Re: [Freedreno] [PATCH] drm: msm: avoid false-positive -Wmaybe-uninitialized warning

2017-12-04 Thread Arnd Bergmann
On Mon, Dec 4, 2017 at 5:36 PM, Laurent Pinchart wrote: > Hi Arnd, > > Thank you for the patch. > > On Monday, 4 December 2017 16:44:23 EET Arnd Bergmann wrote: >> gcc-8 -fsanitize-coverage=trace-pc produces a false-positive warning: >> >> drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c: In function >>

Re: [Freedreno] [PATCH] drm: msm: avoid false-positive -Wmaybe-uninitialized warning

2017-12-04 Thread Laurent Pinchart
Hi Arnd, Thank you for the patch. On Monday, 4 December 2017 16:44:23 EET Arnd Bergmann wrote: > gcc-8 -fsanitize-coverage=trace-pc produces a false-positive warning: > > drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c: In function > 'mdp5_plane_mode_set.isra.8': > drivers/gpu/drm/msm/mdp/mdp5/mdp5_pl

[Freedreno] [PATCH] drm: msm: avoid false-positive -Wmaybe-uninitialized warning

2017-12-04 Thread Arnd Bergmann
gcc-8 -fsanitize-coverage=trace-pc produces a false-positive warning: drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c: In function 'mdp5_plane_mode_set.isra.8': drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c:1053:3: error: 'crtc_x_r' may be used uninitialized in this function [-Werror=maybe-uninitialized]