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6da463b... by Swati Sharma <email address hidden> on 2021-08-12

drm/i915/dp: Drop redundant debug print

drm_dp_dpcd_read/write already has debug error message.
Drop redundant error messages which gives false
status even if correct value is read in drm_dp_dpcd_read().

v2: -Added fixes tag (Ankit)
v3: -Fixed build error (CI)

Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery")
Cc: Ankit Nautiyal <email address hidden>
Cc: Imre Deak <email address hidden>
Cc: Jani Nikula <email address hidden>
Cc: José Roberto de Souza <email address hidden>
Cc: Manasi Navare <email address hidden>
Cc: Sean Paul <email address hidden>
Cc: Uma Shankar <email address hidden>
Cc: Ville Syrjälä <email address hidden>
Cc: <email address hidden> # v5.12+
Reviewed-by: Jani Nikula <email address hidden>
Signed-off-by: Swati Sharma <email address hidden>
Signed-off-by: Jani Nikula <email address hidden>
Link: https://patchwork<email address hidden>
(cherry picked from commit b6dfa416172939edaa46a5a647457b94c6d94119)
Signed-off-by: Rodrigo Vivi <email address hidden>

b5f90a8... by Kai-Heng Feng on 2021-08-20

drm/i915/dp: Use max params for panels < eDP 1.4

Users reported that after commit 2bbd6dba84d4 ("drm/i915: Try to use
fast+narrow link on eDP again and fall back to the old max strategy on
failure"), the screen starts to have wobbly effect.

Commit a5c936add6a2 ("drm/i915/dp: Use slow and wide link training for
everything") doesn't help either, that means the affected eDP 1.2 panels
only work with max params.

So use max params for panels < eDP 1.4 as Windows does to solve the
issue.

v3:
 - Do the eDP rev check in intel_edp_init_dpcd()

v2:
 - Check eDP 1.4 instead of DPCD 1.1 to apply max params

Cc: <email address hidden>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/3714
Fixes: 2bbd6dba84d4 ("drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure")
Fixes: a5c936add6a2 ("drm/i915/dp: Use slow and wide link training for everything")
Suggested-by: Ville Syrjälä <email address hidden>
Signed-off-by: Kai-Heng Feng <email address hidden>
Signed-off-by: Ville Syrjälä <email address hidden>
Link: https://patchwork.freedesktop<email address hidden>
(cherry picked from commit d7f213c131adf0bec8b731553eb82990cdac265d)
Signed-off-by: Rodrigo Vivi <email address hidden>

6c55f3d... by Matthew Brost <email address hidden> on 2021-07-30

drm/i915: Fix syncmap memory leak

A small race exists between intel_gt_retire_requests_timeout and
intel_timeline_exit which could result in the syncmap not getting
free'd. Rather than work to hard to seal this race, simply cleanup the
syncmap on fini.

unreferenced object 0xffff88813bc53b18 (size 96):
  comm "gem_close_race", pid 5410, jiffies 4294917818 (age 1105.600s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 0a 00 00 00 ................
    00 00 00 00 00 00 00 00 6b 6b 6b 6b 06 00 00 00 ........kkkk....
  backtrace:
    [<00000000120b863a>] __sync_alloc_leaf+0x1e/0x40 [i915]
    [<00000000042f6959>] __sync_set+0x1bb/0x240 [i915]
    [<0000000090f0e90f>] i915_request_await_dma_fence+0x1c7/0x400 [i915]
    [<0000000056a48219>] i915_request_await_object+0x222/0x360 [i915]
    [<00000000aaac4ee3>] i915_gem_do_execbuffer+0x1bd0/0x2250 [i915]
    [<000000003c9d830f>] i915_gem_execbuffer2_ioctl+0x405/0xce0 [i915]
    [<00000000fd7a8e68>] drm_ioctl_kernel+0xb0/0xf0 [drm]
    [<00000000e721ee87>] drm_ioctl+0x305/0x3c0 [drm]
    [<000000008b0d8986>] __x64_sys_ioctl+0x71/0xb0
    [<0000000076c362a4>] do_syscall_64+0x33/0x80
    [<00000000eb7a4831>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

Signed-off-by: Matthew Brost <email address hidden>
Fixes: 531958f6f357 ("drm/i915/gt: Track timeline activeness in enter/exit")
Cc: <email address hidden>
Reviewed-by: John Harrison <email address hidden>
Signed-off-by: John Harrison <email address hidden>
Link: https://patchwork.freedesktop<email address hidden>
(cherry picked from commit faf890985e30d5e88cc3a7c50c1bcad32f89ab7c)
Signed-off-by: Rodrigo Vivi <email address hidden>

79ce3fe... by ShawnLee on 2021-07-06

drm/i915/dp: return proper DPRX link training result

After DPRX link training, intel_dp_link_train_phy() did not
return the training result properly. If link training failed,
i915 driver would not run into link train fallback function.
And no hotplug uevent would be received by user space application.

Fixes: b30edfd8d0b4 ("drm/i915: Switch to LTTPR non-transparent mode link training")
Cc: Ville Syrjala <email address hidden>
Cc: Imre Deak <email address hidden>
Cc: Jani Nikula <email address hidden>
Cc: Cooper Chiou <email address hidden>
Cc: William Tseng <email address hidden>
Signed-off-by: Lee Shawn C <email address hidden>
Reviewed-by: Imre Deak <email address hidden>
Signed-off-by: Imre Deak <email address hidden>
Link: https://patchwork<email address hidden>
(cherry picked from commit dab1b47e57e053b2a02c22ead8e7449f79961335)
Signed-off-by: Rodrigo Vivi <email address hidden>

e22ce8e... by Linus Torvalds <email address hidden> on 2021-08-22

Linux 5.14-rc7

1bdc3d5... by Linus Torvalds <email address hidden> on 2021-08-22

Merge tag 'powerpc-5.14-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Fix random crashes on some 32-bit CPUs by adding isync() after
   locking/unlocking KUEP

 - Fix intermittent crashes when loading modules with strict module RWX

 - Fix a section mismatch introduce by a previous fix.

Thanks to Christophe Leroy, Fabiano Rosas, Laurent Vivier, Murilo
Opsfelder Araújo, Nathan Chancellor, and Stan Johnson.

h# -----BEGIN PGP SIGNATURE-----

* tag 'powerpc-5.14-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/mm: Fix set_memory_*() against concurrent accesses
  powerpc/32s: Fix random crashes by adding isync() after locking/unlocking KUEP
  powerpc/xive: Do not mark xive_request_ipi() as __init

9ff50bf... by Linus Torvalds <email address hidden> on 2021-08-21

Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk driver fixes from Stephen Boyd:

 - Make the regulator state match the GDSC power domain state at boot on
   Qualcomm SoCs so that the regulator isn't turned off inadvertently.

 - Fix earlycon on i.MX6Q SoCs

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: qcom: gdsc: Ensure regulator init state matches GDSC state
  clk: imx6q: fix uart earlycon unwork

9085423... by Linus Torvalds <email address hidden> on 2021-08-21

Merge tag 'char-misc-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are some small driver fixes for 5.14-rc7.

  They consist of:

   - revert for an interconnect patch that was found to have problems

   - ipack tpci200 driver fixes for reported problems

   - slimbus messaging and ngd fixes for reported problems

  All are small and have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  ipack: tpci200: fix memory leak in the tpci200_register
  ipack: tpci200: fix many double free issues in tpci200_pci_probe
  slimbus: ngd: reset dma setup during runtime pm
  slimbus: ngd: set correct device for pm
  slimbus: messaging: check for valid transaction id
  slimbus: messaging: start transaction ids from 1 instead of zero
  Revert "interconnect: qcom: icc-rpmh: Add BCMs to commit list in pre_aggregate"

f4ff9e6... by Linus Torvalds <email address hidden> on 2021-08-21

Merge tag 'usb-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fix from Greg KH:
 "Here is a single USB typec tcpm fix for a reported problem for
  5.14-rc7. It showed up in 5.13 and resolves an issue that Hans found.
  It has been in linux-next this week with no reported problems"

* tag 'usb-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: typec: tcpm: Fix VDMs sometimes not being forwarded to alt-mode drivers

a09434f... by Linus Torvalds <email address hidden> on 2021-08-21

Merge tag 'riscv-for-linus-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - fix the sifive-l2-cache device tree bindings for json-schema
   compatibility. This does not change the intended behavior of the
   binding.

 - avoid improperly freeing necessary resources during early boot.

* tag 'riscv-for-linus-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Fix a number of free'd resources in init_resources()
  dt-bindings: sifive-l2-cache: Fix 'select' matching