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From: Rodrigo Vivi <rodrigo.vivi@intel.com>
To: Thomas Zimmermann <tzimmermann@suse.de>
Cc: <javierm@redhat.com>, <daniel@ffwll.ch>,
	<maarten.lankhorst@linux.intel.com>, <mripard@kernel.org>,
	<inki.dae@samsung.com>, <sw0312.kim@samsung.com>,
	<kyungmin.park@samsung.com>, <linux@armlinux.org.uk>,
	<krzk@kernel.org>, <alim.akhtar@samsung.com>,
	<patrik.r.jakobsson@gmail.com>, <jani.nikula@linux.intel.com>,
	<joonas.lahtinen@linux.intel.com>, <tursulin@ursulin.net>,
	<robdclark@gmail.com>, <quic_abhinavk@quicinc.com>,
	<dmitry.baryshkov@linaro.org>, <sean@poorly.run>,
	<marijn.suijten@somainline.org>,
	<tomi.valkeinen@ideasonboard.com>, <alexander.deucher@amd.com>,
	<christian.koenig@amd.com>, <Xinhui.Pan@amd.com>,
	<thierry.reding@gmail.com>, <mperttunen@nvidia.com>,
	<jonathanh@nvidia.com>, <dri-devel@lists.freedesktop.org>,
	<intel-gfx@lists.freedesktop.org>,
	<amd-gfx@lists.freedesktop.org>
Subject: Re: [PATCH 08/11] drm/i915: Use drm_fbdev_helper_client_unregister()
Date: Tue, 7 May 2024 08:25:37 -0400	[thread overview]
Message-ID: <ZjodweGCM0_zd2L0@intel.com> (raw)
In-Reply-To: <20240507120422.25492-9-tzimmermann@suse.de>

On Tue, May 07, 2024 at 01:58:29PM +0200, Thomas Zimmermann wrote:
> Implement struct drm_client_funcs.unregister with the helpers
> drm_fbdev_helper_client_unregister() and remove the custom code
> from the driver. The generic helper is equivalent in functionality.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
>  drivers/gpu/drm/i915/display/intel_fbdev.c | 21 ++-------------------
>  1 file changed, 2 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
> index bda702c2cab8e..f1b4543bffc02 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
> @@ -38,7 +38,6 @@
>  #include <linux/vga_switcheroo.h>
>  
>  #include <drm/drm_crtc.h>
> -#include <drm/drm_crtc_helper.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
> @@ -580,25 +579,9 @@ static int intel_fbdev_restore_mode(struct drm_i915_private *dev_priv)
>  }
>  
>  /*
> - * Fbdev client and struct drm_client_funcs
> + * struct drm_client_funcs
>   */
>  
> -static void intel_fbdev_client_unregister(struct drm_client_dev *client)
> -{
> -	struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
> -	struct drm_device *dev = fb_helper->dev;
> -	struct pci_dev *pdev = to_pci_dev(dev->dev);
> -
> -	if (fb_helper->info) {
> -		vga_switcheroo_client_fb_set(pdev, NULL);
> -		drm_fb_helper_unregister_info(fb_helper);
> -	} else {
> -		drm_fb_helper_unprepare(fb_helper);
> -		drm_client_release(&fb_helper->client);

The only real difference is that these 2 calls are inverted in the new
drm_fbdev_helper_client_unregister.

I feel that the releasing after the unprepare sounds more logical,
but if there's no actual issue with that and it is working for
everybody, let's do that.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(to get through drm-misc with everything else if you prefer)

> -		kfree(fb_helper);
> -	}
> -}
> -
>  static int intel_fbdev_client_restore(struct drm_client_dev *client)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(client->dev);
> @@ -644,7 +627,7 @@ static int intel_fbdev_client_hotplug(struct drm_client_dev *client)
>  
>  static const struct drm_client_funcs intel_fbdev_client_funcs = {
>  	.owner		= THIS_MODULE,
> -	.unregister	= intel_fbdev_client_unregister,
> +	.unregister	= drm_fbdev_helper_client_unregister,
>  	.restore	= intel_fbdev_client_restore,
>  	.hotplug	= intel_fbdev_client_hotplug,
>  };
> -- 
> 2.44.0
> 

  reply	other threads:[~2024-05-07 12:25 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-07 11:58 [PATCH 00/11] drm: Provide common fbdev client helpers Thomas Zimmermann
2024-05-07 11:58 ` [PATCH 01/11] drm/fb-helper: Add helpers for struct drm_client_funcs Thomas Zimmermann
2024-05-07 11:58 ` [PATCH 02/11] drm/fbdev-dma: Use fbdev client helpers Thomas Zimmermann
2024-05-07 11:58 ` [PATCH 03/11] drm/fbdev-shmem: " Thomas Zimmermann
2024-05-07 11:58 ` [PATCH 04/11] drm/fbdev-ttm: " Thomas Zimmermann
2024-05-07 11:58 ` [PATCH 05/11] drm/armada: " Thomas Zimmermann
2024-05-07 11:58 ` [PATCH 06/11] drm/exynos: " Thomas Zimmermann
2024-05-07 11:58 ` [PATCH 07/11] drm/gma500: " Thomas Zimmermann
2024-05-08 12:53   ` Patrik Jakobsson
2024-05-07 11:58 ` [PATCH 08/11] drm/i915: Use drm_fbdev_helper_client_unregister() Thomas Zimmermann
2024-05-07 12:25   ` Rodrigo Vivi [this message]
2024-05-07 13:10     ` Thomas Zimmermann
2024-05-07 11:58 ` [PATCH 09/11] drm/msm: Use fbdev client helpers Thomas Zimmermann
2024-05-07 14:36   ` Dmitry Baryshkov
2024-05-07 11:58 ` [PATCH 10/11] drm/omapdrm: " Thomas Zimmermann
2024-05-07 11:58 ` [PATCH 11/11] drm/tegra: " Thomas Zimmermann
2024-05-07 21:03   ` Felix Kuehling
2024-05-08  6:00     ` Thomas Zimmermann

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