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drm/i915/mtl/gsc: Add a gsc_info debugfs

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Add a new debugfs to dump information about the GSC. This includes:

- the FW path and SW tracking status;
- the release, security and compatibility versions;
- the HECI1 status registers.

Note that those are the same registers that the mei driver dumps in
their own status sysfs on DG2 (where mei owns the GSC).

To make it simpler to loop through the status register, the code has
been update to use a PICK macro and the existing code using the regs had
been adapted to match.

v2: fix includes and copyright dates (Alan)
v3: actually fix the includes

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>
Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230612181529.2222451-5-daniele.ceraolospurio@intel.com
This commit is contained in:
Daniele Ceraolo Spurio
2023-06-12 11:15:29 -07:00
parent a6c13a23e9
commit 561055b810
9 changed files with 143 additions and 24 deletions
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3
drivers/gpu/drm/i915/Makefile
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@@ -196,7 +196,8 @@ i915-y += \
gt/uc/intel_gsc_fw.o \
gt/uc/intel_gsc_proxy.o \
gt/uc/intel_gsc_uc.o \
gt/uc/intel_gsc_uc_heci_cmd_submit.o\
gt/uc/intel_gsc_uc_debugfs.o \
gt/uc/intel_gsc_uc_heci_cmd_submit.o \
gt/uc/intel_guc.o \
gt/uc/intel_guc_ads.o \
gt/uc/intel_guc_capture.o \