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Diffstat (limited to 'Documentation/gpu/i915.rst')
| -rw-r--r-- | Documentation/gpu/i915.rst | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst index 465779670fd4..f1bae7867045 100644 --- a/Documentation/gpu/i915.rst +++ b/Documentation/gpu/i915.rst @@ -415,6 +415,15 @@ Object Tiling IOCTLs .. kernel-doc:: drivers/gpu/drm/i915/gem/i915_gem_tiling.c :doc: buffer object tiling +Microcontrollers +================ + +Starting from gen9, three microcontrollers are available on the HW: the +graphics microcontroller (GuC), the HEVC/H.265 microcontroller (HuC) and the +display microcontroller (DMC). The driver is responsible for loading the +firmwares on the microcontrollers; the GuC and HuC firmwares are transferred +to WOPCM using the DMA engine, while the DMC firmware is written through MMIO. + WOPCM ----- @@ -454,6 +463,15 @@ GuC Address Space .. kernel-doc:: drivers/gpu/drm/i915/gt/uc/intel_guc.c :doc: GuC Address Space +HuC +--- +.. kernel-doc:: drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c + :doc: HuC Firmware + +DMC +--- +See `CSR firmware support for DMC`_ + Tracing ======= |