fontconfig libX11 mesa xserver git update 4 Jan 2015

xserver          commit dc777c346d5d452a53b13b917c45f6a1bad2f20b
libX11           commit 446f5f7f41317a85a0cd0efa5e6a1b37bc99fba2
fontconfig       commit 4420b27c074821a1d1f9d6ebe822a610176a417d
mesa             commit 48094d0e6554a9df36bf00fc2793ade46cf92406

10 files changed, 691 insertions, 238 deletions

diff --git a/xorg-server/hw/xfree86/drivers/modesetting/Makefile.am b/xorg-server/hw/xfree86/drivers/modesetting/Makefile.am
index 5b08600c1..82c4f2f32 100644
--- a/xorg-server/hw/xfree86/drivers/modesetting/Makefile.am
+++ b/xorg-server/hw/xfree86/drivers/modesetting/Makefile.am
@@ -48,6 +48,9 @@ modesetting_drv_la_SOURCES = \
 	 driver.h \
 	 drmmode_display.c \
 	 drmmode_display.h \
+	 dumb_bo.c \
+	 dumb_bo.h \
+	 present.c \
 	 vblank.c \
 	 $(NULL)
 
diff --git a/xorg-server/hw/xfree86/drivers/modesetting/dri2.c b/xorg-server/hw/xfree86/drivers/modesetting/dri2.c
index 6c88060b0..63cb0659d 100644
--- a/xorg-server/hw/xfree86/drivers/modesetting/dri2.c
+++ b/xorg-server/hw/xfree86/drivers/modesetting/dri2.c
@@ -43,8 +43,6 @@
 #include "dri2.h"
 
 #ifdef GLAMOR
-#define GLAMOR_FOR_XORG 1
-#include "glamor.h"
 
 enum ms_dri2_frame_event_type {
     MS_DRI2_QUEUE_SWAP,
diff --git a/xorg-server/hw/xfree86/drivers/modesetting/driver.c b/xorg-server/hw/xfree86/drivers/modesetting/driver.c
index 592f2469b..1ebf807e5 100644
--- a/xorg-server/hw/xfree86/drivers/modesetting/driver.c
+++ b/xorg-server/hw/xfree86/drivers/modesetting/driver.c
@@ -61,11 +61,6 @@
 
 #include "driver.h"
 
-#ifdef GLAMOR
-#define GLAMOR_FOR_XORG 1
-#include "glamor.h"
-#endif
-
 static void AdjustFrame(ScrnInfoPtr pScrn, int x, int y);
 static Bool CloseScreen(ScreenPtr pScreen);
 static Bool EnterVT(ScrnInfoPtr pScrn);
@@ -453,11 +448,12 @@ dispatch_dirty_region(ScrnInfoPtr scrn,
     modesettingPtr ms = modesettingPTR(scrn);
     RegionPtr dirty = DamageRegion(damage);
     unsigned num_cliprects = REGION_NUM_RECTS(dirty);
+    int ret = 0;
 
     if (num_cliprects) {
         drmModeClip *clip = malloc(num_cliprects * sizeof(drmModeClip));
         BoxPtr rect = REGION_RECTS(dirty);
-        int i, ret;
+        int i;
 
         if (!clip)
             return -ENOMEM;
@@ -474,12 +470,8 @@ dispatch_dirty_region(ScrnInfoPtr scrn,
         ret = drmModeDirtyFB(ms->fd, fb_id, clip, num_cliprects);
         free(clip);
         DamageEmpty(damage);
-        if (ret) {
-            if (ret == -EINVAL)
-                return ret;
-        }
     }
-    return 0;
+    return ret;
 }
 
 static void
@@ -593,7 +585,7 @@ try_enable_glamor(ScrnInfoPtr pScrn)
     Bool do_glamor = (!accel_method_str ||
                       strcmp(accel_method_str, "glamor") == 0);
 
-    ms->glamor = FALSE;
+    ms->drmmode.glamor = FALSE;
 
 #ifdef GLAMOR
     if (!do_glamor) {
@@ -604,7 +596,7 @@ try_enable_glamor(ScrnInfoPtr pScrn)
     if (xf86LoadSubModule(pScrn, GLAMOR_EGL_MODULE_NAME)) {
         if (glamor_egl_init(pScrn, ms->fd)) {
             xf86DrvMsg(pScrn->scrnIndex, X_INFO, "glamor initialized\n");
-            ms->glamor = TRUE;
+            ms->drmmode.glamor = TRUE;
         } else {
             xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
                        "glamor initialization failed\n");
@@ -788,7 +780,7 @@ PreInit(ScrnInfoPtr pScrn, int flags)
 
     try_enable_glamor(pScrn);
 
-    if (ms->glamor) {
+    if (ms->drmmode.glamor) {
         xf86LoadSubModule(pScrn, "dri2");
     } else {
         Bool prefer_shadow = TRUE;
@@ -861,7 +853,7 @@ msShadowWindow(ScreenPtr screen, CARD32 row, CARD32 offset, int mode,
     stride = (pScrn->displayWidth * pScrn->bitsPerPixel) / 8;
     *size = stride;
 
-    return ((uint8_t *) ms->drmmode.front_bo->ptr + row * stride + offset);
+    return ((uint8_t *) ms->drmmode.front_bo.dumb->ptr + row * stride + offset);
 }
 
 static void
@@ -877,7 +869,8 @@ CreateScreenResources(ScreenPtr pScreen)
     modesettingPtr ms = modesettingPTR(pScrn);
     PixmapPtr rootPixmap;
     Bool ret;
-    void *pixels;
+    void *pixels = NULL;
+    int err;
 
     pScreen->CreateScreenResources = ms->createScreenResources;
     ret = pScreen->CreateScreenResources(pScreen);
@@ -886,27 +879,19 @@ CreateScreenResources(ScreenPtr pScreen)
     if (!drmmode_set_desired_modes(pScrn, &ms->drmmode))
         return FALSE;
 
-#ifdef GLAMOR
-    if (ms->glamor) {
-        if (!glamor_egl_create_textured_screen_ext(pScreen,
-                                                   ms->drmmode.front_bo->handle,
-                                                   pScrn->displayWidth *
-                                                   pScrn->bitsPerPixel / 8,
-                                                   NULL)) {
-            xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
-                       "glamor_egl_create_textured_screen_ext() failed\n");
-            return FALSE;
-        }
-    }
-#endif
+    if (!drmmode_glamor_handle_new_screen_pixmap(&ms->drmmode))
+        return FALSE;
 
     drmmode_uevent_init(pScrn, &ms->drmmode);
 
     if (!ms->drmmode.sw_cursor)
         drmmode_map_cursor_bos(pScrn, &ms->drmmode);
-    pixels = drmmode_map_front_bo(&ms->drmmode);
-    if (!pixels)
-        return FALSE;
+
+    if (!ms->drmmode.gbm) {
+        pixels = drmmode_map_front_bo(&ms->drmmode);
+        if (!pixels)
+            return FALSE;
+    }
 
     rootPixmap = pScreen->GetScreenPixmap(pScreen);
 
@@ -922,18 +907,22 @@ CreateScreenResources(ScreenPtr pScreen)
             return FALSE;
     }
 
-    ms->damage = DamageCreate(NULL, NULL, DamageReportNone, TRUE,
-                              pScreen, rootPixmap);
+    err = drmModeDirtyFB(ms->fd, ms->drmmode.fb_id, NULL, 0);
 
-    if (ms->damage) {
-        DamageRegister(&rootPixmap->drawable, ms->damage);
-        ms->dirty_enabled = TRUE;
-        xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Damage tracking initialized\n");
-    }
-    else {
-        xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
-                   "Failed to create screen damage record\n");
-        return FALSE;
+    if (err != -EINVAL && err != -ENOSYS) {
+        ms->damage = DamageCreate(NULL, NULL, DamageReportNone, TRUE,
+                                  pScreen, rootPixmap);
+
+        if (ms->damage) {
+            DamageRegister(&rootPixmap->drawable, ms->damage);
+            ms->dirty_enabled = TRUE;
+            xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Damage tracking initialized\n");
+        }
+        else {
+            xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+                       "Failed to create screen damage record\n");
+            return FALSE;
+        }
     }
     return ret;
 }
@@ -996,6 +985,11 @@ ScreenInit(ScreenPtr pScreen, int argc, char **argv)
     if (!SetMaster(pScrn))
         return FALSE;
 
+#ifdef GLAMOR_HAS_GBM
+    if (ms->drmmode.glamor)
+        ms->drmmode.gbm = glamor_egl_get_gbm_device(pScreen);
+#endif
+
     /* HW dependent - FIXME */
     pScrn->displayWidth = pScrn->virtualX;
     if (!drmmode_create_initial_bos(pScrn, &ms->drmmode))
@@ -1053,7 +1047,7 @@ ScreenInit(ScreenPtr pScreen, int argc, char **argv)
     fbPictureInit(pScreen, NULL, 0);
 
 #ifdef GLAMOR
-    if (ms->glamor) {
+    if (ms->drmmode.glamor) {
         if (!glamor_init(pScreen,
                          GLAMOR_USE_EGL_SCREEN |
                          GLAMOR_USE_SCREEN |
@@ -1106,6 +1100,19 @@ ScreenInit(ScreenPtr pScreen, int argc, char **argv)
 
     xf86DPMSInit(pScreen, xf86DPMSSet, 0);
 
+#ifdef GLAMOR
+    if (ms->drmmode.glamor) {
+        XF86VideoAdaptorPtr     glamor_adaptor;
+
+        glamor_adaptor = glamor_xv_init(pScreen, 16);
+        if (glamor_adaptor != NULL)
+            xf86XVScreenInit(pScreen, &glamor_adaptor, 1);
+        else
+            xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+                       "Failed to initialize XV support.\n");
+    }
+#endif
+
     if (serverGeneration == 1)
         xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
 
@@ -1116,11 +1123,16 @@ ScreenInit(ScreenPtr pScreen, int argc, char **argv)
     }
 
 #ifdef GLAMOR
-    if (ms->glamor) {
+    if (ms->drmmode.glamor) {
         if (!ms_dri2_screen_init(pScreen)) {
             xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
                        "Failed to initialize the DRI2 extension.\n");
         }
+
+        if (!ms_present_screen_init(pScreen)) {
+            xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+                       "Failed to initialize the Present extension.\n");
+        }
     }
 #endif
 
@@ -1190,7 +1202,7 @@ CloseScreen(ScreenPtr pScreen)
     modesettingPtr ms = modesettingPTR(pScrn);
 
 #ifdef GLAMOR
-    if (ms->glamor) {
+    if (ms->drmmode.glamor) {
         ms_dri2_close_screen(pScreen);
     }
 #endif
diff --git a/xorg-server/hw/xfree86/drivers/modesetting/driver.h b/xorg-server/hw/xfree86/drivers/modesetting/driver.h
index 9eda1c4da..3decc3eea 100644
--- a/xorg-server/hw/xfree86/drivers/modesetting/driver.h
+++ b/xorg-server/hw/xfree86/drivers/modesetting/driver.h
@@ -33,6 +33,14 @@
 #include <xf86Crtc.h>
 #include <damage.h>
 
+#ifdef GLAMOR
+#define GLAMOR_FOR_XORG 1
+#include "glamor.h"
+#ifdef GLAMOR_HAS_GBM
+#include <gbm.h>
+#endif
+#endif
+
 #include "drmmode_display.h"
 #define DRV_ERROR(msg)	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, msg);
 
@@ -97,7 +105,6 @@ typedef struct _modesettingRec {
     Bool dirty_enabled;
 
     uint32_t cursor_width, cursor_height;
-    Bool glamor;
 } modesettingRec, *modesettingPtr;
 
 #define modesettingPTR(p) ((modesettingPtr)((p)->driverPrivate))
@@ -107,6 +114,10 @@ uint32_t ms_drm_queue_alloc(xf86CrtcPtr crtc,
                             ms_drm_handler_proc handler,
                             ms_drm_abort_proc abort);
 
+void ms_drm_abort(ScrnInfoPtr scrn,
+                  Bool (*match)(void *data, void *match_data),
+                  void *match_data);
+
 xf86CrtcPtr ms_dri2_crtc_covering_drawable(DrawablePtr pDraw);
 xf86CrtcPtr ms_covering_crtc(ScrnInfoPtr scrn, BoxPtr box,
                              xf86CrtcPtr desired, BoxPtr crtc_box_ret);
@@ -122,3 +133,5 @@ void ms_dri2_close_screen(ScreenPtr screen);
 
 Bool ms_vblank_screen_init(ScreenPtr screen);
 void ms_vblank_close_screen(ScreenPtr screen);
+
+Bool ms_present_screen_init(ScreenPtr screen);
diff --git a/xorg-server/hw/xfree86/drivers/modesetting/drmmode_display.c b/xorg-server/hw/xfree86/drivers/modesetting/drmmode_display.c
index ef9009e98..824500bae 100644
--- a/xorg-server/hw/xfree86/drivers/modesetting/drmmode_display.c
+++ b/xorg-server/hw/xfree86/drivers/modesetting/drmmode_display.c
@@ -33,6 +33,7 @@
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <unistd.h>
+#include "dumb_bo.h"
 #include "xf86str.h"
 #include "X11/Xatom.h"
 #include "micmap.h"
@@ -49,112 +50,64 @@
 
 #include "driver.h"
 
-static struct dumb_bo *
-dumb_bo_create(int fd,
-               const unsigned width, const unsigned height, const unsigned bpp)
-{
-    struct drm_mode_create_dumb arg;
-    struct dumb_bo *bo;
-    int ret;
-
-    bo = calloc(1, sizeof(*bo));
-    if (!bo)
-        return NULL;
-
-    memset(&arg, 0, sizeof(arg));
-    arg.width = width;
-    arg.height = height;
-    arg.bpp = bpp;
-
-    ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
-    if (ret)
-        goto err_free;
-
-    bo->handle = arg.handle;
-    bo->size = arg.size;
-    bo->pitch = arg.pitch;
-
-    return bo;
- err_free:
-    free(bo);
-    return NULL;
-}
-
 static int
-dumb_bo_map(int fd, struct dumb_bo *bo)
+drmmode_bo_destroy(drmmode_ptr drmmode, drmmode_bo *bo)
 {
-    struct drm_mode_map_dumb arg;
     int ret;
-    void *map;
 
-    if (bo->ptr) {
-        bo->map_count++;
-        return 0;
+#ifdef GLAMOR_HAS_GBM
+    if (bo->gbm) {
+        gbm_bo_destroy(bo->gbm);
+        bo->gbm = NULL;
     }
+#endif
 
-    memset(&arg, 0, sizeof(arg));
-    arg.handle = bo->handle;
-
-    ret = drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
-    if (ret)
-        return ret;
-
-    map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, arg.offset);
-    if (map == MAP_FAILED)
-        return -errno;
+    if (bo->dumb) {
+        ret = dumb_bo_destroy(drmmode->fd, bo->dumb);
+        if (ret == 0)
+            bo->dumb = NULL;
+    }
 
-    bo->ptr = map;
     return 0;
 }
 
-#if 0
-static int
-dumb_bo_unmap(int fd, struct dumb_bo *bo)
+static uint32_t
+drmmode_bo_get_pitch(drmmode_bo *bo)
 {
-    bo->map_count--;
-    return 0;
-}
+#ifdef GLAMOR_HAS_GBM
+    if (bo->gbm)
+        return gbm_bo_get_stride(bo->gbm);
 #endif
 
-int
-dumb_bo_destroy(int fd, struct dumb_bo *bo)
-{
-    struct drm_mode_destroy_dumb arg;
-    int ret;
-
-    if (bo->ptr) {
-        munmap(bo->ptr, bo->size);
-        bo->ptr = NULL;
-    }
-
-    memset(&arg, 0, sizeof(arg));
-    arg.handle = bo->handle;
-    ret = drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
-    if (ret)
-        return -errno;
-
-    free(bo);
-    return 0;
+    return bo->dumb->pitch;
 }
 
-struct dumb_bo *
-dumb_get_bo_from_fd(int fd, int handle, int pitch, int size)
+uint32_t
+drmmode_bo_get_handle(drmmode_bo *bo)
 {
-    struct dumb_bo *bo;
-    int ret;
+#ifdef GLAMOR_HAS_GBM
+    if (bo->gbm)
+        return gbm_bo_get_handle(bo->gbm).u32;
+#endif
 
-    bo = calloc(1, sizeof(*bo));
-    if (!bo)
-        return NULL;
+    return bo->dumb->handle;
+}
 
-    ret = drmPrimeFDToHandle(fd, handle, &bo->handle);
-    if (ret) {
-        free(bo);
-        return NULL;
+static Bool
+drmmode_create_bo(drmmode_ptr drmmode, drmmode_bo *bo,
+                  unsigned width, unsigned height, unsigned bpp)
+{
+#ifdef GLAMOR_HAS_GBM
+    if (drmmode->glamor) {
+        bo->gbm = gbm_bo_create(drmmode->gbm, width, height,
+                                GBM_FORMAT_ARGB8888,
+                                GBM_BO_USE_RENDERING | GBM_BO_USE_SCANOUT);
+        return bo->gbm != NULL;
     }
-    bo->pitch = pitch;
-    bo->size = size;
-    return bo;
+#endif
+
+    bo->dumb = dumb_bo_create(drmmode->fd, width, height, bpp);
+    return bo->dumb != NULL;
 }
 
 Bool
@@ -232,18 +185,8 @@ drmmode_ConvertToKMode(ScrnInfoPtr scrn,
 static void
 drmmode_crtc_dpms(xf86CrtcPtr crtc, int mode)
 {
-#if 0
-    xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
-
-//      drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
-//      drmmode_ptr drmmode = drmmode_crtc->drmmode;
-
-    /* bonghits in the randr 1.2 - uses dpms to disable crtc - bad buzz */
-    if (mode == DPMSModeOff) {
-//              drmModeSetCrtc(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id,
-//                             0, 0, 0, NULL, 0, NULL);
-    }
-#endif
+    drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
+    drmmode_crtc->dpms_mode = mode;
 }
 
 #if 0
@@ -315,8 +258,9 @@ drmmode_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
         ret = drmModeAddFB(drmmode->fd,
                            pScrn->virtualX, height,
                            pScrn->depth, pScrn->bitsPerPixel,
-                           drmmode->front_bo->pitch,
-                           drmmode->front_bo->handle, &drmmode->fb_id);
+                           drmmode_bo_get_pitch(&drmmode->front_bo),
+                           drmmode_bo_get_handle(&drmmode->front_bo),
+                           &drmmode->fb_id);
         if (ret < 0) {
             ErrorF("failed to add fb %d\n", ret);
             return FALSE;
@@ -385,6 +329,9 @@ drmmode_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
 
         if (crtc->scrn->pScreen)
             xf86CrtcSetScreenSubpixelOrder(crtc->scrn->pScreen);
+
+        crtc->funcs->dpms(crtc, DPMSModeOn);
+
         /* go through all the outputs and force DPMS them back on? */
         for (i = 0; i < xf86_config->num_output; i++) {
             xf86OutputPtr output = xf86_config->output[i];
@@ -432,25 +379,32 @@ drmmode_set_cursor_position(xf86CrtcPtr crtc, int x, int y)
 }
 
 static void
-drmmode_load_cursor_argb(xf86CrtcPtr crtc, CARD32 *image)
+drmmode_set_cursor(xf86CrtcPtr crtc)
 {
-    modesettingPtr ms = modesettingPTR(crtc->scrn);
     drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
-    int i;
-    uint32_t *ptr;
+    drmmode_ptr drmmode = drmmode_crtc->drmmode;
     uint32_t handle = drmmode_crtc->cursor_bo->handle;
+    modesettingPtr ms = modesettingPTR(crtc->scrn);
+    static Bool use_set_cursor2 = TRUE;
     int ret;
 
-    /* cursor should be mapped already */
-    ptr = (uint32_t *) (drmmode_crtc->cursor_bo->ptr);
+    if (use_set_cursor2) {
+        xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
+        CursorPtr cursor = xf86_config->cursor;
 
-    for (i = 0; i < ms->cursor_width * ms->cursor_height; i++)
-        ptr[i] = image[i];      // cpu_to_le32(image[i]);
+        ret =
+            drmModeSetCursor2(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id,
+                              handle, ms->cursor_width, ms->cursor_height,
+                              cursor->bits->xhot, cursor->bits->yhot);
+        if (ret == -EINVAL)
+            use_set_cursor2 = FALSE;
+        else
+            return;
+    }
+
+    ret = drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, handle,
+                           ms->cursor_width, ms->cursor_height);
 
-    ret =
-        drmModeSetCursor(drmmode_crtc->drmmode->fd,
-                         drmmode_crtc->mode_crtc->crtc_id, handle,
-                         ms->cursor_width, ms->cursor_height);
     if (ret) {
         xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
         xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
@@ -462,46 +416,44 @@ drmmode_load_cursor_argb(xf86CrtcPtr crtc, CARD32 *image)
 }
 
 static void
-drmmode_hide_cursor(xf86CrtcPtr crtc)
+drmmode_load_cursor_argb(xf86CrtcPtr crtc, CARD32 *image)
 {
     modesettingPtr ms = modesettingPTR(crtc->scrn);
     drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
-    drmmode_ptr drmmode = drmmode_crtc->drmmode;
+    int i;
+    uint32_t *ptr;
 
-    drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, 0,
-                     ms->cursor_width, ms->cursor_height);
+    /* cursor should be mapped already */
+    ptr = (uint32_t *) (drmmode_crtc->cursor_bo->ptr);
+
+    for (i = 0; i < ms->cursor_width * ms->cursor_height; i++)
+        ptr[i] = image[i];      // cpu_to_le32(image[i]);
 
+    if (drmmode_crtc->cursor_up)
+        drmmode_set_cursor(crtc);
 }
 
 static void
-drmmode_show_cursor(xf86CrtcPtr crtc)
+drmmode_hide_cursor(xf86CrtcPtr crtc)
 {
     modesettingPtr ms = modesettingPTR(crtc->scrn);
     drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
     drmmode_ptr drmmode = drmmode_crtc->drmmode;
-    uint32_t handle = drmmode_crtc->cursor_bo->handle;
-    static Bool use_set_cursor2 = TRUE;
-
-    if (use_set_cursor2) {
-        xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
-        CursorPtr cursor = xf86_config->cursor;
-        int ret;
-
-        ret =
-            drmModeSetCursor2(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id,
-                              handle, ms->cursor_width, ms->cursor_height,
-                              cursor->bits->xhot, cursor->bits->yhot);
-        if (ret == -EINVAL)
-            use_set_cursor2 = FALSE;
-        else
-            return;
-    }
 
-    drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, handle,
+    drmmode_crtc->cursor_up = FALSE;
+    drmModeSetCursor(drmmode->fd, drmmode_crtc->mode_crtc->crtc_id, 0,
                      ms->cursor_width, ms->cursor_height);
 }
 
 static void
+drmmode_show_cursor(xf86CrtcPtr crtc)
+{
+    drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
+    drmmode_crtc->cursor_up = TRUE;
+    drmmode_set_cursor(crtc);
+}
+
+static void
 drmmode_crtc_gamma_set(xf86CrtcPtr crtc, uint16_t * red, uint16_t * green,
                        uint16_t * blue, int size)
 {
@@ -1019,8 +971,7 @@ static const char *const output_names[] = {
 };
 
 static void
-drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int num,
-                    int *num_dvi, int *num_hdmi)
+drmmode_output_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int num)
 {
     xf86OutputPtr output;
     drmModeConnectorPtr koutput;
@@ -1172,6 +1123,42 @@ drmmode_clones_init(ScrnInfoPtr scrn, drmmode_ptr drmmode)
     }
 }
 
+Bool
+drmmode_glamor_handle_new_screen_pixmap(drmmode_ptr drmmode)
+{
+#ifdef GLAMOR
+    ScrnInfoPtr scrn = drmmode->scrn;
+    ScreenPtr screen = xf86ScrnToScreen(drmmode->scrn);
+    PixmapPtr screen_pixmap;
+    void *gbm_bo;
+
+    if (!drmmode->glamor)
+        return TRUE;
+
+#ifdef GLAMOR_HAS_GBM
+    gbm_bo = drmmode->front_bo.gbm;
+    screen_pixmap = screen->GetScreenPixmap(screen);
+
+    if (!glamor_egl_create_textured_pixmap_from_gbm_bo(screen_pixmap, gbm_bo)) {
+        xf86DrvMsg(scrn->scrnIndex, X_ERROR, "Failed");
+        return FALSE;
+    }
+    glamor_set_screen_pixmap(screen_pixmap, NULL);
+#else
+    if (!glamor_egl_create_textured_screen(screen,
+                                           drmmode_bo_get_handle(&drmmode->front_bo),
+                                           scrn->displayWidth *
+                                           scrn->bitsPerPixel / 8)) {
+        xf86DrvMsg(scrn->scrnIndex, X_ERROR,
+                   "glamor_egl_create_textured_screen() failed\n");
+        return FALSE;
+    }
+#endif
+#endif
+
+    return TRUE;
+}
+
 static Bool
 drmmode_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height)
 {
@@ -1180,14 +1167,14 @@ drmmode_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height)
     drmmode_crtc_private_ptr
         drmmode_crtc = xf86_config->crtc[0]->driver_private;
     drmmode_ptr drmmode = drmmode_crtc->drmmode;
-    struct dumb_bo *old_front = NULL;
+    drmmode_bo old_front;
     Bool ret;
     ScreenPtr screen = xf86ScrnToScreen(scrn);
     uint32_t old_fb_id;
     int i, pitch, old_width, old_height, old_pitch;
     int cpp = (scrn->bitsPerPixel + 7) / 8;
     PixmapPtr ppix = screen->GetScreenPixmap(screen);
-    void *new_pixels;
+    void *new_pixels = NULL;
 
     if (scrn->virtualX == width && scrn->virtualY == height)
         return TRUE;
@@ -1202,16 +1189,15 @@ drmmode_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height)
 
     old_width = scrn->virtualX;
     old_height = scrn->virtualY;
-    old_pitch = drmmode->front_bo->pitch;
+    old_pitch = drmmode_bo_get_pitch(&drmmode->front_bo);
     old_fb_id = drmmode->fb_id;
     old_front = drmmode->front_bo;
 
-    drmmode->front_bo =
-        dumb_bo_create(drmmode->fd, width, height, scrn->bitsPerPixel);
-    if (!drmmode->front_bo)
+    if (!drmmode_create_bo(drmmode, &drmmode->front_bo,
+                           width, height, scrn->bitsPerPixel))
         goto fail;
 
-    pitch = drmmode->front_bo->pitch;
+    pitch = drmmode_bo_get_pitch(&drmmode->front_bo);
 
     scrn->virtualX = width;
     scrn->virtualY = height;
@@ -1219,30 +1205,32 @@ drmmode_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height)
 
     ret = drmModeAddFB(drmmode->fd, width, height, scrn->depth,
                        scrn->bitsPerPixel, pitch,
-                       drmmode->front_bo->handle, &drmmode->fb_id);
+                       drmmode_bo_get_handle(&drmmode->front_bo),
+                       &drmmode->fb_id);
     if (ret)
         goto fail;
 
-    new_pixels = drmmode_map_front_bo(drmmode);
-    if (!new_pixels)
-        goto fail;
+    if (!drmmode->gbm) {
+        new_pixels = drmmode_map_front_bo(drmmode);
+        if (!new_pixels)
+            goto fail;
+    }
 
-    if (!drmmode->shadow_enable)
-        screen->ModifyPixmapHeader(ppix, width, height, -1, -1,
-                                   pitch, new_pixels);
-    else {
-        void *new_shadow;
+    if (drmmode->shadow_enable) {
         uint32_t size = scrn->displayWidth * scrn->virtualY *
             ((scrn->bitsPerPixel + 7) >> 3);
-        new_shadow = calloc(1, size);
-        if (new_shadow == NULL)
+        new_pixels = calloc(1, size);
+        if (new_pixels == NULL)
             goto fail;
         free(drmmode->shadow_fb);
-        drmmode->shadow_fb = new_shadow;
-        screen->ModifyPixmapHeader(ppix, width, height, -1, -1,
-                                   pitch, drmmode->shadow_fb);
+        drmmode->shadow_fb = new_pixels;
     }
 
+    screen->ModifyPixmapHeader(ppix, width, height, -1, -1, pitch, new_pixels);
+
+    if (!drmmode_glamor_handle_new_screen_pixmap(drmmode))
+        goto fail;
+
     for (i = 0; i < xf86_config->num_crtc; i++) {
         xf86CrtcPtr crtc = xf86_config->crtc[i];
 
@@ -1255,14 +1243,13 @@ drmmode_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height)
 
     if (old_fb_id) {
         drmModeRmFB(drmmode->fd, old_fb_id);
-        dumb_bo_destroy(drmmode->fd, old_front);
+        drmmode_bo_destroy(drmmode, &old_front);
     }
 
     return TRUE;
 
  fail:
-    if (drmmode->front_bo)
-        dumb_bo_destroy(drmmode->fd, drmmode->front_bo);
+    drmmode_bo_destroy(drmmode, &drmmode->front_bo);
     drmmode->front_bo = old_front;
     scrn->virtualX = old_width;
     scrn->virtualY = old_height;
@@ -1279,7 +1266,7 @@ static const xf86CrtcConfigFuncsRec drmmode_xf86crtc_config_funcs = {
 Bool
 drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp)
 {
-    int i, num_dvi = 0, num_hdmi = 0;
+    int i;
     int ret;
     uint64_t value = 0;
 
@@ -1307,7 +1294,7 @@ drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp)
             drmmode_crtc_init(pScrn, drmmode, i);
 
     for (i = 0; i < drmmode->mode_res->count_connectors; i++)
-        drmmode_output_init(pScrn, drmmode, i, &num_dvi, &num_hdmi);
+        drmmode_output_init(pScrn, drmmode, i);
 
     /* workout clones */
     drmmode_clones_init(pScrn, drmmode);
@@ -1468,7 +1455,7 @@ drmmode_setup_colormap(ScreenPtr pScreen, ScrnInfoPtr pScrn)
     return TRUE;
 }
 
-#ifdef HAVE_UDEV
+#ifdef CONFIG_UDEV_KMS
 static void
 drmmode_handle_uevents(int fd, void *closure)
 {
@@ -1488,7 +1475,7 @@ drmmode_handle_uevents(int fd, void *closure)
 void
 drmmode_uevent_init(ScrnInfoPtr scrn, drmmode_ptr drmmode)
 {
-#ifdef HAVE_UDEV
+#ifdef CONFIG_UDEV_KMS
     struct udev *u;
     struct udev_monitor *mon;
 
@@ -1521,7 +1508,7 @@ drmmode_uevent_init(ScrnInfoPtr scrn, drmmode_ptr drmmode)
 void
 drmmode_uevent_fini(ScrnInfoPtr scrn, drmmode_ptr drmmode)
 {
-#ifdef HAVE_UDEV
+#ifdef CONFIG_UDEV_KMS
     if (drmmode->uevent_handler) {
         struct udev *u = udev_monitor_get_udev(drmmode->uevent_monitor);
 
@@ -1548,10 +1535,9 @@ drmmode_create_initial_bos(ScrnInfoPtr pScrn, drmmode_ptr drmmode)
     width = pScrn->virtualX;
     height = pScrn->virtualY;
 
-    drmmode->front_bo = dumb_bo_create(drmmode->fd, width, height, bpp);
-    if (!drmmode->front_bo)
+    if (!drmmode_create_bo(drmmode, &drmmode->front_bo, width, height, bpp))
         return FALSE;
-    pScrn->displayWidth = drmmode->front_bo->pitch / cpp;
+    pScrn->displayWidth = drmmode_bo_get_pitch(&drmmode->front_bo) / cpp;
 
     width = ms->cursor_width;
     height = ms->cursor_height;
@@ -1571,14 +1557,14 @@ drmmode_map_front_bo(drmmode_ptr drmmode)
 {
     int ret;
 
-    if (drmmode->front_bo->ptr)
-        return drmmode->front_bo->ptr;
+    if (drmmode->front_bo.dumb->ptr)
+        return drmmode->front_bo.dumb->ptr;
 
-    ret = dumb_bo_map(drmmode->fd, drmmode->front_bo);
+    ret = dumb_bo_map(drmmode->fd, drmmode->front_bo.dumb);
     if (ret)
         return NULL;
 
-    return drmmode->front_bo->ptr;
+    return drmmode->front_bo.dumb->ptr;
 
 }
 
@@ -1625,8 +1611,7 @@ drmmode_free_bos(ScrnInfoPtr pScrn, drmmode_ptr drmmode)
         drmmode->fb_id = 0;
     }
 
-    dumb_bo_destroy(drmmode->fd, drmmode->front_bo);
-    drmmode->front_bo = NULL;
+    drmmode_bo_destroy(drmmode, &drmmode->front_bo);
 
     for (i = 0; i < xf86_config->num_crtc; i++) {
         xf86CrtcPtr crtc = xf86_config->crtc[i];
diff --git a/xorg-server/hw/xfree86/drivers/modesetting/drmmode_display.h b/xorg-server/hw/xfree86/drivers/modesetting/drmmode_display.h
index 987608c55..66d0ca260 100644
--- a/xorg-server/hw/xfree86/drivers/modesetting/drmmode_display.h
+++ b/xorg-server/hw/xfree86/drivers/modesetting/drmmode_display.h
@@ -28,17 +28,20 @@
 #define DRMMODE_DISPLAY_H
 
 #include "xf86drmMode.h"
-#ifdef HAVE_UDEV
+#ifdef CONFIG_UDEV_KMS
 #include "libudev.h"
 #endif
 
-struct dumb_bo {
-    uint32_t handle;
-    uint32_t size;
-    void *ptr;
-    int map_count;
-    uint32_t pitch;
-};
+#include "dumb_bo.h"
+
+struct gbm_device;
+
+typedef struct {
+    struct dumb_bo *dumb;
+#ifdef GLAMOR_HAS_GBM
+    struct gbm_bo *gbm;
+#endif
+} drmmode_bo;
 
 typedef struct {
     int fd;
@@ -48,14 +51,18 @@ typedef struct {
     drmModeFBPtr mode_fb;
     int cpp;
     ScrnInfoPtr scrn;
-#ifdef HAVE_UDEV
+
+    struct gbm_device *gbm;
+
+#ifdef CONFIG_UDEV_KMS
     struct udev_monitor *uevent_monitor;
     InputHandlerProc uevent_handler;
 #endif
     drmEventContext event_context;
-    struct dumb_bo *front_bo;
+    drmmode_bo front_bo;
     Bool sw_cursor;
 
+    Bool glamor;
     Bool shadow_enable;
     void *shadow_fb;
 
@@ -79,7 +86,9 @@ typedef struct {
     drmmode_ptr drmmode;
     drmModeCrtcPtr mode_crtc;
     uint32_t vblank_pipe;
+    int dpms_mode;
     struct dumb_bo *cursor_bo;
+    Bool cursor_up;
     unsigned rotate_fb_id;
     uint16_t lut_r[256], lut_g[256], lut_b[256];
     DamagePtr slave_damage;
@@ -128,6 +137,8 @@ extern DevPrivateKeyRec msPixmapPrivateKeyRec;
 
 #define msGetPixmapPriv(drmmode, p) ((msPixmapPrivPtr)dixGetPrivateAddr(&(p)->devPrivates, &(drmmode)->pixmapPrivateKeyRec))
 
+uint32_t drmmode_bo_get_handle(drmmode_bo *bo);
+Bool drmmode_glamor_handle_new_screen_pixmap(drmmode_ptr drmmode);
 void *drmmode_map_slave_bo(drmmode_ptr drmmode, msPixmapPrivPtr ppriv);
 Bool drmmode_SetSlaveBO(PixmapPtr ppix,
                         drmmode_ptr drmmode,
@@ -147,8 +158,6 @@ Bool drmmode_map_cursor_bos(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
 void drmmode_free_bos(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
 void drmmode_get_default_bpp(ScrnInfoPtr pScrn, drmmode_ptr drmmmode,
                              int *depth, int *bpp);
-struct dumb_bo *dumb_get_bo_from_fd(int drm_fd, int fd, int pitch, int size);
-int dumb_bo_destroy(int fd, struct dumb_bo *bo);
 
 
 #ifndef DRM_CAP_DUMB_PREFERRED_DEPTH
diff --git a/xorg-server/hw/xfree86/drivers/modesetting/dumb_bo.c b/xorg-server/hw/xfree86/drivers/modesetting/dumb_bo.c
new file mode 100644
index 000000000..58d420e07
--- /dev/null
+++ b/xorg-server/hw/xfree86/drivers/modesetting/dumb_bo.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright © 2007 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ *    Dave Airlie <airlied@redhat.com>
+ *
+ */
+
+#include "dumb_bo.h"
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <xf86drm.h>
+
+struct dumb_bo *
+dumb_bo_create(int fd,
+               const unsigned width, const unsigned height, const unsigned bpp)
+{
+    struct drm_mode_create_dumb arg;
+    struct dumb_bo *bo;
+    int ret;
+
+    bo = calloc(1, sizeof(*bo));
+    if (!bo)
+        return NULL;
+
+    memset(&arg, 0, sizeof(arg));
+    arg.width = width;
+    arg.height = height;
+    arg.bpp = bpp;
+
+    ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
+    if (ret)
+        goto err_free;
+
+    bo->handle = arg.handle;
+    bo->size = arg.size;
+    bo->pitch = arg.pitch;
+
+    return bo;
+ err_free:
+    free(bo);
+    return NULL;
+}
+
+int
+dumb_bo_map(int fd, struct dumb_bo *bo)
+{
+    struct drm_mode_map_dumb arg;
+    int ret;
+    void *map;
+
+    if (bo->ptr) {
+        return 0;
+    }
+
+    memset(&arg, 0, sizeof(arg));
+    arg.handle = bo->handle;
+
+    ret = drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
+    if (ret)
+        return ret;
+
+    map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, arg.offset);
+    if (map == MAP_FAILED)
+        return -errno;
+
+    bo->ptr = map;
+    return 0;
+}
+
+int
+dumb_bo_destroy(int fd, struct dumb_bo *bo)
+{
+    struct drm_mode_destroy_dumb arg;
+    int ret;
+
+    if (bo->ptr) {
+        munmap(bo->ptr, bo->size);
+        bo->ptr = NULL;
+    }
+
+    memset(&arg, 0, sizeof(arg));
+    arg.handle = bo->handle;
+    ret = drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
+    if (ret)
+        return -errno;
+
+    free(bo);
+    return 0;
+}
+
+struct dumb_bo *
+dumb_get_bo_from_fd(int fd, int handle, int pitch, int size)
+{
+    struct dumb_bo *bo;
+    int ret;
+
+    bo = calloc(1, sizeof(*bo));
+    if (!bo)
+        return NULL;
+
+    ret = drmPrimeFDToHandle(fd, handle, &bo->handle);
+    if (ret) {
+        free(bo);
+        return NULL;
+    }
+    bo->pitch = pitch;
+    bo->size = size;
+    return bo;
+}
diff --git a/xorg-server/hw/xfree86/drivers/modesetting/dumb_bo.h b/xorg-server/hw/xfree86/drivers/modesetting/dumb_bo.h
new file mode 100644
index 000000000..9235e61e2
--- /dev/null
+++ b/xorg-server/hw/xfree86/drivers/modesetting/dumb_bo.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2007 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ *     Dave Airlie <airlied@redhat.com>
+ *
+ */
+#ifndef DUMB_BO_H
+#define DUMB_BO_H
+
+#include <stdint.h>
+
+struct dumb_bo {
+    uint32_t handle;
+    uint32_t size;
+    void *ptr;
+    uint32_t pitch;
+};
+
+struct dumb_bo *dumb_bo_create(int fd, const unsigned width,
+                               const unsigned height, const unsigned bpp);
+int dumb_bo_map(int fd, struct dumb_bo *bo);
+int dumb_bo_destroy(int fd, struct dumb_bo *bo);
+struct dumb_bo *dumb_get_bo_from_fd(int fd, int handle, int pitch, int size);
+
+#endif
diff --git a/xorg-server/hw/xfree86/drivers/modesetting/present.c b/xorg-server/hw/xfree86/drivers/modesetting/present.c
new file mode 100644
index 000000000..359e11316
--- /dev/null
+++ b/xorg-server/hw/xfree86/drivers/modesetting/present.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright © 2014 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include "dix-config.h"
+#endif
+
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <time.h>
+
+#include <xf86.h>
+#include <xf86Crtc.h>
+#include <xf86drm.h>
+#include <xf86str.h>
+#include <present.h>
+
+#include "driver.h"
+
+#if 0
+#define DebugPresent(x) ErrorF x
+#else
+#define DebugPresent(x)
+#endif
+
+struct ms_present_vblank_event {
+    uint64_t        event_id;
+};
+
+static RRCrtcPtr
+ms_present_get_crtc(WindowPtr window)
+{
+    xf86CrtcPtr xf86_crtc = ms_dri2_crtc_covering_drawable(&window->drawable);
+    return xf86_crtc ? xf86_crtc->randr_crtc : NULL;
+}
+
+static int
+ms_present_get_ust_msc(RRCrtcPtr crtc, CARD64 *ust, CARD64 *msc)
+{
+    xf86CrtcPtr xf86_crtc = crtc->devPrivate;
+
+    return ms_get_crtc_ust_msc(xf86_crtc, ust, msc);
+}
+
+/*
+ * Flush the DRM event queue when full; makes space for new events.
+ */
+static Bool
+ms_flush_drm_events(ScreenPtr screen)
+{
+    ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
+    modesettingPtr ms = modesettingPTR(scrn);
+
+    struct pollfd p = { .fd = ms->fd, .events = POLLIN };
+    int r;
+
+    do {
+            r = poll(&p, 1, 0);
+    } while (r == -1 && (errno == EINTR || errno == EAGAIN));
+
+    if (r <= 0)
+        return TRUE;
+
+    return drmHandleEvent(ms->fd, &ms->event_context) >= 0;
+}
+
+/*
+ * Called when the queued vblank event has occurred
+ */
+static void
+ms_present_vblank_handler(uint64_t msc, uint64_t usec, void *data)
+{
+    struct ms_present_vblank_event *event = data;
+
+    DebugPresent(("\t\tmh %lld msc %llu\n",
+                 (long long) event->event_id, (long long) msc));
+
+    present_event_notify(event->event_id, usec, msc);
+    free(event);
+}
+
+/*
+ * Called when the queued vblank is aborted
+ */
+static void
+ms_present_vblank_abort(void *data)
+{
+    struct ms_present_vblank_event *event = data;
+
+    DebugPresent(("\t\tma %lld\n", (long long) event->event_id));
+
+    free(event);
+}
+
+/*
+ * Queue an event to report back to the Present extension when the specified
+ * MSC has past
+ */
+static int
+ms_present_queue_vblank(RRCrtcPtr crtc,
+                        uint64_t event_id,
+                        uint64_t msc)
+{
+    xf86CrtcPtr xf86_crtc = crtc->devPrivate;
+    ScreenPtr screen = crtc->pScreen;
+    ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
+    modesettingPtr ms = modesettingPTR(scrn);
+    drmmode_crtc_private_ptr drmmode_crtc = xf86_crtc->driver_private;
+    struct ms_present_vblank_event *event;
+    drmVBlank vbl;
+    int ret;
+    uint32_t seq;
+
+    event = calloc(sizeof(struct ms_present_vblank_event), 1);
+    if (!event)
+        return BadAlloc;
+    event->event_id = event_id;
+    seq = ms_drm_queue_alloc(xf86_crtc, event,
+                             ms_present_vblank_handler,
+                             ms_present_vblank_abort);
+    if (!seq) {
+        free(event);
+        return BadAlloc;
+    }
+
+    vbl.request.type =
+        DRM_VBLANK_ABSOLUTE | DRM_VBLANK_EVENT | drmmode_crtc->vblank_pipe;
+    vbl.request.sequence = ms_crtc_msc_to_kernel_msc(xf86_crtc, msc);
+    vbl.request.signal = seq;
+    for (;;) {
+        ret = drmWaitVBlank(ms->fd, &vbl);
+        if (!ret)
+            break;
+        if (errno != EBUSY || !ms_flush_drm_events(screen))
+            return BadAlloc;
+    }
+    DebugPresent(("\t\tmq %lld seq %u msc %llu (hw msc %u)\n",
+                 (long long) event_id, seq, (long long) msc,
+                 vbl.request.sequence));
+    return Success;
+}
+
+static Bool
+ms_present_event_match(void *data, void *match_data)
+{
+    struct ms_present_vblank_event *event = data;
+    uint64_t *match = match_data;
+
+    return *match == event->event_id;
+}
+
+/*
+ * Remove a pending vblank event from the DRM queue so that it is not reported
+ * to the extension
+ */
+static void
+ms_present_abort_vblank(RRCrtcPtr crtc, uint64_t event_id, uint64_t msc)
+{
+    ScreenPtr screen = crtc->pScreen;
+    ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
+
+    ms_drm_abort(scrn, ms_present_event_match, &event_id);
+}
+
+/*
+ * Flush our batch buffer when requested by the Present extension.
+ */
+static void
+ms_present_flush(WindowPtr window)
+{
+#ifdef GLAMOR
+    ScreenPtr screen = window->drawable.pScreen;
+    ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
+    modesettingPtr ms = modesettingPTR(scrn);
+
+    if (ms->drmmode.glamor)
+        glamor_block_handler(screen);
+#endif
+}
+
+static present_screen_info_rec ms_present_screen_info = {
+    .version = PRESENT_SCREEN_INFO_VERSION,
+
+    .get_crtc = ms_present_get_crtc,
+    .get_ust_msc = ms_present_get_ust_msc,
+    .queue_vblank = ms_present_queue_vblank,
+    .abort_vblank = ms_present_abort_vblank,
+    .flush = ms_present_flush,
+
+    .capabilities = PresentCapabilityNone,
+    .check_flip = 0,
+    .flip = 0,
+    .unflip = 0,
+};
+
+Bool
+ms_present_screen_init(ScreenPtr screen)
+{
+    return present_screen_init(screen, &ms_present_screen_info);
+}
diff --git a/xorg-server/hw/xfree86/drivers/modesetting/vblank.c b/xorg-server/hw/xfree86/drivers/modesetting/vblank.c
index 5031ef8ff..711f6edb3 100644
--- a/xorg-server/hw/xfree86/drivers/modesetting/vblank.c
+++ b/xorg-server/hw/xfree86/drivers/modesetting/vblank.c
@@ -88,6 +88,14 @@ static int ms_box_area(BoxPtr box)
     return (int)(box->x2 - box->x1) * (int)(box->y2 - box->y1);
 }
 
+static Bool
+ms_crtc_on(xf86CrtcPtr crtc)
+{
+    drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
+
+    return crtc->enabled && drmmode_crtc->dpms_mode == DPMSModeOn;
+}
+
 /*
  * Return the crtc covering 'box'. If two crtcs cover a portion of
  * 'box', then prefer 'desired'. If 'desired' is NULL, then prefer the crtc
@@ -114,7 +122,7 @@ ms_covering_crtc(ScrnInfoPtr scrn,
         crtc = xf86_config->crtc[c];
 
         /* If the CRTC is off, treat it as not covering */
-        if (!crtc->enabled)
+        if (!ms_crtc_on(crtc))
             continue;
 
         ms_crtc_box(crtc, &crtc_box);
@@ -323,6 +331,24 @@ ms_drm_abort_scrn(ScrnInfoPtr scrn)
 }
 
 /*
+ * Externally usable abort function that uses a callback to match a single
+ * queued entry to abort
+ */
+void
+ms_drm_abort(ScrnInfoPtr scrn, Bool (*match)(void *data, void *match_data),
+             void *match_data)
+{
+    struct ms_drm_queue *q;
+
+    xorg_list_for_each_entry(q, &ms_drm_queue, list) {
+        if (match(q->data, match_data)) {
+            ms_drm_abort_one(q);
+            break;
+        }
+    }
+}
+
+/*
  * General DRM kernel handler. Looks for the matching sequence number in the
  * drm event queue and calls the handler for it.
  */