diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index 717fd1140561a..6908b36d59539 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -315,6 +315,7 @@ struct vc4_hvs {
 	struct platform_device *pdev;
 	void __iomem *regs;
 	u32 __iomem *dlist;
+	unsigned int dlist_mem_size;
 
 	struct clk *core_clk;
 
diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c
index bdc70b6290545..66163046986c4 100644
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
@@ -110,6 +110,7 @@ static int vc4_hvs_debugfs_dlist(struct seq_file *m, void *data)
 	struct vc4_dev *vc4 = to_vc4_dev(dev);
 	struct vc4_hvs *hvs = vc4->hvs;
 	struct drm_printer p = drm_seq_file_printer(m);
+	unsigned int dlist_mem_size = hvs->dlist_mem_size;
 	unsigned int next_entry_start;
 	unsigned int i, j;
 	u32 dlist_word, dispstat;
@@ -126,7 +127,7 @@ static int vc4_hvs_debugfs_dlist(struct seq_file *m, void *data)
 		drm_printf(&p, "HVS chan %u:\n", i);
 		next_entry_start = 0;
 
-		for (j = HVS_READ(SCALER_DISPLISTX(i)); j < 256; j++) {
+		for (j = HVS_READ(SCALER_DISPLISTX(i)); j < dlist_mem_size; j++) {
 			dlist_word = readl((u32 __iomem *)vc4->hvs->dlist + j);
 			drm_printf(&p, "dlist: %02d: 0x%08x\n", j,
 				   dlist_word);
@@ -816,9 +817,10 @@ struct vc4_hvs *__vc4_hvs_alloc(struct vc4_dev *vc4, struct platform_device *pde
 	 * our 16K), since we don't want to scramble the screen when
 	 * transitioning from the firmware's boot setup to runtime.
 	 */
+	hvs->dlist_mem_size = (SCALER_DLIST_SIZE >> 2) - HVS_BOOTLOADER_DLIST_END;
 	drm_mm_init(&hvs->dlist_mm,
 		    HVS_BOOTLOADER_DLIST_END,
-		    (SCALER_DLIST_SIZE >> 2) - HVS_BOOTLOADER_DLIST_END);
+		    hvs->dlist_mem_size);
 
 	/* Set up the HVS LBM memory manager.  We could have some more
 	 * complicated data structure that allowed reuse of LBM areas