[PATCH] drm/amd/display: remove some unneeded code

[Dan Carpenter]

We assign "v_init = asic_blank_start;" a few lines earlier so there is
no need to do it again inside the if statements.  Also "v_init" is
unsigned so it can't be less than zero.

Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
index 1994865d4351..c7333cdf1802 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
@@ -236,13 +236,10 @@ static void tgn10_program_timing(
 	if (tg->dlg_otg_param.signal == SIGNAL_TYPE_DISPLAY_PORT ||
 		tg->dlg_otg_param.signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
 		tg->dlg_otg_param.signal == SIGNAL_TYPE_EDP) {
-		v_init = asic_blank_start;
 		start_point = 1;
 		if (patched_crtc_timing.flags.INTERLACE == 1)
 			field_num = 1;
 	}
-	if (v_init < 0)
-		v_init = 0;
 	v_fp2 = 0;
 	if (tg->dlg_otg_param.vstartup_start > asic_blank_end)
 		v_fp2 = tg->dlg_otg_param.vstartup_start > asic_blank_end;