linux-kernel - Re: [PATCH 01/11] drm/ast: Use drm_aperture_remove_conflicting_pci

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Message-ID: <59149393-73cf-83a3-5ea5-ff6f47fe2c31@suse.de>
Date:   Thu, 12 Jan 2023 10:41:40 +0100
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Daniel Vetter <daniel.vetter@...ll.ch>,
        DRI Development <dri-devel@...ts.freedesktop.org>
Cc:     Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Dave Airlie <airlied@...hat.com>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Helge Deller <deller@....de>, linux-fbdev@...r.kernel.org
Subject: Re: [PATCH 01/11] drm/ast: Use
 drm_aperture_remove_conflicting_pci_framebuffers



Am 11.01.23 um 16:41 schrieb Daniel Vetter:
> It's just open coded and matches.
> 
> Note that Thomas said that his version apparently failed for some
> reason, but hey maybe we should try again.

It apparently worked this time. Tested on an AST2100 chip.

> 
> Signed-off-by: Daniel Vetter <daniel.vetter@...el.com>
> Cc: Dave Airlie <airlied@...hat.com>
> Cc: Thomas Zimmermann <tzimmermann@...e.de>
> Cc: Javier Martinez Canillas <javierm@...hat.com>
> Cc: Helge Deller <deller@....de>
> Cc: linux-fbdev@...r.kernel.org

Tested-by: Thomas Zimmmermann <tzimmermann@...e.de>
Reviewed-by: Thomas Zimmermann <tzimmermann@...e.de>

> ---
>   drivers/gpu/drm/ast/ast_drv.c | 16 +---------------
>   1 file changed, 1 insertion(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
> index 420fc75c240e..3ac24a780f50 100644
> --- a/drivers/gpu/drm/ast/ast_drv.c
> +++ b/drivers/gpu/drm/ast/ast_drv.c
> @@ -90,27 +90,13 @@ static const struct pci_device_id ast_pciidlist[] = {
>   
>   MODULE_DEVICE_TABLE(pci, ast_pciidlist);
>   
> -static int ast_remove_conflicting_framebuffers(struct pci_dev *pdev)
> -{
> -	bool primary = false;
> -	resource_size_t base, size;
> -
> -	base = pci_resource_start(pdev, 0);
> -	size = pci_resource_len(pdev, 0);
> -#ifdef CONFIG_X86
> -	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
> -#endif
> -
> -	return drm_aperture_remove_conflicting_framebuffers(base, size, primary, &ast_driver);
> -}
> -
>   static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
>   {
>   	struct ast_private *ast;
>   	struct drm_device *dev;
>   	int ret;
>   
> -	ret = ast_remove_conflicting_framebuffers(pdev);
> +	ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &ast_driver);
>   	if (ret)
>   		return ret;
>   

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

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