI modes with too high of clocks (Eric)
- vc4: Add support for more pixel formats (Dave Stevenson)
- stm: dsi: Rename driver name to "stm32-display-dsi" (Philippe Cornu)
- stm: ltdc: add a 2nd endpoint (Philippe Cornu)
- via: use monotonic time for VIA_WAIT_IRQ (Arnd Bergmann)
* tag 'drm-misc-next-2017-11-30' of git://anongit.freedesktop.org/drm/drm-misc: (96 commits)
drm/bridge: tc358767: add copyright lines
MAINTAINERS: change maintainer for Rockchip drm drivers
drm/vblank: Fix vblank timestamp debugs
drm/via: use monotonic time for VIA_WAIT_IRQ
dma-buf: Fix ifnullfree.cocci warnings
drm/printer: Add drm_vprintf()
drm/edid: Allow HDMI infoframe without VIC or S3D
video/hdmi: Allow "empty" HDMI infoframes
dma-buf/fence: Fix lock inversion within dma-fence-array
drm/sti: Handle return value of platform_get_irq_byname
drm/vc4: Add support for NV21 and NV61.
drm/vc4: Use .pixel_order instead of custom .flip_cbcr
drm/vc4: Add support for DRM_FORMAT_RGB888 and DRM_FORMAT_BGR888
drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c
drm: Check crtc_state->enable rather than crtc->enabled in drm_plane_helper_check_state()
drm/vmwgfx: Try to fix plane clipping
drm/vmwgfx: Use drm_plane_helper_check_state()
drm/vmwgfx: Remove bogus crtc coords vs fb size check
gpu: gma500: remove unneeded DRIVER_LICENSE #define
drm: don't link DP aux i2c adapter to the hardware device node
...
Fixes for 4.15. Highlights:
- DC fixes for S3, gamma, audio, pageflipping, etc.
- fix a regression in radeon from kfd removal
- fix a ttm regression with swiotlb disabled
- misc other fixes
* 'drm-fixes-4.15' of git://people.freedesktop.org/~agd5f/linux: (36 commits)
drm/radeon: remove init of CIK VMIDs 8-16 for amdkfd
drm/ttm: fix populate_and_map() functions once more
drm/amd/display: USB-C / thunderbolt dock specific workaround
drm/amd/display: Switch to drm_atomic_helper_wait_for_flip_done
drm/amd/display: fix gamma setting
drm/amd/display: Do not put drm_atomic_state on resume
drm/amd/display: Fix couple more inconsistent NULL checks in dc_resource
drm/amd/display: Fix potential NULL and mem leak in create_links
drm/amd/display: Fix hubp check in set_cursor_position
drm/amd/display: Fix use before NULL check in validate_timing
drm/amd/display: Bunch of smatch error and warning fixes in DC
drm/amd/display: Fix amdgpu_dm bugs found by smatch
drm/amd/display: try to find matching audio inst for enc inst first
drm/amd/display: fix seq issue: turn on clock before programming afmt.
drm/amd/display: fix memory leaks on error exit return
drm/amd/display: check plane state before validating fbc
drm/amd/display: Do DC mode-change check when adding CRTCs
drm/amd/display: Revert noisy assert messages
drm/amd/display: fix split viewport rounding error
drm/amd/display: Check aux channel before MST resume
...
mali-dp interface cleanups.
* 'for-upstream/mali-dp' of git://linux-arm.org/linux-ld:
drm: mali-dp: Disable planes when their CRTC gets disabled.
drm: mali-dp: Separate static internal data into a read-only structure.
drm/arm: Replace instances of drm_dev_unref with drm_dev_put.
drm: mali-dp: switch to drm_*_get(), drm_*_put() helpers
This is amdkfd pull request for -rc2. It contains three small fixes to the
CIK SDMA code, compilation error fix in kfd_ioctl.h and fix to accessing
a pointer after it was released.
* tag 'drm-amdkfd-fixes-2017-11-26' of git://people.freedesktop.org/~gabbayo/linux:
uapi: fix linux/kfd_ioctl.h userspace compilation errors
drm/amdkfd: fix amdkfd use-after-free GP fault
drm/amdkfd: Fix SDMA oversubsription handling
drm/amdkfd: Fix SDMA ring buffer size calculation
drm/amdgpu: Fix SDMA load/unload sequence on HWS disabled mode
3 hdlcd fixes/cleanups
* 'for-upstream/hdlcd' of git://linux-arm.org/linux-ld:
drm/arm: Replace instances of drm_dev_unref with drm_dev_put.
drm: Fix checkpatch issue: "WARNING: braces {} are not necessary for single statement blocks."
drm: hdlcd: Update PM code to save/restore console.
Since commit 080de2e5be ("drm/atomic: Check for busy planes/connectors before
setting the commit"), drm_atomic_helper_setup_commit expects that blocking
commits have completed flipping before the commit_tail returns. Add the missing
wait_for_flip_done to commit_tail to ensure this.
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Merge tag 'imx-drm-fixes-2017-11-30' of git://git.pengutronix.de/git/pza/linux into drm-fixes
drm/imx: fix commit_tail for new drm_atomic_helper_setup_commit
Since commit 080de2e5be ("drm/atomic: Check for busy planes/connectors before
setting the commit"), drm_atomic_helper_setup_commit expects that blocking
commits have completed flipping before the commit_tail returns. Add the missing
wait_for_flip_done to commit_tail to ensure this.
* tag 'imx-drm-fixes-2017-11-30' of git://git.pengutronix.de/git/pza/linux:
drm/imx: always call wait_for_flip_done in commit_tail
- Disable transparent huge pages for now until we have a W/A
- Building fix when CONFIG_BACKLIGHT_CLASS_DEVICE is not selected
- GMBUS communication robustness
- Fbdev hotplug handling fix
gvt-fixes-2017-11-28
- regression fix for sane request alloc (Fred)
- locking fix (Changbin)
- fix invalid addr mask (Xiong)
- compression regression fix (Weinan)
- fix default pipe enable for virtual display (Xiaolin)
* tag 'drm-intel-fixes-2017-11-30' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915: Disable THP until we have a GPU read BW W/A
drm/i915/gvt: Correct ADDR_4K/2M/1G_MASK definition
drm/i915/gvt: enabled pipe A default on creating vgpu
drm/i915/gvt: Move request alloc to dispatch_workload path only
drm/i915/gvt: remove skl_misc_ctl_write handler
drm/i915/gvt: Fix unsafe locking caused by spin_unlock_bh
drm/i915: fix intel_backlight_device_register declaration
drm/i915/fbdev: Serialise early hotplug events with async fbdev config
drm/i915: Prevent zero length "index" write
drm/i915: Don't try indexed reads to alternate slave addresses
drm_atomic_helper_wait_for_vblanks will go away in the future.
The new drm_atomic_helper_setup_commit in 4.15 expects that blocking commits
have completed flipping before the commit_tail returns. This must be ensured
by calling wait_for_vblanks or wait_for_flip_done, where flip_done might do
a less agressive wait, which is fine for imx-drm.
Fixes: 080de2e5be (drm/atomic: Check for busy planes/connectors before
setting the commit)
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
"ret" needs to be signed for the error handling to work.
Fixes: 8d7f934df8 ("omapdrm: hdmi4_cec: add OMAP4 HDMI CEC support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Commit d178e034d5 ("drm: omapdrm: Move FEAT_DPI_USES_VDDS_DSI feature
to dpi code") replaced usage of platform data version with SoC matching
to configure DPI VDDS. The SoC match entries were incorrect, they should
have matched on the machine name instead of the SoC family. Fix it.
The result was observed on OpenPandora with OMAP3530 where the panel only
had the Blue channel and Red&Green were missing. It was not observed on
GTA04 with DM3730.
Fixes: d178e034d5 ("drm: omapdrm: Move FEAT_DPI_USES_VDDS_DSI feature to dpi code")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Cc: stable@vger.kernel.org # 4.14
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
I believe the intention of the commit 2c9fc9bf45
("drm: omapdrm: Move FEAT_HDMI_* features to hdmi4 driver")
was to identify omap4430 ES1.x, omap4430 ES2.x and other OMAP4 revisions,
like omap4460.
By using family=OMAP4 in the match the code will treat omap4460 ES1.x in a
same way as it would treat omap4430 ES1.x
This breaks HDMI audio on OMAP4460 devices (PandaES for example).
Correct the match rule so we are not going to get false positive match.
Fixes: 2c9fc9bf45 ("drm: omapdrm: Move FEAT_HDMI_* features to hdmi4 driver")
Cc: stable@vger.kernel.org # 4.14
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The new backlight code causes a link failure when backlight
support itself is disabled:
drivers/gpu/drm/omapdrm/displays/panel-dpi.o: In function `panel_dpi_probe_of':
panel-dpi.c:(.text+0x35c): undefined reference to `of_find_backlight_by_node'
This adds a Kconfig dependency like we have for the other OMAP
display targets.
Fixes: 39135a305a ("drm/omap: displays: panel-dpi: Support for handling backlight devices")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
If we don't find a matching device node, we must free the memory allocated
in 'omap_dmm' a few lines above.
Fixes: 7cb0d6c17b ("drm/omap: fix TILER on OMAP5")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We seem to be missing some W/A for 2M pages and are getting
a hit on raw GPU read bandwidths (even 30%) even though the
GPU write bandwidths improve (even 10%).
For now, disable THP, which is our only practical source of
2M pages until we have a W/A for the issue.
v2:
- Be explicit that we talk about GPU bandwidths (Eero)
- s/deny/never/ because that's why (Chris)
Reported-by: Valtteri Rantala <valtteri.rantala@intel.com>
Fixes: b901bb8932 ("drm/i915/gemfs: enable THP")
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Valtteri Rantala <valtteri.rantala@intel.com>
Cc: Eero Tamminen <eero.t.tamminen@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Tested-by: Valtteri Rantala <valtteri.rantala@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171127091233.7001-1-joonas.lahtinen@linux.intel.com
(cherry picked from commit 9987da4b5d)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Fields in HTIM01 and HTIM02 regs should be even.
Recomended thresh_dly value is max_tu_symbol.
Remove set of VPCTRL0.VSDELAY as it is related to DSI input
interface. Currently driver supports only DPI.
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-5-git-send-email-andrey.gusakov@cogentembedded.com
The panel_bridge bridge attaches to the panel's OF node, not the
lvds-encoder's node. Put in a little no-op bridge of our own so that
our consumers can still find a bridge where they expect.
This also fixes an unintended unregistration and leak of the
panel-bridge on module remove.
Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 13dfc0540a ("drm/bridge: Refactor out the panel wrapper from the lvds-encoder bri
dge.")
Tested-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171114191647.22207-1-eric@anholt.net
Support the "cec" optional clock. The documentation already mentions "cec"
optional clock and it is used by several boards, but currently the driver
doesn't enable it, thus preventing cec from working on those boards.
And even worse: a /dev/cecX device will appear for those boards, but it
won't be functioning without configuring this clock.
Changes:
v4:
- Change commit message to stress the importance of this patch
v3:
- Drop useless braces
v2:
- Separate ENOENT errors from others
- Propagate other errors (especially -EPROBE_DEFER)
Signed-off-by: Pierre-Hugues Husson <phh@phh.me>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171125201844.11353-1-phh@phh.me
If the device tree for a board did not specify a cec clock, then
adv7511_cec_init would return an error, which would cause adv7511_probe()
to fail and thus there is no HDMI output.
There is no need to have adv7511_probe() fail if the CEC initialization
fails, so just change adv7511_cec_init() to a void function. In addition,
adv7511_cec_init() should just return silently if the cec clock isn't
found and show a message for any other errors.
An otherwise correct cleanup patch from Dan Carpenter turned this broken
failure handling into a kernel Oops, so bisection points to commit
7af35b0add ("drm/kirin: Checking for IS_ERR() instead of NULL") rather
than 3b1b975003 ("drm: adv7511/33: add HDMI CEC support").
Based on earlier patches from Arnd and John.
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Xinliang Liu <xinliang.liu@linaro.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: https://bugs.linaro.org/show_bug.cgi?id=3345
Link: https://lkft.validation.linaro.org/scheduler/job/48017#L3551
Fixes: 7af35b0add ("drm/kirin: Checking for IS_ERR() instead of NULL")
Fixes: 3b1b975003 ("drm: adv7511/33: add HDMI CEC support")
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/msgid/9097b2a4-b6b9-5fca-e039-0a17694b1143@xs4all.nl
VMIDs 8-16 in Kaveri were reserved for use by the amdkfd driver.
Because we removed amdkfd support from radeon, those VMIDs are now
used by radeon and are initialized by radeon.
This patch removes the function that initialized those VMIDs for amdkfd
use.
This initialization overridden the radeon initialization and caused GPU
faults and GUI crashed.
Fixes: f4fa88ab28 ("drm/radeon: deprecate and remove KFD interface")
Rported-by: Michel Dänzer <michel.daenzer@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This reverts "drm/ttm: Fix configuration error around populate_and_map()
functions".
This fix has gone into the wrong direction. Those helpers should be
available even when neither CONFIG_INTEL_IOMMU nor CONFIG_SWIOTLB are
set.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Some drivers like i915 start with crtc's enabled, but with deferred
fbcon setup they were no longer disabled as part of fbdev setup.
Headless units could no longer enter pc3 state because the crtc was
still enabled.
Fix this by calling restore_fbdev_mode when we would have called
it otherwise once during initial fbdev setup.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: ca91a2758f ("drm/fb-helper: Support deferred setup")
Cc: <stable@vger.kernel.org> # v4.14+
Reported-by: Thomas Voegtle <tv@lio96.de>
Tested-by: Thomas Voegtle <tv@lio96.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171128111603.62757-1-maarten.lankhorst@linux.intel.com
drm_atomic_helper_setup_commit expects that flipping of previous commits
has happened when it is called to set up a new commit. This can be violated
by commits where userspace doesn't get a flip completion event to
synchronize against i.e. legacy modesets and property changes.
The expectation is that those are done by blocking commits, which wait for
completion. Most drivers call drm_atomic_helper_wait_for_vblanks in the
commit_tail to ensure completion, but the wait for next vblank might not
actually happen if the commit didn't change any planes.
Make the wait more agressive by also waiting if no planes changed. This
is the minimal regression fix for the 4.15 kernel series. Long term
drivers should switch away from drm_atomic_helper_wait_for_vblanks and
use drm_atomic_helper_wait_for_flip_done instead.
Fixes: de39bec1a0 ("drm/atomic: Remove waits in drm_atomic_helper_commit_cleanup_done, v2.")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171129110431.6300-1-l.stach@pengutronix.de
We're currently calling ktime_to_timespec64() on stack garbage
hence the debug output for vblank timestamps also contains garbage.
Let's assing something to the ktime_t first before we go converting
it to a timespec.
While at it micro-optimize the ktime_to_timespec64() calls away
when vblank debugging isn't enabled.
Fixes: 67680d3c04 ("drm: vblank: use ktime_t instead of timeval")
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Keith Packard <keithp@keithp.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171113150210.11311-1-ville.syrjala@linux.intel.com
Acked-by: Arnd Bergmann <arnd@arndb.de>
reading dpcd 0x600 cause link loss for a particular USB-C dock with
thurderbolt. workaround by avoiding dcpd 0x600 read unless it's
necessary.
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This new helper function is advised to be used for drviers that
use the nonblocking commit tracking support instead of
drm_atomic_helper_wait_for_vblanks.
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Adding gamma changed check as condition for affected plane.
We ignored adding plane as affected if modeset was not required.
But for color management change we still need it.
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm_atomic_helper_resume now puts it for us. See relevant patch here:
https://lists.freedesktop.org/archives/dri-devel/2017-October/154268.html
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Found by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1001
acquire_free_pipe_for_stream() error: we previously assumed 'head_pipe'
could be null (see line 998)
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1808
dc_validate_global_state() error: we previously assumed 'new_ctx' could
be null (see line 1778)
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Found by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:148 create_links()
error: potential null dereference 'link->link_enc'. (kzalloc returns
null)
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Monk Liu