drivers/video/fbdev/i740fb: remove unused variable

The value of d_best is always 0 and never changes.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c
index 452e1163ad021d89c913107fd611bbd5b0e619ca..cf5ccd0f22521818c952fe2048907ca6bfe37b1a 100644 (file)
--- a/drivers/video/fbdev/i740fb.c
+++ b/drivers/video/fbdev/i740fb.c
@@ -346,11 +346,10 @@ static void i740_calc_vclk(u32 freq, struct i740fb_par *par)
        const u32 err_target = freq / (1000 * I740_RFREQ / I740_FFIX);
        u32 err_best = 512 * I740_FFIX;
        u32 f_err, f_vco;
-       int m_best = 0, n_best = 0, p_best = 0, d_best = 0;
+       int m_best = 0, n_best = 0, p_best = 0;
        int m, n;
 
        p_best = min(15, ilog2(I740_MAX_VCO_FREQ / (freq / I740_RFREQ_FIX)));
-       d_best = 0;
        f_vco = (freq * (1 << p_best)) / I740_RFREQ_FIX;
        freq = freq / I740_RFREQ_FIX;
 
@@ -363,7 +362,7 @@ static void i740_calc_vclk(u32 freq, struct i740fb_par *par)
                        m = 3;
 
                {
-                       u32 f_out = (((m * I740_REF_FREQ * (4 << 2 * d_best))
+                       u32 f_out = (((m * I740_REF_FREQ * 4)
                                 / n) + ((1 << p_best) / 2)) / (1 << p_best);
 
                        f_err = (freq - f_out);
@@ -386,8 +385,7 @@ static void i740_calc_vclk(u32 freq, struct i740fb_par *par)
        par->video_clk2_n = (n_best - 2) & 0xFF;
        par->video_clk2_mn_msbs = ((((n_best - 2) >> 4) & VCO_N_MSBS)
                                 | (((m_best - 2) >> 8) & VCO_M_MSBS));
-       par->video_clk2_div_sel =
-               ((p_best << 4) | (d_best ? 4 : 0) | REF_DIV_1);
+       par->video_clk2_div_sel = ((p_best << 4) | REF_DIV_1);
 }
 
 static int i740fb_decode_var(const struct fb_var_screeninfo *var,