intelfb: add hw cursor support for i9xx
This adds hw cursor support for the i9xx chipsets.
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/video/intelfb/intelfb.h b/drivers/video/intelfb/intelfb.h
index fb2739f..de9875c 100644
--- a/drivers/video/intelfb/intelfb.h
+++ b/drivers/video/intelfb/intelfb.h
@@ -284,6 +284,8 @@
int pll_index;
};
+#define IS_I9xx(dinfo) (((dinfo)->chipset == INTEL_915G)||(dinfo->chipset == INTEL_915GM)||((dinfo)->chipset == INTEL_945G))
+
/*** function prototypes ***/
extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index ce45a68..b96001b 100644
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/drivers/video/intelfb/intelfbdrv.c
@@ -6,6 +6,7 @@
*
* Copyright © 2002, 2003 David Dawes <dawes@xfree86.org>
* 2004 Sylvain Meyer
+ * 2006 David Airlie
*
* This driver consists of two parts. The first part (intelfbdrv.c) provides
* the basic fbdev interfaces, is derived in part from the radeonfb and
@@ -551,8 +552,6 @@
(ent->device == PCI_DEVICE_ID_INTEL_945G)) {
aperture_bar = 2;
mmio_bar = 0;
- /* Disable HW cursor on 9x5G/M (not implemented yet) */
- hwcursor = 0;
}
dinfo->aperture.physical = pci_resource_start(pdev, aperture_bar);
dinfo->aperture.size = pci_resource_len(pdev, aperture_bar);
@@ -1468,7 +1467,7 @@
intelfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
{
struct intelfb_info *dinfo = GET_DINFO(info);
-
+ int ret;
#if VERBOSE > 0
DBG_MSG("intelfb_cursor\n");
#endif
@@ -1479,7 +1478,12 @@
intelfbhw_cursor_hide(dinfo);
/* If XFree killed the cursor - restore it */
- if (INREG(CURSOR_A_BASEADDR) != dinfo->cursor.offset << 12) {
+ if (dinfo->mobile || IS_I9xx(dinfo))
+ ret = (INREG(CURSOR_A_BASEADDR) != dinfo->cursor.physical);
+ else
+ ret = (INREG(CURSOR_A_BASEADDR) != dinfo->cursor.offset << 12);
+
+ if (ret) {
u32 fg, bg;
DBG_MSG("the cursor was killed - restore it !!\n");
diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
index 0bfa668..92bdde8 100644
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -1742,7 +1742,7 @@
DBG_MSG("intelfbhw_cursor_init\n");
#endif
- if (dinfo->mobile) {
+ if (dinfo->mobile || IS_I9xx(dinfo)) {
if (!dinfo->cursor.physical)
return;
tmp = INREG(CURSOR_A_CONTROL);
@@ -1775,7 +1775,7 @@
#endif
dinfo->cursor_on = 0;
- if (dinfo->mobile) {
+ if (dinfo->mobile || IS_I9xx(dinfo)) {
if (!dinfo->cursor.physical)
return;
tmp = INREG(CURSOR_A_CONTROL);
@@ -1805,7 +1805,7 @@
if (dinfo->cursor_blanked)
return;
- if (dinfo->mobile) {
+ if (dinfo->mobile || IS_I9xx(dinfo)) {
if (!dinfo->cursor.physical)
return;
tmp = INREG(CURSOR_A_CONTROL);
@@ -1839,6 +1839,10 @@
tmp = ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) |
((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
OUTREG(CURSOR_A_POSITION, tmp);
+
+ if (IS_I9xx(dinfo)) {
+ OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical);
+ }
}
void