Commit Graph

966958 Commits

Author SHA1 Message Date
José Roberto de Souza
2c5688057f drm/i915/display: Do not reset display when there is none
Display is always disabled and enabled when resetting any engine, but if
there is no display it should not do anything with display and only
reset the needed engines.

Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201106225531.920641-3-lucas.demarchi@intel.com
2020-11-11 11:50:45 -08:00
Lucas De Marchi
e669ad6f1c drm/i915/display: add namespace to intel_finish_reset
Rename intel_finish_reset to intel_display_finish_reset, so it's clear
from gt/ that we are calling out the display code.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201106225531.920641-2-lucas.demarchi@intel.com
2020-11-11 11:50:43 -08:00
Lucas De Marchi
87ebfaab7f drm/i915/display: add namespace to intel_prepare_reset
Rename intel_prepare_reset to intel_display_prepare_reset, so it's clear
from gt/ that we are calling out the display code.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201106225531.920641-1-lucas.demarchi@intel.com
2020-11-11 11:50:42 -08:00
Deepak R Varma
64e65f443a drm/i915/gvt: replace idr_init() by idr_init_base()
idr_init() uses base 0 which is an invalid identifier. The new function
idr_init_base allows IDR to set the ID lookup from base 1. This avoids
all lookups that otherwise starts from 0 since 0 is always unused.

References: commit 6ce711f275 ("idr: Make 1-based IDRs more efficient")

Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20201104121532.GA48202@localhost
2020-11-11 10:30:07 +08:00
Ville Syrjälä
230edf78ed drm/i915: Add plane .{min,max}_width() and .max_height() vfuncs
Reduce this maintenance nightmare a bit by converting the plane
min/max width/height stuff into vfuncs.

Now, if I could just think of a nice way to also use this for
intel_mode_valid_max_plane_size()...

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200924185113.30849-1-ville.syrjala@linux.intel.com
Reviewed-by: Aditya Swarup <aditya.swarup@intel.com>
2020-11-10 20:37:38 +02:00
Colin Xu
a5a8ef937c drm/i915/gvt: Fix virtual display setup for BXT/APL
Program display related vregs to proper value at initialization, setup
virtual monitor and hotplug.

vGPU virtual display vregs inherit the value from pregs. The virtual DP
monitor is always setup on PORT_B for BXT/APL. However the host may
connect monitor on other PORT or without any monitor connected. Without
properly setup PIPE/DDI/PLL related vregs, guest driver may not setup
the virutal display as expected, and the guest desktop may not be
created.
Since only one virtual display is supported, enable PIPE_A only. And
enable transcoder/DDI/PLL based on which port is setup for BXT/APL.

V2:
Revise commit message.

V3:
set_edid should on PORT_B for BXT.
Inject hpd event for BXT.

V4:
Temporarily disable vfio edid on BXT/APL until issue fixed.

V5:
Rebase to use new HPD define GEN8_DE_PORT_HOTPLUG for BXT.
Put vfio edid disabling on BXT/APL to a separate patch.

Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20201109073922.757759-1-colin.xu@intel.com
2020-11-10 14:46:00 +08:00
Colin Xu
385fc38c1f drm/i915: Add GVT resume routine to i915
This patch add gvt resume wrapper into i915_drm_resume().
GVT relies on i915 so resume gvt at last.

V2:
- Direct call into gvt suspend/resume wrapper in intel_gvt.h/intel_gvt.c.
The wrapper and implementation will check and call gvt routine. (zhenyu)

V3:
Refresh.

V4:
Rebase.

V5:
Fail intel_gvt_suspend() if fail to save GGTT.

V6:
Save host entry to per-vGPU gtt.ggtt_mm on each host_entry update so
only need the resume routine.

V7:
Refresh.

Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com>
Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20201027045406.159566-1-colin.xu@intel.com
2020-11-10 14:38:24 +08:00
Colin Xu
5f60b12edc drm/i915/gvt: Save/restore HW status to support GVT suspend/resume
This patch save/restore necessary GVT info during i915 suspend/resume so
that GVT enabled QEMU VM can continue running.

Only GGTT and fence regs are saved/restored now. GVT will save GGTT
entries on each host_entry update, restore the saved dirty entries
and re-init fence regs in resume routine.

V2:
- Change kzalloc/kfree to vzalloc/vfree since the space allocated
from kmalloc may not enough for all saved GGTT entries.
- Keep gvt suspend/resume wrapper in intel_gvt.h/intel_gvt.c and
move the actual implementation to gvt.h/gvt.c. (zhenyu)
- Check gvt config on and active with intel_gvt_active(). (zhenyu)

V3: (zhenyu)
- Incorrect copy length. Should be num entries * entry size.
- Use memcpy_toio()/memcpy_fromio() instead of memcpy for iomem.
- Add F_PM_SAVE flags to indicate which MMIOs to save/restore for PM.

V4:
Rebase.

V5:
Fail intel_gvt_save_ggtt as -ENOMEM if fail to alloc memory to save
ggtt. Free allocated ggtt_entries on failure.

V6:
Save host entry to per-vGPU gtt.ggtt_mm on each host_entry update.

V7:
Restore GGTT entry based on present bit.
Split fence restore and mmio restore in different functions.

Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com>
Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20201027045308.158955-1-colin.xu@intel.com
2020-11-10 14:37:56 +08:00
Yan Zhao
6594094f81 drm/i915/gvt: correct a false comment of flag F_UNALIGN
Correct falsely removed comment of flag F_UNALIGN.

Fixes: a6c5817a38 ("drm/i915/gvt: remove flag F_CMD_ACCESSED")
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200910035405.20273-1-yan.y.zhao@intel.com
2020-11-10 14:37:18 +08:00
Tejas Upadhyay
1ba1014db2 drm/i915/edp/jsl: Update vswing table for HBR and HBR2
JSL has update in vswing table for eDP.

BSpec: 21257

Changes since V1:
        - Fixed few checkpatch errors

Cc: Souza Jose <jose.souza@intel.com>
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.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/20201020053657.99890-1-tejaskumarx.surendrakumar.upadhyay@intel.com
2020-11-09 12:56:19 -08:00
Lucas De Marchi
11ffe97247 drm/i915/dg1: map/unmap pll clocks
DG1 uses 2 registers for the ddi clock mapping, with PHY A and B using
DPCLKA_CFGCR0 and PHY C and D using DPCLKA1_CFGCR0. Hide this behind a
single macro that chooses the correct register according to the phy
being accessed, use the correct bitfields for each pll/phy and implement
separate functions for DG1 since it doesn't share much with ICL/TGL
anymore.

The previous values were correct for PHY A and B since they were using
the same register as before and the bitfields were matching.

v2: Add comment and try to simplify DG1_DPCLKA* macros by reusing
previous ones
v3:
  - Fix DG1_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK() after wrong macro reuse
  - Move phy -> id map to a separate macro (Aditya)
  - Remove DG1_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK where not required
    (Aditya)
  - Use drm_WARN_ON

Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Clinton Taylor <Clinton.A.Taylor@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Aditya Swarup <aditya.swarup@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Aditya Swarup <aditya.swarup@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201106210006.837953-1-lucas.demarchi@intel.com
2020-11-09 12:17:02 -08:00
Ville Syrjälä
54defc10c4 drm/i915: Include fb modifier in state dumps
To help diagnose modifier related issues let's include that
information in the various state dumps.

Cc: Simon Ser <contact@emersion.fr>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201103153026.16566-1-ville.syrjala@linux.intel.com
Acked-by: Simon Ser <contact@emersion.fr>
2020-11-06 19:20:08 +02:00
Ville Syrjälä
04057a1afc drm/i915: Sort EHL/JSL PCI IDs
Sort the EHL/JSL PCI IDs numerically. Some order seems better than
randomness.

v2: Deal with the JSL vs. EHL split
v3: Rebase due to 0x4500 removal

Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com> #v1
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201030164124.16922-1-ville.syrjala@linux.intel.com
2020-11-06 14:09:30 +02:00
Tejas Upadhyay
fcc6aa8f3e drm/i915/ehl: Implement W/A 22010492432
As per W/A implemented for TGL to program half of the nominal
DCO divider fraction value which is also applicable on EHL.

Changes since V2:
	- Apply stepping B0 till FOREVER
	- B0 - revid update as per Bspec 29153
Changes since V1:
        - ehl_ used as to keep earliest platform prefix
        - WA required B0 stepping onwards

Cc: Deak Imre <imre.deak@intel.com>
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201104050655.171185-1-tejaskumarx.surendrakumar.upadhyay@intel.com
2020-11-05 08:25:49 -08:00
José Roberto de Souza
66186acbd9 drm/i915/display: Use initial_fastset_check() to compute and apply the initial PSR state
Replace the previous approach to force compute the initial PSR state
after i915 take over from firmware by the better and recently added
initial_fastset_check() hook.

Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102221048.104294-1-jose.souza@intel.com
2020-11-05 05:38:51 -08:00
Jani Nikula
5f8f965287 Merge drm/drm-next into drm-intel-next-queued
Catch up with v5.10-rc2 and drm-misc-next.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2020-11-05 10:25:17 +02:00
Imre Deak
ba8a5cb234 drm/i915/tgl: Fix typo during output setup
Fix a typo that led to some MST short pulse event handling issue (the
short pulse event was handled for both encoder instances, each having
its own state).

Fixes: 1d8ca00245 ("drm/i915: Add PORT_TCn aliases to enum port")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201104010000.4165574-1-imre.deak@intel.com
2020-11-04 16:31:56 +02:00
Dave Airlie
e047c7be17 Merge tag 'drm-intel-next-queued-2020-11-03' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
drm/i915 features for v5.11

Highlights:
- More DG1 enabling (Lucas, Matt, Aditya, Anshuman, Clinton, Matt, Stuart, Venkata)
- Integer scaling filter support (Pankaj Bharadiya)
- Asynchronous flip support (Karthik)

Generic:
- Fix gen12 forcewake tables (Matt)
- Haswell PCI ID updates (Alexei Podtelezhnikov)

Display:
- ICL+ DSI command mode enabling (Vandita)
- Shutdown displays grafecully on reboot/shutdown (Ville)
- Don't register display debugfs when there is no display (Lucas)
- Fix RKL CDCLK table (Matt)
- Limit EHL/JSL eDP to HBR2 (José)
- Handle incorrectly set (by BIOS) PLLs and DP link rates at probe (Imre)
- Fix mode valid check wrt bpp for "YCbCr 4:2:0 only" modes (Ville)
- State checker and dump fixes (Ville)
- DP AUX backlight updates (Aaron Ma, Sean Paul)
- Add DP LTTPR non-transparent link training mode (Imre)
- PSR2 selective fetch enabling (José)
- VBT updates (José)
- HDCP updates (Ramalingam)

Cleanups and refactoring:
- HPD pin, AUX channel, and Type-C port identifier cleanup (Ville)
- Hotplug and irq refactoring (Ville)
- Better DDI encoder and AUX channel names (Ville)
- Color LUT code cleanups (Ville)
- Combo PHY code cleanups (Ville)
- LSPCON code cleanups (Ville)
- Documentation fixes (Mauro, Chris)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87o8kehbaj.fsf@intel.com
2020-11-04 12:17:34 +10:00
Dave Airlie
1cd260a790 drm-misc-next for 5.11:
UAPI Changes:
 
   - doc: rules for EBUSY on non-blocking commits; requirements for fourcc
     modifiers; on parsing EDID
   - fbdev/sbuslib: Remove unused FBIOSCURSOR32
   - fourcc: deprecate DRM_FORMAT_MOD_NONE
   - virtio: Support blob resources for memory allocations; Expose host-visible
     and cross-device features
 
 Cross-subsystem Changes:
 
   - devicetree: Add vendor Prefix for Yes Optoelectronics, Shanghai Top Display
     Optoelectronics
   - dma-buf: Add struct dma_buf_map that stores DMA pointer and I/O-memory flag;
     dma_buf_vmap()/vunmap() return address in dma_buf_map; Use struct_size() macro
 
 Core Changes:
 
   - atomic: pass full state to CRTC atomic enable/disable; warn for EBUSY during
     non-blocking commits
   - dp: Prepare for DP 2.0 DPCD
   - dp_mst: Receive extended DPCD caps
   - dma-buf: Documentation
   - doc: Format modifiers; dma-buf-map; Cleanups
   - fbdev: Don't use compat_alloc_user_space(); mark as orphaned
   - fb-helper: Take lock in drm_fb_helper_restore_work_fb()
   - gem: Convert implementation and drivers to GEM object functions, remove
     GEM callbacks from struct drm_driver (expect gem_prime_mmap)
   - panel: Cleanups
   - pci: Add legacy infix to drm_irq_by_busid()
   - sched: Avoid infinite waits in drm_sched_entity_destroy()
   - switcheroo: Cleanups
   - ttm: Remove AGP support; Don't modify caching during swapout; Major
     refactoring of the implementation and API that affects all depending
     drivers; Add ttm_bo_wait_ctx(); Add ttm_bo_pin()/unpin() in favor of
     TTM_PL_FLAG_NO_EVICT; Remove ttm_bo_create(); Remove fault_reserve_notify()
     callback; Push move() implementation into drivers; Remove TTM_PAGE_FLAG_WRITE;
     Replace caching flags with init-time cache setting; Push ttm_tt_bind() into
     drivers; Replace move_notify() with delete_mem_notify(); No overlapping memcpy();
     no more ttm_set_populated()
   - vram-helper: Fix BO top-down placement; TTM-related changes; Init GEM
     object functions with defaults; Default placement in system memory; Cleanups
 
 Driver Changes:
 
   - amdgpu: Use GEM object functions
   - armada: Use GEM object functions
   - aspeed: Configure output via sysfs; Init struct drm_driver with
   - ast: Reload LUT after FB format changes
   - bridge: Add driver and DT bindings for anx7625; Cleanups
   - bridge/dw-hdmi: Constify ops
   - bridge/ti-sn65dsi86: Add retries for link training
   - bridge/lvds-codec: Add support for regulator
   - bridge/tc358768: Restore connector support DRM_GEM_CMA_DRIVEROPS; Cleanups
   - display/ti,j721e-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
     dma-coherent
   - display/ti,am65s-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
     dma-coherent
   - etnaviv: Use GEM object functions
   - exynos: Use GEM object functions
   - fbdev: Cleanups and compiler fixes throughout framebuffer drivers
   - fbdev/cirrusfb: Avoid division by 0
   - gma500: Use GEM object functions; Fix double-free of connector; Cleanups
   - hisilicon/hibmc: I2C-based DDC support; Use to_hibmc_drm_device(); Cleanups
   - i915: Use GEM object functions
   - imx/dcss: Init driver with DRM_GEM_CMA_DRIVER_OPS; Cleanups
   - ingenic: Reset pixel clock when parent clock changes; support reserved
     memory; Alloc F0 and F1 DMA channels at once; Support different pixel formats;
     Revert support for cached mmap buffers
     on F0/F1; support 30-bit/24-bit/8-bit-palette modes
   - komeda: Use DEFINE_SHOW_ATTRIBUTE
   - mcde: Detect platform_get_irq() errors
   - mediatek: Use GEM object functions
   - msm: Use GEM object functions
   - nouveau: Cleanups; TTM-related changes; Use GEM object functions
   - omapdrm: Use GEM object functions
   - panel: Add driver and DT bindings for Novatak nt36672a; Add driver and DT
     bindings for YTC700TLAG-05-201C; Add driver and DT bindings for TDO TL070WSH30;
     Cleanups
   - panel/mantix: Fix reset; Fix deref of NULL pointer in mantix_get_modes()
   - panel/otm8009a: Allow non-continuous dsi clock; Cleanups
   - panel/rm68200: Allow non-continuous dsi clock; Fix mode to 50 FPS
   - panfrost: Fix job timeout handling; Cleanups
   - pl111: Use GEM object functions
   - qxl: Cleanups; TTM-related changes; Pin new BOs with ttm_bo_init_reserved()
   - radeon: Cleanups; TTM-related changes; Use GEM object functions
   - rockchip: Use GEM object functions
   - shmobile: Cleanups
   - tegra: Use GEM object functions
   - tidss: Set drm_plane_helper_funcs.prepare_fb
   - tilcdc: Don't keep vblank interrupt enabled all the time
   - tve200: Detect platform_get_irq() errors
   - vc4: Use GEM object functions; Only register components once DSI is attached;
     Add Maxime as maintainer
   - vgem: Use GEM object functions
   - via: Simplify critical section in via_mem_alloc()
   - virtgpu: Use GEM object functions
   - virtio: Implement blob resources, host-visible and cross-device features;
     Support mapping of host-allocated resources; Use UUID APi; Cleanups
   - vkms: Use GEM object functions; Switch to SHMEM
   - vmwgfx: TTM-related changes; Inline ttm_bo_swapout_all()
   - xen: Use GEM object functions
   - xlnx: Use GEM object functions
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Merge tag 'drm-misc-next-2020-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.11:

UAPI Changes:

  - doc: rules for EBUSY on non-blocking commits; requirements for fourcc
    modifiers; on parsing EDID
  - fbdev/sbuslib: Remove unused FBIOSCURSOR32
  - fourcc: deprecate DRM_FORMAT_MOD_NONE
  - virtio: Support blob resources for memory allocations; Expose host-visible
    and cross-device features

Cross-subsystem Changes:

  - devicetree: Add vendor Prefix for Yes Optoelectronics, Shanghai Top Display
    Optoelectronics
  - dma-buf: Add struct dma_buf_map that stores DMA pointer and I/O-memory flag;
    dma_buf_vmap()/vunmap() return address in dma_buf_map; Use struct_size() macro

Core Changes:

  - atomic: pass full state to CRTC atomic enable/disable; warn for EBUSY during
    non-blocking commits
  - dp: Prepare for DP 2.0 DPCD
  - dp_mst: Receive extended DPCD caps
  - dma-buf: Documentation
  - doc: Format modifiers; dma-buf-map; Cleanups
  - fbdev: Don't use compat_alloc_user_space(); mark as orphaned
  - fb-helper: Take lock in drm_fb_helper_restore_work_fb()
  - gem: Convert implementation and drivers to GEM object functions, remove
    GEM callbacks from struct drm_driver (expect gem_prime_mmap)
  - panel: Cleanups
  - pci: Add legacy infix to drm_irq_by_busid()
  - sched: Avoid infinite waits in drm_sched_entity_destroy()
  - switcheroo: Cleanups
  - ttm: Remove AGP support; Don't modify caching during swapout; Major
    refactoring of the implementation and API that affects all depending
    drivers; Add ttm_bo_wait_ctx(); Add ttm_bo_pin()/unpin() in favor of
    TTM_PL_FLAG_NO_EVICT; Remove ttm_bo_create(); Remove fault_reserve_notify()
    callback; Push move() implementation into drivers; Remove TTM_PAGE_FLAG_WRITE;
    Replace caching flags with init-time cache setting; Push ttm_tt_bind() into
    drivers; Replace move_notify() with delete_mem_notify(); No overlapping memcpy();
    no more ttm_set_populated()
  - vram-helper: Fix BO top-down placement; TTM-related changes; Init GEM
    object functions with defaults; Default placement in system memory; Cleanups

Driver Changes:

  - amdgpu: Use GEM object functions
  - armada: Use GEM object functions
  - aspeed: Configure output via sysfs; Init struct drm_driver with
  - ast: Reload LUT after FB format changes
  - bridge: Add driver and DT bindings for anx7625; Cleanups
  - bridge/dw-hdmi: Constify ops
  - bridge/ti-sn65dsi86: Add retries for link training
  - bridge/lvds-codec: Add support for regulator
  - bridge/tc358768: Restore connector support DRM_GEM_CMA_DRIVEROPS; Cleanups
  - display/ti,j721e-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
    dma-coherent
  - display/ti,am65s-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
    dma-coherent
  - etnaviv: Use GEM object functions
  - exynos: Use GEM object functions
  - fbdev: Cleanups and compiler fixes throughout framebuffer drivers
  - fbdev/cirrusfb: Avoid division by 0
  - gma500: Use GEM object functions; Fix double-free of connector; Cleanups
  - hisilicon/hibmc: I2C-based DDC support; Use to_hibmc_drm_device(); Cleanups
  - i915: Use GEM object functions
  - imx/dcss: Init driver with DRM_GEM_CMA_DRIVER_OPS; Cleanups
  - ingenic: Reset pixel clock when parent clock changes; support reserved
    memory; Alloc F0 and F1 DMA channels at once; Support different pixel formats;
    Revert support for cached mmap buffers
    on F0/F1; support 30-bit/24-bit/8-bit-palette modes
  - komeda: Use DEFINE_SHOW_ATTRIBUTE
  - mcde: Detect platform_get_irq() errors
  - mediatek: Use GEM object functions
  - msm: Use GEM object functions
  - nouveau: Cleanups; TTM-related changes; Use GEM object functions
  - omapdrm: Use GEM object functions
  - panel: Add driver and DT bindings for Novatak nt36672a; Add driver and DT
    bindings for YTC700TLAG-05-201C; Add driver and DT bindings for TDO TL070WSH30;
    Cleanups
  - panel/mantix: Fix reset; Fix deref of NULL pointer in mantix_get_modes()
  - panel/otm8009a: Allow non-continuous dsi clock; Cleanups
  - panel/rm68200: Allow non-continuous dsi clock; Fix mode to 50 FPS
  - panfrost: Fix job timeout handling; Cleanups
  - pl111: Use GEM object functions
  - qxl: Cleanups; TTM-related changes; Pin new BOs with ttm_bo_init_reserved()
  - radeon: Cleanups; TTM-related changes; Use GEM object functions
  - rockchip: Use GEM object functions
  - shmobile: Cleanups
  - tegra: Use GEM object functions
  - tidss: Set drm_plane_helper_funcs.prepare_fb
  - tilcdc: Don't keep vblank interrupt enabled all the time
  - tve200: Detect platform_get_irq() errors
  - vc4: Use GEM object functions; Only register components once DSI is attached;
    Add Maxime as maintainer
  - vgem: Use GEM object functions
  - via: Simplify critical section in via_mem_alloc()
  - virtgpu: Use GEM object functions
  - virtio: Implement blob resources, host-visible and cross-device features;
    Support mapping of host-allocated resources; Use UUID APi; Cleanups
  - vkms: Use GEM object functions; Switch to SHMEM
  - vmwgfx: TTM-related changes; Inline ttm_bo_swapout_all()
  - xen: Use GEM object functions
  - xlnx: Use GEM object functions

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201027100936.GA4858@linux-uq9g
2020-11-04 11:49:10 +10:00
Anusha Srivatsa
0e8e272f13 drm/i915/ehl: Remove invalid PCI ID
Update the EHL PCI IDs from BSpec.
Remove the invalid ones.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102193034.28055-1-anusha.srivatsa@intel.com
2020-11-03 16:36:20 -08:00
Jani Nikula
139caf7ca2 drm/i915: Update DRIVER_DATE to 20201103
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2020-11-03 14:21:25 +02:00
Linus Torvalds
3cea11cd5e Linux 5.10-rc2 2020-11-01 14:43:51 -08:00
Linus Torvalds
7b56fbd83e Three fixes all related to #DB:
- Handle the BTF bit correctly so it doesn't get lost due to a kernel #DB
 
  - Only clear and set the virtual DR6 value used by ptrace on user space
    triggered #DB. A kernel #DB must leave it alone to ensure data
    consistency for ptrace.
 
  - Make the bitmasking of the virtual DR6 storage correct so it does not
    lose DR_STEP.
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Merge tag 'x86-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:
 "Three fixes all related to #DB:

   - Handle the BTF bit correctly so it doesn't get lost due to a kernel
     #DB

   - Only clear and set the virtual DR6 value used by ptrace on user
     space triggered #DB. A kernel #DB must leave it alone to ensure
     data consistency for ptrace.

   - Make the bitmasking of the virtual DR6 storage correct so it does
     not lose DR_STEP"

* tag 'x86-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/debug: Fix DR_STEP vs ptrace_get_debugreg(6)
  x86/debug: Only clear/set ->virtual_dr6 for userspace #DB
  x86/debug: Fix BTF handling
2020-11-01 11:21:26 -08:00
Linus Torvalds
4312e0e8d3 A few fixes for timers/timekeeping:
- Prevent undefined behaviour in the timespec64_to_ns() conversion which
     is used for converting user supplied time input to nanoseconds. It
     lacked overflow protection.
 
   - Mark sched_clock_read_begin/retry() to prevent recursion in the tracer
 
   - Remove unused debug functions in the hrtimer and timerlist code
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Merge tag 'timers-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fixes from Thomas Gleixner:
 "A few fixes for timers/timekeeping:

   - Prevent undefined behaviour in the timespec64_to_ns() conversion
     which is used for converting user supplied time input to
     nanoseconds. It lacked overflow protection.

   - Mark sched_clock_read_begin/retry() to prevent recursion in the
     tracer

   - Remove unused debug functions in the hrtimer and timerlist code"

* tag 'timers-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  time: Prevent undefined behaviour in timespec64_to_ns()
  timers: Remove unused inline funtion debug_timer_free()
  hrtimer: Remove unused inline function debug_hrtimer_free()
  time/sched_clock: Mark sched_clock_read_begin/retry() as notrace
2020-11-01 11:13:45 -08:00
Linus Torvalds
82423b46fc A single fix for stop machine. Mark functions no trace to prevent a crash
caused by recursion when enabling or disabling a tracer on RISC-V (probably
 all architectures which patch through stop machine).
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Merge tag 'smp-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull smp fix from Thomas Gleixner:
 "A single fix for stop machine.

  Mark functions no trace to prevent a crash caused by recursion when
  enabling or disabling a tracer on RISC-V (probably all architectures
  which patch through stop machine)"

* tag 'smp-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  stop_machine, rcu: Mark functions as notrace
2020-11-01 11:11:38 -08:00
Linus Torvalds
8d99084efc A couple of locking fixes:
- Fix incorrect failure injection handling on the fuxtex code
 
  - Prevent a preemption warning in lockdep when tracking local_irq_enable()
    and interrupts are already enabled
 
  - Remove more raw_cpu_read() usage from lockdep which causes state
    corruption on !X86 architectures.
 
  - Make the nr_unused_locks accounting in lockdep correct again.
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Merge tag 'locking-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fixes from Thomas Gleixner:
 "A couple of locking fixes:

   - Fix incorrect failure injection handling in the fuxtex code

   - Prevent a preemption warning in lockdep when tracking
     local_irq_enable() and interrupts are already enabled

   - Remove more raw_cpu_read() usage from lockdep which causes state
     corruption on !X86 architectures.

   - Make the nr_unused_locks accounting in lockdep correct again"

* tag 'locking-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  lockdep: Fix nr_unused_locks accounting
  locking/lockdep: Remove more raw_cpu_read() usage
  futex: Fix incorrect should_fail_futex() handling
  lockdep: Fix preemption WARN for spurious IRQ-enable
2020-11-01 11:08:17 -08:00
Linus Torvalds
31f020064f Char/Misc fixes/removals for 5.10-rc2
Here's some small fixes for 5.10-rc2 and a big driver removal.
 
 The fixes are for some reported issues in the interconnect and coresight
 drivers, nothing major.
 
 The "big" driver removal is the MIC drivers have been asked to be
 removed as the hardware never shipped and Intel no longer wants to
 maintain something that no one can use.  This is welcomed by many as the
 DMA usage of these drivers was "interesting" and the security people
 were starting to question some issues that were starting to be found in
 the codebase.
 
 Note, one of the subsystems for this driver, the "VOP" code, will
 probably come back in future kernel versions as it was looking to
 potentially solve some PCIe virtualization issues that a number of other
 vendors were wanting to solve.  But as-is, this codebase didn't work for
 anyone else so no actual functionality is being removed.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fixes/removals from Greg KH:
 "Here's some small fixes for 5.10-rc2 and a big driver removal.

  The fixes are for some reported issues in the interconnect and
  coresight drivers, nothing major.

  The "big" driver removal is the MIC drivers have been asked to be
  removed as the hardware never shipped and Intel no longer wants to
  maintain something that no one can use. This is welcomed by many as
  the DMA usage of these drivers was "interesting" and the security
  people were starting to question some issues that were starting to be
  found in the codebase.

  Note, one of the subsystems for this driver, the "VOP" code, will
  probably come back in future kernel versions as it was looking to
  potentially solve some PCIe virtualization issues that a number of
  other vendors were wanting to solve. But as-is, this codebase didn't
  work for anyone else so no actual functionality is being removed.

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  coresight: cti: Initialize dynamic sysfs attributes
  coresight: Fix uninitialised pointer bug in etm_setup_aux()
  coresight: add module license
  misc: mic: remove the MIC drivers
  interconnect: qcom: use icc_sync state for sm8[12]50
  interconnect: qcom: Ensure that the floor bandwidth value is enforced
  interconnect: qcom: sc7180: Init BCMs before creating the nodes
  interconnect: qcom: sdm845: Init BCMs before creating the nodes
  interconnect: Aggregate before setting initial bandwidth
  interconnect: qcom: sdm845: Enable keepalive for the MM1 BCM
2020-11-01 10:05:16 -08:00
Linus Torvalds
9c75b68b91 Driver core / Documentation fixes for 5.10-rc2
Here is one tiny debugfs change to fix up an API where the last user was
 successfully fixed up in 5.10-rc1 (so it couldn't be merged earlier),
 and a much larger Documentation/ABI/ update to the files so they can be
 automatically parsed by our tools.
 
 The Documentation/ABI/ updates are just formatting issues, small ones to
 bring the files into parsable format, and have been acked by numerous
 subsystem maintainers and the documentation maintainer.  I figured it
 was good to get this into 5.10-rc2 to help with the merge issues that
 would arise if these were to stick in linux-next until 5.11-rc1.
 
 The debugfs change has been in linux-next for a long time, and the
 Documentation updates only for the last linux-next release.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core and documentation fixes from Greg KH:
 "Here is one tiny debugfs change to fix up an API where the last user
  was successfully fixed up in 5.10-rc1 (so it couldn't be merged
  earlier), and a much larger Documentation/ABI/ update to the files so
  they can be automatically parsed by our tools.

  The Documentation/ABI/ updates are just formatting issues, small ones
  to bring the files into parsable format, and have been acked by
  numerous subsystem maintainers and the documentation maintainer. I
  figured it was good to get this into 5.10-rc2 to help wih the merge
  issues that would arise if these were to stick in linux-next until
  5.11-rc1.

  The debugfs change has been in linux-next for a long time, and the
  Documentation updates only for the last linux-next release"

* tag 'driver-core-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (40 commits)
  scripts: get_abi.pl: assume ReST format by default
  docs: ABI: sysfs-class-led-trigger-pattern: remove hw_pattern duplication
  docs: ABI: sysfs-class-backlight: unify ABI documentation
  docs: ABI: sysfs-c2port: remove a duplicated entry
  docs: ABI: sysfs-class-power: unify duplicated properties
  docs: ABI: unify /sys/class/leds/<led>/brightness documentation
  docs: ABI: stable: remove a duplicated documentation
  docs: ABI: change read/write attributes
  docs: ABI: cleanup several ABI documents
  docs: ABI: sysfs-bus-nvdimm: use the right format for ABI
  docs: ABI: vdso: use the right format for ABI
  docs: ABI: fix syntax to be parsed using ReST notation
  docs: ABI: convert testing/configfs-acpi to ReST
  docs: Kconfig/Makefile: add a check for broken ABI files
  docs: abi-testing.rst: enable --rst-sources when building docs
  docs: ABI: don't escape ReST-incompatible chars from obsolete and removed
  docs: ABI: create a 2-depth index for ABI
  docs: ABI: make it parse ABI/stable as ReST-compatible files
  docs: ABI: sysfs-uevent: make it compatible with ReST output
  docs: ABI: testing: make the files compatible with ReST output
  ...
2020-11-01 09:59:13 -08:00
Linus Torvalds
2376cca02d Staging driver fixes for 5.10-rc2
Here are some small staging driver fixes for issues that have been
 reported in 5.10-rc1:
   - octeon driver fixes
   - wfx driver fixes
   - memory leak fix in vchiq driver
   - fieldbus driver bugfix
   - comedi driver bugfix
 
 All of these have been in linux-next with no reported issues
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are some small staging driver fixes for issues that have been
  reported in 5.10-rc1:

   - octeon driver fixes

   - wfx driver fixes

   - memory leak fix in vchiq driver

   - fieldbus driver bugfix

   - comedi driver bugfix

  All of these have been in linux-next with no reported issues"

* tag 'staging-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: fieldbus: anybuss: jump to correct label in an error path
  staging: wfx: fix test on return value of gpiod_get_value()
  staging: wfx: fix use of uninitialized pointer
  staging: mmal-vchiq: Fix memory leak for vchiq_instance
  staging: comedi: cb_pcidas: Allow 2-channel commands for AO subdevice
  staging: octeon: Drop on uncorrectable alignment or FCS error
  staging: octeon: repair "fixed-link" support
2020-11-01 09:57:24 -08:00
Linus Torvalds
2754a42e0d TTY/Serial fixes for 5.10-rc2
Here are some small TTY and Serial driver fixes for reported issues for
 5.10-rc2.  They include:
 	- vt ioctl bugfix for reported problems
 	- fsl_lpuart serial driver fix
 	- 21285 serial driver bugfix
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are some small TTY and Serial driver fixes for reported issues
  for 5.10-rc2. They include:

   - vt ioctl bugfix for reported problems

   - fsl_lpuart serial driver fix

   - 21285 serial driver bugfix

  All have been in linux-next with no reported issues"

* tag 'tty-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  vt_ioctl: fix GIO_UNIMAP regression
  vt: keyboard, extend func_buf_lock to readers
  vt: keyboard, simplify vt_kdgkbsent
  tty: serial: fsl_lpuart: LS1021A has a FIFO size of 16 words, like LS1028A
  tty: serial: 21285: fix lockup on open
2020-11-01 09:55:36 -08:00
Linus Torvalds
9b5ff3c93c USB driver fixes for 5.10-rc2
Here are a number of small bugfixes for reported issues in some USB
 drivers.  They include:
 	- typec bugfixes
 	- xhci bugfixes and lockdep warning fixes
 	- cdc-acm driver regression fix
 	- kernel doc fixes
 	- cdns3 driver bugfixes for a bunch of reported issues
 	- other tiny USB driver fixes
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB driver fixes from Greg KH:
 "Here are a number of small bugfixes for reported issues in some USB
  drivers. They include:

   - typec bugfixes

   - xhci bugfixes and lockdep warning fixes

   - cdc-acm driver regression fix

   - kernel doc fixes

   - cdns3 driver bugfixes for a bunch of reported issues

   - other tiny USB driver fixes

  All have been in linux-next with no reported issues"

* tag 'usb-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: cdns3: gadget: own the lock wrongly at the suspend routine
  usb: cdns3: Fix on-chip memory overflow issue
  usb: cdns3: gadget: suspicious implicit sign extension
  xhci: Don't create stream debugfs files with spinlock held.
  usb: xhci: Workaround for S3 issue on AMD SNPS 3.0 xHC
  xhci: Fix sizeof() mismatch
  usb: typec: stusb160x: fix signedness comparison issue with enum variables
  usb: typec: add missing MODULE_DEVICE_TABLE() to stusb160x
  USB: apple-mfi-fastcharge: don't probe unhandled devices
  usbcore: Check both id_table and match() when both available
  usb: host: ehci-tegra: Fix error handling in tegra_ehci_probe()
  usb: typec: stusb160x: fix an IS_ERR() vs NULL check in probe
  usb: typec: tcpm: reset hard_reset_count for any disconnect
  usb: cdc-acm: fix cooldown mechanism
  usb: host: fsl-mph-dr-of: check return of dma_set_mask()
  usb: fix kernel-doc markups
  usb: typec: stusb160x: fix some signedness bugs
  usb: cdns3: Variable 'length' set but not used
2020-11-01 09:53:38 -08:00
Linus Torvalds
2d38c80d5b ARM:
* selftest fix
 * Force PTE mapping on device pages provided via VFIO
 * Fix detection of cacheable mapping at S2
 * Fallback to PMD/PTE mappings for composite huge pages
 * Fix accounting of Stage-2 PGD allocation
 * Fix AArch32 handling of some of the debug registers
 * Simplify host HYP entry
 * Fix stray pointer conversion on nVHE TLB invalidation
 * Fix initialization of the nVHE code
 * Simplify handling of capabilities exposed to HYP
 * Nuke VCPUs caught using a forbidden AArch32 EL0
 
 x86:
 * new nested virtualization selftest
 * Miscellaneous fixes
 * make W=1 fixes
 * Reserve new CPUID bit in the KVM leaves
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "ARM:
   - selftest fix
   - force PTE mapping on device pages provided via VFIO
   - fix detection of cacheable mapping at S2
   - fallback to PMD/PTE mappings for composite huge pages
   - fix accounting of Stage-2 PGD allocation
   - fix AArch32 handling of some of the debug registers
   - simplify host HYP entry
   - fix stray pointer conversion on nVHE TLB invalidation
   - fix initialization of the nVHE code
   - simplify handling of capabilities exposed to HYP
   - nuke VCPUs caught using a forbidden AArch32 EL0

  x86:
   - new nested virtualization selftest
   - miscellaneous fixes
   - make W=1 fixes
   - reserve new CPUID bit in the KVM leaves"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: vmx: remove unused variable
  KVM: selftests: Don't require THP to run tests
  KVM: VMX: eVMCS: make evmcs_sanitize_exec_ctrls() work again
  KVM: selftests: test behavior of unmapped L2 APIC-access address
  KVM: x86: Fix NULL dereference at kvm_msr_ignored_check()
  KVM: x86: replace static const variables with macros
  KVM: arm64: Handle Asymmetric AArch32 systems
  arm64: cpufeature: upgrade hyp caps to final
  arm64: cpufeature: reorder cpus_have_{const, final}_cap()
  KVM: arm64: Factor out is_{vhe,nvhe}_hyp_code()
  KVM: arm64: Force PTE mapping on fault resulting in a device mapping
  KVM: arm64: Use fallback mapping sizes for contiguous huge page sizes
  KVM: arm64: Fix masks in stage2_pte_cacheable()
  KVM: arm64: Fix AArch32 handling of DBGD{CCINT,SCRext} and DBGVCR
  KVM: arm64: Allocate stage-2 pgd pages with GFP_KERNEL_ACCOUNT
  KVM: arm64: Drop useless PAN setting on host EL1 to EL2 transition
  KVM: arm64: Remove leftover kern_hyp_va() in nVHE TLB invalidation
  KVM: arm64: Don't corrupt tpidr_el2 on failed HVC call
  x86/kvm: Reserve KVM_FEATURE_MSI_EXT_DEST_ID
2020-11-01 09:43:32 -08:00
Linus Torvalds
c2dc4c073f vhost,vdpa: fixes
Fixes all over the place. A new UAPI is borderline: can also be
 considered a new feature but also seems to be the only way we could come
 up with to fix addressing for userspace - and it seems important to
 switch to it now before userspace making assumptions about addressing
 ability of devices is set in stone.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull vhost fixes from Michael Tsirkin:
 "Fixes all over the place.

  A new UAPI is borderline: can also be considered a new feature but
  also seems to be the only way we could come up with to fix addressing
  for userspace - and it seems important to switch to it now before
  userspace making assumptions about addressing ability of devices is
  set in stone"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  vdpasim: allow to assign a MAC address
  vdpasim: fix MAC address configuration
  vdpa: handle irq bypass register failure case
  vdpa_sim: Fix DMA mask
  Revert "vhost-vdpa: fix page pinning leakage in error path"
  vdpa/mlx5: Fix error return in map_direct_mr()
  vhost_vdpa: Return -EFAULT if copy_from_user() fails
  vdpa_sim: implement get_iova_range()
  vhost: vdpa: report iova range
  vdpa: introduce config op to get valid iova range
2020-10-31 14:41:48 -07:00
Linus Torvalds
53760f9b74 flexible-array member conversion patches for 5.10-rc2
Hi Linus,
 
 Please, pull the following patches that replace zero-length arrays with
 flexible-array members.
 
 Thanks
 --
 Gustavo
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Merge tag 'flexible-array-conversions-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull more flexible-array member conversions from Gustavo A. R. Silva:
 "Replace zero-length arrays with flexible-array members"

* tag 'flexible-array-conversions-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  printk: ringbuffer: Replace zero-length array with flexible-array member
  net/smc: Replace zero-length array with flexible-array member
  net/mlx5: Replace zero-length array with flexible-array member
  mei: hw: Replace zero-length array with flexible-array member
  gve: Replace zero-length array with flexible-array member
  Bluetooth: btintel: Replace zero-length array with flexible-array member
  scsi: target: tcmu: Replace zero-length array with flexible-array member
  ima: Replace zero-length array with flexible-array member
  enetc: Replace zero-length array with flexible-array member
  fs: Replace zero-length array with flexible-array member
  Bluetooth: Replace zero-length array with flexible-array member
  params: Replace zero-length array with flexible-array member
  tracepoint: Replace zero-length array with flexible-array member
  platform/chrome: cros_ec_proto: Replace zero-length array with flexible-array member
  platform/chrome: cros_ec_commands: Replace zero-length array with flexible-array member
  mailbox: zynqmp-ipi-message: Replace zero-length array with flexible-array member
  dmaengine: ti-cppi5: Replace zero-length array with flexible-array member
2020-10-31 14:31:28 -07:00
Linus Torvalds
bb3540be73 dma-mapping fix for 5.10:
- fix an integer overflow on 32-bit platforms in the new DMA range code
    (Geert Uytterhoeven)
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Merge tag 'dma-mapping-5.10-2' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:
 "Fix an integer overflow on 32-bit platforms in the new DMA range code
  (Geert Uytterhoeven)"

* tag 'dma-mapping-5.10-2' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: fix 32-bit overflow with CONFIG_ARM_LPAE=n
2020-10-31 12:25:58 -07:00
Linus Torvalds
67ff377bc3 SCSI fixes on 20201030
Four driver fixes and one core fix.  The core fix closes a race window
 where we could kick off a second asynchronous scan because the test
 and set of the variable preventing it isn't atomic.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Four driver fixes and one core fix.

  The core fix closes a race window where we could kick off a second
  asynchronous scan because the test and set of the variable preventing
  it isn't atomic"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: hisi_sas: Stop using queue #0 always for v2 hw
  scsi: ibmvscsi: Fix potential race after loss of transport
  scsi: mptfusion: Fix null pointer dereferences in mptscsih_remove()
  scsi: qla2xxx: Return EBUSY on fcport deletion
  scsi: core: Don't start concurrent async scan on same host
2020-10-31 12:21:04 -07:00
Paolo Bonzini
9478dec3b5 KVM: vmx: remove unused variable
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-31 11:38:43 -04:00
Andrew Jones
0f55b67e5a KVM: selftests: Don't require THP to run tests
Unless we want to test with THP, then we shouldn't require it to be
configured by the host kernel. Unfortunately, even advising with
MADV_NOHUGEPAGE does require it, so check for THP first in order
to avoid madvise failing with EINVAL.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-Id: <20201029201703.102716-2-drjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-31 10:35:50 -04:00
Vitaly Kuznetsov
064eedf2c5 KVM: VMX: eVMCS: make evmcs_sanitize_exec_ctrls() work again
It was noticed that evmcs_sanitize_exec_ctrls() is not being executed
nowadays despite the code checking 'enable_evmcs' static key looking
correct. Turns out, static key magic doesn't work in '__init' section
(and it is unclear when things changed) but setup_vmcs_config() is called
only once per CPU so we don't really need it to. Switch to checking
'enlightened_vmcs' instead, it is supposed to be in sync with
'enable_evmcs'.

Opportunistically make evmcs_sanitize_exec_ctrls '__init' and drop unneeded
extra newline from it.

Reported-by: Yang Weijiang <weijiang.yang@intel.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20201014143346.2430936-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-31 10:27:58 -04:00
Jim Mattson
97a71a5455 KVM: selftests: test behavior of unmapped L2 APIC-access address
Add a regression test for commit 671ddc700f ("KVM: nVMX: Don't leak
L1 MMIO regions to L2").

First, check to see that an L2 guest can be launched with a valid
APIC-access address that is backed by a page of L1 physical memory.

Next, set the APIC-access address to a (valid) L1 physical address
that is not backed by memory. KVM can't handle this situation, so
resuming L2 should result in a KVM exit for internal error
(emulation).

Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Ricardo Koller <ricarkol@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Message-Id: <20201026180922.3120555-1-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-31 10:04:38 -04:00
Linus Torvalds
5fc6b075e1 block-5.10-2020-10-30
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Merge tag 'block-5.10-2020-10-30' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - null_blk zone fixes (Damien, Kanchan)

 - NVMe pull request from Christoph:
       - improve zone revalidation (Keith Busch)
       - gracefully handle zero length messages in nvme-rdma (zhenwei pi)
       - nvme-fc error handling fixes (James Smart)
       - nvmet tracing NULL pointer dereference fix (Chaitanya Kulkarni)"

 - xsysace platform fixes (Andy)

 - scatterlist type cleanup (David)

 - blk-cgroup memory fixes (Gabriel)

 - nbd block size update fix (Ming)

 - Flush completion state fix (Ming)

 - bio_add_hw_page() iteration fix (Naohiro)

* tag 'block-5.10-2020-10-30' of git://git.kernel.dk/linux-block:
  blk-mq: mark flush request as IDLE in flush_end_io()
  lib/scatterlist: use consistent sg_copy_buffer() return type
  xsysace: use platform_get_resource() and platform_get_irq_optional()
  null_blk: Fix locking in zoned mode
  null_blk: Fix zone reset all tracing
  nbd: don't update block size after device is started
  block: advance iov_iter on bio_add_hw_page failure
  null_blk: synchronization fix for zoned device
  nvmet: fix a NULL pointer dereference when tracing the flush command
  nvme-fc: remove nvme_fc_terminate_io()
  nvme-fc: eliminate terminate_io use by nvme_fc_error_recovery
  nvme-fc: remove err_work work item
  nvme-fc: track error_recovery while connecting
  nvme-rdma: handle unexpected nvme completion data length
  nvme: ignore zone validate errors on subsequent scans
  blk-cgroup: Pre-allocate tree node on blkg_conf_prep
  blk-cgroup: Fix memleak on error path
2020-10-30 15:02:49 -07:00
Gustavo A. R. Silva
a38283da05 printk: ringbuffer: Replace zero-length array with flexible-array member
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-10-30 16:57:42 -05:00
Gustavo A. R. Silva
7206d58a3a net/smc: Replace zero-length array with flexible-array member
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-10-30 16:57:42 -05:00
Gustavo A. R. Silva
290562075d net/mlx5: Replace zero-length array with flexible-array member
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-10-30 16:57:42 -05:00
Gustavo A. R. Silva
b21de80ac1 mei: hw: Replace zero-length array with flexible-array member
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-10-30 16:57:41 -05:00
Gustavo A. R. Silva
691f4077d5 gve: Replace zero-length array with flexible-array member
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure.  Kernel code
should always use “flexible array members”[1] for these cases.  The
older style of one-element or zero-length arrays should no longer be
used[2].

Refactor the code according to the use of a flexible-array member in
struct gve_stats_report, instead of a zero-length array, and use the
struct_size() helper to calculate the size for the resource allocation.

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-10-30 16:57:41 -05:00
Gustavo A. R. Silva
4acbf5545d Bluetooth: btintel: Replace zero-length array with flexible-array member
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-10-30 16:57:41 -05:00
Linus Torvalds
cf9446cc8e io_uring-5.10-2020-10-30
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Merge tag 'io_uring-5.10-2020-10-30' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - Fixes for linked timeouts (Pavel)

 - Set IO_WQ_WORK_CONCURRENT early for async offload (Pavel)

 - Two minor simplifications that make the code easier to read and
   follow (Pavel)

* tag 'io_uring-5.10-2020-10-30' of git://git.kernel.dk/linux-block:
  io_uring: use type appropriate io_kiocb handler for double poll
  io_uring: simplify __io_queue_sqe()
  io_uring: simplify nxt propagation in io_queue_sqe
  io_uring: don't miss setting IO_WQ_WORK_CONCURRENT
  io_uring: don't defer put of cancelled ltimeout
  io_uring: always clear LINK_TIMEOUT after cancel
  io_uring: don't adjust LINK_HEAD in cancel ltimeout
  io_uring: remove opcode check on ltimeout kill
2020-10-30 14:55:36 -07:00
Linus Torvalds
8f9a2a196b libata-5.10-2020-10-30
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Merge tag 'libata-5.10-2020-10-30' of git://git.kernel.dk/linux-block

Pull libata fix from Jens Axboe:
 "Single fix for an old regression with sata_nv"

* tag 'libata-5.10-2020-10-30' of git://git.kernel.dk/linux-block:
  ata: sata_nv: Fix retrieving of active qcs
2020-10-30 14:51:01 -07:00
Linus Torvalds
f5d808567a for-5.10-rc1-tag
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Merge tag 'for-5.10-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:

 - lockdep fixes:
     - drop path locks before manipulating sysfs objects or qgroups
     - preliminary fixes before tree locks get switched to rwsem
     - use annotated seqlock

 - build warning fixes (printk format)

 - fix relocation vs fallocate race

 - tree checker properly validates number of stripes and parity

 - readahead vs device replace fixes

 - iomap dio fix for unnecessary buffered io fallback

* tag 'for-5.10-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: convert data_seqcount to seqcount_mutex_t
  btrfs: don't fallback to buffered read if we don't need to
  btrfs: add a helper to read the tree_root commit root for backref lookup
  btrfs: drop the path before adding qgroup items when enabling qgroups
  btrfs: fix readahead hang and use-after-free after removing a device
  btrfs: fix use-after-free on readahead extent after failure to create it
  btrfs: tree-checker: validate number of chunk stripes and parity
  btrfs: tree-checker: fix incorrect printk format
  btrfs: drop the path before adding block group sysfs files
  btrfs: fix relocation failure due to race with fallocate
2020-10-30 13:29:49 -07:00