UAPI Changes:
- Add support for drm colorop pipeline.
- Add COLOR PIPELINE plane property.
- Add DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE.
Cross-subsystem Changes:
- Attempt to use higher order mappings in system heap allocator.
- Always taint kernel with sw-sync.
Core Changes:
- Small fixes to drm/gem.
- Support emergency restore to drm-client.
- Allocate and release fb_info in single place.
- Rework ttm pipelined eviction fence handling.
Driver Changes:
- Support the drm color pipeline in vkms, amdgfx.
- Add NVJPG driver for tegra.
- Assorted small fixes and updates to rockchip, bridge/dw-hdmi-qp,
panthor.
- Add ASL CS5263 DP-to-HDMI simple bridge.
- Add and improve support for G LD070WX3-SL01 MIPI DSI, Samsung LTL106AL0,
Samsung LTL106AL01, Raystar RFF500F-AWH-DNN, Winstar WF70A8SYJHLNGA,
Wanchanglong w552946aaa, Samsung SOFEF00, Lenovo X13s panel.
- Add support for it66122 to it66121.
- Support mali-G1 gpu in panthor.
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Merge tag 'drm-misc-next-2025-12-01-1' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
Extra drm-misc-next for v6.19-rc1:
UAPI Changes:
- Add support for drm colorop pipeline.
- Add COLOR PIPELINE plane property.
- Add DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE.
Cross-subsystem Changes:
- Attempt to use higher order mappings in system heap allocator.
- Always taint kernel with sw-sync.
Core Changes:
- Small fixes to drm/gem.
- Support emergency restore to drm-client.
- Allocate and release fb_info in single place.
- Rework ttm pipelined eviction fence handling.
Driver Changes:
- Support the drm color pipeline in vkms, amdgfx.
- Add NVJPG driver for tegra.
- Assorted small fixes and updates to rockchip, bridge/dw-hdmi-qp,
panthor.
- Add ASL CS5263 DP-to-HDMI simple bridge.
- Add and improve support for G LD070WX3-SL01 MIPI DSI, Samsung LTL106AL0,
Samsung LTL106AL01, Raystar RFF500F-AWH-DNN, Winstar WF70A8SYJHLNGA,
Wanchanglong w552946aaa, Samsung SOFEF00, Lenovo X13s panel.
- Add support for it66122 to it66121.
- Support mali-G1 gpu in panthor.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/aa5cbd50-7676-4a59-bbed-e8428af86804@linux.intel.com
Device specific VFIO driver variant for Xe will implement VF migration.
Export everything that's needed for migration ops.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251127093934.1462188-4-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
(cherry picked from commit 17f22465c5a5573724c942ca7147b4024631ef87)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Add "DRM_COLOROP_1D_CURVE_GAMMA22" and DRM_COLOROP_1D_CURVE_GAMMA22_INV
subtypes to drm_colorop of DRM_COLOROP_1D_CURVE.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-51-alex.hung@amd.com
It is to be used to enable HDR by allowing userpace to create and pass
3D LUTs to kernel and hardware.
new drm_colorop_type: DRM_COLOROP_3D_LUT.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-46-alex.hung@amd.com
Not all HW will be able to do bypass on all color
operations. Introduce an 32 bits 'flags' for all colorop
init functions and DRM_COLOROP_FLAG_ALLOW_BYPASS for creating
the BYPASS property when it's true.
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-45-alex.hung@amd.com
We want to make sure userspace is aware of the 1D LUT
interpolation. While linear interpolation is common it
might not be supported on all HW. Give driver implementers
a way to specify their interpolation.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-44-alex.hung@amd.com
This introduces a new drm_colorop_type: DRM_COLOROP_MULTIPLIER.
It's a simple multiplier to all pixel values. The value is
specified via a S31.32 fixed point provided via the
"MULTIPLIER" property.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-41-alex.hung@amd.com
We've previously introduced DRM_COLOROP_1D_CURVE for
pre-defined 1D curves. But we also have HW that supports
custom curves and userspace needs the ability to pass
custom curves, aka LUTs.
This patch introduces a new colorop type, called
DRM_COLOROP_1D_LUT that provides a SIZE property which
is used by a driver to advertise the supported SIZE
of the LUT, as well as a DATA property which userspace
uses to set the LUT.
DATA and size function in the same way as current drm_crtc
GAMMA and DEGAMMA LUTs.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Co-developed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-38-alex.hung@amd.com
Add helper to extract lut values in 32-bit precision needed by
hardware.
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-37-alex.hung@amd.com
Existing LUT precision structure drm_color_lut has only 16 bit
precision. This is not enough for upcoming enhanced hardwares
and advance usecases like HDR processing. Hence added a new
structure with 32 bit precision values.
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-36-alex.hung@amd.com
The BT.709 and BT.2020 OETFs are the same, the only difference
being that the BT.2020 variant is defined with more precision
for 10 and 12-bit per color encodings.
Both are used as encoding functions for video content, and are
therefore defined as OETF (opto-electronic transfer function)
instead of as EOTF (electro-optical transfer function).
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-34-alex.hung@amd.com
The PQ function defines a mapping of code values to nits (cd/m^2).
The max code value maps to 10,000 nits.
Windows DWM's canonical composition color space (CCCS) defaults
to composing SDR contents to 80 nits and uses a float value of
1.0 to represent this. For this reason AMD HW hard-codes a PQ
function that is scaled by 125, yielding 80 nit PQ values for
1.0 and 10,000 nits at 125.0.
This patch introduces this scaled PQ EOTF and its inverse as
1D curve types.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-32-alex.hung@amd.com
Create a new macro for_each_new_colorop_in_state to access new
drm_colorop_state updated from uapi.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-25-alex.hung@amd.com
Drivers will need to know whether an atomic check/commit
originated from a client with DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE
so they can ignore deprecated properties, like COLOR_ENCODING
and COLOR_RANGE.
Pass the plane_color_pipeline bit to drm_atomic_state.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-24-alex.hung@amd.com
This type is used to support a 3x4 matrix in colorops. A 3x4
matrix uses the last column as a "bias" column. Some HW exposes
support for 3x4. The calculation looks like:
out matrix in
|R| |0 1 2 3 | | R |
|G| = |4 5 6 7 | x | G |
|B| |8 9 10 11| | B |
|1.0|
This is also the first colorop where we need a blob property to
program the property. For that we'll introduce a new DATA
property that can be used by all colorop TYPEs requiring a
blob. The way a DATA blob is read depends on the TYPE of
the colorop.
We only create the DATA property for property types that
need it.
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-19-alex.hung@amd.com
The functions are to clean up color pipeline when a device driver
fails to create its color pipeline.
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-14-alex.hung@amd.com
With the introduction of the pre-blending color pipeline we
can no longer have color operations that don't have a clear
position in the color pipeline. We deprecate all existing
plane properties. For upstream drivers those are:
- COLOR_ENCODING
- COLOR_RANGE
Drivers are expected to ignore these properties when
programming the HW. DRM clients that register with
DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE will not be allowed to
set the COLOR_ENCODING and COLOR_RANGE properties.
Setting of the COLOR_PIPELINE plane property or drm_colorop
properties is only allowed for userspace that sets this
client cap.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-12-alex.hung@amd.com
We're adding a new enum COLOR PIPELINE property. This
property will have entries for each COLOR PIPELINE by
referencing the DRM object ID of the first drm_colorop
of the pipeline. 0 disables the entire COLOR PIPELINE.
Userspace can use this to discover the available color
pipelines, as well as set the desired one. The color
pipelines are programmed via properties on the actual
drm_colorop objects.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-11-alex.hung@amd.com
We'll construct color pipelines out of drm_colorop by
chaining them via the NEXT pointer. NEXT will point to
the next drm_colorop in the pipeline, or by 0 if we're
at the end of the pipeline.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-9-alex.hung@amd.com
We want to be able to bypass each colorop at all times.
Introduce a new BYPASS boolean property for this.
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-8-alex.hung@amd.com
Add a new drm_colorop with DRM_COLOROP_1D_CURVE with two subtypes:
DRM_COLOROP_1D_CURVE_SRGB_EOTF and DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF.
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Co-developed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-7-alex.hung@amd.com
Add a read-only TYPE property. The TYPE specifies the colorop
type, such as enumerated curve, 1D LUT, CTM, 3D LUT, PWL LUT,
etc.
For now we're only introducing an enumerated 1D LUT type to
illustrate the concept.
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-6-alex.hung@amd.com
This patches introduces a new drm_colorop mode object. This
object represents color transformations and can be used to
define color pipelines.
We also introduce the drm_colorop_state here, as well as
various helpers and state tracking bits.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-5-alex.hung@amd.com
CTM values are defined as signed-magnitude values. Add
a helper that converts from CTM signed-magnitude fixed
point value to the twos-complement value used by
drm_fixed.
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-2-alex.hung@amd.com
Until now ttm stored a single pipelined eviction fence which means
drivers had to use a single entity for these evictions.
To lift this requirement, this commit allows up to 8 entities to
be used.
Ideally a dma_resv object would have been used as a container of
the eviction fences, but the locking rules makes it complex.
dma_resv all have the same ww_class, which means "Attempting to
lock more mutexes after ww_acquire_done." is an error.
One alternative considered was to introduced a 2nd ww_class for
specific resv to hold a single "transient" lock (= the resv lock
would only be held for a short period, without taking any other
locks).
The other option, is to statically reserve a fence array, and
extend the existing code to deal with N fences, instead of 1.
The driver is still responsible to reserve the correct number
of fence slots.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Link: https://lore.kernel.org/r/20251121101315.3585-20-pierre-eric.pelloux-prayer@amd.com
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Move the calls to drm_fb_helper_alloc_info() from drivers into a
single place in fbdev helpers. Allocates struct fb_info for a new
framebuffer device. Then call drm_fb_helper_single_fb_probe() to
create an fbdev screen buffer. Also release the instance on errors
by calling drm_fb_helper_release_info().
Simplifies the code and fixes the error cleanup for some of the
drivers.
Regular release of the struct fb_info instance still happens in
drm_fb_helper_fini() as before.
v2:
- remove error rollback in driver implementations (kernel test robot)
- initialize info in TTM implementation (kernel test robot)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Christian König <christian.koenig@amd.com> # radeon
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> # msm
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patch.msgid.link/20251027081245.80262-1-tzimmermann@suse.de
Move the sysrq functionality from DRM fbdev helpers to the DRM device
and in-kernel clients, so that it becomes available on all clients.
DRM fbdev helpers support emergency restoration of the console output
via a special key combination. Press SysRq+v to replace the current
compositor with the kernel's output on the framebuffer console. This
allows users to see the log messages during system emergencies.
By moving the functionality from fbdev helpers to the DRM device, any
in-kernel client can serve as emergency output. This can be used to
bring up drm_log, for example.
Each DRM device registers itself to the list of possible sysrq handlers.
On receiving SysRq+v, the DRM core goes over all registered devices and
restores an in-kernel DRM client for each of them.
See Documentation/admin-guide/sysrq.rst on how to invoke SysRq. Switch
VTs to bring back the user-space compositor.
v2:
- declare placeholders as 'static inline' (kernel test robot)
- fix grammar in commit description
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patch.msgid.link/20251110154616.539328-3-tzimmermann@suse.de
Add force parameter to client restore and pass value through the
layers. The only currently used value is false.
If force is true, the client should restore its display even if it
does not hold the DRM master lock. This is be required for emergency
output, such as sysrq.
While at it, inline drm_fb_helper_lastclose(), which is a trivial
wrapper around drm_fb_helper_restore_fbdev_mode_unlocked().
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patch.msgid.link/20251110154616.539328-2-tzimmermann@suse.de
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Merge tag 'v6.18-rc6' into drm-next
Linux 6.18-rc6
Backmerge in order to merge msm next
Signed-off-by: Dave Airlie <airlied@redhat.com>
Rust
- Make slice::as_flattened usable on all supported versions of rustc.
- Add FromBytes::from_bytes_prefix() method.
Core Changes:
- Update Tyr in MAINTAINERS file.
- Remove redundant device ptr from Rust GEM object.
- Change how AlwaysRefCounted is implemented for GEM objects.
- Add deferred vm_bo cleanup to GPUVM and use it in Panthor.
Driver Changes:
Nova Core
- Introduction of bitfield! macro, with support for different storage sizes
and custom visibility.
- Introduction of safe converters between integer types for which the
conversion is lossless.
- GSP initialized up to fully booted state on Ampere.
- Use more future-proof register for GPU identification.
- Various simplifications and optimizations.
Nova
- Select NOVA_CORE.
- Depend on CONFIG_64BIT.
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Merge tag 'drm-rust-next-2025-11-18' of https://gitlab.freedesktop.org/drm/rust/kernel into drm-next
Cross-subsystem Changes:
Rust
- Make slice::as_flattened usable on all supported versions of rustc.
- Add FromBytes::from_bytes_prefix() method.
Core Changes:
- Update Tyr in MAINTAINERS file.
- Remove redundant device ptr from Rust GEM object.
- Change how AlwaysRefCounted is implemented for GEM objects.
- Add deferred vm_bo cleanup to GPUVM and use it in Panthor.
Driver Changes:
Nova Core
- Introduction of bitfield! macro, with support for different storage sizes
and custom visibility.
- Introduction of safe converters between integer types for which the
conversion is lossless.
- GSP initialized up to fully booted state on Ampere.
- Use more future-proof register for GPU identification.
- Various simplifications and optimizations.
Nova
- Select NOVA_CORE.
- Depend on CONFIG_64BIT.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/aRxtJC0D1pQUepF4@google.com
drm-misc-next for v6.19:
UAPI Changes:
- Add sysfs entries, coredump support and uevents to QAIC.
- Add fdinfo memory statistics to ivpu.
Cross-subsystem Changes:
- Handle stub fence initialization during module init.
- Stop using system_wq in scheduler and drivers.
Core Changes:
- Documentation updates to ttm, vblank.
- Add EDID quirk for sharp panel.
- Use drm_crtc_vblank_(crtc,waitqueue) more in core and drivers.
Driver Changes:
- Small updates and fixes to panfrost, amdxdna, vmwgfx, ast, ivpu.
- Handle preemption in amdxdna.
- Add PM support to qaic.
- Huge refactor of sun4i's layer code to decouple plane code from output
and improve support for DE33.
- Add larger page and compression support to nouveau.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/1ad3ea69-d029-4a21-8b3d-6b264b1b2a30@linux.intel.com
Limit number of jobs per exec queue (Shuicheng)
Add sriov_admin sysfs tree (Michal)
Driver Changes:
Fix an uninitialized value (Thomas)
Expose a residency counter through debugfs (Mohammed Thasleem)
Workaround enabling and improvement (Tapani, Tangudu)
More Crescent Island-specific support (Sk Anirban, Lucas)
PAT entry dump improvement (Xin)
Inline gt_reset in the worker (Lucas)
Synchronize GT reset with device unbind (Balasubramani)
Do clean shutdown also when using flr (Jouni)
Fix serialization on burst of unbinds (Matt Brost)
Pagefault Refactor (Matt Brost)
Remove some unused code (Gwan-gyeong)
Avoid TOCTOU when montoring throttle reasons (Lucas)
Add/extend workaround (Nitin)
SRIOV migration work / plumbing (Michal Wajdeczko, Michal Winiarski, Lukasz)
Drop debug flag requirement for VF resource fixup
Fix MTL vm_max_level (Rodrigo)
Changes around TILE_ADDR_RANGE for platform compatibility
(Fei, Lucas)
Add runtime registers for GFX ver >= 35 (Piotr)
Kerneldoc fix (Kriish)
Rework pcode error mapping (Lucas)
Allow lockdown the PF (Michal)
Eliminate GUC code caching of some frequency values (Sk)
Improvements around forcewake referencing (Matt Roper)
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Merge tag 'drm-xe-next-2025-11-14' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
Driver Changes:
Avoid TOCTOU when montoring throttle reasons (Lucas)
Add/extend workaround (Nitin)
SRIOV migration work / plumbing (Michal Wajdeczko, Michal Winiarski, Lukasz)
Drop debug flag requirement for VF resource fixup
Fix MTL vm_max_level (Rodrigo)
Changes around TILE_ADDR_RANGE for platform compatibility
(Fei, Lucas)
Add runtime registers for GFX ver >= 35 (Piotr)
Kerneldoc fix (Kriish)
Rework pcode error mapping (Lucas)
Allow lockdown the PF (Michal)
Eliminate GUC code caching of some frequency values (Sk)
Improvements around forcewake referencing (Matt Roper)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patch.msgid.link/aRcJOrisG2qPbucE@fedora
Extend struct dw_hdmi_qp_plat_data to include the supported display
output formats and maximum bits per color channel. When provided by the
platform driver, use them to setup the HDMI bridge accordingly.
Additionally, improve debug logging in dw_hdmi_qp_bridge_atomic_enable()
to also show the current HDMI output format and bpc.
Acked-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20251021-rk3588-10bpc-v3-2-3d3eed00a6db@collabora.com
When INTEL_BMG_G21_IDS were added as a subplatform, token concatenation
operator usage was omitted, making INTEL_BMG_IDS not usable with
single-argument macros.
Fix that by adding the missing operator.
Fixes: 78de8f8766 ("drm/xe: Handle Wa_22010954014 and Wa_14022085890 as device workarounds")
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-25-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
It is possible to force a specific version of python to be used when
building the kernel by passing PYTHON3= on the make command line.
However kernel-doc.py is currently called with python3 hard-coded and
thus ignores this setting.
Use $(PYTHON3) to run $(KERNELDOC) so that the desired version of
python is used.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://patch.msgid.link/20251107192933.2bfe9e57@endymion
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
drm-misc-next for v6.19-rc1:
UAPI Changes:
- Add userptr support to ivpu.
- Add IOCTL's for resource and telemetry data in amdxdna.
Core Changes:
- Improve some atomic state checking handling.
- drm/client updates.
- Use forward declarations instead of including drm_print.h
- RUse allocation flags in ttm_pool/device_init and allow specifying max
useful pool size and propagate ENOSPC.
- Updates and fixes to scheduler and bridge code.
- Add support for quirking DisplayID checksum errors.
Driver Changes:
- Assorted cleanups and fixes in rcar-du, accel/ivpu, panel/nv3052cf,
sti, imxm, accel/qaic, accel/amdxdna, imagination, tidss, sti,
panthor, vkms.
- Add Samsung S6E3FC2X01 DDIC/AMS641RW, Synaptics TDDI series DSI,
TL121BVMS07-00 (IL79900A) panels.
- Add mali MediaTek MT8196 SoC gpu support.
- Add etnaviv GC8000 Nano Ultra VIP r6205 support.
- Document powervr ge7800 support in the devicetree.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/5afae707-c9aa-4a47-b726-5e1f1aa7a106@linux.intel.com
drm/i915 feature pull for v6.19:
Features and functionality:
- Enable LNL+ content adaptive sharpness filter (CASF) (Nemesa)
- Use optimized VRR guardband (Ankit, Ville)
- Enable Xe3p LT PHY (Suraj)
- Enable FBC support for Xe3p_LPD display (Sai Teja, Vinod)
- Specify DMC firmware for display version 30.02 (Dnyaneshwar)
- Report reason for disabling PSR to debugfs (Michał)
- Extend i915_display_info with Type-C port details (Khaled)
- Log DSI send packet sequence errors and contents
Refactoring and cleanups:
- Refactoring to prepare for VRR guardband optimization (Ankit)
- Abstract VRR live status wait (Ankit)
- Refactor VRR and DSB timing to handle Set Context Latency explicitly (Ankit)
- Helpers for prefill latency calculations (Ville)
- Refactor SKL+ watermark latency setup (Ville)
- VRR refactoring and cleanups (Ville)
- SKL+ universal plane cleanups (Ville)
- Decouple CDCLK from state->modeset refactor (Ville)
- Refactor VLV/CHV clock functions (Jani)
- Refactor fbdev handling (Jani)
- Call i915 and xe runtime PM from display via function pointers (Jouni)
- IRQ code refactoring (Jani)
- Drop display dependency on i915 feature check macros (Jani)
- Refactor and unify i915 and xe stolen memory interfaces towards display (Jani)
- Switch to driver agnostic drm to display pointer chase (Jani)
- Use display version over graphics version in display code (Matt A)
- GVT cleanups (Jonathan, Andi)
- Rename a VLV clock function to unify (Michał)
- Explicitly sanitize DMC package header num entries (Luca)
- Remove redundant port clock check from ALPM (Jouni)
- Use sysfs_emit() instead of sprintf() in PMU sysfs (Madhur Kumar)
- Clean up C20 PHY PLL register macros (Imre, Mika))
- Abstract "address in MMIO table" helper for general use (Matt A)
- Improve VRR platform abstractions (Ville)
- Move towards more standard PCI PM code usage (Ville)
- Framebuffer refactoring (Ville)
- Drop display dependency on i915_utils.h (Jani)
- Include cleanups (Jani)
Fixes:
- Workaround docking station DSC issues with high pixel clock and bpp (Imre)
- Fix Panel Replay in DSC mode (Imre)
- Disable tracepoints for PREEMPT_RT as a workaround (Maarten)
- Fix intel_crtc_get_vblank_counter() on PREEMPT_RT (Maarten)
- Fix C10 PHY identification on PTL/WCL (Dnyaneshwar)
- Take AS SDP into account with optimized guardband (Jouni)
- Fix panic structure allocation memory leak (Jani)
- Adjust an FBC workaround platforms (Vinod)
- Add fallback for CDCLK selection (Naladala)
- Avoid using invalid transcoder in MST transport select (Suraj)
- Don't use cursor size reduction on display version 14+ (Nemesa)
- Fix C20 PHY PLL register programming (Imre, Mika)
- Fix PSR frontbuffer flush handling (Jouni)
- Store ALPM parameters in crtc state (Jouni)
- Defeature DRRS on LNL+ (Ville)
- Fix the scope of the large DRAM DIMM workaround (Ville)
- Fix PICA vs. AUX power ordering issue (Gustavo)
- Fix pixel rate for computing watermark line time (Ville)
- Fix framebuffer set_tiling vs. addfb race (Ville)
- DMC event handler fixes (Ville)
DRM Core:
- CRTC sharpness strength property (Nemesa)
- DPCD DSC quirk for Synaptics Panamera devices (Imre)
- Helpers to query the branch DSC max throughput/line-width (Imre)
Merges:
- Backmerge drm-next for v6.18-rc and to sync with drm-xe-next (Jani)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/ec5a05f2df6d597a62033ee2d57225cce707b320@intel.com
We have differing implementations for display runtime pm in i915 and xe
drivers. Add struct of function pointers into display_parent_interface
which will contain used implementation of runtime pm.
v2:
- add _interface suffix to rpm function pointer struct
- add struct ref_tracker forward declaration
- use kernel-doc comments
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patch.msgid.link/20251030202836.1815680-3-jouni.hogander@intel.com
Let's gradually start calling i915 and xe parent, or core, drivers from
display via function pointers passed at display probe.
Going forward, the struct intel_display_parent_interface is expected to
include const pointers to sub-structs by functionality, for example:
struct intel_display_rpm {
struct ref_tracker *(*get)(struct drm_device *drm);
/* ... */
};
struct intel_display_parent_interface {
/* ... */
const struct intel_display_rpm *rpm;
};
This is a baby step towards not building display as part of both i915
and xe drivers, but rather making it an independent driver interfacing
with the two.
v3: useless include additions dropped
v2: unrelated include removal dropped
Cc: Jouni Högander <jouni.hogander@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patch.msgid.link/20251030202836.1815680-2-jouni.hogander@intel.com
More xe3p support (Harish, Brian, Balasubramani, Matt Roper)
Make panic support work on VRAM for display (Maarten)
Fix stolen size check (Shuicheng)
xe_pci_test update (Gustavo)
VF migration updates (Tomasz)
A couple of fixes around allocation and PM references (Matt Brost)
Migration update for the MEM_COPY instruction (Matt Auld)
Initial CRI support (Balasubramani, Matt Roper)
Use SVM range helpers in PT layer (Matt Brost)
Drop MAX_GT_TYPE_CHARS constant (Matt Roper)
Fix spelling and typos (Sanjay)
Fix VF FLR synchronization between all GTs (Michal)
Add a Workaround (Nitin)
Access VF's register using dedicated MMIO view (Michal)
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Merge tag 'drm-xe-next-2025-10-28' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
Driver Changes:
More xe3p support (Harish, Brian, Balasubramani, Matt Roper)
Make panic support work on VRAM for display (Maarten)
Fix stolen size check (Shuicheng)
xe_pci_test update (Gustavo)
VF migration updates (Tomasz)
A couple of fixes around allocation and PM references (Matt Brost)
Migration update for the MEM_COPY instruction (Matt Auld)
Initial CRI support (Balasubramani, Matt Roper)
Use SVM range helpers in PT layer (Matt Brost)
Drop MAX_GT_TYPE_CHARS constant (Matt Roper)
Fix spelling and typos (Sanjay)
Fix VF FLR synchronization between all GTs (Michal)
Add a Workaround (Nitin)
Access VF's register using dedicated MMIO view (Michal)
Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patch.msgid.link/aQCl9uJxN6CWJ8Vg@fedora
Some graphics APIs differentiate between out-of-graphics-memory and
out-of-host-memory (system memory). Add a device init flag to have -ENOSPC
propagated from the resource managers instead of being converted to
-ENOMEM, to aid driver stacks in determining what error code to return or
whether corrective action can be taken at the driver level.
Co-developed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Link: https://lore.kernel.org/r/20251020115411.36818-7-tvrtko.ursulin@igalia.com
GPUs typically benefit from contiguous memory via reduced TLB pressure and
improved caching performance, where the maximum size of contiguous block
which adds a performance benefit is related to hardware design.
TTM pool allocator by default tries (hard) to allocate up to the system
MAX_PAGE_ORDER blocks. This varies by the CPU platform and can also be
configured via Kconfig.
If that limit was set to be higher than the GPU can make an extra use of,
lets allow the individual drivers to let TTM know over which allocation
order can the pool allocator afford to make a little bit less effort with.
We implement this by disabling direct reclaim for those allocations, which
reduces the allocation latency and lowers the demands on the page
allocator, in cases where expending this effort is not critical for the
GPU in question.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Thadeu Lima de Souza Cascardo <cascardo@igalia.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Link: https://lore.kernel.org/r/20251020115411.36818-5-tvrtko.ursulin@igalia.com
Multiple consecutive boolean function arguments are usually not very
readable.
Replace the ones in ttm_device_init() with flags with the additional
benefit of soon being able to pass in more data with just a one off
code base churning cost.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Sui Jingfeng <suijingfeng@loongson.cn>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Zack Rusin <zack.rusin@broadcom.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Zack Rusin <zack.rusin@broadcom.com>
Acked-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> # For xe
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Link: https://lore.kernel.org/r/20251020115411.36818-4-tvrtko.ursulin@igalia.com
[tursulin: fixup checkpatch while applying]
Multiple consecutive boolean function arguments are usually not very
readable.
Replace the ones in ttm_pool_init() with flags with the additional
benefit of soon being able to pass in more data with just this one
code base churning cost.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Link: https://lore.kernel.org/r/20251020115411.36818-3-tvrtko.ursulin@igalia.com
The ttm/ttm_resource.h header does not really need anything from
drm_print.h. A simple forward declaration for struct drm_printer is
sufficient.
An explicit drm_print.h include has previously been added to all the
files that indirectly depended on this include.
v3: Only remove the include here (Thomas)
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/cfdb1095033112c2a7e58767481c98929984a33c.1761734313.git.jani.nikula@intel.com
Dave Airlie