drm/xe: Add kernel doc for xe_hw_engine_lookup

kerneldoc was missing from earlier commit where
we exported xe_hw_engine_lookup. Add it.

Cc: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
Cc: intel-xe@lists.freedesktop.org
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240806153009.1081382-2-mika.kuoppala@linux.intel.com
This commit is contained in:
Mika Kuoppala 2024-08-06 18:30:09 +03:00 committed by Matthew Brost
parent dae5d79a3b
commit b62ef7e402

View File

@ -329,11 +329,11 @@ void xe_hw_engine_enable_ring(struct xe_hw_engine *hwe)
xe_hw_engine_mmio_write32(hwe, RING_HWSTAM(0), ~0x0);
xe_hw_engine_mmio_write32(hwe, RING_HWS_PGA(0),
xe_bo_ggtt_addr(hwe->hwsp));
xe_bo_ggtt_addr(hwe->hwsp));
xe_hw_engine_mmio_write32(hwe, RING_MODE(0),
_MASKED_BIT_ENABLE(GFX_DISABLE_LEGACY_MODE));
_MASKED_BIT_ENABLE(GFX_DISABLE_LEGACY_MODE));
xe_hw_engine_mmio_write32(hwe, RING_MI_MODE(0),
_MASKED_BIT_DISABLE(STOP_RING));
_MASKED_BIT_DISABLE(STOP_RING));
xe_hw_engine_mmio_read32(hwe, RING_MI_MODE(0));
}
@ -1173,6 +1173,16 @@ static const enum xe_engine_class user_to_xe_engine_class[] = {
[DRM_XE_ENGINE_CLASS_COMPUTE] = XE_ENGINE_CLASS_COMPUTE,
};
/**
* xe_hw_engine_lookup() - Lookup hardware engine for class:instance
* @xe: xe device
* @eci: engine class and instance
*
* This function will find a hardware engine for given engine
* class and instance.
*
* Return: If found xe_hw_engine pointer, NULL otherwise.
*/
struct xe_hw_engine *
xe_hw_engine_lookup(struct xe_device *xe,
struct drm_xe_engine_class_instance eci)