[PATCH v2 xserver 07/11] modesetting: separate render and display

Qiang Yu Qiang.Yu at amd.com
Sat Jan 7 08:01:28 UTC 2017


Signed-off-by: Qiang Yu <Qiang.Yu at amd.com>
---
 hw/xfree86/drivers/modesetting/dri2.c            |  8 +++-
 hw/xfree86/drivers/modesetting/driver.c          | 26 ++++++++---
 hw/xfree86/drivers/modesetting/drmmode_display.c | 57 ++++++++++++++++++++++--
 hw/xfree86/drivers/modesetting/drmmode_display.h |  2 +
 hw/xfree86/drivers/modesetting/present.c         |  4 ++
 5 files changed, 86 insertions(+), 11 deletions(-)

diff --git a/hw/xfree86/drivers/modesetting/dri2.c b/hw/xfree86/drivers/modesetting/dri2.c
index 8944ef1..a01ef27 100644
--- a/hw/xfree86/drivers/modesetting/dri2.c
+++ b/hw/xfree86/drivers/modesetting/dri2.c
@@ -536,6 +536,7 @@ can_exchange(ScrnInfoPtr scrn, DrawablePtr draw,
     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
     int num_crtcs_on = 0;
     int i;
+    modesettingPtr ms = modesettingPTR(scrn);
 
     for (i = 0; i < config->num_crtc; i++) {
         drmmode_crtc_private_ptr drmmode_crtc = config->crtc[i]->driver_private;
@@ -572,6 +573,9 @@ can_exchange(ScrnInfoPtr scrn, DrawablePtr draw,
     if (front_pixmap->devKind != back_pixmap->devKind)
         return FALSE;
 
+    if (ms->rfd >= 0)
+        return FALSE;
+
     return TRUE;
 }
 
@@ -1085,9 +1089,9 @@ ms_dri2_screen_init(ScreenPtr screen)
     }
 
     memset(&info, '\0', sizeof(info));
-    info.fd = ms->fd;
+    info.fd = ms->rfd < 0 ? ms->fd : ms->rfd;
     info.driverName = NULL; /* Compat field, unused. */
-    info.deviceName = drmGetDeviceNameFromFd(ms->fd);
+    info.deviceName = drmGetDeviceNameFromFd(ms->rfd < 0 ? ms->fd : ms->rfd);
 
     info.version = 9;
     info.CreateBuffer = ms_dri2_create_buffer;
diff --git a/hw/xfree86/drivers/modesetting/driver.c b/hw/xfree86/drivers/modesetting/driver.c
index 321fedc..782159a 100644
--- a/hw/xfree86/drivers/modesetting/driver.c
+++ b/hw/xfree86/drivers/modesetting/driver.c
@@ -739,10 +739,16 @@ FreeRec(ScrnInfoPtr pScrn)
     if (!ms)
         return;
 
+    if (ms->rfd >= 0) {
+#ifdef GLAMOR_HAS_GBM
+        if (ms->drmmode.gbm)
+            gbm_device_destroy(ms->drmmode.gbm);
+#endif
+        ms_free_ent(ms->prEnt);
+    }
+
     if (ms->fd >= 0)
         ms_free_ent(ms->pEnt);
-    if (ms->rfd >= 0)
-        ms_free_ent(ms->prEnt);
 
     pScrn->driverPrivate = NULL;
     free(ms->drmmode.Options);
@@ -772,7 +778,7 @@ try_enable_glamor(ScrnInfoPtr pScrn)
     }
 
     if (xf86LoadSubModule(pScrn, GLAMOR_EGL_MODULE_NAME)) {
-        if (glamor_egl_init(pScrn, ms->fd)) {
+        if (glamor_egl_init(pScrn, ms->rfd < 0 ? ms->fd : ms->rfd)) {
             xf86DrvMsg(pScrn->scrnIndex, X_INFO, "glamor initialized\n");
             ms->drmmode.glamor = TRUE;
         } else {
@@ -1620,8 +1626,18 @@ ScreenInit(ScreenPtr pScreen, int argc, char **argv)
         return FALSE;
 
 #ifdef GLAMOR_HAS_GBM
-    if (ms->drmmode.glamor)
-        ms->drmmode.gbm = glamor_egl_get_gbm_device(pScreen);
+    if (ms->drmmode.glamor) {
+        if (ms->rfd < 0) {
+            ms->drmmode.gbm = glamor_egl_get_gbm_device(pScreen);
+            ms->drmmode.rgbm = NULL;
+        }
+        else {
+            ms->drmmode.gbm = gbm_create_device(ms->fd);
+            if (!ms->drmmode.gbm)
+                return FALSE;
+            ms->drmmode.rgbm = glamor_egl_get_gbm_device(pScreen);
+        }
+    }
 #endif
 
     /* HW dependent - FIXME */
diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c b/hw/xfree86/drivers/modesetting/drmmode_display.c
index 4bfaace..4ed5f6b 100644
--- a/hw/xfree86/drivers/modesetting/drmmode_display.c
+++ b/hw/xfree86/drivers/modesetting/drmmode_display.c
@@ -97,6 +97,10 @@ drmmode_bo_destroy(drmmode_ptr drmmode, drmmode_bo *bo)
         gbm_bo_destroy(bo->gbm);
         bo->gbm = NULL;
     }
+    if (bo->rgbm) {
+        gbm_bo_destroy(bo->rgbm);
+        bo->rgbm = NULL;
+    }
 #endif
 
     if (bo->dumb) {
@@ -167,9 +171,29 @@ drmmode_create_bo(drmmode_ptr drmmode, drmmode_bo *bo,
 {
 #ifdef GLAMOR_HAS_GBM
     if (drmmode->glamor) {
+        int usage = GBM_BO_USE_RENDERING | GBM_BO_USE_SCANOUT;
+        if (drmmode->rgbm)
+            usage |= GBM_BO_USE_LINEAR;
         bo->gbm = gbm_bo_create(drmmode->gbm, width, height,
-                                GBM_FORMAT_ARGB8888,
-                                GBM_BO_USE_RENDERING | GBM_BO_USE_SCANOUT);
+                                GBM_FORMAT_ARGB8888, usage);
+        bo->rgbm = NULL;
+        if (drmmode->rgbm && bo->gbm) {
+            int fd = gbm_bo_get_fd(bo->gbm);
+            if (fd >= 0) {
+                struct gbm_import_fd_data import_data = { 0 };
+                import_data.fd = fd;
+                import_data.width = gbm_bo_get_width(bo->gbm);
+                import_data.height = gbm_bo_get_height(bo->gbm);
+                import_data.stride = gbm_bo_get_stride(bo->gbm);
+                import_data.format = gbm_bo_get_format(bo->gbm);
+                bo->rgbm = gbm_bo_import(drmmode->rgbm, GBM_BO_IMPORT_FD, &import_data, 0);
+                close(fd);
+            }
+            if (!bo->rgbm) {
+                gbm_bo_destroy(bo->gbm);
+                bo->gbm = NULL;
+            }
+        }
         return bo->gbm != NULL;
     }
 #endif
@@ -189,7 +213,32 @@ drmmode_bo_for_pixmap(drmmode_ptr drmmode, drmmode_bo *bo, PixmapPtr pixmap)
 
 #ifdef GLAMOR_HAS_GBM
     if (drmmode->glamor) {
-        bo->gbm = glamor_gbm_bo_from_pixmap(screen, pixmap);
+        struct gbm_bo *gbm = glamor_gbm_bo_from_pixmap(screen, pixmap);
+        if (!gbm)
+            bo->gbm = bo->rgbm = NULL;
+        else if (!drmmode->rgbm) {
+            bo->gbm = gbm;
+            bo->rgbm = NULL;
+        }
+        else {
+            bo->rgbm = gbm;
+            bo->gbm = NULL;
+            fd = gbm_bo_get_fd(bo->rgbm);
+            if (fd >= 0) {
+                struct gbm_import_fd_data import_data = { 0 };
+                import_data.fd = fd;
+                import_data.width = gbm_bo_get_width(bo->rgbm);
+                import_data.height = gbm_bo_get_height(bo->rgbm);
+                import_data.stride = gbm_bo_get_stride(bo->rgbm);
+                import_data.format = gbm_bo_get_format(bo->rgbm);
+                bo->gbm = gbm_bo_import(drmmode->gbm, GBM_BO_IMPORT_FD, &import_data, 0);
+                close(fd);
+            }
+            if (!bo->gbm) {
+                gbm_bo_destroy(bo->rgbm);
+                bo->rgbm = NULL;
+            }
+        }
         bo->dumb = NULL;
         return bo->gbm != NULL;
     }
@@ -1940,7 +1989,7 @@ drmmode_set_pixmap_bo(drmmode_ptr drmmode, PixmapPtr pixmap, drmmode_bo *bo)
         return TRUE;
 
 #ifdef GLAMOR_HAS_GBM
-    if (!glamor_egl_create_textured_pixmap_from_gbm_bo(pixmap, bo->gbm)) {
+    if (!glamor_egl_create_textured_pixmap_from_gbm_bo(pixmap, bo->rgbm ? bo->rgbm : bo->gbm)) {
         xf86DrvMsg(scrn->scrnIndex, X_ERROR, "Failed");
         return FALSE;
     }
diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.h b/hw/xfree86/drivers/modesetting/drmmode_display.h
index da7d5d7..5ab7f34 100644
--- a/hw/xfree86/drivers/modesetting/drmmode_display.h
+++ b/hw/xfree86/drivers/modesetting/drmmode_display.h
@@ -40,6 +40,7 @@ typedef struct {
     struct dumb_bo *dumb;
 #ifdef GLAMOR_HAS_GBM
     struct gbm_bo *gbm;
+    struct gbm_bo *rgbm;
 #endif
 } drmmode_bo;
 
@@ -52,6 +53,7 @@ typedef struct {
     ScrnInfoPtr scrn;
 
     struct gbm_device *gbm;
+    struct gbm_device *rgbm;
 
 #ifdef CONFIG_UDEV_KMS
     struct udev_monitor *uevent_monitor;
diff --git a/hw/xfree86/drivers/modesetting/present.c b/hw/xfree86/drivers/modesetting/present.c
index 55b622c..83add7d 100644
--- a/hw/xfree86/drivers/modesetting/present.c
+++ b/hw/xfree86/drivers/modesetting/present.c
@@ -272,6 +272,10 @@ ms_present_check_flip(RRCrtcPtr crtc,
     if (pixmap->devKind != drmmode_bo_get_pitch(&ms->drmmode.front_bo))
         return FALSE;
 
+    /* can't flip to a user created bo with tile */
+    if (ms->rfd >= 0)
+        return FALSE;
+
     /* Make sure there's a bo we can get to */
     /* XXX: actually do this.  also...is it sufficient?
      * if (!glamor_get_pixmap_private(pixmap))
-- 
2.7.4



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