diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 27423ed98b60..85d9a395376e 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -886,7 +886,7 @@ static void i915_record_ring_state(struct drm_device *dev,
 		ering->faddr = I915_READ(DMA_FADD_I8XX);
 		ering->ipeir = I915_READ(IPEIR);
 		ering->ipehr = I915_READ(IPEHR);
-		ering->instdone = I915_READ(INSTDONE);
+		ering->instdone = I915_READ(GEN2_INSTDONE);
 	}
 
 	ering->waiting = waitqueue_active(&ring->irq_queue);
@@ -1388,7 +1388,7 @@ void i915_get_extra_instdone(struct drm_device *dev, uint32_t *instdone)
 	memset(instdone, 0, sizeof(*instdone) * I915_NUM_INSTDONE_REG);
 
 	if (IS_GEN2(dev) || IS_GEN3(dev))
-		instdone[0] = I915_READ(INSTDONE);
+		instdone[0] = I915_READ(GEN2_INSTDONE);
 	else if (IS_GEN4(dev) || IS_GEN5(dev) || IS_GEN6(dev)) {
 		instdone[0] = I915_READ(RING_INSTDONE(RENDER_RING_BASE));
 		instdone[1] = I915_READ(INSTDONE1);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index d1e3c3cd27cf..5d2da1e6ea66 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1602,6 +1602,7 @@ enum skl_disp_power_wells {
 /*
  * On GEN4, only the render ring INSTDONE exists and has a different
  * layout than the GEN7+ version.
+ * The GEN2 counterpart of this register is GEN2_INSTDONE.
  */
 #define RING_INSTDONE(base)	((base)+0x6c)
 #define RING_INSTPS(base)	((base)+0x70)
@@ -1619,7 +1620,7 @@ enum skl_disp_power_wells {
 #define   PWRCTX_EN	(1<<0)
 #define IPEIR		0x02088
 #define IPEHR		0x0208c
-#define INSTDONE	0x02090
+#define GEN2_INSTDONE	0x02090
 #define NOPID		0x02094
 #define HWSTAM		0x02098
 #define DMA_FADD_I8XX	0x020d0