[PATCH v1 05/28] video: fbdev: aty: Fix W=1 warnings in atyfb_base

[Sam Ravnborg <sam@ravnborg.org>]

Fix W=1 warnings about variables assigned but never used.

- Drop variables that was never used
- Avoid using a local variable by moving the expression to an if
  condition

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Joe Perches <joe@perches.com>
Cc: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Cc: Jason Yan <yanaijie@huawei.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Jani Nikula <jani.nikula@intel.com>
---
 drivers/video/fbdev/aty/atyfb_base.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index c8feff0ee8da..d1eb9218debb 100644
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -2360,22 +2360,20 @@ static int aty_init(struct fb_info *info)
 #ifdef CONFIG_FB_ATY_GX
 	if (!M64_HAS(INTEGRATED)) {
 		u32 stat0;
-		u8 dac_type, dac_subtype, clk_type;
+		u8 dac_subtype, clk_type;
 		stat0 = aty_ld_le32(CNFG_STAT0, par);
 		par->bus_type = (stat0 >> 0) & 0x07;
 		par->ram_type = (stat0 >> 3) & 0x07;
 		ramname = aty_gx_ram[par->ram_type];
 		/* FIXME: clockchip/RAMDAC probing? */
-		dac_type = (aty_ld_le32(DAC_CNTL, par) >> 16) & 0x07;
+		aty_ld_le32(DAC_CNTL, par);
 #ifdef CONFIG_ATARI
 		clk_type = CLK_ATI18818_1;
-		dac_type = (stat0 >> 9) & 0x07;
-		if (dac_type == 0x07)
+		if (((stat0 >> 9) & 0x07) == 0x07)
 			dac_subtype = DAC_ATT20C408;
 		else
 			dac_subtype = (aty_ld_8(SCRATCH_REG1 + 1, par) & 0xF0) | dac_type;
 #else
-		dac_type = DAC_IBMRGB514;
 		dac_subtype = DAC_IBMRGB514;
 		clk_type = CLK_IBMRGB514;
 #endif
@@ -3062,7 +3060,6 @@ static int atyfb_setup_sparc(struct pci_dev *pdev, struct fb_info *info,
 	if (dp == of_console_device) {
 		struct fb_var_screeninfo *var = &default_var;
 		unsigned int N, P, Q, M, T, R;
-		u32 v_total, h_total;
 		struct crtc crtc;
 		u8 pll_regs[16];
 		u8 clock_cntl;
@@ -3078,9 +3075,6 @@ static int atyfb_setup_sparc(struct pci_dev *pdev, struct fb_info *info,
 		crtc.gen_cntl = aty_ld_le32(CRTC_GEN_CNTL, par);
 		aty_crtc_to_var(&crtc, var);
 
-		h_total = var->xres + var->right_margin + var->hsync_len + var->left_margin;
-		v_total = var->yres + var->lower_margin + var->vsync_len + var->upper_margin;
-
 		/*
 		 * Read the PLL to figure actual Refresh Rate.
 		 */
-- 
2.27.0