From: Jean Guyader <jean.guyader@eu.citrix.com>
Date: Wed, 9 Sep 2009 02:00:31 +0000 (+0100)
Subject: Intel: when have focus check if the screen is still linear every 4 secondes.
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=d994987d9d83580715f49618bad190b62fb1849c;p=xenclient%2Fioemu-pq.git

Intel: when have focus check if the screen is still linear every 4 secondes.
---

diff --git a/master/intel b/master/intel
index 4ccb27c..a8c462d 100644
--- a/master/intel
+++ b/master/intel
@@ -33,7 +33,7 @@ index 97214c0..8c9b09b 100644
 +void intel_display_init(DisplayState *ds);
  #endif
 diff --git a/dom0_driver.c b/dom0_driver.c
-index d98a458..22501ed 100644
+index 0988c6f..1aa5952 100644
 --- a/dom0_driver.c
 +++ b/dom0_driver.c
 @@ -43,6 +43,7 @@
@@ -44,7 +44,7 @@ index d98a458..22501ed 100644
  
  static void dom0_driver_state_change(const char *path, void *opaque);
  static void dom0_driver_command(const char *path, void *opaque);
-@@ -682,6 +683,11 @@ void dom0_driver_init(const char *position)
+@@ -692,6 +693,11 @@ void dom0_driver_init(const char *position)
          driver.enter = intel_enter;
          driver.leave = intel_leave;
      }
@@ -215,10 +215,10 @@ index 90bd544..a2b8744 100644
      vga_update_display(s);
 diff --git a/intel.c b/intel.c
 new file mode 100644
-index 0000000..4ad22a8
+index 0000000..85968cb
 --- /dev/null
 +++ b/intel.c
-@@ -0,0 +1,489 @@
+@@ -0,0 +1,508 @@
 +#include <stdio.h>
 +#include <stdlib.h>
 +#include <stdint.h>
@@ -231,6 +231,7 @@ index 0000000..4ad22a8
 +#include <pci/pci.h>
 +
 +#include "qemu-common.h"
++#include "qemu-timer.h"
 +#include "console.h"
 +#include "sysemu.h"
 +
@@ -271,6 +272,7 @@ index 0000000..4ad22a8
 +static uint32_t                 intel_fb_base, intel_mmio_base;
 +static uint32_t                 map_s, map_d, map_size;
 +static int                      refresh;
++static QEMUTimer                *check_linear_timer = NULL;
 +
 +static void set_data_pointer(DisplaySurface *surf);
 +static void intel_resize(DisplayState *ds);
@@ -293,15 +295,6 @@ index 0000000..4ad22a8
 +        return intel_get_reg(REG_DR_DSPBSURF);
 +}
 +
-+static inline int is_linear(void)
-+{
-+    unsigned int *dspacntr = (unsigned int *)(intel_mmio + REG_DR_DSPACNTR);
-+    if (((*dspacntr) & (1 << 10)) == 0)
-+        return 1;
-+    else
-+        return 0;
-+}
-+
 +static inline void intel_get_res(unsigned int   *x,
 +                                 unsigned int   *y,
 +                                 unsigned int   *pitch)
@@ -593,6 +586,31 @@ index 0000000..4ad22a8
 +    return intel_have_focus;
 +}
 +
++static inline int is_linear(void)
++{
++    if (surfaenabled())
++        return (intel_get_reg(REG_DR_DSPACNTR) & (1 << 10)) == 0;
++    else
++        return (intel_get_reg(REG_DR_DSPBCNTR) & (1 << 10)) == 0;
++}
++
++static void intel_check_linear(void)
++{
++    if (!check_linear_timer)
++        check_linear_timer = qemu_new_timer(rt_clock, intel_check_linear, NULL);
++
++    if (!is_linear())
++    {
++        intel_force_linear(0);
++        vga_hw_invalidate();
++        vga_hw_update();
++    }
++
++    if (intel_have_focus)
++        qemu_mod_timer(check_linear_timer,
++                qemu_get_clock(rt_clock) + 4000);
++}
++
 +static void intel_focus(int focus)
 +{
 +    if (intel_have_focus == focus)
@@ -609,6 +627,7 @@ index 0000000..4ad22a8
 +    }
 +    vga_hw_invalidate();
 +    vga_hw_update();
++    intel_check_linear();
 +
 +    INTEL_DEBUG("intel_focus %d, x=%d, y=%d, stride=%d\n",
 +            focus, IntelX, IntelY, IntelPitch);