diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/xgi_misc.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/linux-core/xgi_misc.c b/linux-core/xgi_misc.c index be75e970..8232de9a 100644 --- a/linux-core/xgi_misc.c +++ b/linux-core/xgi_misc.c @@ -202,15 +202,18 @@ bool xgi_crt_irq_handler(struct xgi_info * info) bool ret = FALSE; u8 save_3ce = DRM_READ8(info->mmio_map, 0x3ce); - if (IN3CFB(info->mmio_map, 0x37) & 0x01) // CRT1 interrupt just happened - { + /* CRT1 interrupt just happened + */ + if (IN3CFB(info->mmio_map, 0x37) & 0x01) { u8 op3cf_3d; u8 op3cf_37; - // What happened? + /* What happened? + */ op3cf_37 = IN3CFB(info->mmio_map, 0x37); - // Clear CRT interrupt + /* Clear CRT interrupt + */ op3cf_3d = IN3CFB(info->mmio_map, 0x3d); OUT3CFB(info->mmio_map, 0x3d, (op3cf_3d | 0x04)); OUT3CFB(info->mmio_map, 0x3d, (op3cf_3d & ~0x04)); @@ -226,25 +229,30 @@ bool xgi_dvi_irq_handler(struct xgi_info * info) bool ret = FALSE; const u8 save_3ce = DRM_READ8(info->mmio_map, 0x3ce); - if (IN3CFB(info->mmio_map, 0x38) & 0x20) { // DVI interrupt just happened + /* DVI interrupt just happened + */ + if (IN3CFB(info->mmio_map, 0x38) & 0x20) { const u8 save_3x4 = DRM_READ8(info->mmio_map, 0x3d4); u8 op3cf_39; u8 op3cf_37; u8 op3x5_5a; - // What happened? + /* What happened? + */ op3cf_37 = IN3CFB(info->mmio_map, 0x37); - //Notify BIOS that DVI plug/unplug happened + /* Notify BIOS that DVI plug/unplug happened + */ op3x5_5a = IN3X5B(info->mmio_map, 0x5a); OUT3X5B(info->mmio_map, 0x5a, op3x5_5a & 0xf7); DRM_WRITE8(info->mmio_map, 0x3d4, save_3x4); - // Clear DVI interrupt + /* Clear DVI interrupt + */ op3cf_39 = IN3CFB(info->mmio_map, 0x39); - OUT3C5B(info->mmio_map, 0x39, (op3cf_39 & ~0x01)); //Set 3cf.39 bit 0 to 0 - OUT3C5B(info->mmio_map, 0x39, (op3cf_39 | 0x01)); //Set 3cf.39 bit 0 to 1 + OUT3C5B(info->mmio_map, 0x39, (op3cf_39 & ~0x01)); + OUT3C5B(info->mmio_map, 0x39, (op3cf_39 | 0x01)); ret = TRUE; } |