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  1. May 15, 2021
  2. May 14, 2021
    • Dave Airlie's avatar
      Merge tag 'amd-drm-fixes-5.13-2021-05-13' of... · 08f0cfbf
      Dave Airlie authored
      Merge tag 'amd-drm-fixes-5.13-2021-05-13' of https://gitlab.freedesktop.org/agd5f/linux
      
       into drm-fixes
      
      amd-drm-fixes-5.13-2021-05-13:
      
      amdgpu:
      - Fixes for flexible array conversions
      - Fix sysfs attribute init
      - Harvesting fixes
      - VCN CG/PG fixes for Picasso
      
      radeon:
      - Fixes for flexible array conversions
      - Fix for flickering on Oland with multiple 4K displays
      
      Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
      From: Alex Deucher <alexander.deucher@amd.com>
      Link: https://patchwork.freedesktop.org/patch/msgid/20210513163228.3963-1-alexander.deucher@amd.com
      08f0cfbf
    • Dave Airlie's avatar
      Merge tag 'drm-misc-fixes-2021-05-13' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes · 1db7aa26
      Dave Airlie authored
      
      
      Remove an unused function and a MAINTAINERS update.
      
      Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
      
      From: Maxime Ripard <maxime@cerno.tech>
      Link: https://patchwork.freedesktop.org/patch/msgid/20210513133617.xq77wwrehpuh7yn2@hendrix
      1db7aa26
    • Linus Torvalds's avatar
      Merge tag 'pm-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm · 315d9931
      Linus Torvalds authored
      Pull power management fixes from Rafael Wysocki:
       "These close a coverage gap in the intel_pstate driver and fix runtime
        PM child count imbalance related to interactions with system-wide
        suspend.
      
        Specifics:
      
         - Make intel_pstate work as expected on systems where the platform
           firmware enables HWP even though the HWP EPP support is not
           advertised (Rafael Wysocki).
      
         - Fix possible runtime PM child count imbalance that may occur if
           other runtime PM functions are called after invoking
           pm_runtime_force_suspend() and before pm_runtime_force_resume()
           is called (Tony Lindgren)"
      
      * tag 'pm-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
        PM: runtime: Fix unpaired parent child_count for force_resume
        cpufreq: intel_pstate: Use HWP if enabled by platform firmware
      315d9931
    • Linus Torvalds's avatar
      Merge tag 'acpi-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm · 2df38a8e
      Linus Torvalds authored
      Pull ACPI fixes from Rafael Wysocki:
       "These revert an unnecessary revert of an ACPI power management commit,
        add a missing device ID to one of the lists and fix a possible memory
        leak in an error path.
      
        Specifics:
      
         - Revert a revert of a recent ACPI power management change that does
           not need to be reverted after all (Rafael Wysocki).
      
         - Add missing fan device ID to the list of device IDs for which the
           devices should not be put into the ACPI PM domain (Sumeet
           Pawnikar).
      
         - Fix possible memory leak in an error path in the ACPI device
           enumeration code (Christophe JAILLET)"
      
      * tag 'acpi-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
        ACPI: PM: Add ACPI ID of Alder Lake Fan
        ACPI: scan: Fix a memory leak in an error handling path
        Revert "Revert "ACPI: scan: Turn off unused power resources during initialization""
      2df38a8e
    • Rafael J. Wysocki's avatar
      Merge branch 'acpi-pm' · fd386517
      Rafael J. Wysocki authored
      * acpi-pm:
        ACPI: PM: Add ACPI ID of Alder Lake Fan
        Revert "Revert "ACPI: scan: Turn off unused power resources during initialization""
      fd386517
    • Rafael J. Wysocki's avatar
      Merge branch 'pm-core' · 78a6948b
      Rafael J. Wysocki authored
      * pm-core:
        PM: runtime: Fix unpaired parent child_count for force_resume
      78a6948b
    • Steven Rostedt (VMware)'s avatar
      tracing: Handle %.*s in trace_check_vprintf() · eb01f535
      Steven Rostedt (VMware) authored
      If a trace event uses the %*.s notation, the trace_check_vprintf() will
      fail and will warn about a bad processing of strings, because it does not
      take into account the length field when processing the star (*) part.
      Have it handle this case as well.
      
      Link: https://lore.kernel.org/linux-nfs/238C0E2D-C2A4-4578-ADD2-C565B3B99842@oracle.com/
      
      
      
      Reported-by: default avatarChuck Lever III <chuck.lever@oracle.com>
      Fixes: 9a6944fe
      
       ("tracing: Add a verifier to check string pointers for trace events")
      Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
      eb01f535
    • Linus Torvalds's avatar
      Merge branch 'resizex' (patches from Maciej) · adc12a74
      Linus Torvalds authored
      Merge VT_RESIZEX fixes from Maciej Rozycki:
       "I got to the bottom of the issue with VT_RESIZEX recently discussed
        and came up with this small patch series, fixing an additional issue
        that I originally thought might be broken VGA hardware emulation with
        my laptop, which however turned out to be intertwined with the
        original problem and also a regression introduced somewhat later.
      
        The fix for that because the first patch, and then to make backporting
        feasible I had to put a revert of the offending change from last
        September next, followed by a proper fix for the framebuffer issue
        that change had tried to address.
      
        See individual change descriptions for details.
      
        These have been verified with true VGA hardware (a Trident TVGA8900
        ISA video adapter) using various combinations of `svgatextmode' and
        `setfont' command invocations to change both the VT size and the font
        size, and also switching between the text console and X11, both by
        starting/stopping the X server and by switching between VTs.
      
        All this to ensure bringing the behaviour of VGA text console back to
        correct operation as it used to be with Linux 2.6.18"
      
      * emailed patches from Maciej W. Rozycki <macro@orcam.me.uk>:
        vt: Fix character height handling with VT_RESIZEX
        vt_ioctl: Revert VT_RESIZEX parameter handling removal
        vgacon: Record video mode changes with VT_RESIZEX
      adc12a74
    • Maciej W. Rozycki's avatar
      vt: Fix character height handling with VT_RESIZEX · 860dafa9
      Maciej W. Rozycki authored
      Restore the original intent of the VT_RESIZEX ioctl's `v_clin' parameter
      which is the number of pixel rows per character (cell) rather than the
      height of the font used.
      
      For framebuffer devices the two values are always the same, because the
      former is inferred from the latter one.  For VGA used as a true text
      mode device these two parameters are independent from each other: the
      number of pixel rows per character is set in the CRT controller, while
      font height is in fact hardwired to 32 pixel rows and fonts of heights
      below that value are handled by padding their data with blanks when
      loaded to hardware for use by the character generator.  One can change
      the setting in the CRT controller and it will update the screen contents
      accordingly regardless of the font loaded.
      
      The `v_clin' parameter is used by the `vgacon' driver to set the height
      of the character cell and then the cursor position within.  Make the
      parameter explicit then, by defining a new `vc_cell_height' struct
      member of `vc_data', set it instead of `vc_font.height' from `v_clin' in
      the VT_RESIZEX ioctl, and then use it throughout the `vgacon' driver
      except where actual font data is accessed which as noted above is
      independent from the CRTC setting.
      
      This way the framebuffer console driver is free to ignore the `v_clin'
      parameter as irrelevant, as it always should have, avoiding any issues
      attempts to give the parameter a meaning there could have caused, such
      as one that has led to commit 988d0763 ("vt_ioctl: make VT_RESIZEX
      behave like VT_RESIZE"):
      
       "syzbot is reporting UAF/OOB read at bit_putcs()/soft_cursor() [1][2],
        for vt_resizex() from ioctl(VT_RESIZEX) allows setting font height
        larger than actual font height calculated by con_font_set() from
        ioctl(PIO_FONT). Since fbcon_set_font() from con_font_set() allocates
        minimal amount of memory based on actual font height calculated by
        con_font_set(), use of vt_resizex() can cause UAF/OOB read for font
        data."
      
      The problem first appeared around Linux 2.5.66 which predates our repo
      history, but the origin could be identified with the old MIPS/Linux repo
      also at: <git://git.kernel.org/pub/scm/linux/kernel/git/ralf/linux.git>
      as commit 9736a3546de7 ("Merge with Linux 2.5.66."), where VT_RESIZEX
      code in `vt_ioctl' was updated as follows:
      
       		if (clin)
      -			video_font_height = clin;
      +			vc->vc_font.height = clin;
      
      making the parameter apply to framebuffer devices as well, perhaps due
      to the use of "font" in the name of the original `video_font_height'
      variable.  Use "cell" in the new struct member then to avoid ambiguity.
      
      References:
      
      [1] https://syzkaller.appspot.com/bug?id=32577e96d88447ded2d3b76d71254fb855245837
      [2] https://syzkaller.appspot.com/bug?id=6b8355d27b2b94fb5cedf4655e3a59162d9e48e3
      
      
      
      Signed-off-by: default avatarMaciej W. Rozycki <macro@orcam.me.uk>
      Fixes: 1da177e4
      
       ("Linux-2.6.12-rc2")
      Cc: stable@vger.kernel.org # v2.6.12+
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      860dafa9
    • Maciej W. Rozycki's avatar
      vt_ioctl: Revert VT_RESIZEX parameter handling removal · a90c275e
      Maciej W. Rozycki authored
      
      
      Revert the removal of code handling extra VT_RESIZEX ioctl's parameters
      beyond those that VT_RESIZE supports, fixing a functional regression
      causing `svgatextmode' not to resize the VT anymore.
      
      As a consequence of the reverted change when the video adapter is
      reprogrammed from the original say 80x25 text mode using a 9x16
      character cell (720x400 pixel resolution) to say 80x37 text mode and the
      same character cell (720x592 pixel resolution), the VT geometry does not
      get updated and only upper two thirds of the screen are used for the VT,
      and the lower part remains blank.  The proportions change according to
      text mode geometries chosen.
      
      Revert the change verbatim then, bringing back previous VT resizing.
      
      Signed-off-by: default avatarMaciej W. Rozycki <macro@orcam.me.uk>
      Fixes: 988d0763
      
       ("vt_ioctl: make VT_RESIZEX behave like VT_RESIZE")
      Cc: stable@vger.kernel.org # v5.10+
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      a90c275e
    • Maciej W. Rozycki's avatar
      vgacon: Record video mode changes with VT_RESIZEX · d4d0ad57
      Maciej W. Rozycki authored
      
      
      Fix an issue with VGA console font size changes made after the initial
      video text mode has been changed with a user tool like `svgatextmode'
      calling the VT_RESIZEX ioctl.  As it stands in that case the original
      screen geometry continues being used to validate further VT resizing.
      
      Consequently when the video adapter is firstly reprogrammed from the
      original say 80x25 text mode using a 9x16 character cell (720x400 pixel
      resolution) to say 80x37 text mode and the same character cell (720x592
      pixel resolution), and secondly the CRTC character cell updated to 9x8
      (by loading a suitable font with the KD_FONT_OP_SET request of the
      KDFONTOP ioctl), the VT geometry does not get further updated from 80x37
      and only upper half of the screen is used for the VT, with the lower
      half showing rubbish corresponding to whatever happens to be there in
      the video memory that maps to that part of the screen.  Of course the
      proportions change according to text mode geometries and font sizes
      chosen.
      
      Address the problem then, by updating the text mode geometry defaults
      rather than checking against them whenever the VT is resized via a user
      ioctl.
      
      Signed-off-by: default avatarMaciej W. Rozycki <macro@orcam.me.uk>
      Fixes: e400b6ec
      
       ("vt/vgacon: Check if screen resize request comes from userspace")
      Cc: stable@vger.kernel.org # v2.6.24+
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      d4d0ad57
    • Linus Torvalds's avatar
      Merge tag 'hwmon-for-v5.13-rc2' of... · d1e7c13a
      Linus Torvalds authored
      Merge tag 'hwmon-for-v5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
      
      Pull hwmon fixes from Guenter Roeck:
       "Fix bugs/regressions in adm9240, ltc2992, pmbus/fsp-3y, and occ
        drivers, plus a minor cleanup in the corsair-psu driver"
      
      * tag 'hwmon-for-v5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
        hwmon: (adm9240) Fix writes into inX_max attributes
        hwmon: (ltc2992) Put fwnode in error case during ->probe()
        hwmon: (pmbus/fsp-3y) Fix FSP-3Y YH-5151E non-compliant vout encoding
        hwmon: (occ) Fix poll rate limiting
        hwmon: (corsair-psu) Remove unneeded semicolons
      d1e7c13a
    • Mark Brown's avatar
  3. May 13, 2021