Merge remote branch 'airlied/drm-next' into drm-intel-next

4 files changed, 50 insertions, 33 deletions

diff --git a/include/drm/drm.h b/include/drm/drm.h
index fa6d9155873d..3919a4f792ae 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -687,6 +687,7 @@ struct drm_gem_open {
 #define DRM_IOCTL_MODE_GETFB            DRM_IOWR(0xAD, struct drm_mode_fb_cmd)
 #define DRM_IOCTL_MODE_ADDFB            DRM_IOWR(0xAE, struct drm_mode_fb_cmd)
 #define DRM_IOCTL_MODE_RMFB             DRM_IOWR(0xAF, unsigned int)
+#define DRM_IOCTL_MODE_PAGE_FLIP        DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
 
 /**
  * Device specific ioctls should only be in their respective headers
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 1b807d0f6cdb..febf6c530c66 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -245,16 +245,6 @@ extern void drm_ut_debug_printk(unsigned int request_level,
 
 #endif
 
-#define DRM_PROC_LIMIT (PAGE_SIZE-80)
-
-#define DRM_PROC_PRINT(fmt, arg...)                                     \
-   len += sprintf(&buf[len], fmt , ##arg);                              \
-   if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; }
-
-#define DRM_PROC_PRINT_RET(ret, fmt, arg...)                            \
-   len += sprintf(&buf[len], fmt , ##arg);                              \
-   if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; }
-
 /*@}*/
 
 /***********************************************************************/
@@ -265,19 +255,8 @@ extern void drm_ut_debug_printk(unsigned int request_level,
 
 #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1))
 #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
-#define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist)
 
 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
-/**
- * Get the private SAREA mapping.
- *
- * \param _dev DRM device.
- * \param _ctx context number.
- * \param _map output mapping.
- */
-#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do {       \
-        (_map) = (_dev)->context_sareas[_ctx];          \
-} while(0)
 
 /**
  * Test that the hardware lock is held by the caller, returning otherwise.
@@ -297,18 +276,6 @@ do {										\
 } while (0)
 
 /**
- * Copy and IOCTL return string to user space
- */
-#define DRM_COPY( name, value )                                         \
-        len = strlen( value );                                          \
-        if ( len > name##_len ) len = name##_len;                       \
-        name##_len = strlen( value );                                   \
-        if ( len && name ) {                                            \
-                if ( copy_to_user( name, value, len ) )                 \
-                        return -EFAULT;                                 \
-        }
-
-/**
  * Ioctl function type.
  *
  * \param inode device inode.
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index bfcc60d101db..51d613673b2e 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -290,6 +290,7 @@ struct drm_property {
 struct drm_crtc;
 struct drm_connector;
 struct drm_encoder;
+struct drm_pending_vblank_event;
 
 /**
  * drm_crtc_funcs - control CRTCs for a given device
@@ -333,6 +334,19 @@ struct drm_crtc_funcs {
         void (*destroy)(struct drm_crtc *crtc);
 
         int (*set_config)(struct drm_mode_set *set);
+
+        /*
+         * Flip to the given framebuffer.  This implements the page
+         * flip ioctl descibed in drm_mode.h, specifically, the
+         * implementation must return immediately and block all
+         * rendering to the current fb until the flip has completed.
+         * If userspace set the event flag in the ioctl, the event
+         * argument will point to an event to send back when the flip
+         * completes, otherwise it will be NULL.
+         */
+        int (*page_flip)(struct drm_crtc *crtc,
+                         struct drm_framebuffer *fb,
+                         struct drm_pending_vblank_event *event);
 };
 
 /**
@@ -757,6 +771,8 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
                                     void *data, struct drm_file *file_priv);
 extern bool drm_detect_hdmi_monitor(struct edid *edid);
+extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
+                                    void *data, struct drm_file *file_priv);
 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
                                 int hdisplay, int vdisplay, int vrefresh,
                                 bool reduced, bool interlaced, bool margins);
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index 1f908416aedb..68ddc6175ae7 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -268,4 +268,37 @@ struct drm_mode_crtc_lut {
         __u64 blue;
 };
 
+#define DRM_MODE_PAGE_FLIP_EVENT 0x01
+#define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT
+
+/*
+ * Request a page flip on the specified crtc.
+ *
+ * This ioctl will ask KMS to schedule a page flip for the specified
+ * crtc.  Once any pending rendering targeting the specified fb (as of
+ * ioctl time) has completed, the crtc will be reprogrammed to display
+ * that fb after the next vertical refresh.  The ioctl returns
+ * immediately, but subsequent rendering to the current fb will block
+ * in the execbuffer ioctl until the page flip happens.  If a page
+ * flip is already pending as the ioctl is called, EBUSY will be
+ * returned.
+ *
+ * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will
+ * request that drm sends back a vblank event (see drm.h: struct
+ * drm_event_vblank) when the page flip is done.  The user_data field
+ * passed in with this ioctl will be returned as the user_data field
+ * in the vblank event struct.
+ *
+ * The reserved field must be zero until we figure out something
+ * clever to use it for.
+ */
+
+struct drm_mode_crtc_page_flip {
+        __u32 crtc_id;
+        __u32 fb_id;
+        __u32 flags;
+        __u32 reserved;
+        __u64 user_data;
+};
+
 #endif