diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-05-24 11:58:46 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2012-05-24 12:03:14 +0100 |
| commit | 3f3bde4f0c72f6f31aae322bcdc20b95eade6631 (patch) | |
| tree | dac79f1ba63d2d5f8b235f8119659c0abc5a8458 /src/intel_display.c | |
| parent | 11db66fedf96f158cbbac8011a8ba0b29a20ba3a (diff) | |
uxa: Only consider an output valid if the kernel reports it attached
Reported-by: Kyle Hill <kyle.hill@tacomafia.net>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50078
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/intel_display.c')
| -rw-r--r-- | src/intel_display.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/intel_display.c b/src/intel_display.c index abdc372e..77a1cce1 100644 --- a/src/intel_display.c +++ b/src/intel_display.c @@ -1699,3 +1699,25 @@ int intel_crtc_to_pipe(xf86CrtcPtr crtc) struct intel_crtc *intel_crtc = crtc->driver_private; return intel_crtc->pipe; } + +Bool intel_crtc_on(xf86CrtcPtr crtc) +{ + ScrnInfoPtr scrn = crtc->scrn; + struct intel_crtc *intel_crtc = crtc->driver_private; + drmModeCrtcPtr drm_crtc; + Bool ret; + + if (!crtc->enabled) + return FALSE; + + /* Kernel manages CRTC status based on output config */ + drm_crtc = drmModeGetCrtc(intel_crtc->mode->fd, crtc_id(intel_crtc)); + if (drm_crtc == NULL) + return FALSE; + + ret = (drm_crtc->mode_valid && + intel_crtc->mode->fb_id == drm_crtc->buffer_id); + free(drm_crtc); + + return ret; +} |