From: Thomas Zimmermann <tzimmermann@suse.de>
To: daniel@ffwll.ch, airlied@gmail.com, deller@gmx.de, javierm@redhat.com
Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
intel-gfx@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-hyperv@vger.kernel.org,
Thomas Zimmermann <tzimmermann@suse.de>
Subject: [PATCH 06/18] drm/fb-helper: Do not allocate unused apertures structure
Date: Mon, 19 Dec 2022 17:05:04 +0100 [thread overview]
Message-ID: <20221219160516.23436-7-tzimmermann@suse.de> (raw)
In-Reply-To: <20221219160516.23436-1-tzimmermann@suse.de>
The apertures field in struct fb_info is not used by DRM drivers. Do
not allocate it.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/drm_fb_helper.c | 20 ++------------------
1 file changed, 2 insertions(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index b3a731b9170a..e8a7e8be91d9 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -473,8 +473,8 @@ EXPORT_SYMBOL(drm_fb_helper_init);
* drm_fb_helper_alloc_info - allocate fb_info and some of its members
* @fb_helper: driver-allocated fbdev helper
*
- * A helper to alloc fb_info and the members cmap and apertures. Called
- * by the driver within the fb_probe fb_helper callback function. Drivers do not
+ * A helper to alloc fb_info and the member cmap. Called by the driver
+ * within the fb_probe fb_helper callback function. Drivers do not
* need to release the allocated fb_info structure themselves, this is
* automatically done when calling drm_fb_helper_fini().
*
@@ -496,27 +496,11 @@ struct fb_info *drm_fb_helper_alloc_info(struct drm_fb_helper *fb_helper)
if (ret)
goto err_release;
- /*
- * TODO: We really should be smarter here and alloc an aperture
- * for each IORESOURCE_MEM resource helper->dev->dev has and also
- * init the ranges of the appertures based on the resources.
- * Note some drivers currently count on there being only 1 empty
- * aperture and fill this themselves, these will need to be dealt
- * with somehow when fixing this.
- */
- info->apertures = alloc_apertures(1);
- if (!info->apertures) {
- ret = -ENOMEM;
- goto err_free_cmap;
- }
-
fb_helper->info = info;
info->skip_vt_switch = true;
return info;
-err_free_cmap:
- fb_dealloc_cmap(&info->cmap);
err_release:
framebuffer_release(info);
return ERR_PTR(ret);
--
2.39.0
next prev parent reply other threads:[~2022-12-19 16:05 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-19 16:04 [PATCH 00/18] drm,fbdev: Remove apertures structure and FBINFO_MISC_FIRMWARE Thomas Zimmermann
2022-12-19 16:04 ` [PATCH 01/18] fbcon: Remove trailing whitespaces Thomas Zimmermann
2022-12-20 9:10 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 02/18] Revert "fbcon: don't lose the console font across generic->chip driver switch" Thomas Zimmermann
2022-12-20 9:17 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 03/18] drm/gma500: Do not set struct fb_info.apertures Thomas Zimmermann
2022-12-20 9:18 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 04/18] drm/i915: " Thomas Zimmermann
2022-12-20 9:19 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 05/18] drm/radeon: " Thomas Zimmermann
2022-12-20 9:19 ` Javier Martinez Canillas
2022-12-19 16:05 ` Thomas Zimmermann [this message]
2022-12-20 9:22 ` [PATCH 06/18] drm/fb-helper: Do not allocate unused apertures structure Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 07/18] fbdev/clps711x-fb: Do not set struct fb_info.apertures Thomas Zimmermann
2022-12-20 9:24 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 08/18] fbdev/hyperv-fb: " Thomas Zimmermann
2022-12-20 9:24 ` Javier Martinez Canillas
2022-12-29 15:57 ` Michael Kelley (LINUX)
2022-12-19 16:05 ` [PATCH 09/18] vfio-mdev/mdpy-fb: " Thomas Zimmermann
2022-12-20 9:32 ` Javier Martinez Canillas
2023-01-03 13:54 ` Thomas Zimmermann
2022-12-19 16:05 ` [PATCH 10/18] fbdev/efifb: Add struct efifb_par for driver data Thomas Zimmermann
2022-12-20 9:33 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 11/18] fbdev/efifb: Do not use struct fb_info.apertures Thomas Zimmermann
2022-12-20 9:35 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 12/18] fbdev/offb: Allocate struct offb_par with framebuffer_alloc() Thomas Zimmermann
2022-12-20 9:37 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 13/18] fbdev/offb: Do not use struct fb_info.apertures Thomas Zimmermann
2022-12-20 9:38 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 14/18] fbdev/simplefb: " Thomas Zimmermann
2022-12-20 9:40 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 15/18] fbdev/vesafb: Remove trailing whitespaces Thomas Zimmermann
2022-12-20 9:40 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 16/18] fbdev/vesafb: Do not use struct fb_info.apertures Thomas Zimmermann
2022-12-20 9:43 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 17/18] fbdev/vga16fb: " Thomas Zimmermann
2022-12-20 9:44 ` Javier Martinez Canillas
2022-12-19 16:05 ` [PATCH 18/18] drm/fbdev: Remove aperture handling and FBINFO_MISC_FIRMWARE Thomas Zimmermann
2022-12-20 9:46 ` Javier Martinez Canillas
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