> -----Original Message-----
> From: Chris Wilson [mailto:chris.ickle.wil...@gmail.com] On Behalf Of Chris
> Wilson
> Sent: Thursday, January 26, 2017 6:44 AM
> To: dri-devel@lists.freedesktop.org
> Cc: Chris Wilson; Daniel Vetter; Deucher, Alexander
> Subject: [PATCH] drm: Silence the compiler for drm_mode_get_hv_timings()
>
> Since moving drm_crtc_get_hv_timings() into drm_modes.c, the compiler
> has been able to get smarter and spots that drm_mode_copy() is trying to
> preserve garbage from the stack.
>
> Fixes: 196cd5d3758c ("drm:
> s/drm_crtc_get_hv_timings/drm_mode_get_hv_timings/")
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel.vet...@intel.com>
> Cc: Alex Deucher <alexander.deuc...@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
> ---
> drivers/gpu/drm/drm_modes.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index 73ed6399c3fb..a8616b1a8d22 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -808,9 +808,8 @@ EXPORT_SYMBOL(drm_mode_vrefresh);
> void drm_mode_get_hv_timing(const struct drm_display_mode *mode,
> int *hdisplay, int *vdisplay)
> {
> - struct drm_display_mode adjusted;
> + struct drm_display_mode adjusted = *mode;
>
> - drm_mode_copy(&adjusted, mode);
> drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY);
> *hdisplay = adjusted.crtc_hdisplay;
> *vdisplay = adjusted.crtc_vdisplay;
> --
> 2.11.0
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
