[Intel-gfx] [PATCH] drm/i915: Disable GPU resets for 915g (earliest gen3 desktop)

[Chris Wilson]

The CI farm reports that trying to write to the PCI config (GDRST: 0xc0)
results in an immediate and silent reboot on Grantsdale (i915g). Until
that is resolved, stop killing the machine!

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101852
Fixes: 59ea90543f57 ("drm/i915: Implement GPU reset for 915/945")
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.co
---
 drivers/gpu/drm/i915/intel_uncore.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index deb4430541cf..452ea6cc8111 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1680,7 +1680,8 @@ static reset_func intel_get_gpu_reset(struct drm_i915_private *dev_priv)
 		return g4x_do_reset;
 	else if (IS_G33(dev_priv) || IS_PINEVIEW(dev_priv))
 		return g33_do_reset;
-	else if (INTEL_INFO(dev_priv)->gen >= 3)
+	else if (INTEL_INFO(dev_priv)->gen >= 3 &&
+		 INTEL_INFO(dev_priv)->platform != INTEL_I915G)
 		return i915_do_reset;
 	else
 		return NULL;
-- 
2.13.3