[PATCH 22/46] fbdev/matroxfb: Initialize fb_ops to fbdev I/O-memory helpers
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: 2023-09-27 07:50:12
Also in:
dri-devel, linux-arm-kernel, linux-omap
Subsystem:
framebuffer layer, matrox framebuffer driver, the rest · Maintainers:
Helge Deller, Linus Torvalds
Initialize each instance of struct fb_ops with fbdev initializer macros for framebuffers in I/O address space. Set the read/write, draw and mmap callbacks to the correct implementation and avoid implicit defaults. Also select the necessary I/O helpers in Kconfig. Fbdev drivers sometimes rely on the callbacks being NULL for a default implementation to be invoked; hence requiring the I/O helpers to be built in any case. Setting all callbacks in all drivers explicitly will allow to make the I/O helpers optional. This benefits systems that do not use these functions. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> --- drivers/video/fbdev/Kconfig | 2 ++ drivers/video/fbdev/matrox/matroxfb_base.c | 2 ++ drivers/video/fbdev/matrox/matroxfb_crtc2.c | 4 +--- 3 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index c1bb885cee4c3..aa3d2e3930e91 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig@@ -903,6 +903,7 @@ config FB_MATROX select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_IOMEM_FOPS select FB_TILEBLITTING select FB_MACMODES if PPC_PMAC select VIDEO_NOMODESET
@@ -989,6 +990,7 @@ config FB_MATROX_I2C config FB_MATROX_MAVEN tristate "G400 second head support" depends on FB_MATROX_G && FB_MATROX_I2C + select FB_IOMEM_HELPERS help WARNING !!! This support does not work with G450 !!!
diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c
index a043a737ea9f7..81603ce05a229 100644
--- a/drivers/video/fbdev/matrox/matroxfb_base.c
+++ b/drivers/video/fbdev/matrox/matroxfb_base.c@@ -1204,6 +1204,7 @@ static const struct fb_ops matroxfb_ops = { .owner = THIS_MODULE, .fb_open = matroxfb_open, .fb_release = matroxfb_release, + __FB_DEFAULT_IOMEM_OPS_RDWR, .fb_check_var = matroxfb_check_var, .fb_set_par = matroxfb_set_par, .fb_setcolreg = matroxfb_setcolreg,
@@ -1214,6 +1215,7 @@ static const struct fb_ops matroxfb_ops = { /* .fb_copyarea = <set by matrox_cfbX_init>, */ /* .fb_imageblit = <set by matrox_cfbX_init>, */ /* .fb_cursor = <set by matrox_cfbX_init>, */ + __FB_DEFAULT_IOMEM_OPS_MMAP, }; #define RSDepth(X) (((X) >> 8) & 0x0F)
diff --git a/drivers/video/fbdev/matrox/matroxfb_crtc2.c b/drivers/video/fbdev/matrox/matroxfb_crtc2.c
index 372197c124dec..417fc692468da 100644
--- a/drivers/video/fbdev/matrox/matroxfb_crtc2.c
+++ b/drivers/video/fbdev/matrox/matroxfb_crtc2.c@@ -567,15 +567,13 @@ static const struct fb_ops matroxfb_dh_ops = { .owner = THIS_MODULE, .fb_open = matroxfb_dh_open, .fb_release = matroxfb_dh_release, + FB_DEFAULT_IOMEM_OPS, .fb_check_var = matroxfb_dh_check_var, .fb_set_par = matroxfb_dh_set_par, .fb_setcolreg = matroxfb_dh_setcolreg, .fb_pan_display =matroxfb_dh_pan_display, .fb_blank = matroxfb_dh_blank, .fb_ioctl = matroxfb_dh_ioctl, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, }; static struct fb_var_screeninfo matroxfb_dh_defined = {
--
2.42.0