Under KMS, the whole frame buffer is never allocated to the X server, and so
accessing the frame buffer must be done by directly mapping it using
drm_intel_gem_bo_map_gtt when it is created.
Signed-off-by: Keith Packard <kei...@keithp.com>
---
src/drmmode_display.c | 16 ++++++++++++++--
1 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index e9296dc..6681e7e 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -1021,6 +1021,7 @@ drmmode_xf86crtc_resize (ScrnInfoPtr scrn, int width, int
height)
ScreenPtr screen = screenInfo.screens[scrn->scrnIndex];
uint32_t old_fb_id;
int i, pitch, old_width, old_height, old_pitch;
+ pointer *data;
if (scrn->virtualX == width && scrn->virtualY == height)
return TRUE;
@@ -1052,10 +1053,21 @@ drmmode_xf86crtc_resize (ScrnInfoPtr scrn, int width,
int height)
goto fail;
i830_set_pixmap_bo(screen->GetScreenPixmap(screen),
pI830->front_buffer->bo);
- scrn->fbOffset = pI830->front_buffer->offset;
+ if (pI830->accel == ACCEL_UXA)
+ data = NULL;
+ else {
+ drm_intel_gem_bo_map_gtt(pI830->front_buffer->bo);
+ data = pI830->front_buffer->bo->virtual;
+ }
screen->ModifyPixmapHeader(screen->GetScreenPixmap(screen),
- width, height, -1, -1, pitch * pI830->cpp,
NULL);
+ width, height, -1, -1, pitch * pI830->cpp,
+ data);
+
+ /* ick. xf86EnableDisableFBAccess smashes the screen pixmap devPrivate,
+ * so update the value it uses
+ */
+ scrn->pixmapPrivate.ptr = data;
xf86DrvMsg(scrn->scrnIndex, X_INFO, "New front buffer at 0x%lx\n",
pI830->front_buffer->offset);
--
1.6.3.3
------------------------------------------------------------------------------
Enter the BlackBerry Developer Challenge
This is your chance to win up to $100,000 in prizes! For a limited time,
vendors submitting new applications to BlackBerry App World(TM) will have
the opportunity to enter the BlackBerry Developer Challenge. See full prize
details at: http://p.sf.net/sfu/Challenge
--
_______________________________________________
Dri-devel mailing list
Dri-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/dri-devel
