Commit db216056 authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/ast: Remove unused SCU-MPLL and SCU-STRAP values 



The ast driver used SCU-MPLL and SCU-STRAP to compute the memory
clock. Remove the now unused values.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarJocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250826065032.344412-5-tzimmermann@suse.de
parent e9115302

drivers/gpu/drm/ast/ast_main.c

+2 −11
Original line number Diff line number Diff line
@@ -214,7 +214,7 @@ static int ast_get_dram_info(struct ast_device *ast) 
{

	struct drm_device *dev = &ast->base;

	struct device_node *np = dev->dev->of_node;

	uint32_t mcr_cfg, mcr_scu_mpll, mcr_scu_strap;

	uint32_t mcr_cfg;



	switch (ast->config_mode) {

	case ast_use_dt:
@@ -222,22 +222,13 @@ static int ast_get_dram_info(struct ast_device *ast) 
		 * If some properties are missing, use reasonable

		 * defaults for GEN5

		 */

		if (of_property_read_u32(np, "aspeed,mcr-configuration",

					 &mcr_cfg))

		if (of_property_read_u32(np, "aspeed,mcr-configuration", &mcr_cfg))

			mcr_cfg = 0x00000577;

		if (of_property_read_u32(np, "aspeed,mcr-scu-mpll",

					 &mcr_scu_mpll))

			mcr_scu_mpll = 0x000050C0;

		if (of_property_read_u32(np, "aspeed,mcr-scu-strap",

					 &mcr_scu_strap))

			mcr_scu_strap = 0;

		break;

	case ast_use_p2a:

		ast_write32(ast, 0xf004, 0x1e6e0000);

		ast_write32(ast, 0xf000, 0x1);

		mcr_cfg = ast_read32(ast, 0x10004);

		mcr_scu_mpll = ast_read32(ast, 0x10120);

		mcr_scu_strap = ast_read32(ast, 0x10170);

		break;

	case ast_use_defaults:

	default: