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All GuC ABI definitions are unsigned and not defining as unsigned is
causing build errors [1].
[1] https://lore.kernel.org/all/20240123111235.3097079-1-geert@linux-m68k.org/
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240131025424.2087936-1-matthew.brost@intel.com
(cherry picked from commit d83d8ae275c6bf87506b71b8a1acd98452137dc5)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
HuC authentication via GSC is performed by submitting the appropriate
PXP packet to the GSC FW. This packet can trigger a "pending" reply from
the FW, so we need to handle that and resubmit. Note that the auth via
GSC can only be performed if the HuC has already been authenticated by
the GuC.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Alan Previn <alan.previn.teres.alexis@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Vivaik Balasubrawmanian <vivaik.balasubrawmanian@intel.com>
Reviewed-by: Vivaik Balasubrawmanian <vivaik.balasubrawmanian@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Refer to already described CTB Descriptor and CTB HXG Message.
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20231128203203.1147-2-michal.wajdeczko@intel.com
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The version is obtained via a dedicated MKHI GSC HECI command.
The compatibility version is what we want to match against for the GSC,
so we need to call the FW version checker after obtaining the version.
Since this is the first time we send a GSC HECI command via the GSCCS,
this patch also introduces common infrastructure to send such commands
to the GSC. Communication with the GSC FW is done via input/output
buffers, whose addresses are provided via a GSCCS command. The buffers
contain a generic header and a client-specific packet (e.g. PXP, HDCP);
the clients don't care about the header format and/or the GSCCS command
in the batch, they only care about their client-specific header. This
patch therefore introduces helpers that allow the callers to
automatically fill in the input header, submit the GSCCS job and decode
the output header, to make it so that the caller only needs to worry about
their client-specific input and output messages.
v3: squash of 2 separate patches ahead of merge, so that the common
functions and their first user are added at the same time
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Alan Previn <alan.previn.teres.alexis@intel.com>
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.Com> #v1
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Xe, is a new driver for Intel GPUs that supports both integrated and
discrete platforms starting with Tiger Lake (first Intel Xe Architecture).
The code is at a stage where it is already functional and has experimental
support for multiple platforms starting from Tiger Lake, with initial
support implemented in Mesa (for Iris and Anv, our OpenGL and Vulkan
drivers), as well as in NEO (for OpenCL and Level0).
The new Xe driver leverages a lot from i915.
As for display, the intent is to share the display code with the i915
driver so that there is maximum reuse there. But it is not added
in this patch.
This initial work is a collaboration of many people and unfortunately
the big squashed patch won't fully honor the proper credits. But let's
get some git quick stats so we can at least try to preserve some of the
credits:
Co-developed-by: Matthew Brost <matthew.brost@intel.com>
Co-developed-by: Matthew Auld <matthew.auld@intel.com>
Co-developed-by: Matt Roper <matthew.d.roper@intel.com>
Co-developed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Co-developed-by: Francois Dugast <francois.dugast@intel.com>
Co-developed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Co-developed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Co-developed-by: Philippe Lecluse <philippe.lecluse@intel.com>
Co-developed-by: Nirmoy Das <nirmoy.das@intel.com>
Co-developed-by: Jani Nikula <jani.nikula@intel.com>
Co-developed-by: José Roberto de Souza <jose.souza@intel.com>
Co-developed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Co-developed-by: Dave Airlie <airlied@redhat.com>
Co-developed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Co-developed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Co-developed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
