| Message ID | 20190215234218.20377-1-chris@chris-wilson.co.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3] drm/i915: Restore interrupt enabling after a reset | expand |
diff --git a/drivers/gpu/drm/i915/i915_reset.c b/drivers/gpu/drm/i915/i915_reset.c index 5a067a4b3d5d..c5bb4a67a81b 100644 --- a/drivers/gpu/drm/i915/i915_reset.c +++ b/drivers/gpu/drm/i915/i915_reset.c @@ -994,10 +994,12 @@ void i915_reset(struct drm_i915_private *i915, goto error; } + intel_irq_uninstall(i915); if (do_reset(i915, stalled_mask)) { dev_err(i915->drm.dev, "Failed to reset chip\n"); goto taint; } + intel_irq_install(i915); intel_overlay_reset(i915);
At least on i965g and i965gm, performing a device reset clobbers the IER resulting in loss of interrupts thereafter. So, run the irq_postinstall hook to restore them. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> --- drivers/gpu/drm/i915/i915_reset.c | 2 ++ 1 file changed, 2 insertions(+)