drm/panthor: Implement soft reset via PWR_CONTROL

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Add helpers to issue reset commands through the PWR_CONTROL interface
and wait for reset completion using IRQ signaling. This enables support
for RESET_SOFT operations with timeout handling and status verification.

Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Karunika Choo <karunika.choo@arm.com>
Link: https://patch.msgid.link/20251125125548.3282320-6-karunika.choo@arm.com
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>

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Karunika Choo 2025-11-25 12:55:45 +00:00 • committed by Boris Brezillon

parent ee4f9af079

commit 9ee52f5cdc

2 changed files with 52 additions and 0 deletions

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50

drivers/gpu/drm/panthor/panthor_pwr.c

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2

drivers/gpu/drm/panthor/panthor_pwr.h

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