[PATCH v1] drm/xe/i2c: Force polling mode in survivability

[Raag Jadav <raag.jadav@intel.com>]

SGUnit interrupts are not initialized in survivability. Force I2C
controller to polling mode while in survivability.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
---
 drivers/gpu/drm/xe/xe_i2c.c                | 8 +++++---
 drivers/gpu/drm/xe/xe_survivability_mode.c | 2 +-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_i2c.c b/drivers/gpu/drm/xe/xe_i2c.c
index 8eccbae05705..6f14ba1e5217 100644
--- a/drivers/gpu/drm/xe/xe_i2c.c
+++ b/drivers/gpu/drm/xe/xe_i2c.c
@@ -213,11 +213,13 @@ static const struct irq_domain_ops xe_i2c_irq_ops = {
 	.map = xe_i2c_irq_map,
 };
 
-static int xe_i2c_create_irq(struct xe_i2c *i2c)
+static int xe_i2c_create_irq(struct xe_device *xe)
 {
+	struct xe_survivability *survivability = &xe->survivability;
+	struct xe_i2c *i2c = xe->i2c;
 	struct irq_domain *domain;
 
-	if (!(i2c->ep.capabilities & XE_I2C_EP_CAP_IRQ))
+	if (survivability->mode || !(i2c->ep.capabilities & XE_I2C_EP_CAP_IRQ))
 		return 0;
 
 	domain = irq_domain_create_linear(dev_fwnode(i2c->drm_dev), 1, &xe_i2c_irq_ops, NULL);
@@ -351,7 +353,7 @@ int xe_i2c_probe(struct xe_device *xe)
 	if (ret)
 		return ret;
 
-	ret = xe_i2c_create_irq(i2c);
+	ret = xe_i2c_create_irq(xe);
 	if (ret)
 		goto err_unregister_notifier;
 
diff --git a/drivers/gpu/drm/xe/xe_survivability_mode.c b/drivers/gpu/drm/xe/xe_survivability_mode.c
index 7520d7b7f9b8..a34a638bfb76 100644
--- a/drivers/gpu/drm/xe/xe_survivability_mode.c
+++ b/drivers/gpu/drm/xe/xe_survivability_mode.c
@@ -324,7 +324,7 @@ static int enable_boot_survivability_mode(struct pci_dev *pdev)
 	if (ret)
 		return ret;
 
-	/* Make sure xe_heci_gsc_init() knows about survivability mode */
+	/* Make sure xe_heci_gsc_init() and xe_i2c_probe() are aware of survivability */
 	survivability->mode = true;
 
 	xe_heci_gsc_init(xe);
-- 
2.43.0