diff options
| author | Chris Ball <cjb@laptop.org> | 2010-09-26 06:47:27 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-10-06 11:50:42 +1000 |
| commit | a424d761a00c0233cb7734a8cd572ecd6d0362aa (patch) | |
| tree | c08b4f9d14abf1a57608cc1a112587cf5437627a | |
| parent | ff773714dd30b802c336064109c535d8b2774e2f (diff) | |
drm/nouveau/kms: Avoid a hang entering KDB with VT accel on.
Francisco Jerez advises that pre-nv20 cards would hang if we entered
kdb with accel on and IRQs disabled, so we now disable accel before
entering kdb and re-enable it on the way back out.
Reported-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_crtc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c index fb669dd39c3c..427f90e17b9d 100644 --- a/drivers/gpu/drm/nouveau/nv04_crtc.c +++ b/drivers/gpu/drm/nouveau/nv04_crtc.c @@ -33,6 +33,7 @@ #include "nouveau_fb.h" #include "nouveau_hw.h" #include "nvreg.h" +#include "nouveau_fbcon.h" static int nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, @@ -860,6 +861,14 @@ nv04_crtc_mode_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, int x, int y, int enter) { + struct drm_nouveau_private *dev_priv = crtc->dev->dev_private; + struct drm_device *dev = dev_priv->dev; + + if (enter) + nouveau_fbcon_save_disable_accel(dev); + else + nouveau_fbcon_restore_accel(dev); + return nv04_crtc_do_mode_set_base(crtc, fb, x, y, true); } |