drm/nvd0/disp: attempt to handle more than 2 crtcs if possible
Theoretically handles CRTC2/CRTC3, should any GF119 out there actually
have them enabled. The room is there for the regs etc, so why not :)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index d2ba2f0..296f205 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -1548,7 +1548,7 @@
{
struct drm_device *dev = (struct drm_device *)data;
struct nvd0_display *disp = nvd0_display(dev);
- u32 mask, crtc;
+ u32 mask = 0, crtc = ~0;
int i;
if (drm_debug & (DRM_UT_DRIVER | DRM_UT_KMS)) {
@@ -1564,12 +1564,8 @@
}
}
- mask = nv_rd32(dev, 0x6101d4);
- crtc = 0;
- if (!mask) {
- mask = nv_rd32(dev, 0x6109d4);
- crtc = 1;
- }
+ while (!mask && ++crtc < dev->mode_config.num_crtc)
+ mask = nv_rd32(dev, 0x6101d4 + (crtc * 0x800));
if (disp->modeset & 0x00000001)
nvd0_display_unk1_handler(dev, crtc, mask);
@@ -1584,6 +1580,7 @@
{
struct nvd0_display *disp = nvd0_display(dev);
u32 intr = nv_rd32(dev, 0x610088);
+ int i;
if (intr & 0x00000001) {
u32 stat = nv_rd32(dev, 0x61008c);
@@ -1628,16 +1625,13 @@
intr &= ~0x00100000;
}
- if (intr & 0x01000000) {
- u32 stat = nv_rd32(dev, 0x6100bc);
- nv_wr32(dev, 0x6100bc, stat);
- intr &= ~0x01000000;
- }
-
- if (intr & 0x02000000) {
- u32 stat = nv_rd32(dev, 0x6108bc);
- nv_wr32(dev, 0x6108bc, stat);
- intr &= ~0x02000000;
+ for (i = 0; i < dev->mode_config.num_crtc; i++) {
+ u32 mask = 0x01000000 << i;
+ if (intr & mask) {
+ u32 stat = nv_rd32(dev, 0x6100bc + (i * 0x800));
+ nv_wr32(dev, 0x6100bc + (i * 0x800), stat);
+ intr &= ~mask;
+ }
}
if (intr)
@@ -1774,7 +1768,7 @@
struct pci_dev *pdev = dev->pdev;
struct nvd0_display *disp;
struct dcb_entry *dcbe;
- int ret, i;
+ int crtcs, ret, i;
disp = kzalloc(sizeof(*disp), GFP_KERNEL);
if (!disp)
@@ -1782,7 +1776,8 @@
dev_priv->engine.display.priv = disp;
/* create crtc objects to represent the hw heads */
- for (i = 0; i < 2; i++) {
+ crtcs = nv_rd32(dev, 0x022448);
+ for (i = 0; i < crtcs; i++) {
ret = nvd0_crtc_create(dev, i);
if (ret)
goto out;