> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf
> Of Michel Dänzer
> Sent: Wednesday, November 01, 2017 1:43 PM
> To: amd-gfx@lists.freedesktop.org
> Subject: [PATCH xf86-video-ati] modesetting: Check crtc before searching
> link-status property
>
> From: Daniel Martin <consume.no...@gmail.com>
>
> No need to lookup the link-status property if we don't have a crtc.
>
> Signed-off-by: Daniel Martin <consume.no...@gmail.com>
> (Ported from xserver commit 8d7f7e24261e68459e6f0a865e243473f65fe7ad)
> Signed-off-by: Michel Dänzer <michel.daen...@amd.com>
Both this and the amdgpu patch are:
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
> ---
> src/drmmode_display.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/src/drmmode_display.c b/src/drmmode_display.c
> index f57c43647..7ad3235a5 100644
> --- a/src/drmmode_display.c
> +++ b/src/drmmode_display.c
> @@ -2796,12 +2796,14 @@ radeon_mode_hotplug(ScrnInfoPtr scrn,
> drmmode_ptr drmmode)
> */
> for (i = 0; i < config->num_output; i++) {
> xf86OutputPtr output = config->output[i];
> + xf86CrtcPtr crtc = output->crtc;
> drmmode_output_private_ptr drmmode_output = output-
> >driver_private;
> uint32_t con_id;
> drmModeConnectorPtr koutput;
>
> - if (drmmode_output->mode_output == NULL)
> + if (!crtc || !drmmode_output->mode_output)
> continue;
> +
> con_id = drmmode_output->mode_output->connector_id;
> /* Get an updated view of the properties for the current
> connector and
> * look for the link-status property
> @@ -2813,10 +2815,6 @@ radeon_mode_hotplug(ScrnInfoPtr scrn,
> drmmode_ptr drmmode)
> if (props && props->flags &
> DRM_MODE_PROP_ENUM &&
> !strcmp(props->name, "link-status") &&
> koutput->prop_values[j] ==
> DRM_MODE_LINK_STATUS_BAD) {
> - xf86CrtcPtr crtc = output->crtc;
> - if (!crtc)
> - continue;
> -
> /* the connector got a link failure, re-set the
> current mode */
> drmmode_set_mode_major(crtc, &crtc-
> >mode, crtc->rotation,
> crtc->x, crtc->y);
> --
> 2.15.0.rc2
>
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