diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
index 1dd84d3489ae..3ebbeb3a9b68 100644
--- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
@@ -35,6 +35,7 @@
 	 A3XX_INT0_CP_RB_INT |             \
 	 A3XX_INT0_CP_REG_PROTECT_FAULT |  \
 	 A3XX_INT0_CP_AHB_ERROR_HALT |     \
+	 A3XX_INT0_CACHE_FLUSH_TS |        \
 	 A3XX_INT0_UCHE_OOB_ACCESS)
 
 extern bool hang_debug;
diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
index 2884b1b1660c..16d3d596638e 100644
--- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
@@ -27,6 +27,7 @@
 	 A4XX_INT0_CP_RB_INT |             \
 	 A4XX_INT0_CP_REG_PROTECT_FAULT |  \
 	 A4XX_INT0_CP_AHB_ERROR_HALT |     \
+	 A4XX_INT0_CACHE_FLUSH_TS |        \
 	 A4XX_INT0_UCHE_OOB_ACCESS)
 
 extern bool hang_debug;
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 87133c6c6f91..17d0506d058c 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -313,26 +313,12 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
 		OUT_RING(ring, 0x00000000);
 	}
 
+	/* BIT(31) of CACHE_FLUSH_TS triggers CACHE_FLUSH_TS IRQ from GPU */
 	OUT_PKT3(ring, CP_EVENT_WRITE, 3);
-	OUT_RING(ring, CACHE_FLUSH_TS);
+	OUT_RING(ring, CACHE_FLUSH_TS | BIT(31));
 	OUT_RING(ring, rbmemptr(ring, fence));
 	OUT_RING(ring, submit->seqno);
 
-	/* we could maybe be clever and only CP_COND_EXEC the interrupt: */
-	OUT_PKT3(ring, CP_INTERRUPT, 1);
-	OUT_RING(ring, 0x80000000);
-
-	/* Workaround for missing irq issue on 8x16/a306.  Unsure if the
-	 * root cause is a platform issue or some a306 quirk, but this
-	 * keeps things humming along:
-	 */
-	if (adreno_is_a306(adreno_gpu)) {
-		OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1);
-		OUT_RING(ring, 0x00000000);
-		OUT_PKT3(ring, CP_INTERRUPT, 1);
-		OUT_RING(ring, 0x80000000);
-	}
-
 #if 0
 	if (adreno_is_a3xx(adreno_gpu)) {
 		/* Dummy set-constant to trigger context rollover */