drm/ast: Create chip AST2600

[New] Support AST2600

Signed-off-by: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201109093812.161483-1-kuohsiang_chou@aspeedtech.com

diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 79718ff..ccaff81 100644 (file)
--- 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 45dd818..1b13199 100644 (file)
--- 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) {