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drm/radeon: Use regular fbdev I/O helpers

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Use the regular fbdev helpers for framebuffer I/O instead of DRM's
helpers. Radeon does not use damage handling, so DRM's fbdev helpers
are mere wrappers around the fbdev code.

By using fbdev helpers directly within each DRM fbdev emulation,
we can eventually remove DRM's wrapper functions entirely.

v4:
	* use initializer macros for struct fb_ops
v2:
	* use FB_IO_HELPERS option

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230530151228.22979-7-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann
2023-05-30 17:12:21 +02:00
parent 7fca1dd909
commit 6ebf23bf5e
2 changed files with 4 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/radeon/Kconfig
View File

@@ -11,6 +11,7 @@ config DRM_RADEON
select DRM_SUBALLOC_HELPER
select DRM_TTM
select DRM_TTM_HELPER
select FB_IO_HELPERS if DRM_FBDEV_EMULATION
select SND_HDA_COMPONENT if SND_HDA_CORE
select POWER_SUPPLY
select HWMON

9
drivers/gpu/drm/radeon/radeon_fbdev.c
View File

@@ -24,6 +24,7 @@
* David Airlie
*/
#include <linux/fb.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/vga_switcheroo.h>
@@ -190,14 +191,10 @@ static void radeon_fbdev_fb_destroy(struct fb_info *info)
static const struct fb_ops radeon_fbdev_fb_ops = {
.owner = THIS_MODULE,
DRM_FB_HELPER_DEFAULT_OPS,
.fb_open = radeon_fbdev_fb_open,
.fb_release = radeon_fbdev_fb_release,
.fb_read = drm_fb_helper_cfb_read,
.fb_write = drm_fb_helper_cfb_write,
.fb_fillrect = drm_fb_helper_cfb_fillrect,
.fb_copyarea = drm_fb_helper_cfb_copyarea,
.fb_imageblit = drm_fb_helper_cfb_imageblit,
FB_DEFAULT_IO_OPS,
DRM_FB_HELPER_DEFAULT_OPS,
.fb_destroy = radeon_fbdev_fb_destroy,
};