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intelfb: add hw cursor support for i9xx

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This adds hw cursor support for the i9xx chipsets.

Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Dave Airlie 2006-03-23 13:06:32 +11:00
parent 7679f4d692
commit 8bb91f6a2d
3 changed files with 17 additions and 7 deletions
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2
drivers/video/intelfb/intelfb.h
View File

@ -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);

12
drivers/video/intelfb/intelfbdrv.c
View File

@ -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");

10
drivers/video/intelfb/intelfbhw.c
View File

@ -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