51951ae7ed
v2: Rebase.
v3:
* Remove DPF, it has been removed from SKL+.
* Fix -internal rebase wrt. execlists interrupt handling.
v4: Rebase.
v5:
* Updated for POR changes. (Daniele Ceraolo Spurio)
* Merged with irq handling fixes by Daniele Ceraolo Spurio:
* Simplify the code by using gen8_cs_irq_handler.
* Fix interrupt handling for the upstream kernel.
v6:
* Remove early bringup debug messages (Tvrtko)
* Add NB about arbitrary spin wait timeout (Tvrtko)
v7 (from Paulo):
* Don't try to write RO bits to registers.
* Don't check for PCH types that don't exist. PCH interrupts are not
here yet.
v9:
* squashed in selector and shared register handling (Daniele)
* skip writing of irq if data is not valid (Daniele)
* use time_after32 (Chris)
* use I915_MAX_VCS and I915_MAX_VECS (Daniele)
* remove fake pm interrupt handling for later patch (Mika)
v10:
* Direct processing of banks. clear banks early (Chris)
* remove poll on valid bit, only clear valid bit (Mika)
* use raw accessors, better naming (Chris)
v11:
* adapt to raw_reg_[read|write]
* bring back polling the valid bit (Daniele)
v12:
* continue if unset intr_dw (Daniele)
* comment the usage of gen8_de_irq_handler bits (Daniele)
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180228101153.7224-2-mika.kuoppala@linux.intel.com
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