On Fri, Jun 12, 2020 at 03:17:31PM +0300, Imre Deak wrote:
Atm, hotplug interrupts on TypeC ports are left enabled after detecting an interrupt storm, fix this.
Reported-by: Kunal Joshi kunal1.joshi@intel.com References: https://gitlab.freedesktop.org/drm/intel/-/issues/351 Bugzilla: https://gitlab.freedesktop.org/drm/intel/-/issues/1964 Cc: Kunal Joshi kunal1.joshi@intel.com Cc: stable@vger.kernel.org Signed-off-by: Imre Deak imre.deak@intel.com
drivers/gpu/drm/i915/i915_irq.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 8e823ba25f5f..710224d930c5 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3132,6 +3132,7 @@ static void gen11_hpd_irq_setup(struct drm_i915_private *dev_priv) val = I915_READ(GEN11_DE_HPD_IMR); val &= ~hotplug_irqs;
- val |= ~enabled_irqs & hotplug_irqs; I915_WRITE(GEN11_DE_HPD_IMR, val); POSTING_READ(GEN11_DE_HPD_IMR);
Wondering if we should add a function for this just for consistency with all the other platforms. Alhthough we don't strictly need one since we have no other users of this register. So maybe not.
Anyways, patch is Reviewed-by: Ville Syrjälä ville.syrjala@linux.intel.com
2.23.1
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