diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 79718ffbbeef..ccaff81924ee 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -64,6 +64,7 @@ enum ast_chip {
 	AST2300,
 	AST2400,
 	AST2500,
+	AST2600,
 };
 
 enum ast_tx_chip {
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 45dd8185a488..1b13199858cb 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -143,7 +143,10 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post)
 	ast_detect_config_mode(dev, &scu_rev);
 
 	/* Identify chipset */
-	if (dev->pdev->revision >= 0x40) {
+	if (dev->pdev->revision >= 0x50) {
+		ast->chip = AST2600;
+		drm_info(dev, "AST 2600 detected\n");
+	} else if (dev->pdev->revision >= 0x40) {
 		ast->chip = AST2500;
 		drm_info(dev, "AST 2500 detected\n");
 	} else if (dev->pdev->revision >= 0x30) {