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 fb2739fb746a5c163fb609fa7928ccc1a0bdf9cd..de9875c0c08fa4dbaa22bd59e9eb74e437467056 100644 (file)
--- a/drivers/video/intelfb/intelfb.h
+++ b/drivers/video/intelfb/intelfb.h
@@ -284,6 +284,8 @@ struct intelfb_info {
        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 ce45a684bbea3c7ca9712f1531cd4bb0dd1dc0c9..b96001b5d9471188b65ff8640dcdfb6720b11180 100644 (file)
--- 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 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
            (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 @@ static int
 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 @@ intelfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
        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 0bfa668bec21423d9ee250210f09c0720cca0569..92bdde8f9b23b4e7589470af447cfbdf8109484a 100644 (file)
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -1742,7 +1742,7 @@ intelfbhw_cursor_init(struct intelfb_info *dinfo)
        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 @@ intelfbhw_cursor_hide(struct intelfb_info *dinfo)
 #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 @@ intelfbhw_cursor_show(struct intelfb_info *dinfo)
        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 @@ intelfbhw_cursor_setpos(struct intelfb_info *dinfo, int x, int y)
        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