From: Paulo Zanoni <paulo.r.zan...@intel.com>
Don't worry if that fails: only the KVMr feature will be affected.
We still need to change the sna/ code.
We also need to add the dependency on libdrm.
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
src/intel.h | 3 ++
src/intel_display.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++
src/intel_driver.c | 2 +
3 files changed, 85 insertions(+), 0 deletions(-)
This is just an RFC. Read comment from Kernel patch 0007.
diff --git a/src/intel.h b/src/intel.h
index f806aea..29df531 100644
--- a/src/intel.h
+++ b/src/intel.h
@@ -644,4 +644,7 @@ static inline Bool intel_pixmap_is_offscreen(PixmapPtr
pixmap)
return priv && priv->offscreen;
}
+/* intel_display.c */
+void intel_crtc_leave_vt(ScrnInfoPtr scrn);
+
#endif /* _I830_H_ */
diff --git a/src/intel_display.c b/src/intel_display.c
index abdc372..0dd85b8 100644
--- a/src/intel_display.c
+++ b/src/intel_display.c
@@ -82,6 +82,7 @@ struct intel_crtc {
uint32_t rotate_fb_id;
xf86CrtcPtr crtc;
struct list link;
+ drmModePropertyPtr rotation_prop;
};
struct intel_property {
@@ -418,6 +419,44 @@ done:
return ret;
}
+static void
+intel_crtc_inform_rotation(xf86CrtcPtr crtc, Rotation rotation)
+{
+ struct intel_crtc *intel_crtc = crtc->driver_private;
+ int ret, int_rotation;
+
+ /* Try to inform the Kernel about our current rotation but don't
+ * worry if that fails */
+ if (!intel_crtc->rotation_prop)
+ return;
+
+ switch (rotation) {
+ case RR_Rotate_0:
+ int_rotation = 0;
+ break;
+ case RR_Rotate_90:
+ int_rotation = 90;
+ break;
+ case RR_Rotate_180:
+ int_rotation = 180;
+ break;
+ case RR_Rotate_270:
+ int_rotation = 270;
+ break;
+ default:
+ int_rotation = 0;
+ }
+
+ ret = drmModeObjectSetProperty(intel_crtc->mode->fd,
+ crtc_id(intel_crtc),
+ DRM_MODE_OBJECT_CRTC,
+ intel_crtc->rotation_prop->prop_id,
+ int_rotation);
+ if (ret)
+ xf86DrvMsg(crtc->scrn->scrnIndex, X_WARNING,
+ "Failed to set CRTC rotation: %s\n", strerror(-ret));
+}
+
static Bool
intel_crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
Rotation rotation, int x, int y)
@@ -464,6 +503,8 @@ intel_crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr
mode,
crtc->y = saved_y;
crtc->rotation = saved_rotation;
crtc->mode = saved_mode;
+ } else {
+ intel_crtc_inform_rotation(crtc, rotation);
}
return ret;
}
@@ -640,12 +681,49 @@ intel_crtc_destroy(xf86CrtcPtr crtc)
intel_crtc->cursor = NULL;
}
+ if (intel_crtc->rotation_prop)
+ drmModeFreeProperty(intel_crtc->rotation_prop);
+
list_del(&intel_crtc->link);
free(intel_crtc);
crtc->driver_private = NULL;
}
+static void
+intel_crtc_load_properties(struct intel_mode *mode,
+ struct intel_crtc *crtc)
+{
+ unsigned int i;
+ drmModeObjectPropertiesPtr props;
+ drmModePropertyPtr prop;
+
+ crtc->rotation_prop = NULL;
+
+ props = drmModeObjectGetProperties(mode->fd, crtc_id(crtc),
+ DRM_MODE_OBJECT_CRTC);
+ if (props) {
+ for (i = 0; i < props->count_props; i++) {
+ prop = drmModeGetProperty(mode->fd, props->props[i]);
+ if (!strcmp(prop->name, "rotation"))
+ crtc->rotation_prop = prop;
+ else
+ drmModeFreeProperty(prop);
+ }
+ drmModeFreeObjectProperties(props);
+ }
+}
+
+void
+intel_crtc_leave_vt(ScrnInfoPtr scrn)
+{
+ int i;
+ xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
+
+ for (i = 0; i < xf86_config->num_crtc; i++)
+ intel_crtc_inform_rotation(xf86_config->crtc[i], RR_Rotate_0);
+}
+
static const xf86CrtcFuncsRec intel_crtc_funcs = {
.dpms = intel_crtc_dpms,
.set_mode_major = intel_crtc_set_mode_major,
@@ -692,6 +770,8 @@ intel_crtc_init(ScrnInfoPtr scrn, struct intel_mode *mode,
int num)
intel_crtc->crtc = crtc;
list_add(&intel_crtc->link, &mode->crtcs);
+
+ intel_crtc_load_properties(mode, intel_crtc);
}
static Bool
diff --git a/src/intel_driver.c b/src/intel_driver.c
index 4265de8..98466a3 100644
--- a/src/intel_driver.c
+++ b/src/intel_driver.c
@@ -1115,6 +1115,8 @@ static void I830LeaveVT(int scrnIndex, int flags)
intel_screen_private *intel = intel_get_screen_private(scrn);
int ret;
+ intel_crtc_leave_vt(scrn);
+
xf86RotateFreeShadow(scrn);
xf86_hide_cursors(scrn);
--
1.7.9.1
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