Commit Graph

712 Commits

Author SHA1 Message Date
Dave Airlie
7c9aa0f746 Merge tag 'drm-intel-next-2023-08-03' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
- Removing unused declarations (Arnd, Gustavo)
- ICL+ DSI modeset sequence fixes (Ville)
- Improvements on HDCP (Suraj)
- Fixes and clean up on MTL Display (Mika Kahola, Lee, RK, Nirmoy, Chaitanya)
- Restore HSW/BDW PSR1 (Ville)
- Other PSR Fixes (Jouni)
- Fixes around DC states and other Display Power (Imre)
- Init DDI ports in VBT order (Ville)
- General documentation fixes (Jani)
- General refactor for better organization (Jani)
- Bigjoiner fix (Stanislav)
- VDSC Fixes and improvements (Stanialav, Suraj)
- Hotplug fixes and improvements (Simon, Suraj)
- Start using plane scale factor for relative data rate (Stanislav)
- Use shmem for dpt objects (RK)
- Simplify expression &to_i915(dev)->drm (Uwe)
- Do not access i915_gem_object members from frontbuffer tracking (Jouni)
- Fix uncore race around i915->params.mmio_debug (Jani)

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

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZMv4RCzGyCmG/BDe@intel.com
2023-08-07 13:47:30 +10:00
Dave Airlie
ca9e70f527 Merge tag 'drm-misc-next-2023-08-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v6.6:

UAPI Changes:

 * virtio:
   * Support sync objects

Cross-subsystem Changes:

 * dt-bindings:
   * Move several panel bindings to the correct files

 * fbcon:
   * Cleanups

 * fbdev:
   * Use _IOMEM_, _SYSMEM_, _DMAMEM_ infixes for initializer macros
     and Kconfig tokens, update drivers accordingly
   * ps3fb: Build fix

 * hid/i2c:
   * Allow panels and touchscreens to power sequence together

 * host1x:
   * Fixes

 * video:
   * Fix Kconfig dependencies for boot-up logo

Core Changes:

 * Documentation updates and fixes

 * Fixes

 * MIPI-DBI:
   * Allow using same the D/C GPIO for multiple displays plus
     driver updates

 * Tests:
   * Convert to kunit actions
   * Fix NULL-deref in drm_exec tests

Driver Changes:

 * armada:
   * Fixes

 * ast:
   * Represent BMV as virtual connector
   * Report DP connection status

 * bridge:
   * dw-hdmi: Support CEC suspend/resume
   * Support debugfs for chains
   * Fixes

 * i915:
   * Fixes

 * imx:
   * Convert to dev_error_probe()
   * Cleanups

 * ipu-v3:
   * Convert to devm_platform_ioremap_resource() in several places

 * nouveau:
   * Workaround DPCD issues

 * panel:
   * Convert to of_device_get_match_data()
   * Fix Kconfig dependencies
   * simple: Set bpc value to fix warning; Set connector type for AUO T215HVN01;
     Support Innolux G156HCE-L01 plus DT bindings
   * ili9881: Support TDO TL050HDV35 LCD panel plus DT bindings
   * startek: Support KD070FHFID015 MIPI-DSI panel plus DT bindings
   * sitronix-st7789v: Support Inanbo T28CP45TN89 plus DT bindings;
     Support EDT ET028013DMA plus DT bindings; Various cleanups
   * edp: Add timings for N140HCA-EAC
   * Allow panels and touchscreens to power sequence together
   * Documentation fixes

 * qaic:
   * Cleanups

 * repaper:
   * Fixes

 * ssd130x
   * Fix shadow-plane allocation
   * Cleanups

 * tegra:
   * Convert to devm_platform_ioremap_resource() in several places
   * Support bridge/connector
   * Enable PM
   * Fixes

 * udl:
   * Cleanups

 * v3d:
   * Fixes

 * vc4:
   * Convert tests to kunit actions

 * virtio:
   * Support sync objects

 * vkms:
   * Support gamma LUT
   * Fixes

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

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From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230803150149.GA16884@linux-uq9g
2023-08-07 11:00:32 +10:00
Daniel Vetter
3d00c59d14 Merge tag 'amd-drm-next-6.6-2023-07-28' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.6-2023-07-28:

amdgpu:
- Lots of checkpatch cleanups
- GFX 9.4.3 updates
- Add USB PD and IFWI flashing documentation
- GPUVM updates
- RAS fixes
- DRR fixes
- FAMS fixes
- Virtual display fixes
- Soft IH fixes
- SMU13 fixes
- Rework PSP firmware loading for other IPs
- Kernel doc fixes
- DCN 3.0.1 fixes
- LTTPR fixes
- DP MST fixes
- DCN 3.1.6 fixes
- SubVP fixes
- Display bandwidth calculation fixes
- VCN4 secure submission fixes
- Allow building DC on RISC-V
- Add visible FB info to bo_print_info
- HBR3 fixes
- Add PSP 14.0 support
- GFX9 MCBP fix
- GMC10 vmhub index fix
- GMC11 vmhub index fix
- Create a new doorbell manager
- SR-IOV fixes

amdkfd:
- Cleanup CRIU dma-buf handling
- Use KIQ to unmap HIQ
- GFX 9.4.3 debugger updates
- GFX 9.4.2 debugger fixes
- Enable cooperative groups fof gfx11
- SVM fixes

radeon:
- Lots of checkpatch cleanups

Merge conflicts:
- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
	The switch to drm eu helpers in 8a206685d3 ("drm/amdgpu: use
	drm_exec for GEM and CSA handling v2") clashed with the
	cosmetic cleanups from 30953c4d00 ("drm/amdgpu: Fix style
	issues in amdgpu_gem.c"). I
	kept the former since the cleanup up code is gone.
- drivers/gpu/drm/amd/amdgpu/atom.c.
	adf64e2142 ("drm/amd: Avoid reading the VBIOS part number
	twice") removed code that 992b8fe106 ("drm/radeon: Replace
	all non-returning strlcpy with strscpy") polished.

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230728214228.8102-1-alexander.deucher@amd.com
[sima: some merge conflict wrangling as noted]
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2023-08-04 11:10:18 +02:00
Simon Ser
9a2eabf48a drm/doc: use proper cross-references for sections
When I originally wrote these docs, I couldn't manage to insert a
cross-reference to a section. Here's how it can be done.

Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Pekka Paalanen <pekka.paalanen@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230803095734.386761-1-contact@emersion.fr
2023-08-03 12:17:29 +02:00
Douglas Anderson
1ab2ddc4af drm/panel: Fix todo indentation for panel prepared/enabled cleanup
In commit d2aacaf073 ("drm/panel: Check for already prepared/enabled
in drm_panel") the formatting for a code block was not quite
right. This caused an error when building htmldocs:

  Documentation/gpu/todo.rst:469: ERROR: Unexpected indentation.

Fix the error by using the proper syntax for a code block.

Fixes: d2aacaf073 ("drm/panel: Check for already prepared/enabled in drm_panel")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/r/20230802141724.0edce253@canb.auug.org.au
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230802074727.2.Iaeb7b0f7951aee6b8c090364bbc87b1ae198a857@changeid
2023-08-03 10:21:27 +02:00
Douglas Anderson
d2aacaf073 drm/panel: Check for already prepared/enabled in drm_panel
In a whole pile of panel drivers, we have code to make the
prepare/unprepare/enable/disable callbacks behave as no-ops if they've
already been called. It's silly to have this code duplicated
everywhere. Add it to the core instead so that we can eventually
delete it from all the drivers. Note: to get some idea of the
duplicated code, try:
  git grep 'if.*>prepared' -- drivers/gpu/drm/panel
  git grep 'if.*>enabled' -- drivers/gpu/drm/panel

NOTE: arguably, the right thing to do here is actually to skip this
patch and simply remove all the extra checks from the individual
drivers. Perhaps the checks were needed at some point in time in the
past but maybe they no longer are? Certainly as we continue
transitioning over to "panel_bridge" then we expect there to be much
less variety in how these calls are made. When we're called as part of
the bridge chain, things should be pretty simple. In fact, there was
some discussion in the past about these checks [1], including a
discussion about whether the checks were needed and whether the calls
ought to be refcounted. At the time, I decided not to mess with it
because it felt too risky.

Looking closer at it now, I'm fairly certain that nothing in the
existing codebase is expecting these calls to be refcounted. The only
real question is whether someone is already doing something to ensure
prepare()/unprepare() match and enabled()/disable() match. I would say
that, even if there is something else ensuring that things match,
there's enough complexity that adding an extra bool and an extra
double-check here is a good idea. Let's add a drm_warn() to let people
know that it's considered a minor error to take advantage of
drm_panel's double-checking but we'll still make things work fine.

We'll also add an entry to the official DRM todo list to remove the
now pointless check from the panels after this patch lands and,
eventually, fixup anyone who is triggering the new warning.

[1] https://lore.kernel.org/r/20210416153909.v4.27.I502f2a92ddd36c3d28d014dd75e170c2d405a0a5@changeid

Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230727101636.v4.2.I59b417d4c29151cc2eff053369ec4822b606f375@changeid
2023-08-01 07:35:36 -07:00
Geert Uytterhoeven
66f9f21646 drm/todo: Convert list of fbconv links to footnotes
Convert the references to fbconv links to footnotes, so they can be
navigated.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/0761f98d3b6f8df9eea977eae063e35b450fda9e.1689779916.git.geert+renesas@glider.be
2023-07-29 21:25:15 +02:00
Geert Uytterhoeven
755d20ebc4 drm/todo: Add atomic modesetting references
The section about converting existing KMS drivers to atomic modesetting
mentions the existence of a conversion guide, but does not reference it.
While the guide is old and rusty, it still contains useful information,
so add a link to it.  Also link to the LWN.net articles that give an
overview about the atomic mode setting design.

While at it, remove the reference to unconverted virtual HW drivers, as
they've been converted.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/6809d0fda0716892cbccf0ee272481032251026d.1689779916.git.geert+renesas@glider.be
2023-07-29 21:25:14 +02:00
Danilo Krummrich
e6303f323b drm: manager to keep track of GPUs VA mappings
Add infrastructure to keep track of GPU virtual address (VA) mappings
with a decicated VA space manager implementation.

New UAPIs, motivated by Vulkan sparse memory bindings graphics drivers
start implementing, allow userspace applications to request multiple and
arbitrary GPU VA mappings of buffer objects. The DRM GPU VA manager is
intended to serve the following purposes in this context.

1) Provide infrastructure to track GPU VA allocations and mappings,
   using an interval tree (RB-tree).

2) Generically connect GPU VA mappings to their backing buffers, in
   particular DRM GEM objects.

3) Provide a common implementation to perform more complex mapping
   operations on the GPU VA space. In particular splitting and merging
   of GPU VA mappings, e.g. for intersecting mapping requests or partial
   unmap requests.

Acked-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Tested-by: Matthew Brost <matthew.brost@intel.com>
Tested-by: Donald Robson <donald.robson@imgtec.com>
Suggested-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230720001443.2380-2-dakr@redhat.com
2023-07-20 05:15:53 +02:00
Christian König
09593216bf drm: execution context for GEM buffers v7
This adds the infrastructure for an execution context for GEM buffers
which is similar to the existing TTMs execbuf util and intended to replace
it in the long term.

The basic functionality is that we abstracts the necessary loop to lock
many different GEM buffers with automated deadlock and duplicate handling.

v2: drop xarray and use dynamic resized array instead, the locking
    overhead is unnecessary and measurable.
v3: drop duplicate tracking, radeon is really the only one needing that.
v4: fixes issues pointed out by Danilo, some typos in comments and a
    helper for lock arrays of GEM objects.
v5: some suggestions by Boris Brezillon, especially just use one retry
    macro, drop loop in prepare_array, use flags instead of bool
v6: minor changes suggested by Thomas, Boris and Danilo
v7: minor typos pointed out by checkpatch.pl fixed

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Danilo Krummrich <dakr@redhat.com>
Tested-by: Danilo Krummrich <dakr@redhat.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230711133122.3710-2-christian.koenig@amd.com
2023-07-12 14:14:20 +02:00
Mario Limonciello
649663af73 drm/amd: Add documentation for how to flash a dGPU
The flashing process for dGPUs uses sysfs files in a
non-obvious way, so document it for users.

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-07-07 13:51:47 -04:00
Thomas Zimmermann
701d2054fa fbdev: Make support for userspace interfaces configurable
Add Kconfig option CONFIG_FB_DEVICE and make the virtual fbdev
device optional. If the new option has not been selected, fbdev
does not create files in devfs, sysfs or procfs.

Most modern Linux systems run a DRM-based graphics stack that uses
the kernel's framebuffer console, but has otherwise deprecated fbdev
support. Yet fbdev userspace interfaces are still present.

The option makes it possible to use the fbdev subsystem as console
implementation without support for userspace. This closes potential
entry points to manipulate kernel or I/O memory via framebuffers. It
also prevents the execution of driver code via ioctl or sysfs, both
of which might allow malicious software to exploit bugs in the fbdev
code.

A small number of fbdev drivers require struct fbinfo.dev to be
initialized, usually for the support of sysfs interface. Make these
drivers depend on FB_DEVICE. They can later be fixed if necessary.

v3:
	* effect -> affect in Kconfig help (Daniel)
v2:
	* set FB_DEVICE default to y (Geert)
	* comment on {get,put}_device() (Sam)
	* Kconfig fixes (Sam)
	* add TODO item about FB_DEVICE dependencies (Sam)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-39-tzimmermann@suse.de
2023-06-27 09:58:51 +02:00
Jani Nikula
f6757dfcfd drm/doc: fix duplicate declaration warning
We have duplicate kernel-doc directives for the same struct, leading to:

/home/jani/src/linux/Documentation/gpu/driver-uapi.rst:2279: WARNING: Duplicate C declaration, also defined at rfc/i915_scheduler:3.
Declaration is '.. c:struct:: i915_context_engines_parallel_submit'.

Use the Sphinx C domain namespace for the rfc document to fix this.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230621123156.14907-1-jani.nikula@intel.com
2023-06-26 19:43:14 +03:00
Thomas Zimmermann
de8a334f21 Merge drm/drm-next into drm-misc-next
Backmerging into drm-misc-next to get commit 2c1c7ba457
("drm/amdgpu: support partition drm devices"), which is required to fix
commit 0adec22702 ("drm: Remove struct drm_driver.gem_prime_mmap").

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2023-06-19 16:33:14 +02:00
Thomas Zimmermann
0adec22702 drm: Remove struct drm_driver.gem_prime_mmap
All drivers initialize this field with drm_gem_prime_mmap(). Call
the function directly and remove the field. Simplifies the code and
resolves a long-standing TODO item.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230613150441.17720-3-tzimmermann@suse.de
2023-06-19 13:56:40 +02:00
Dave Airlie
901bdf5ea1 Merge tag 'amd-drm-next-6.5-2023-06-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.5-2023-06-02:

amdgpu:
- SR-IOV fixes
- Warning fixes
- Misc code cleanups and spelling fixes
- DCN 3.2 updates
- Improved DC FAMS support for better power management
- Improved DC SubVP support for better power management
- DCN 3.1.x fixes
- Max IB size query
- DC GPU reset fixes
- RAS updates
- DCN 3.0.x fixes
- S/G display fixes
- CP shadow buffer support
- Implement connector force callback
- Z8 power improvements
- PSP 13.0.10 vbflash support
- Mode2 reset fixes
- Store MQDs in VRAM to improve queue switch latency
- VCN 3.x fixes
- JPEG 3.x fixes
- Enable DC_FP on LoongArch
- GFXOFF fixes
- GC 9.4.3 partition support
- SDMA 4.4.2 partition support
- VCN/JPEG 4.0.3 partition support
- VCN 4.0.3 updates
- NBIO 7.9 updates
- GC 9.4.3 updates
- Take NUMA into account when allocating memory
- Handle NUMA for partitions
- SMU 13.0.6 updates
- GC 9.4.3 RAS updates
- Stop including unused swiotlb.h
- SMU 13.0.7 fixes
- Fix clock output ordering on some APUs
- Clean up DC FPGA code
- GFX9 preemption fixes
- Misc irq fixes
- S0ix fixes
- Add new DRM_AMDGPU_WERROR config parameter to help with CI
- PCIe fix for RDNA2
- kdoc fixes
- Documentation updates

amdkfd:
- Query TTM mem limit rather than hardcoding it
- GC 9.4.3 partition support
- Handle NUMA for partitions

radeon:
- Fix possible double free
- Stop including unused swiotlb.h
- Fix possible division by zero

ttm:
- Add query for TTM mem limit
- Add NUMA awareness to pools
- Export ttm_pool_fini()

UAPI:
- Add new ctx query flag to better handle GPU resets
  Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22290
- Add new interface to query and set shadow buffer for RDNA3
  Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21986
- Add new INFO query for max IB size
  Proposed userspace: https://gitlab.freedesktop.org/bnieuwenhuizen/mesa/-/commits/ib-rejection-v3

amd-drm-next-6.5-2023-06-09:

amdgpu:
- S0ix fixes
- Initial SMU13 Overdrive support
- kdoc fixes
- Misc clode cleanups
- Flexible array fixes
- Display OTG fixes
- SMU 13.0.6 updates
- Revert some broken clock counter updates
- Misc display fixes
- GFX9 preemption fixes
- Add support for newer EEPROM bad page table format
- Add missing radeon secondary id
- Add support for new colorspace KMS API
- CSA fix
- Stable pstate fixes for APUs
- make vbl interface admin only
- Handle PCI accelerator class

amdkfd:
- Add debugger support for gdb

radeon:
- Fix possible UAF

drm:
- Add Colorspace functionality

UAPI:
- Add debugger interface for enabling gdb
  Proposed userspace: https://github.com/ROCm-Developer-Tools/ROCdbgapi/tree/wip-dbgapi
- Add KMS colorspace API
  Discussion: https://lists.freedesktop.org/archives/dri-devel/2023-June/408128.html

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609174817.7764-1-alexander.deucher@amd.com
2023-06-15 14:11:22 +10:00
Mario Limonciello
e5edd9ab0e drm/amd: Update driver-misc.html for Rembrandt-R
AMD has added marketing information publicly for Rembrandt-R, so
update the APU table with matching versions.

Link: https://www.amd.com/en/product/13086
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 10:40:22 -04:00
Mario Limonciello
c0dba2d34a drm/amd: Update driver-misc.html for Dragon Range
AMD has added marketing information publicly for Dragon Range, so
update the APU table with matching versions.

Link: https://www.amd.com/en/product/13016
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 10:40:10 -04:00
Mario Limonciello
ea2a50ae3d drm/amd: Update driver-misc.html for Phoenix
AMD has added marketing information publicly for Phoenix, so
update the APU table with matching versions.

Link: https://www.amd.com/en/product/13036
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 10:40:06 -04:00
Rob Clark
90d63a150b drm/doc: Relax fdinfo string constraints
The restriction about no whitespace, etc, really only applies to the
usage of strings in keys.  Values can contain anything (other than
newline).

Signed-off-by: Rob Clark <robdclark@chromium.org>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-8-robdclark@gmail.com
2023-05-24 18:03:33 +02:00
Rob Clark
686b21b5f6 drm: Add fdinfo memory stats
Add support to dump GEM stats to fdinfo.

v2: Fix typos, change size units to match docs, use div_u64
v3: Do it in core
v4: more kerneldoc
v5: doc fixes
v6: Actually use u64, bit more comment docs

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-6-robdclark@gmail.com
2023-05-24 18:03:30 +02:00
Rob Clark
3f09a0cd4e drm: Add common fdinfo helper
Handle a bit of the boiler-plate in a single case, and make it easier to
add some core tracked stats.  This also ensures consistent behavior
across drivers for standardised fields.

v2: Update drm-usage-stats.rst, 64b client-id, rename drm_show_fdinfo
v3: Rebase on drm-misc-next

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-3-robdclark@gmail.com
2023-05-24 18:03:26 +02:00
Rob Clark
0020582a8a drm/docs: Fix usage stats typos
Fix a couple missing ':'s.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-2-robdclark@gmail.com
2023-05-24 18:03:25 +02:00
Maíra Canal
5aaa12873d drm/vkms: drop "Rotation" TODO
Now that VKMS supports all values of rotation and reflection, drop the
"Rotation" task from the TODO list.

Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20230418130525.128733-7-mcanal@igalia.com
2023-05-08 09:57:24 -03:00
Rodrigo Vivi
40aeab044a drm/doc/rfc: Introduce the merge plan for the Xe driver.
Let’s establish a merge plan for Xe, by writing down clear pre-merge goals, in
order to avoid unnecessary delays.

This initial document starts with a TODO list containing items with clear and
measurable key results. Xe’s initial pull request should only be sent to
dri-devel after all the items are clearly resolved.

Since many of them involve some level of a community consensus, in many cases,
the consensus will be reached in follow-up patches to this document with more
details of the API or helpers that will be developed or modified.

Besides of the items that are highlighted in this document, it is important
to highlight that Oded, has been volunteered to give the overall ack on Xe
driver as the way to confirm that it looks good for upstream.

v2: Incorporated Daniel's feedback:
    - Do not make long-running compute a blocker.
    - Add a mention to drm-exec that that ties to vm_bind and long-running
      compute jobs. Then I also added GPUVA since I recently noticed that this
      ties also to the work Matt is doing on that front.
    - Added the devcoredump section.
    - Add the mention to Oded being volunteered for the overall ack.

v3: Reword a bit the Async VM_BIND to incorporate Daniel's feedback on ensuring
    the async vmbind consensus explicitly include Mesa, besides other kernel
    drivers.

Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Signed-off-by: Luis Strano <luis.strano@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230419191913.158807-1-rodrigo.vivi@intel.com
2023-04-26 23:59:00 -04:00
Maíra Canal
09c2c8c94b drm/vkms: drop full alpha blending TODO
Now that VKMS supports full alpha blending on all planes, drop the
"ARGB format on primary plane" and "Full alpha blending on all planes"
tasks from the TODO list.

Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Arthur Grillo <arthurgrillo@riseup.net>
Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20230420232228.273340-2-mcanal@igalia.com
2023-04-26 17:25:14 -03:00
Maíra Canal
c91acda3a3 drm/gem: Check for valid formats
Currently, drm_gem_fb_create() doesn't check if the pixel format is
supported, which can lead to the acceptance of invalid pixel formats
e.g. the acceptance of invalid modifiers. Therefore, add a check for
valid formats on drm_gem_fb_create().

Note that this check is only valid for atomic drivers, because, for
non-atomic drivers, checking drm_any_plane_has_format() is not
possible since the format list for the primary plane is fake, and we'd
therefore reject valid formats.

Adding this check to drm_gem_fb_create() will guarantee that the
igt@kms_addfb_basic@addfb25-bad-modifier IGT test passes for drivers
using this callback.

This commit is a recapture of a series sent a while ago. Initially,
I sent a patch [1] similar to this one in which I introduced the
format check to drm_gem_fb_create().

Based on the feedback on the patch, I placed the check inside
framebuffer_check() [2] so that it wouldn't be needed to hit any
driver-specific code path when the check fails. Therefore, we could
remove the check from the specific drivers (i915, amdgpu, and vmwgfx).

But, with some new feedback, it was shown that introducing this check
inside framebuffer_check() is problematic for the i915 driver [3].
For the i915 driver, in the legacy case, in which we don't get the
modifier from the userspace, i915's fb_create hook computes the right
modifier, which isn't necessarily linear.  Therefore, if we check the
modifier before that point, we might get wrong answers.

So, I kept the check inside the i915 driver and removed the check from
amdgpu and vmwgfx [4]. But, this yet hasn't solved the i915 problem [5].

As we cannot add the check inside framebuffer_check() without
affecting the i915 behavior, this commit went back to the original
patch. This way we can guarantee a more uniform behavior from the
drivers that use the drm_gem_fb_create() callback.

[1] https://lore.kernel.org/dri-devel/20230103125322.855089-1-mcanal@igalia.com/T/
[2] https://lore.kernel.org/dri-devel/20230109105807.18172-1-mcanal@igalia.com/T/
[3] https://lore.kernel.org/dri-devel/Y8AAdW2y7zN7DCUZ@intel.com/
[4] https://lore.kernel.org/dri-devel/20230113112743.188486-1-mcanal@igalia.com/T/
[5] https://lore.kernel.org/dri-devel/Y8FXWvEhO7GCRKVJ@intel.com/

Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20230412142923.136707-1-mcanal@igalia.com
2023-04-19 20:19:27 -03:00
Dave Airlie
90031bc33f Merge tag 'amd-drm-next-6.4-2023-03-17' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.4-2023-03-17:

amdgpu:
- Misc code cleanups
- Documentation fixes
- Make kobj structures const
- Add thermal throttling adjustments for supported APUs
- UMC RAS fixes
- Display reset fixes
- DCN 3.2 fixes
- Freesync fixes
- DC code reorg
- Generalize dmabuf import to work with KFD
- DC DML fixes
- SRIOV fixes
- UVD code cleanups
- IH 4.4.2 updates
- HDP 4.4.2 updates
- SDMA 4.4.2 updates
- PSP 13.0.6 updates
- Add capped/uncapped workload handling for supported APUs
- DCN 3.1.4 updates
- Re-org DC Kconfig
- USB4 fixes
- Reorg DC plane and stream handling
- Register vga_switcheroo for apple-gmux
- SMU 13.0.6 updates
- Fix error checking in read_mm_registers functions for affected families
- VCN 4.0.4 fix
- Drop redundant pci_enable_pcie_error_reporting() call
- RDNA2 SMU OD suspend/resume fix
- Expose additional memory stats via fdinfo
- RAS fixes
- Misc display fixes
- DP MST fixes
- IOMMU regression fix for KFD

amdkfd:
- Make kobj structures const
- Support for exporting buffers via dmabuf
- Multi-VMA page migration fixes
- NBIO fixes
- Misc code cleanups
- Fix possible double free
- Fix possible UAF

radeon:
- iMac fix

UAPI:
- KFD dmabuf export support.  Required for importing KFD buffers into GEM contexts and for RDMA P2P support.
  Proposed user mode changes: https://github.com/fxkamd/ROCT-Thunk-Interface/commits/fxkamd/dmabuf

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230317164416.138340-1-alexander.deucher@amd.com
2023-03-20 16:44:36 +10:00
David Tadokoro
8bf0d9cdf3 drm/amd/display: add prefix to amdgpu_dm_plane.h functions
The amdgpu_dm_plane.h functions didn't have names that indicated where
they were declared.

To better filter results in debug tools like ftrace, prefix these
functions with 'amdgpu_dm_plane_'.

Note that we may want to make this same change in other files like
amdgpu_dm_crtc.h.

Signed-off-by: David Tadokoro <davidbtadokoro@usp.br>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-03-08 14:04:45 -05:00
Linus Torvalds
a5c95ca18a Merge tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
 "There are a bunch of changes all over in the usual places.

  Highlights:

   - habanalabs moves from misc to accel

   - first accel driver for Intel VPU (Versatile Processing Unit)
     inference engine

   - dropped all the ancient legacy DRI1 drivers. I think it's been at
     least 10 years since anyone has heard about these.

   - Intel DG2 updates and prelim Meteorlake enablement

   - etnaviv adds support for Versilicon NPU device (a GPU like engine
     with inference accelerators)

  Detailed summary:

  Removals:
   - remove legacy dri1 drivers: i810, mga, r128, savage, sis, tdfx, via

  New driver:
   - intel VPU accelerator driver
   - habanalabs comes via drm tree now

  drm/core:
   - use drm_dbg_ helpers in several places
   - Document defaults for CRTC backgrounds
   - Document use of drm_minor

  edid:
   - improve mode parsing and refactoring

  connector:
   - support analog TV mode property

  media:
   - add some common formats

  udmabuf:
   - add vmap/vunmap methods

  fourcc:
   - add XRGB1555 and RGB565 formats
   - document open source user waiver

  firmware:
   - fix color-format selection for system framebuffer

  format-helper:
   - Add conversion from XRGB8888 to various sysfb formats
   - Make XRGB8888 the only driver-emulated legacy format
   - Add conversion from XRGB8888 to XBGR8888 and ABGR8888

  fb-helper:
   - fix preferred depth and bpp values across drivers
   - Avoid blank consoles from selecting an incorrect color format

  probe-helper:
   - Enable/disable HPD on connectors

  scheduler:
   - Fix lockup in drm_sched_entity_kill()
   - Deprecate drm_sched_resubmit_jobs()

  bridge:
   - remove unused functions
   - implement i2c probe_new in various drivers
   - ite-it6505: Locking fixes, Cache EDID data
   - ite-it66121: Support IT6610 chip
   - lontium-tl9611: Fix HDMI on DragonBoard 845c
   - parade-ps8640: Use atomic bridge functions
   - Support i.MX93 LDB plus DT bindings

  debugfs:
   - add per device helpers and convert drivers

  displayport:
   - mst fixes
   - add DP adaptive sync DPCD definitions

  fbdev:
   - always pick 32bpp as default
   - remove some unused code

  simpledrm:
   - support system memory framebuffers

  panel:
   - add orientation quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50
   - Use ktime_get_boottime() to measure power-down delay
   - Fix auto-suspend delay
   - Visionox VTDR6130 AMOLED DSI
   - Support Himax HX8394
   - Convert many drivers to common generic DSI write-sequence helper
   - AUO A030JTN01

  ttm:
   - drop bo wait wrapper
   - fix MIPS build

  habanalabs:
   - moved driver to accel subsystem
   - gaudi2 decoder error improvement
   - more trace events
   - Gaudi2 abrupt reset by firmware support
   - add uAPI to flush memory transactions
   - add uAPI to pass through userspace reqs to fw
   - remove dma-buf export by handle

  amdgpu:
   - add new INFO queries for peak and min sclk/mclk for profile modes
   - Add PCIe info to the INFO IOCTL
   - secure display support for multiple displays
   - DML optimizations
   - DCN 3.2 updates
   - PSR updates
   - DP 2.1 updates
   - SR-IOV RAS updates
   - VCN RAS support
   - SMU 13.x updates
   - Switch 1 element arrays to flexible arrays
   - Add RAS support for DF 4.3
   - Stack size improvements
   - S0ix rework
   - Allow 0 as a vram limit on APUs
   - Handle profiling modes for SMU13.x
   - Fix possible segfault in failure case
   - Rework FW requests to happen in early_init for all IPs so that we
     don't lose the sbios console if FW is missing
   - Fix power reporting on certain firmwares for CZN/RN
   - Allow S0ix without BIOS support
   - Enable freesync over PCon
   - Re-enable the AGP aperture on GMC 11.x

  amdkfd:
   - Error handling fixes
   - PASID fixes
   - Fix for cleared VRAM BOs
   - Fix cleanup if GPUVM creation fails
   - Memory accounting fix
   - Use resource_size rather than open codeing it
   - GC11 mGPU fix

  radeon:
   - Switch 1 element arrays to flexible arrays
   - Fix memory leak on shutdown
   - move to new logging

  i915:
   - Meteorlake display/OA/GSC fw/workarounds enabling
   - DP MST DSC support
   - Gamma/degamma readout support for the state checker
   - Enable SDP split support for DP 2.0
   - Add probe blocking support to i915.force_probe parameter
   - Enable Xe HP 4tile support
   - Avoid display direct calls to uncore
   - Fix HuC delayed load memory leaks
   - Add DG2 workarounds Wa_18018764978 and Wa_18019271663
   - Improve suspend / resume times with VT-d scanout workaround active
   - Fix DG2 visual corruption on small BAR systems by not forgetting to
     copy CCS aux state
   - Fix TLB invalidation for Gen12.50 video and compute engines
   - Enable HF-EEODB by switching HDMI, DP and LVDS to use struct
     drm_edid
   - Start using unversioned DMC firmware paths for new platforms
   - ELD refactor: Stop using hardware buffer, precompute ELD
   - lots of display code refactoring

  nouveau:
   - drop legacy ioctl support
   - replace 0-sized array

  msm:
   - dpu/dsi/mdss: Support for SM8350, SM8450 SM8550 and SC8280XP platform
   - Added bindings for SM8150
   - dpu: Partial support for DSC on SM8150 and SM8250
   - dpu: Fixed color transformation matrix being lost on suspend/resume
   - dp: Support SDM845 and SC8280XP platforms
   - dp: Support for limiting DP link rate via DT property
   - dsi: Validate display modes according to the DSI OPP table
   - dsi: DSI PHY support for the SM6375 platform
   - Add MSM_SUBMIT_BO_NO_IMPLICI
   - a2xx: Support to load legacy firmware
   - a6xx: GPU devcore dump updates for a650/a660
   - GPU devfreq tuning and fixes
   - Turn 8960 HDMI PHY into clock provider,
   - Make 8960 HDMI PHY use PXO clock from DT

  etnaviv:
   - experimental versilicon NPU support
   - report GPU load via fdinfo format
   - MMU fault message improvements

  tegra:
   - rework syncpoint interrupt

  mediatek:
   - DSI timing fix
   - fix config deps

  ast:
   - various fixes

  exynos:
   - restore bridge chain order fixes

  gud:
   - convert to shadow plane buffers
   - perform flushing synchronously during atomic update
   - Use new debugfs helpers

  arm/hdlcd:
   - Use new debugfs helper

  ili9486:
   - Support 16-bit pixel data

  imx:
   - Split off IPUv3 driver

  mipi-dbi:
   - convert to DRM shadow-plane helpers
   - rsp driver changes
   - Support separate I/O-voltage supply

  mxsfb:
   - Depend on ARCH_MXS or ARCH_MXC

  sun4i:
   - convert to new TV mode property

  vc4:
   - convert to new TV mode property
   - kunit tests
   - Support RGB565 and RGB666 formats
   - convert dsi driver to bridge
   - Various HVS an CRTC fixes

  v3d:
   - Do not opencode drm_gem_object_lookup()

  virtio:
   - improve tracing

  vkms:
   - support small cursors in IGT tests
   - Fix SEGFAULT from incorrect GEM-buffer mapping

  rcar-du:
   - fixes and improvements"

* tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm: (1455 commits)
  msm/fbdev: fix unused variable warning with clang.
  drm/fb-helper: Remove drm_fb_helper_unprepare() from drm_fb_helper_fini()
  dma-buf: make kobj_type structure constant
  drm/shmem-helper: Fix locking for drm_gem_shmem_get_pages_sgt()
  drm/amd/display: disable SubVP + DRR to prevent underflow
  drm/amd/display: Fail atomic_check early on normalize_zpos error
  drm/amd/pm: avoid unaligned access warnings
  drm/amd/display: avoid unaligned access warnings
  drm/amd/display: Remove duplicate/repeating expressions
  drm/amd/display: Remove duplicate/repeating expression
  drm/amd/display: Make variables declaration inside ifdef guard
  drm/amd/display: Fix excess arguments on kernel-doc
  drm/amd/display: Add previously missing includes
  drm/amd/amdgpu: Add function prototypes to headers
  drm/amd/display: Add function prototypes to headers
  drm/amd/display: Turn global functions into static
  drm/amd/display: remove unused _calculate_degamma_curve function
  drm/amd/display: remove unused func declaration from resource headers
  drm/amd/display: unset initial value for tf since it's never used
  drm/amd/display: camel case cleanup in color_gamma file
  ...
2023-02-22 18:28:03 -08:00
Dave Airlie
7dd1be30f0 Merge tag 'amd-drm-next-6.3-2023-01-20' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.3-2023-01-20:

amdgpu:
- Secure display fixes
- Fix scaling
- Misc code cleanups
- Display BW alloc logic updates
- DCN 3.2 fixes
- Fix power reporting on certain firmwares for CZN/RN
- SR-IOV fixes
- Link training cleanup and code rework
- HDCP fixes
- Reserved VMID fix
- Documentation updates
- Colorspace fixes
- RAS updates
- GC11.0 fixes
- VCN instance harvesting fixes
- DCN 3.1.4/5 workarounds for S/G displays
- Add PCIe info to the INFO IOCTL

amdkfd:
- XNACK fix

UAPI:
- Add PCIe gen/lanes info to the amdgpu INFO IOCTL
  Nesa ultimately plans to use this to make decisions about buffer placement optimizations
  Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20790

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230120234523.7610-1-alexander.deucher@amd.com
2023-01-25 12:07:53 +10:00
SeongJae Park
941c95fdd6 Docs/subsystem-apis: Remove '[The ]Linux' prefixes from titles of listed documents
Some documents that listed on subsystem-apis have 'Linux' or 'The Linux'
title prefixes.  It's duplicated information, and makes finding the
document of interest with human eyes not easy.  Remove the prefixes from
the titles.

Signed-off-by: SeongJae Park <sj@kernel.org>
Acked-by: Iwona Winiarska <iwona.winiarska@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20230122184834.181977-1-sj@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-01-24 15:27:08 -07:00
Alex Deucher
b4a9b36e69 Documentation/gpu: update dGPU asic info table
Update to the latest launched dGPUs.

Link: https://www.amd.com/en/graphics/radeon-rx-graphics
Link: https://www.amd.com/en/graphics/amd-radeon-rx-laptops
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19 17:24:26 -05:00
Mario Limonciello
350ae9ec3f Documentation/gpu: Add Raphael to apu-asic-info-table
Raphael launched in 2022 but was missed to add to this table.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19 17:24:25 -05:00
Mario Limonciello
7b785c47c9 Documentation/gpu: Add Mendocino to apu-asic-info-table
Mendocino launched in 2023 and uses the new naming scheme for APU
processors.

Link: https://community.amd.com/t5/corporate/announcing-new-model-numbers-for-2023-mobile-processors/ba-p/543985
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19 17:24:25 -05:00
Mario Limonciello
e0d06733c7 Documentation/gpu: Update lines for GREEN_SARDINE and YELLOW_CARP
These products have launched, so add matching codenames.

Also AMD has announced that both of these products have new refresh
variants that launch in 2023 using the new naming scheme, so add
that information.

Link: https://community.amd.com/t5/corporate/announcing-new-model-numbers-for-2023-mobile-processors/ba-p/543985
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19 17:24:25 -05:00
Mario Limonciello
7bdcc67cf2 Documentation/gpu: Add MP0 version to apu-asic-info-table
MP0 version is useful to know to figure out which firmware is intended
for a platform.  Add a column for all supported APUs.

v2: squash in column fix (Mario)

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19 17:24:25 -05:00
Daniel Vetter
03a0a10408 Merge tag 'drm-misc-next-2023-01-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v6.3:

UAPI Changes:

 * connector: Support analog-TV mode property
 * media: Add MEDIA_BUS_FMT_RGB565_1X24_CPADHI,
   MEDIA_BUS_FMT_RGB666_1X18 and MEDIA_BUS_FMT_RGB666_1X24_CPADHI

Cross-subsystem Changes:

 * dma-buf: Documentation fixes
 * i2c: Introduce i2c_client_get_device_id() helper

Core Changes:

 * Improve support for analog TV output
 * bridge: Remove unused drm_bridge_chain functions
 * debugfs: Add per-device helpers and convert various DRM drivers
 * dp-mst: Various fixes
 * fbdev emulation: Always pick 32 bpp as default
 * KUnit: Add tests for managed helpers; Various cleanups
 * panel-orientation: Add quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50
 * TTM: Open-code ttm_bo_wait() and remove the helper

Driver Changes:

 * Fix preferred depth and bpp values throughout DRM drivers
 * Remove #CONFIG_PM guards throughout DRM drivers
 * ast: Various fixes
 * bridge: Implement i2c's probe_new in various drivers; Fixes; ite-it6505:
   Locking fixes, Cache EDID data; ite-it66121: Support IT6610 chip,
   Cleanups; lontium-tl9611: Fix HDMI on DragonBoard 845c; parade-ps8640:
   Use atomic bridge functions
 * gud: Convert to DRM shadow-plane helpers; Perform flushing synchronously
   during atomic update
 * ili9486: Support 16-bit pixel data
 * imx: Split off IPUv3 driver; Various fixes
 * mipi-dbi: Convert to DRM shadow-plane helpers plus rsp driver changes;i
   Support separate I/O-voltage supply
 * mxsfb: Depend on ARCH_MXS or ARCH_MXC
 * omapdrm: Various fixes
 * panel: Use ktime_get_boottime() to measure power-down delay in various
   drivers; Fix auto-suspend delay in various drivers; orisetech-ota5601a:
   Add support
 * sprd: Cleanups
 * sun4i: Convert to new TV-mode property
 * tidss: Various fixes
 * v3d: Various fixes
 * vc4: Convert to new TV-mode property; Support Kunit tests; Cleanups;
   dpi: Support RGB565 and RGB666 formats; dsi: Convert DSI driver to
   bridge
 * virtio: Improve tracing
 * vkms: Support small cursors in IGT tests; Various fixes

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/Y7QIwlfElAYWxRcR@linux-uq9g
2023-01-04 14:59:25 +01:00
Daniel Vetter
f422fa7cd8 Merge tag 'drm-misc-next-2022-11-24' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 6.2:

Cross-subsystem Changes:
- fbdev: Make fb_modesetting_disabled() static
- udmabuf: Add vmap and vunmap methods to udmabuf_ops

Core Changes:
- doc: make drm-uapi igt-tests more readable
- fb-helper: Revert of the damage worker removal
- fourcc: Add missing big-endian XRGB1555 and RGB565 formats
- gem-shmem: Fix for resource leakage in __drm_gem_shmem_create()
- scheduler: Fix lockup in drm_sched_entity_kill()

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20221124074615.ahflw5q5ktfdsr7k@houat
2023-01-03 09:48:04 +01:00
Maíra Canal
941aae3263 drm/todo: update the debugfs clean up task
The structs drm_debugfs_info and drm_debugfs_entry introduced a new
debugfs structure to DRM, centered on drm_device instead of drm_minor.
Therefore, remove the tasks related to create a new device-centered
debugfs structure and add a new task to replace the use of
drm_debugfs_create_files() for the use of drm_debugfs_add_file() and
drm_debugfs_add_files().

Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20221219120621.15086-8-mcanal@igalia.com
2022-12-22 15:11:31 -03:00
Maxime Ripard
76f34f1377 drm/vc4: Improve the KUnit documentation
The command-line can be expressed using a code-block, and we were
missing which architectures were available.

Suggested-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20221208094727.2848310-1-maxime@cerno.tech
2022-12-15 08:54:08 +01:00
Dave Stevenson
e373cdbe50 drm/bridge: Document the expected behaviour of DSI host controllers
The exact behaviour of DSI host controllers is not specified,
therefore define it.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20221205173328.1395350-7-dave.stevenson@raspberrypi.com
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-12-08 09:56:57 +01:00
Maxime Ripard
5304c8e601 Documentation: gpu: vc4: Add KUnit Tests Section
Now that we have VC4-specific tests in place, let's document them
properly.

Reviewed-by: Maíra Canal <mcanal@igalia.com>
Link: https://lore.kernel.org/r/20221123-rpi-kunit-tests-v3-20-4615a663a84a@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-12-08 09:56:56 +01:00
Alex Deucher
57f019864b drm/amdgpu: add GART, GPUVM, and GTT to glossary
Add definitions to clarify GPU virtual memory.

v2: clarify the terms a bit more

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Suggested-by: Peter Maucher <bellosilicio@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20221201214153.8453-1-alexander.deucher@amd.com
2022-12-02 10:05:33 -05:00
Peter Maucher
fed58c70bb drm/amdgpu: mention RDNA support in docu
The amdgpu kernel module has supported RDNA for a while,
mention that in the module description.

v2: Add CDNA as well (Alex)

Signed-off-by: Peter Maucher <bellosilicio@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-12-01 15:21:53 -05:00
Maxime Ripard
b99070c07b drm/doc: Fix title underline length
The underline length for the new Analog TV properties section doesn't
match the title length, resulting in a warning.

Fixes: 7d63cd8526 ("drm/connector: Add TV standard property")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20221128081938.742410-1-maxime@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-12-01 11:12:44 +01:00
Randy Dunlap
3d271e2e0a drm/amdgpu: update docum. filename following rename
Fix documentation build errors for amdgpu: correct the filename.

Error: Cannot open file ../drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
Error: Cannot open file ../drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
Error: Cannot open file ../drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c

WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -sphinx-version 5.3.0 -function MMU Notifier ../drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c' failed with return code 1
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -sphinx-version 5.3.0 -internal ../drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c' failed with return code 2

Fixes: d9483ecd32 ("drm/amdgpu: rename the files for HMM handling")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-11-29 11:03:39 -05:00
Maxime Ripard
7d63cd8526 drm/connector: Add TV standard property
The TV mode property has been around for a while now to select and get the
current TV mode output on an analog TV connector.

Despite that property name being generic, its content isn't and has been
driver-specific which makes it hard to build any generic behaviour on top
of it, both in kernel and user-space.

Let's create a new enum tv norm property, that can contain any of the
analog TV standards currently supported by kernel drivers. Each driver can
then pass in a bitmask of the modes it supports, and the property
creation function will filter out the modes not supported.

We'll then be able to phase out the older tv mode property.

Tested-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
Acked-in-principle-or-something-like-that-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://lore.kernel.org/r/20220728-rpi-analog-tv-properties-v10-5-256dad125326@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-11-24 12:42:39 +01:00
Thomas Zimmermann
1e5b3968a5 Merge drm/drm-next into drm-misc-next
Backmerging to get v6.1-rc6 into drm-misc-next.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2022-11-24 09:28:05 +01:00
Randy Dunlap
0964b52296 drm/doc: make drm-uapi igt-tests more readable
Correct grammar and make the use of the igt-tests more readable.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Gabriela Bittencourt <gabrielabittencourt00@gmail.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: dri-devel@lists.freedesktop.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20221118235137.6859-1-rdunlap@infradead.org
2022-11-23 20:34:46 +01:00