RE: [PATCH] drm/ast: Create chip AST2600

[Kuo-Hsiang Chou <kuohsiang_chou@aspeedtech.com>]

Hi, Thomas,

OK, I will describe the patch more precisely in the future. Thanks again!!!

Have a good day.
	Kuo-Hsiang Chou

-----Original Message-----
From: Thomas Zimmermann [mailto:tzimmermann@suse.de] 
Sent: Monday, November 09, 2020 6:26 PM
To: Kuo-Hsiang Chou <kuohsiang_chou@aspeedtech.com>; dri-devel@lists.freedesktop.org; linux-kernel@vger.kernel.org
Cc: airlied@redhat.com; airlied@linux.ie; daniel@ffwll.ch; Jenmin Yuan <jenmin_yuan@aspeedtech.com>; Arc Sung <arc_sung@aspeedtech.com>; Tommy Huang <tommy_huang@aspeedtech.com>
Subject: Re: [PATCH] drm/ast: Create chip AST2600

Hi

Am 09.11.20 um 10:38 schrieb KuoHsiang Chou:
> [New] Support AST2600

A style issue: better write a nice sentence than these tags.  For the patch at hand, I'd preferred something like: "Only add an id for supporting AST2600. No functional changes are required."

I assume that there areno further changes required for AST2600.

> 
> Signed-off-by: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>

I'll add the patch to drm-misc-next. Thanks!

Best regards
Thomas

> ---
>  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
> 

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer