[PATCH] drm/ast: Create chip AST2600

From: KuoHsiang Chou
Date: Mon Nov 09 2020 - 04:38:56 EST


[New] Support AST2600

Signed-off-by: KuoHsiang Chou <kuohsiang_chou@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/ast/ast_drv.h | 1 +
drivers/gpu/drm/ast/ast_main.c | 5 ++++-
2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 467049ca8430..6b9e3b94a712 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -63,6 +63,7 @@ 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 77066bca8793..4ec6884f6c65 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) {
--
2.18.4