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.
> -----Original Message-----
> From: Borislav Petkov [mailto:[email protected]]
> Sent: Monday, December 07, 2015 3:56 AM
> To: Deucher, Alexander; Koenig, Christian
> Cc: lkml
> Subject: radeon -Wmaybe-uninitialized crap
>
> Hi guys,
>
> this just started appearing when building -rc4. Got fixes yet? :-)
Odd. Nothing related to these variables has changed in years.
Alex
>
> 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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On Mon, Dec 07, 2015 at 04:15:22PM +0000, Deucher, Alexander wrote:
> Odd. Nothing related to these variables has changed in years.
Odd indeed. Building that same config on two other boxes doesn't trip
those up so it must be something gcc-related on that particular box.
Hmmm.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
On Mon, Dec 07, 2015 at 06:10:02PM +0100, Borislav Petkov wrote:
> On Mon, Dec 07, 2015 at 04:15:22PM +0000, Deucher, Alexander wrote:
> > Odd. Nothing related to these variables has changed in years.
>
> Odd indeed. Building that same config on two other boxes doesn't trip
> those up so it must be something gcc-related on that particular box.
Just appeared on another box (ph) too:
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.