[PATCH 1/3] fbdev/g364fb: Fix build failure

From: Finn Thain
Date: Sat Feb 01 2020 - 21:38:41 EST


This patch resolves these compiler errors and warnings --

CC drivers/video/fbdev/g364fb.o
drivers/video/fbdev/g364fb.c: In function 'g364fb_cursor':
drivers/video/fbdev/g364fb.c:137:9: error: 'x' undeclared (first use in this function)
drivers/video/fbdev/g364fb.c:137:9: note: each undeclared identifier is reported only once for each function it appears in
drivers/video/fbdev/g364fb.c:137:7: error: implicit declaration of function 'fontwidth' [-Werror=implicit-function-declaration]
drivers/video/fbdev/g364fb.c:137:23: error: 'p' undeclared (first use in this function)
drivers/video/fbdev/g364fb.c:137:38: error: 'y' undeclared (first use in this function)
drivers/video/fbdev/g364fb.c:137:7: error: implicit declaration of function 'fontheight' [-Werror=implicit-function-declaration]
drivers/video/fbdev/g364fb.c: In function 'g364fb_init':
drivers/video/fbdev/g364fb.c:233:24: error: 'fbvar' undeclared (first use in this function)
drivers/video/fbdev/g364fb.c:234:24: error: 'xres' undeclared (first use in this function)
drivers/video/fbdev/g364fb.c:201:14: warning: unused variable 'j' [-Wunused-variable]
drivers/video/fbdev/g364fb.c:197:25: warning: unused variable 'pal_ptr' [-Wunused-variable]

The MIPS Magnum framebuffer console now works when tested in QEMU.

Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
---
drivers/video/fbdev/g364fb.c | 29 +++--------------------------
1 file changed, 3 insertions(+), 26 deletions(-)

diff --git a/drivers/video/fbdev/g364fb.c b/drivers/video/fbdev/g364fb.c
index 223896cc5f7d..fb26230a3c7b 100644
--- a/drivers/video/fbdev/g364fb.c
+++ b/drivers/video/fbdev/g364fb.c
@@ -108,7 +108,6 @@ static int g364fb_pan_display(struct fb_var_screeninfo *var,
static int g364fb_setcolreg(u_int regno, u_int red, u_int green,
u_int blue, u_int transp,
struct fb_info *info);
-static int g364fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
static int g364fb_blank(int blank, struct fb_info *info);

static struct fb_ops g364fb_ops = {
@@ -119,28 +118,8 @@ static struct fb_ops g364fb_ops = {
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
- .fb_cursor = g364fb_cursor,
};

-int g364fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
-{
-
- switch (cursor->enable) {
- case CM_ERASE:
- *(unsigned int *) CTLA_REG |= CURS_TOGGLE;
- break;
-
- case CM_MOVE:
- case CM_DRAW:
- *(unsigned int *) CTLA_REG &= ~CURS_TOGGLE;
- *(unsigned int *) CURS_POS_REG =
- ((x * fontwidth(p)) << 12) | ((y * fontheight(p)) -
- info->var.yoffset);
- break;
- }
- return 0;
-}
-
/*
* Pan or Wrap the Display
*
@@ -194,11 +173,9 @@ static int g364fb_setcolreg(u_int regno, u_int red, u_int green,
*/
int __init g364fb_init(void)
{
- volatile unsigned int *pal_ptr =
- (volatile unsigned int *) CLR_PAL_REG;
volatile unsigned int *curs_pal_ptr =
(volatile unsigned int *) CURS_PAL_REG;
- int mem, i, j;
+ int mem, i;

if (fb_get_options("g364fb", NULL))
return -ENODEV;
@@ -230,8 +207,8 @@ int __init g364fb_init(void)
*/
*(unsigned short *) (CURS_PAT_REG + 14 * 64) = 0xffff;
*(unsigned short *) (CURS_PAT_REG + 15 * 64) = 0xffff;
- fb_var.xres_virtual = fbvar.xres;
- fb_fix.line_length = (xres / 8) * fb_var.bits_per_pixel;
+ fb_var.xres_virtual = fb_var.xres;
+ fb_fix.line_length = fb_var.xres_virtual * fb_var.bits_per_pixel / 8;
fb_fix.smem_start = 0x40000000; /* physical address */
/* get size of video memory; this is special for the JAZZ hardware */
mem = (r4030_read_reg32(JAZZ_R4030_CONFIG) >> 8) & 3;
--
2.24.1