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

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Message-ID: <20171106114422.sd5zoah6k6eaww4e@mwanda>
Date:   Mon, 6 Nov 2017 14:44:22 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Alex Deucher <alexander.deucher@....com>
Cc:     Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Harry Wentland <harry.wentland@....com>,
        Tony Cheng <tony.cheng@....com>,
        Yongqiang Sun <yongqiang.sun@....com>,
        Dmytro Laktyushkin <Dmytro.Laktyushkin@....com>,
        Charlene Liu <charlene.liu@....com>,
        Vitaly Prosyak <vitaly.prosyak@....com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH] drm/amd/display: remove some unneeded code

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@...cle.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;