[Intel-gfx] [PATCH v2 00/16] drm/i915: Redo old gmch irq handling

[Ville Syrjälä]

On Fri, Aug 18, 2017 at 09:36:49PM +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Reposted GMCH irq rework series. A few patches fell out completely
> since the flip interrupt handling was nuked in the meantime. I also
> added a patch to remove some more flip irq leftover, and I tossed in
> a patch to reinstate GMBUS/AUX irqs on gen4/g4x since we no longer
> use MSI there. I also reordered things a bit to move the HWSTAM stuff
> towards the end of the series.
> 
> Entire series available here:
> git://github.com/vsyrjala/linux.git gmch_irq_redo_3
> 
> Ville Syrjälä (16):
>   drm/i915: Don't enable/unmask flip interrupts
>   drm/i915: Clear pipestat consistently
>   drm/i915: s/GEN5/GEN3/
>   drm/i915: Use GEN3_IRQ_RESET/INIT on gen3/4
>   drm/i915: Introduce GEN2_IRQ_RESET/INIT
>   drm/i915: Setup EMR first on all gen2-4
>   drm/i915: Eliminate PORT_HOTPLUG_EN setup from gen3/4 irq_postinstall
>   drm/i915: Unify the appearance of gen3/4 irq_postistall hooks
>   drm/i915: Remove NULL dev_priv checks from irq_uninstall
>   drm/i915: Extract PIPESTAT irq handling into separate functions
>   drm/i915: Rewrite GMCH irq handlers to avoid loops
>   drm/i915: Gen3 HWSTAM is actually 32 bits

Above patches above pushed to dinq. Thanks for the reviews.

>   drm/i915: Mask everything in ring HWSTAM on gen6+ in ringbuffer mode
>   drm/i915: Clean up the HWSTAM mess
>   drm/i915: Remove duplicated irq_preinstall/uninstall hooks
>   drm/i915: Reinstate GMBUS and AUX interrupts on gen4/g4x

And these remain to be reviewed. Also I have one more PIPESTAT related
fix I need to send out.

> 
>  drivers/gpu/drm/i915/i915_drv.h         |   8 +-
>  drivers/gpu/drm/i915/i915_irq.c         | 729 ++++++++++++--------------------
>  drivers/gpu/drm/i915/i915_pci.c         |   6 -
>  drivers/gpu/drm/i915/intel_ringbuffer.c |   3 +
>  4 files changed, 284 insertions(+), 462 deletions(-)
> 
> -- 
> 2.13.0

-- 
Ville Syrjälä
Intel OTC