From 78abcb88fedd7177a5da93a987793d3a86a0ec57 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <wallbraker@gmail.com>
Date: Wed, 25 Mar 2009 20:51:33 +0000
Subject: st/egl: Fix warning

---
 src/gallium/state_trackers/egl/egl_tracker.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/gallium/state_trackers/egl/egl_tracker.c')

diff --git a/src/gallium/state_trackers/egl/egl_tracker.c b/src/gallium/state_trackers/egl/egl_tracker.c
index a22ef381b9..9667c7ee3d 100644
--- a/src/gallium/state_trackers/egl/egl_tracker.c
+++ b/src/gallium/state_trackers/egl/egl_tracker.c
@@ -66,10 +66,13 @@ drm_get_device_id(struct drm_device *device)
 {
 	char path[512];
 	FILE *file;
+	char *ret;
 
 	/* TODO get the real minor */
 	int minor = 0;
 
+	device->deviceID = 0;
+
 	snprintf(path, sizeof(path), "/sys/class/drm/card%d/device/device", minor);
 	file = fopen(path, "r");
 	if (!file) {
@@ -77,7 +80,10 @@ drm_get_device_id(struct drm_device *device)
 		return;
 	}
 
-	fgets(path, sizeof( path ), file);
+	ret = fgets(path, sizeof( path ), file);
+	if (!ret)
+		return;
+
 	sscanf(path, "%x", &device->deviceID);
 	fclose(file);
 }
-- 
cgit v1.2.3


From e21d31e8ab047966a3d6c6ee489e5cfe93819781 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <wallbraker@gmail.com>
Date: Wed, 25 Mar 2009 20:51:47 +0000
Subject: st/egl: Set dpms to on when showing screens

	There is a wonderful bug in 2.6.29 that causes a hard lock on my
	computer when this code is active for lvds that are turned off.
---
 src/gallium/state_trackers/egl/egl_surface.c |  7 +++++++
 src/gallium/state_trackers/egl/egl_tracker.c | 21 +++++++++++++++++++++
 src/gallium/state_trackers/egl/egl_tracker.h |  3 +++
 3 files changed, 31 insertions(+)

(limited to 'src/gallium/state_trackers/egl/egl_tracker.c')

diff --git a/src/gallium/state_trackers/egl/egl_surface.c b/src/gallium/state_trackers/egl/egl_surface.c
index e6e80b985a..ca545b12e6 100644
--- a/src/gallium/state_trackers/egl/egl_surface.c
+++ b/src/gallium/state_trackers/egl/egl_surface.c
@@ -330,6 +330,13 @@ drm_show_screen_surface_mesa(_EGLDriver *drv, EGLDisplay dpy,
 	if (ret)
 		goto err_crtc;
 
+
+	if (scrn->dpms)
+		drmModeConnectorSetProperty(dev->drmFD,
+		                            scrn->connectorID,
+		                            scrn->dpms->prop_id,
+		                            DRM_MODE_DPMS_ON);
+
 	surf->screen = scrn;
 
 	scrn->surf = surf;
diff --git a/src/gallium/state_trackers/egl/egl_tracker.c b/src/gallium/state_trackers/egl/egl_tracker.c
index 9667c7ee3d..abdf84544f 100644
--- a/src/gallium/state_trackers/egl/egl_tracker.c
+++ b/src/gallium/state_trackers/egl/egl_tracker.c
@@ -107,6 +107,25 @@ drm_add_modes_from_connector(_EGLScreen *screen, drmModeConnectorPtr connector)
 	}
 }
 
+static void
+drm_find_dpms(struct drm_device *dev, struct drm_screen *screen)
+{
+	drmModeConnectorPtr c = screen->connector;
+	drmModePropertyPtr p;
+	int i;
+
+	for (i = 0; i < c->count_props; i++) {
+		p = drmModeGetProperty(dev->drmFD, c->props[i]);
+		if (!strcmp(p->name, "DPMS"))
+			break;
+
+		drmModeFreeProperty(p);
+		p = NULL;
+	}
+
+	screen->dpms = p;
+}
+
 EGLBoolean
 drm_initialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *major, EGLint *minor)
 {
@@ -160,6 +179,7 @@ drm_initialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *major, EGLint *minor)
 		_eglInitScreen(&screen->base);
 		_eglAddScreen(disp, &screen->base);
 		drm_add_modes_from_connector(&screen->base, connector);
+		drm_find_dpms(dev, screen);
 		dev->screens[num_screens++] = screen;
 	}
 	dev->count_screens = num_screens;
@@ -206,6 +226,7 @@ drm_terminate(_EGLDriver *drv, EGLDisplay dpy)
 		if (screen->shown)
 			drm_takedown_shown_screen(drv, screen);
 
+		drmModeFreeProperty(screen->dpms);
 		drmModeFreeConnector(screen->connector);
 		_eglDestroyScreen(&screen->base);
 		dev->screens[i] = NULL;
diff --git a/src/gallium/state_trackers/egl/egl_tracker.h b/src/gallium/state_trackers/egl/egl_tracker.h
index 908bab5f9b..ce2717de63 100644
--- a/src/gallium/state_trackers/egl/egl_tracker.h
+++ b/src/gallium/state_trackers/egl/egl_tracker.h
@@ -114,6 +114,9 @@ struct drm_screen
 	drmModeConnectorPtr connector;
 	uint32_t connectorID;
 
+	/* dpms property */
+	drmModePropertyPtr dpms;
+
 	/* Has this screen been shown */
 	int shown;
 
-- 
cgit v1.2.3