drm/xe/irq: Separate MSI and MSI-X flows

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A new flow is added for devices that support MSI-X:
- MSI-X vector 0 is used for GuC-to-host interrupt
- MSI-X vector 1 (aka default MSI-X) is used for HW engines

The default MSI-X will be passed to the HW engines in a subsequent
patch.

Signed-off-by: Ilia Levi <ilia.levi@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241213072538.6823-2-ilia.levi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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Ilia Levi 2024-12-13 09:25:35 +02:00 • committed by Rodrigo Vivi

parent 4d79a1266d

commit da889070be

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5 changed files with 237 additions and 36 deletions

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4

drivers/gpu/drm/xe/xe_device.c

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3

drivers/gpu/drm/xe/xe_device.h

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6

drivers/gpu/drm/xe/xe_device_types.h

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267

drivers/gpu/drm/xe/xe_irq.c

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3

drivers/gpu/drm/xe/xe_irq.h

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