diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 70e1a8820a7c01644cc1f5016d0a878b88c9dc23..8b770a8e02cdda09caee81be15ebc27434b4b67e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1278,8 +1278,6 @@ static void vmw_master_drop(struct drm_device *dev,
dev_priv->active_master = &dev_priv->fbdev_master;
ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
ttm_vt_unlock(&dev_priv->fbdev_master.lock);
-
- vmw_fb_refresh(dev_priv);
}
/**
@@ -1483,7 +1481,6 @@ static int vmw_pm_freeze(struct device *kdev)
vmw_kms_resume(dev);
if (dev_priv->enable_fb)
vmw_fb_on(dev_priv);
- vmw_fb_refresh(dev_priv);
return -EBUSY;
}
@@ -1523,8 +1520,6 @@ static int vmw_pm_restore(struct device *kdev)
if (dev_priv->enable_fb)
vmw_fb_on(dev_priv);
- vmw_fb_refresh(dev_priv);
-
return 0;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index f34f368c1a2ebc1713f35a7aab0f94c83061cbfa..5fcbe1620d50b34898815be80ec7560115c68997 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -910,7 +910,6 @@ int vmw_fb_init(struct vmw_private *vmw_priv);
int vmw_fb_close(struct vmw_private *dev_priv);
int vmw_fb_off(struct vmw_private *vmw_priv);
int vmw_fb_on(struct vmw_private *vmw_priv);
-void vmw_fb_refresh(struct vmw_private *vmw_priv);
/**
* Kernel modesetting - vmwgfx_kms.c
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index ba0cdb743c3e50d664848c021a0f63bc72953aa2..54e300365a5ccd04b2d5d6173fbb379bde860322 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -866,21 +866,13 @@ int vmw_fb_on(struct vmw_private *vmw_priv)
spin_lock_irqsave(&par->dirty.lock, flags);
par->dirty.active = true;
spin_unlock_irqrestore(&par->dirty.lock, flags);
-
- return 0;
-}
-/**
- * vmw_fb_refresh - Refresh fb display
- *
- * @vmw_priv: Pointer to device private
- *
- * Call into kms to show the fbdev display(s).
- */
-void vmw_fb_refresh(struct vmw_private *vmw_priv)
-{
- if (!vmw_priv->fb_info)
- return;
+ /*
+ * Need to reschedule a dirty update, because otherwise that's
+ * only done in dirty_mark() if the previous coalesced
+ * dirty region was empty.
+ */
+ schedule_delayed_work(&par->local_work, 0);
- vmw_fb_set_par(vmw_priv->fb_info);
+ return 0;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
index cdff99211602cc44901135f6dc0cdd781e849a21..21d746bdc922bc55ce27d25cd4d5c2ad935d595e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
@@ -329,8 +329,6 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
struct rpc_channel channel;
char *msg, *reply = NULL;
size_t reply_len = 0;
- int ret = 0;
-
if (!vmw_msg_enabled)
return -ENODEV;
@@ -344,15 +342,14 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
return -ENOMEM;
}
- if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
- vmw_send_msg(&channel, msg) ||
- vmw_recv_msg(&channel, (void *) &reply, &reply_len) ||
- vmw_close_channel(&channel)) {
- DRM_ERROR("Failed to get %s", guest_info_param);
+ if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM))
+ goto out_open;
- ret = -EINVAL;
- }
+ if (vmw_send_msg(&channel, msg) ||
+ vmw_recv_msg(&channel, (void *) &reply, &reply_len))
+ goto out_msg;
+ vmw_close_channel(&channel);
if (buffer && reply && reply_len > 0) {
/* Remove reply code, which are the first 2 characters of
* the reply
@@ -369,7 +366,17 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
kfree(reply);
kfree(msg);
- return ret;
+ return 0;
+
+out_msg:
+ vmw_close_channel(&channel);
+ kfree(reply);
+out_open:
+ *length = 0;
+ kfree(msg);
+ DRM_ERROR("Failed to get %s", guest_info_param);
+
+ return -EINVAL;
}
@@ -400,15 +407,22 @@ int vmw_host_log(const char *log)
return -ENOMEM;
}
- if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
- vmw_send_msg(&channel, msg) ||
- vmw_close_channel(&channel)) {
- DRM_ERROR("Failed to send log\n");
+ if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM))
+ goto out_open;
- ret = -EINVAL;
- }
+ if (vmw_send_msg(&channel, msg))
+ goto out_msg;
+ vmw_close_channel(&channel);
kfree(msg);
- return ret;
+ return 0;
+
+out_msg:
+ vmw_close_channel(&channel);
+out_open:
+ kfree(msg);
+ DRM_ERROR("Failed to send log\n");
+
+ return -EINVAL;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h
index 557a033fb610f1dfcb3568aceebd5592c97b3c60..8545488aa0cfbe1bf1b1d14514d6794c0077834a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h
@@ -135,17 +135,24 @@
#else
-/* In the 32-bit version of this macro, we use "m" because there is no
- * more register left for bp
+/*
+ * In the 32-bit version of this macro, we store bp in a memory location
+ * because we've ran out of registers.
+ * Now we can't reference that memory location while we've modified
+ * %esp or %ebp, so we first push it on the stack, just before we push
+ * %ebp, and then when we need it we read it from the stack where we
+ * just pushed it.
*/
#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di, \
port_num, magic, bp, \
eax, ebx, ecx, edx, si, di) \
({ \
- asm volatile ("push %%ebp;" \
- "mov %12, %%ebp;" \
+ asm volatile ("push %12;" \
+ "push %%ebp;" \
+ "mov 0x04(%%esp), %%ebp;" \
"rep outsb;" \
- "pop %%ebp;" : \
+ "pop %%ebp;" \
+ "add $0x04, %%esp;" : \
"=a"(eax), \
"=b"(ebx), \
"=c"(ecx), \
@@ -167,10 +174,12 @@
port_num, magic, bp, \
eax, ebx, ecx, edx, si, di) \
({ \
- asm volatile ("push %%ebp;" \
- "mov %12, %%ebp;" \
+ asm volatile ("push %12;" \
+ "push %%ebp;" \
+ "mov 0x04(%%esp), %%ebp;" \
"rep insb;" \
- "pop %%ebp" : \
+ "pop %%ebp;" \
+ "add $0x04, %%esp;" : \
"=a"(eax), \
"=b"(ebx), \
"=c"(ecx), \