diff options
Diffstat (limited to 'src/sna/sna_display.c')
| -rw-r--r-- | src/sna/sna_display.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c index eeab3498..e1839fcc 100644 --- a/src/sna/sna_display.c +++ b/src/sna/sna_display.c @@ -5200,6 +5200,25 @@ bool sna_mode_pre_init(ScrnInfoPtr scrn, struct sna *sna) return scrn->modes != NULL; } +bool +sna_mode_wants_tear_free(struct sna *sna) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(sna->scrn); + int i; + + for (i = 0; i < sna->mode.num_real_output; i++) { + struct sna_output *output = to_sna_output(config->output[i]); + int id = find_property(sna, output, "Panel Self-Refresh"); + if (id !=-1 && output->prop_values[id] != -1) { + DBG(("%s: Panel Self-Refresh detected on %s\n", + __FUNCTION__, config->output[i]->name)); + return true; + } + } + + return false; +} + void sna_mode_close(struct sna *sna) { |