linux-kernel - [PATCH v1 0/2] Add 1024x768 timing for AST2600

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Date:   Fri, 4 Mar 2022 14:31:35 +0800
From:   Tommy Haung <tommy_huang@...eedtech.com>
To:     <joel@....id.au>, <airlied@...ux.ie>, <daniel@...ll.ch>,
        <robh+dt@...nel.org>, <andrew@...id.au>,
        <linux-aspeed@...ts.ozlabs.org>, <dri-devel@...ts.freedesktop.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <BMC-SW@...eedtech.com>
Subject: [PATCH v1 0/2] Add 1024x768 timing for AST2600

v1: 
  Add 1024x768@...z for AST2600 soc display timing selection.
  Add gfx flag for future usage.

Testing steps:

    1. Add below config to turn VT and LOGO on.

	CONFIG_TTY=y
	CONFIG_VT=y
	CONFIG_CONSOLE_TRANSLATIONS=y
	CONFIG_VT_CONSOLE=y
	CONFIG_VT_CONSOLE_SLEEP=y
	CONFIG_HW_CONSOLE=y
	CONFIG_VT_HW_CONSOLE_BINDING=y
	CONFIG_UNIX98_PTYS=y
	CONFIG_LDISC_AUTOLOAD=y
	CONFIG_DEVMEM=y
	CONFIG_DUMMY_CONSOLE=y
	CONFIG_FRAMEBUFFER_CONSOLE=y
	CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
	CONFIG_LOGO=y
	CONFIG_LOGO_LINUX_CLUT224=y

  2. The Linux logo will be shown on the screen, when the BMC boot in Linux.
  3. Check the display mode is 1024x768@...z at AST2600.
  4. Check the display mode is 800x600@...z at AST2500.

Tommy Haung (2):
  drm/aspeed: Add gfx flags and clock selection for AST2600
  drm/aspeed: Add 1024x768 mode for AST2600

 drivers/gpu/drm/aspeed/aspeed_gfx.h      | 15 ++++++++++
 drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c | 35 ++++++++++++++++++++++++
 drivers/gpu/drm/aspeed/aspeed_gfx_drv.c  | 20 ++++++++++++--
 drivers/gpu/drm/aspeed/aspeed_gfx_out.c  | 14 +++++++++-
 4 files changed, 81 insertions(+), 3 deletions(-)

-- 
2.17.1