Fixes the following W=1 kernel build warning(s):

 drivers/video/fbdev/aty/mach64_ct.c: In function ‘aty_init_pll_ct’:
 drivers/video/fbdev/aty/mach64_ct.c:405:46: warning: variable ‘vga_dsp_on_off’ 
set but not used [-Wunused-but-set-variable]
 drivers/video/fbdev/aty/mach64_ct.c:405:30: warning: variable ‘vga_dsp_config’ 
set but not used [-Wunused-but-set-variable]
 drivers/video/fbdev/aty/mach64_ct.c:405:18: warning: variable ‘dsp_on_off’ set 
but not used [-Wunused-but-set-variable]

Cc: daniel.manti...@freepascal.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-fb...@vger.kernel.org
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
 drivers/video/fbdev/aty/mach64_ct.c | 19 ++-----------------
 1 file changed, 2 insertions(+), 17 deletions(-)

diff --git a/drivers/video/fbdev/aty/mach64_ct.c 
b/drivers/video/fbdev/aty/mach64_ct.c
index f87cc81f4fa2b..23eececa1e9d7 100644
--- a/drivers/video/fbdev/aty/mach64_ct.c
+++ b/drivers/video/fbdev/aty/mach64_ct.c
@@ -402,7 +402,7 @@ static int aty_init_pll_ct(const struct fb_info *info, 
union aty_pll *pll)
        struct atyfb_par *par = (struct atyfb_par *) info->par;
        u8 mpost_div, xpost_div, sclk_post_div_real;
        u32 q, memcntl, trp;
-       u32 dsp_config, dsp_on_off, vga_dsp_config, vga_dsp_on_off;
+       u32 dsp_config;
 #ifdef DEBUG
        int pllmclk, pllsclk;
 #endif
@@ -488,25 +488,10 @@ static int aty_init_pll_ct(const struct fb_info *info, 
union aty_pll *pll)
 
        /* Allow BIOS to override */
        dsp_config = aty_ld_le32(DSP_CONFIG, par);
-       dsp_on_off = aty_ld_le32(DSP_ON_OFF, par);
-       vga_dsp_config = aty_ld_le32(VGA_DSP_CONFIG, par);
-       vga_dsp_on_off = aty_ld_le32(VGA_DSP_ON_OFF, par);
 
        if (dsp_config)
                pll->ct.dsp_loop_latency = (dsp_config & DSP_LOOP_LATENCY) >> 
16;
-#if 0
-       FIXME: is it relevant for us?
-       if ((!dsp_on_off && !M64_HAS(RESET_3D)) ||
-               ((dsp_on_off == vga_dsp_on_off) &&
-               (!dsp_config || !((dsp_config ^ vga_dsp_config) & 
DSP_XCLKS_PER_QW)))) {
-               vga_dsp_on_off &= VGA_DSP_OFF;
-               vga_dsp_config &= VGA_DSP_XCLKS_PER_QW;
-               if (ATIDivide(vga_dsp_on_off, vga_dsp_config, 5, 1) > 24)
-                       pll->ct.fifo_size = 32;
-               else
-                       pll->ct.fifo_size = 24;
-       }
-#endif
+
        /* Exit if the user does not want us to tamper with the clock
        rates of her chip. */
        if (par->mclk_per == 0) {
-- 
2.25.1

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