linux-kernel - radeon -Wmaybe-uninitialized crap

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Message-ID: <20151207085556.GA22248@pd.tnic>
Date:	Mon, 7 Dec 2015 09:55:56 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: radeon -Wmaybe-uninitialized crap

Hi guys,

this just started appearing when building -rc4. Got fixes yet? :-)

In file included from drivers/gpu/drm/radeon/radeon_mode.h:37:0,
                 from drivers/gpu/drm/radeon/radeon.h:80,
                 from drivers/gpu/drm/radeon/r100.c:33:
drivers/gpu/drm/radeon/r100.c: In function ‘r100_bandwidth_update’:
include/drm/drm_fixed.h:64:13: warning: ‘crit_point_ff.full’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  u64 tmp = ((u64)A.full << 13);
             ^
drivers/gpu/drm/radeon/r100.c:3153:63: note: ‘crit_point_ff.full’ was declared here
  fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
                                                               ^
drivers/gpu/drm/radeon/r100.c:3583:42: warning: ‘disp_drain_rate.full’ may be used uninitialized in this function [-Wmaybe-uninitialized]
     temp_ff.full = read_return_rate.full - disp_drain_rate.full;
                                          ^
-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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