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xserver-xorg-video-nouveau: Changes to 'debian-unstable'



 debian/changelog      |    8 ++++++++
 src/drmmode_display.c |   14 ++++++++++++--
 src/nouveau_dri2.c    |   14 +++++++++-----
 src/nouveau_present.c |    6 +++---
 src/nouveau_xv.c      |    2 +-
 src/nv_proto.h        |    1 +
 6 files changed, 34 insertions(+), 11 deletions(-)

New commits:
commit 56e08a642fd0479868b414837263d4e7031b1aee
Author: Sven Joachim <svenjoac@gmx.de>
Date:   Sat Mar 11 09:02:54 2017 +0100

    Upload to unstable

diff --git a/debian/changelog b/debian/changelog
index 1e1ba4d..7fa9a76 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,9 +1,10 @@
-xserver-xorg-video-nouveau (1:1.0.13-2) UNRELEASED; urgency=medium
+xserver-xorg-video-nouveau (1:1.0.13-2) unstable; urgency=medium
 
+  * Team upload.
   * Cherry-pick commit 924083938c ("Consider CRTCs disabled when DPMS is
     off") from upstream.
 
- -- Sven Joachim <svenjoac@gmx.de>  Thu, 09 Mar 2017 16:43:23 +0100
+ -- Sven Joachim <svenjoac@gmx.de>  Sat, 11 Mar 2017 09:00:49 +0100
 
 xserver-xorg-video-nouveau (1:1.0.13-1) unstable; urgency=medium
 

commit c6494a85f139c788f020b10409a1b2f78bd77368
Author: Sven Joachim <svenjoac@gmx.de>
Date:   Thu Mar 9 16:58:08 2017 +0100

    Document the cherry-pick

diff --git a/debian/changelog b/debian/changelog
index 94230bd..1e1ba4d 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+xserver-xorg-video-nouveau (1:1.0.13-2) UNRELEASED; urgency=medium
+
+  * Cherry-pick commit 924083938c ("Consider CRTCs disabled when DPMS is
+    off") from upstream.
+
+ -- Sven Joachim <svenjoac@gmx.de>  Thu, 09 Mar 2017 16:43:23 +0100
+
 xserver-xorg-video-nouveau (1:1.0.13-1) unstable; urgency=medium
 
   * Team upload.

commit 6479221636db0a81eba5adfed8d494535da85321
Author: Lyude <lyude@redhat.com>
Date:   Fri Mar 3 18:27:42 2017 -0500

    Consider CRTCs disabled when DPMS is off
    
    It turns out there's a difference in X between a CRTC being "disabled"
    and simply having it's DPMS turned off. This is problematic though,
    because if DPMS is turned off you can't really use the CRTC as a normal
    CRTC anyway since page flipping and vblanks will be non-functional. As a
    result, we've been considering DPMS-on CRTCs as enabled and attempt to
    perform pageflips, vblank waits, etc. on them which inevitably fails. and
    usually breaks the display the first time any of the CRTCs have their
    DPMS turned on.
    
    This was a problem that didn't really show itself until kernel 4.10 when
    atomic modesetting was added which caused nouveau to stop trying to
    fulfill pageflips and vblank waits on disabled CRTCs. I'm not sure how
    pageflipping disabled CRTCs ever worked in the first place, but since
    not doing so is the proper behavior anyway I haven't investigated any
    further.
    
    So, copy the ms_crtc_on() function from the modesetting driver and add
    it here as drmmode_crtc_on(), then use that in all of the places where
    we should be checking for both DPMS off and disabled CRTCs.
    
    This fixes issues with the X ceasing to function (usually) after the
    first time a CRTC has it's DPMS turned on. Reproduction recipe:
    
    - Load up gnome-shell on a machine
    - Wait for the display to timeout from inactivity and turn itself off
    - Shake the cursor or press something on the keyboard. Chances are the
      monitor will come back on, but the display remains black until the
      next time the X server is restarted.
    
    Signed-off-by: Lyude <lyude@redhat.com>
    Reviewed-by: Adam Jackson <ajax@redhat.com>
    (cherry picked from commit 924083938c8f209d8f6ff472caf8692a644f7e78)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index b6c9bb9..dd9fa27 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -65,6 +65,7 @@ typedef struct {
     uint32_t rotate_fb_id;
     Bool cursor_visible;
     int scanout_pixmap_x;
+    int dpms_mode;
 } drmmode_crtc_private_rec, *drmmode_crtc_private_ptr;
 
 typedef struct {
@@ -114,6 +115,14 @@ drmmode_crtc(xf86CrtcPtr crtc)
 	return drmmode_crtc->mode_crtc->crtc_id;
 }
 
+Bool
+drmmode_crtc_on(xf86CrtcPtr crtc)
+{
+    drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
+
+    return crtc->enabled && drmmode_crtc->dpms_mode == DPMSModeOn;
+}
+
 int
 drmmode_head(xf86CrtcPtr crtc)
 {
@@ -313,9 +322,10 @@ drmmode_ConvertToKMode(ScrnInfoPtr scrn, drmModeModeInfo *kmode,
 }
 
 static void
-drmmode_crtc_dpms(xf86CrtcPtr drmmode_crtc, int mode)
+drmmode_crtc_dpms(xf86CrtcPtr crtc, int mode)
 {
-
+	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
+	drmmode_crtc->dpms_mode = mode;
 }
 
 void
diff --git a/src/nouveau_dri2.c b/src/nouveau_dri2.c
index 81ee9be..cbb7b2a 100644
--- a/src/nouveau_dri2.c
+++ b/src/nouveau_dri2.c
@@ -279,23 +279,27 @@ can_exchange(DrawablePtr draw, PixmapPtr dst_pix, PixmapPtr src_pix)
 	ScrnInfoPtr scrn = xf86ScreenToScrn(draw->pScreen);
 	xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
 	NVPtr pNv = NVPTR(scrn);
-	int i;
+	int i, active_crtc_count = 0;
 
 	if (!xf86_config->num_crtc)
 		return FALSE;
 
 	for (i = 0; i < xf86_config->num_crtc; i++) {
 		xf86CrtcPtr crtc = xf86_config->crtc[i];
-		if (crtc->enabled && crtc->rotatedData)
-			return FALSE;
+		if (drmmode_crtc_on(crtc)) {
+			if (crtc->rotatedData)
+				return FALSE;
 
+			active_crtc_count++;
+		}
 	}
 
 	return ((DRI2CanFlip(draw) && pNv->has_pageflip)) &&
 		dst_pix->drawable.width == src_pix->drawable.width &&
 		dst_pix->drawable.height == src_pix->drawable.height &&
 		dst_pix->drawable.bitsPerPixel == src_pix->drawable.bitsPerPixel &&
-		dst_pix->devKind == src_pix->devKind;
+		dst_pix->devKind == src_pix->devKind &&
+		active_crtc_count;
 }
 
 static Bool
@@ -475,7 +479,7 @@ dri2_page_flip(DrawablePtr draw, PixmapPtr back, void *priv,
 		int head = drmmode_crtc(config->crtc[i]);
 		void *token;
 
-		if (!config->crtc[i]->enabled)
+		if (!drmmode_crtc_on(config->crtc[i]))
 			continue;
 
 		flipdata->flip_count++;
diff --git a/src/nouveau_present.c b/src/nouveau_present.c
index 482ac6e..ebd5fcf 100644
--- a/src/nouveau_present.c
+++ b/src/nouveau_present.c
@@ -152,7 +152,7 @@ nouveau_present_flip_check(RRCrtcPtr rrcrtc, WindowPtr window,
 	ScrnInfoPtr scrn = xf86ScreenToScrn(window->drawable.pScreen);
 	xf86CrtcPtr crtc = rrcrtc->devPrivate;
 
-	if (!scrn->vtSema || !crtc->enabled)
+	if (!scrn->vtSema || !drmmode_crtc_on(crtc))
 		return FALSE;
 
 	return TRUE;
@@ -199,7 +199,7 @@ nouveau_present_flip_exec(ScrnInfoPtr scrn, uint64_t event_id, int sync,
 			flip->msc = target_msc;
 
 			for (i = 0; i < config->num_crtc; i++) {
-				if (config->crtc[i]->enabled)
+				if (drmmode_crtc_on(config->crtc[i]))
 					last = i;
 			}
 
@@ -208,7 +208,7 @@ nouveau_present_flip_exec(ScrnInfoPtr scrn, uint64_t event_id, int sync,
 				int crtc = drmmode_crtc(config->crtc[i]);
 				void *user = NULL;
 
-				if (!config->crtc[i]->enabled)
+				if (!drmmode_crtc_on(config->crtc[i]))
 					continue;
 
 				if (token && ((crtc == sync) || (i == last))) {
diff --git a/src/nouveau_xv.c b/src/nouveau_xv.c
index d514dbf..df3112c 100644
--- a/src/nouveau_xv.c
+++ b/src/nouveau_xv.c
@@ -299,7 +299,7 @@ nv_window_belongs_to_crtc(ScrnInfoPtr pScrn, int x, int y, int w, int h)
 	for (i = 0; i < xf86_config->num_crtc; i++) {
 		xf86CrtcPtr crtc = xf86_config->crtc[i];
 
-		if (!crtc->enabled)
+		if (!drmmode_crtc_on(crtc))
 			continue;
 
 		if ((x < (crtc->x + crtc->mode.HDisplay)) &&
diff --git a/src/nv_proto.h b/src/nv_proto.h
index 122ede5..4a57406 100644
--- a/src/nv_proto.h
+++ b/src/nv_proto.h
@@ -13,6 +13,7 @@ void drmmode_screen_init(ScreenPtr pScreen);
 void drmmode_screen_fini(ScreenPtr pScreen);
 
 int  drmmode_crtc(xf86CrtcPtr crtc);
+Bool drmmode_crtc_on(xf86CrtcPtr crtc);
 int  drmmode_head(xf86CrtcPtr crtc);
 void drmmode_swap(ScrnInfoPtr, uint32_t, uint32_t *);
 


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