From: Antonino A. Daplas Date: Tue, 10 Jan 2006 04:53:07 +0000 (-0800) Subject: [PATCH] fbdev: imsttfb: Driver cleanups X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=94f9e09ce531d48b2e46208f9b1c8733a74c22de;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [PATCH] fbdev: imsttfb: Driver cleanups - remove unneeded casts - the pseudo_palette, if using the generic drawing functions, must always be u32 regardless of the bpp - use framebuffer_alloc/framebuffer_release to allocate memory Signed-off-by: Antonino Daplas Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/video/imsttfb.c b/drivers/video/imsttfb.c index 7fbe24206b19..a5d813050db5 100644 --- a/drivers/video/imsttfb.c +++ b/drivers/video/imsttfb.c @@ -323,6 +323,7 @@ struct imstt_par { unsigned long cmap_regs_phys; __u8 *cmap_regs; __u32 ramdac; + __u32 palette[16]; }; enum { @@ -657,7 +658,7 @@ set_imstt_regvals_tvp (struct imstt_par *par, u_int bpp) static void set_imstt_regvals (struct fb_info *info, u_int bpp) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; struct imstt_regvals *init = &par->init; __u32 ctl, pitch, byteswap, scr; @@ -749,7 +750,7 @@ set_imstt_regvals (struct fb_info *info, u_int bpp) static inline void set_offset (struct fb_var_screeninfo *var, struct fb_info *info) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; __u32 off = var->yoffset * (info->fix.line_length >> 3) + ((var->xoffset * (var->bits_per_pixel >> 3)) >> 3); write_reg_le32(par->dc_regs, SSR, off); @@ -863,7 +864,7 @@ imsttfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) static int imsttfb_set_par(struct fb_info *info) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; if (!compute_imstt_regvals(par, info->var.xres, info->var.yres)) return -EINVAL; @@ -881,7 +882,7 @@ static int imsttfb_setcolreg (u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; u_int bpp = info->var.bits_per_pixel; if (regno > 255) @@ -905,14 +906,17 @@ imsttfb_setcolreg (u_int regno, u_int red, u_int green, u_int blue, if (regno < 16) switch (bpp) { case 16: - ((u16 *)info->pseudo_palette)[regno] = (regno << (info->var.green.length == 5 ? 10 : 11)) | (regno << 5) | regno; + par->palette[regno] = + (regno << (info->var.green.length == + 5 ? 10 : 11)) | (regno << 5) | regno; break; case 24: - ((u32 *)info->pseudo_palette)[regno] = (regno << 16) | (regno << 8) | regno; + par->palette[regno] = + (regno << 16) | (regno << 8) | regno; break; case 32: { int i = (regno << 8) | regno; - ((u32 *)info->pseudo_palette)[regno] = (i << 16) | i; + par->palette[regno] = (i << 16) |i; break; } } @@ -935,7 +939,7 @@ imsttfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) static int imsttfb_blank(int blank, struct fb_info *info) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; __u32 ctrl; ctrl = read_reg_le32(par->dc_regs, STGCTL); @@ -989,7 +993,7 @@ imsttfb_blank(int blank, struct fb_info *info) static void imsttfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; __u32 Bpp, line_pitch, bgc, dx, dy, width, height; bgc = rect->color; @@ -1033,7 +1037,7 @@ imsttfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) static void imsttfb_copyarea(struct fb_info *info, const struct fb_copyarea *area) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; __u32 Bpp, line_pitch, fb_offset_old, fb_offset_new, sp, dp_octl; __u32 cnt, bltctl, sx, sy, dx, dy, height, width; @@ -1195,7 +1199,7 @@ imstt_set_cursor(struct imstt_par *par, struct fb_image *d, int on) static int imsttfb_cursor(struct fb_info *info, struct fb_cursor *cursor) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; u32 flags = cursor->set, fg, bg, xx, yy; if (cursor->dest == NULL && cursor->rop == ROP_XOR) @@ -1266,7 +1270,7 @@ static int imsttfb_ioctl(struct inode *inode, struct file *file, u_int cmd, u_long arg, struct fb_info *info) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; void __user *argp = (void __user *)arg; __u32 reg[2]; __u8 idx[2]; @@ -1350,7 +1354,7 @@ static struct fb_ops imsttfb_ops = { static void __devinit init_imstt(struct fb_info *info) { - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; __u32 i, tmp, *ip, *end; tmp = read_reg_le32(par->dc_regs, PRC); @@ -1413,7 +1417,7 @@ init_imstt(struct fb_info *info) if ((info->var.xres * info->var.yres) * (info->var.bits_per_pixel >> 3) > info->fix.smem_len || !(compute_imstt_regvals(par, info->var.xres, info->var.yres))) { printk("imsttfb: %ux%ux%u not supported\n", info->var.xres, info->var.yres, info->var.bits_per_pixel); - kfree(info); + framebuffer_release(info); return; } @@ -1449,7 +1453,7 @@ init_imstt(struct fb_info *info) fb_alloc_cmap(&info->cmap, 0, 0); if (register_framebuffer(info) < 0) { - kfree(info); + framebuffer_release(info); return; } @@ -1474,26 +1478,21 @@ imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) printk(KERN_ERR "imsttfb: no OF node for pci device\n"); #endif /* CONFIG_PPC_OF */ - size = sizeof(struct fb_info) + sizeof(struct imstt_par) + - sizeof(u32) * 16; - - info = kmalloc(size, GFP_KERNEL); + info = framebuffer_alloc(sizeof(struct imstt_par), &pdev->dev); if (!info) { printk(KERN_ERR "imsttfb: Can't allocate memory\n"); return -ENOMEM; } - memset(info, 0, size); - - par = (struct imstt_par *) (info + 1); + par = info->par; addr = pci_resource_start (pdev, 0); size = pci_resource_len (pdev, 0); if (!request_mem_region(addr, size, "imsttfb")) { printk(KERN_ERR "imsttfb: Can't reserve memory region\n"); - kfree(info); + framebuffer_release(info); return -ENODEV; } @@ -1516,14 +1515,13 @@ imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } info->fix.smem_start = addr; - info->screen_base = (__u8 *)ioremap(addr, par->ramdac == IBM ? 0x400000 : 0x800000); + info->screen_base = (__u8 *)ioremap(addr, par->ramdac == IBM ? + 0x400000 : 0x800000); info->fix.mmio_start = addr + 0x800000; par->dc_regs = ioremap(addr + 0x800000, 0x1000); par->cmap_regs_phys = addr + 0x840000; par->cmap_regs = (__u8 *)ioremap(addr + 0x840000, 0x1000); - info->par = par; - info->pseudo_palette = (void *) (par + 1); - info->device = &pdev->dev; + info->pseudo_palette = par->palette; init_imstt(info); pci_set_drvdata(pdev, info); @@ -1534,7 +1532,7 @@ static void __devexit imsttfb_remove(struct pci_dev *pdev) { struct fb_info *info = pci_get_drvdata(pdev); - struct imstt_par *par = (struct imstt_par *) info->par; + struct imstt_par *par = info->par; int size = pci_resource_len(pdev, 0); unregister_framebuffer(info); @@ -1542,7 +1540,7 @@ imsttfb_remove(struct pci_dev *pdev) iounmap(par->dc_regs); iounmap(info->screen_base); release_mem_region(info->fix.smem_start, size); - kfree(info); + framebuffer_release(info); } #ifndef MODULE