xf86-video-intel: src/sna/sna_display.c src/sna/sna_driver.c
Chris Wilson
ickle at kemper.freedesktop.org
Thu Jan 22 08:50:41 PST 2015
src/sna/sna_display.c | 1 +
src/sna/sna_driver.c | 50 ++++++++++++++++++++++++++++++--------------------
2 files changed, 31 insertions(+), 20 deletions(-)
New commits:
commit 653b8a4d83210187f6ef90f017598d8ebb45de27
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Thu Jan 22 16:36:27 2015 +0000
sna: Declare outputs as hidden at start
Required for our internal bookkeeping of DPMS events.
Reported-by: Jiri Slaby <jirislaby:gmail.com>
References: https://bugs.freedesktop.org/show_bug.cgi?id=70461#c79
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c
index 684256a..00c93d4 100644
--- a/src/sna/sna_display.c
+++ b/src/sna/sna_display.c
@@ -5902,6 +5902,7 @@ bool sna_mode_pre_init(ScrnInfoPtr scrn, struct sna *sna)
}
probe_capabilities(sna);
+ sna->mode.hidden = 1;
if (!xf86GetOptValInteger(sna->Options, OPTION_VIRTUAL, &num_fake))
num_fake = 1;
diff --git a/src/sna/sna_driver.c b/src/sna/sna_driver.c
index 4921bea..fc6afad 100644
--- a/src/sna/sna_driver.c
+++ b/src/sna/sna_driver.c
@@ -290,6 +290,7 @@ static void sna_dpms_set(ScrnInfoPtr scrn, int mode, int flags)
{
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
struct sna *sna = to_sna(scrn);
+ bool changed = false;
int i;
DBG(("%s(mode=%d, flags=%d), vtSema=%d\n",
@@ -306,32 +307,41 @@ static void sna_dpms_set(ScrnInfoPtr scrn, int mode, int flags)
* back on.
*/
if (mode == DPMSModeOff) {
- for (i = 0; i < config->num_output; i++) {
- xf86OutputPtr output = config->output[i];
- if (output->crtc != NULL)
- output->funcs->dpms(output, mode);
+ if (sna->mode.hidden == 0) {
+ for (i = 0; i < config->num_output; i++) {
+ xf86OutputPtr output = config->output[i];
+ if (output->crtc != NULL)
+ output->funcs->dpms(output, mode);
+ }
+ sna->mode.hidden = sna->mode.front_active + 1;
+ sna->mode.front_active = 0;
+ changed = true;
}
- sna->mode.hidden = sna->mode.front_active + 1;
- sna->mode.front_active = 0;
} else {
- /* Re-enable CRTC that have been forced off via other means */
- sna->mode.front_active = sna->mode.hidden - 1;
- sna->mode.hidden = 0;
- for (i = 0; i < config->num_crtc; i++) {
- xf86CrtcPtr crtc = config->crtc[i];
- if (crtc->enabled)
- crtc->funcs->dpms(crtc, mode);
- }
+ if (sna->mode.hidden != 0) {
+ /* Re-enable CRTC that have been forced off via other means */
+ sna->mode.front_active = sna->mode.hidden - 1;
+ sna->mode.hidden = 0;
+ for (i = 0; i < config->num_crtc; i++) {
+ xf86CrtcPtr crtc = config->crtc[i];
+ if (crtc->enabled)
+ crtc->funcs->dpms(crtc, mode);
+ }
- for (i = 0; i < config->num_output; i++) {
- xf86OutputPtr output = config->output[i];
- if (output->crtc != NULL)
- output->funcs->dpms(output, mode);
+ for (i = 0; i < config->num_output; i++) {
+ xf86OutputPtr output = config->output[i];
+ if (output->crtc != NULL)
+ output->funcs->dpms(output, mode);
+ }
+ changed = true;
}
}
- sna_crtc_config_notify(xf86ScrnToScreen(scrn));
- DBG(("%s: hiding outputs? %d\n", __FUNCTION__, sna->mode.hidden));
+ DBG(("%s: hiding outputs? %d, front active? %d, changed? %d\n",
+ __FUNCTION__, sna->mode.hidden, sna->mode.front_active, changed));
+
+ if (changed)
+ sna_crtc_config_notify(xf86ScrnToScreen(scrn));
}
static Bool sna_save_screen(ScreenPtr screen, int mode)
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