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4 Commits

Author SHA1 Message Date
Jeffrey Hugo
830f3f27a3 accel/qaic: Add documentation for AIC100 accelerator driver 
The Qualcomm Cloud AI 100 (AIC100) device is an Artificial Intelligence
accelerator PCIe card. It contains a number of components both in the
SoC and on the card which facilitate running workloads:

QSM: management processor
NSPs: workload compute units
DMA Bridge: dedicated data mover for the workloads
MHI: multiplexed communication channels
DDR: workload storage and memory

The Linux kernel driver for AIC100 is called "QAIC" and is located in the
accel subsystem.

Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
Reviewed-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Acked-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1679932497-30277-2-git-send-email-quic_jhugo@quicinc.com
 2023-04-06 08:23:03 +02:00
Bagas Sanjaya
183ebe0355 Documentation: accel: escape wildcard in special file path 
Stephen Rothwell reported htmldocs warning then merging accel tree:

Documentation/accel/introduction.rst:72: WARNING: Inline emphasis start-string without end-string.

Sphinx confuses the file wildcards with inline emphasis (italics), hence
the warning.

Fix the warning by escaping wildcards.

Link: https://lore.kernel.org/linux-next/20230120132116.21de1104@canb.auug.org.au/
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
 2023-01-26 11:52:14 +02:00
Jeffrey Hugo
24444a9933 docs: accel: Fix debugfs path 
The device specific directory in debugfs does not have "accel".  For
example, the documentation says device 0 should have a debugfs entry as
/sys/kernel/debug/accel/accel0/ but in reality the entry is
/sys/kernel/debug/accel/0/

Fix the documentation to match the implementation.

Fixes: 8c5577a5cc ("doc: add documentation for accel subsystem")
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
 2023-01-26 11:52:14 +02:00
Oded Gabbay
8c5577a5cc doc: add documentation for accel subsystem 
Add an introduction section for the accel subsystem. Most of the
relevant data is in the DRM documentation, so the introduction only
presents the why of the new subsystem, how are the compute accelerators
exposed to user-space and what changes need to be done in a standard
DRM driver to register it to the new accel subsystem.

Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Tested-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
 2022-11-22 13:14:52 +02:00