Commit 52c29330 authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/ast: Detect AST 2510 model 



Detect the 6th-generation AST 2510. Allows to simplify the code
for widescreen support.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarJocelyn Falempe <jfalempe@redhat.com>
Tested-by: Jocelyn Falempe <jfalempe@redhat.com> # AST2600
Link: https://patchwork.freedesktop.org/patch/msgid/20230621130032.3568-13-tzimmermann@suse.de
parent 86d86d1b

drivers/gpu/drm/ast/ast_drv.h

+1 −1
Original line number Diff line number Diff line
@@ -75,7 +75,7 @@ enum ast_chip { 
	AST1250 = __AST_CHIP(5, 2), // unused

	/* 6th gen */

	AST2500 = __AST_CHIP(6, 0),

	AST2510 = __AST_CHIP(6, 1), // unused

	AST2510 = __AST_CHIP(6, 1),

	AST2520 = __AST_CHIP(6, 2), // unused

	/* 7th gen */

	AST2600 = __AST_CHIP(7, 0),

drivers/gpu/drm/ast/ast_main.c

+10 −4
Original line number Diff line number Diff line
@@ -163,8 +163,15 @@ static int ast_detect_chip(struct drm_device *dev, bool need_post, u32 scu_rev) 
		ast->chip = AST2600;

		drm_info(dev, "AST 2600 detected\n");

	} else if (pdev->revision >= 0x40) {

		switch (scu_rev & 0x300) {

		case 0x0100:

			ast->chip = AST2510;

			drm_info(dev, "AST 2510 detected\n");

			break;

		default:

			ast->chip = AST2500;

			drm_info(dev, "AST 2500 detected\n");

		}

	} else if (pdev->revision >= 0x30) {

		switch (scu_rev & 0x300) {

		case 0x0100:
@@ -227,8 +234,7 @@ static int ast_detect_chip(struct drm_device *dev, bool need_post, u32 scu_rev) 
				ast->support_wide_screen = true;

			if (ast->chip == AST1400)

				ast->support_wide_screen = true;

			if (ast->chip == AST2500 &&

			    scu_rev == 0x100)           /* ast2510 */

			if (ast->chip == AST2510)

				ast->support_wide_screen = true;

			if (IS_AST_GEN7(ast))

				ast->support_wide_screen = true;