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drm/nvd0/disp: attempt to handle more than 2 crtcs if possible

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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>
This commit is contained in:
Ben Skeggs 2012-03-04 16:25:59 +10:00
parent 29181d2f7b
commit 7c5f6a87b2
1 changed files with 14 additions and 19 deletions
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33
drivers/gpu/drm/nouveau/nvd0_display.c
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@ -1548,7 +1548,7 @@ nvd0_display_bh(unsigned long data)
{
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 @@ nvd0_display_bh(unsigned long data)
}
}
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 @@ nvd0_display_intr(struct drm_device *dev)
{
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 @@ nvd0_display_intr(struct drm_device *dev)
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 @@ nvd0_display_create(struct drm_device *dev)
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 @@ nvd0_display_create(struct drm_device *dev)
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;