Merge tag 'drm-xe-next-fixes-2025-05-28' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
Driver Changes: - Two documentation fixes (Rodrigo) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com> Link: https://lore.kernel.org/r/aDc4Is-sQb3DPGO5@fedora
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@@ -16,6 +16,7 @@ DG2, etc is provided to prototype the driver.
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xe_migrate
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xe_cs
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xe_pm
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xe_gt_freq
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xe_pcode
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xe_gt_mcr
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xe_wa
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14
Documentation/gpu/xe/xe_gt_freq.rst
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14
Documentation/gpu/xe/xe_gt_freq.rst
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@@ -0,0 +1,14 @@
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.. SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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==========================
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Xe GT Frequency Management
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==========================
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.. kernel-doc:: drivers/gpu/drm/xe/xe_gt_freq.c
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:doc: Xe GT Frequency Management
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Internal API
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============
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.. kernel-doc:: drivers/gpu/drm/xe/xe_gt_freq.c
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:internal:
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@@ -32,13 +32,18 @@
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* Xe's Freq provides a sysfs API for frequency management:
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*
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* device/tile#/gt#/freq0/<item>_freq *read-only* files:
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*
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* - act_freq: The actual resolved frequency decided by PCODE.
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* - cur_freq: The current one requested by GuC PC to the PCODE.
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* - rpn_freq: The Render Performance (RP) N level, which is the minimal one.
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* - rpa_freq: The Render Performance (RP) A level, which is the achiveable one.
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* Calculated by PCODE at runtime based on multiple running conditions
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* - rpe_freq: The Render Performance (RP) E level, which is the efficient one.
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* Calculated by PCODE at runtime based on multiple running conditions
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* - rp0_freq: The Render Performance (RP) 0 level, which is the maximum one.
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*
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* device/tile#/gt#/freq0/<item>_freq *read-write* files:
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*
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* - min_freq: Min frequency request.
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* - max_freq: Max frequency request.
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* If max <= min, then freq_min becomes a fixed frequency request.
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