Commit ee41779e authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nvd0/disp: rewrite irq handler, should be somewhat sturdier now


Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent f20ce962
......@@ -46,14 +46,7 @@ struct nvd0_display {
} evo[1];
struct tasklet_struct tasklet;
struct {
struct dcb_entry *dis;
struct dcb_entry *ena;
u32 modeset;
int crtc;
int pclk;
u16 cfg;
} irq;
u32 modeset;
};
static struct nvd0_display *
......@@ -965,6 +958,23 @@ nvd0_sor_create(struct drm_connector *connector, struct dcb_entry *dcbe)
/******************************************************************************
* IRQ
*****************************************************************************/
static void
debug_irq(struct drm_device *dev, int i)
{
if (drm_debug & (DRM_UT_DRIVER | DRM_UT_KMS)) {
NV_INFO(dev, "PDISP: modeset req %d\n", i);
NV_INFO(dev, " STAT: 0x%08x 0x%08x 0x%08x\n",
nv_rd32(dev, 0x6101d0),
nv_rd32(dev, 0x6101d4), nv_rd32(dev, 0x6109d4));
for (i = 0; i < 8; i++) {
NV_INFO(dev, " %s%d: 0x%08x 0x%08x\n",
i < 4 ? "DAC" : "SOR", i,
nv_rd32(dev, 0x640180 + (i * 0x20)),
nv_rd32(dev, 0x660180 + (i * 0x20)));
}
}
}
static struct dcb_entry *
lookup_dcb(struct drm_device *dev, int id, u32 mc)
{
......@@ -981,6 +991,7 @@ lookup_dcb(struct drm_device *dev, int id, u32 mc)
case 0x00000200: type = OUTPUT_TMDS; break;
case 0x00000500: type = OUTPUT_TMDS; break;
default:
NV_ERROR(dev, "PDISP: unknown SOR mc 0x%08x\n", mc);
return NULL;
}
......@@ -993,49 +1004,36 @@ lookup_dcb(struct drm_device *dev, int id, u32 mc)
return dcb;
}
NV_INFO(dev, "PDISP: DCB for %d/0x%08x not found\n", id, mc);
NV_ERROR(dev, "PDISP: DCB for %d/0x%08x not found\n", id, mc);
return NULL;
}
static void
nvd0_display_unk1_handler(struct drm_device *dev)
{
struct nvd0_display *disp = nvd0_display(dev);
struct dcb_entry *dcb;
u32 unkn, crtc = 0;
u32 mask, crtc;
int i;
NV_INFO(dev, "PDISP: 1 0x%08x 0x%08x 0x%08x\n", nv_rd32(dev, 0x6101d0),
nv_rd32(dev, 0x6101d4), nv_rd32(dev, 0x6109d4));
unkn = nv_rd32(dev, 0x6101d4);
if (!unkn) {
unkn = nv_rd32(dev, 0x6109d4);
mask = nv_rd32(dev, 0x6101d4);
crtc = 0;
if (!mask) {
mask = nv_rd32(dev, 0x6109d4);
crtc = 1;
}
debug_irq(dev, 1);
disp->irq.ena = NULL;
disp->irq.dis = NULL;
disp->irq.crtc = crtc;
disp->irq.pclk = nv_rd32(dev, 0x660450 + (disp->irq.crtc * 0x300));
disp->irq.pclk /= 1000;
for (i = 0; i < 8; i++) {
for (i = 0; mask && i < 8; i++) {
u32 mcc = nv_rd32(dev, 0x640180 + (i * 0x20));
u32 mcp = nv_rd32(dev, 0x660180 + (i * 0x20));
if (mcc & (1 << crtc))
disp->irq.dis = lookup_dcb(dev, i, mcc);
if (!(mcc & (1 << crtc)))
continue;
if (mcp & (1 << crtc)) {
disp->irq.cfg = nv_rd32(dev, 0x660184 + (i * 0x20));
disp->irq.ena = lookup_dcb(dev, i, mcp);
}
}
dcb = lookup_dcb(dev, i, mcc);
if (!dcb)
continue;
dcb = disp->irq.dis;
if (dcb)
nouveau_bios_run_display_table(dev, 0x0000, -1, dcb, crtc);
}
nv_wr32(dev, 0x6101d4, 0x00000000);
nv_wr32(dev, 0x6109d4, 0x00000000);
......@@ -1045,49 +1043,70 @@ nvd0_display_unk1_handler(struct drm_device *dev)
static void
nvd0_display_unk2_handler(struct drm_device *dev)
{
struct nvd0_display *disp = nvd0_display(dev);
struct dcb_entry *dcb;
int crtc = disp->irq.crtc;
int pclk = disp->irq.pclk;
int or;
u32 tmp;
u32 mask, crtc, pclk;
u32 or, tmp;
int i;
mask = nv_rd32(dev, 0x6101d4);
crtc = 0;
if (!mask) {
mask = nv_rd32(dev, 0x6109d4);
crtc = 1;
}
debug_irq(dev, 2);
NV_INFO(dev, "PDISP: 2 0x%08x 0x%08x 0x%08x\n", nv_rd32(dev, 0x6101d0),
nv_rd32(dev, 0x6101d4), nv_rd32(dev, 0x6109d4));
for (i = 0; mask && i < 8; i++) {
u32 mcc = nv_rd32(dev, 0x640180 + (i * 0x20));
if (!(mcc & (1 << crtc)))
continue;
dcb = lookup_dcb(dev, i, mcc);
if (!dcb)
continue;
dcb = disp->irq.dis;
disp->irq.dis = NULL;
if (dcb)
nouveau_bios_run_display_table(dev, 0x0000, -2, dcb, crtc);
}
pclk = nv_rd32(dev, 0x660450 + (crtc * 0x300)) / 1000;
if (mask & 0x00010000) {
nv50_crtc_set_clock(dev, crtc, pclk);
}
nv50_crtc_set_clock(dev, crtc, pclk);
for (i = 0; mask && i < 8; i++) {
u32 mcp = nv_rd32(dev, 0x660180 + (i * 0x20));
u32 cfg = nv_rd32(dev, 0x660184 + (i * 0x20));
if (!(mcp & (1 << crtc)))
continue;
dcb = disp->irq.ena;
if (!dcb)
goto ack;
or = ffs(dcb->or) - 1;
dcb = lookup_dcb(dev, i, mcp);
if (!dcb)
continue;
or = ffs(dcb->or) - 1;
nouveau_bios_run_display_table(dev, disp->irq.cfg, pclk, dcb, crtc);
nouveau_bios_run_display_table(dev, cfg, pclk, dcb, crtc);
nv_wr32(dev, 0x612200 + (crtc * 0x800), 0x00000000);
switch (dcb->type) {
case OUTPUT_ANALOG:
nv_wr32(dev, 0x612280 + (or * 0x800), 0x00000000);
break;
case OUTPUT_TMDS:
case OUTPUT_LVDS:
if (disp->irq.cfg & 0x00000100)
tmp = 0x00000101;
else
tmp = 0x00000000;
nv_wr32(dev, 0x612200 + (crtc * 0x800), 0x00000000);
switch (dcb->type) {
case OUTPUT_ANALOG:
nv_wr32(dev, 0x612280 + (or * 0x800), 0x00000000);
break;
case OUTPUT_TMDS:
case OUTPUT_LVDS:
if (cfg & 0x00000100)
tmp = 0x00000101;
else
tmp = 0x00000000;
nv_mask(dev, 0x612300 + (or * 0x800), 0x00000707, tmp);
break;
default:
break;
}
nv_mask(dev, 0x612300 + (or * 0x800), 0x00000707, tmp);
break;
default:
break;
}
ack:
nv_wr32(dev, 0x6101d4, 0x00000000);
nv_wr32(dev, 0x6109d4, 0x00000000);
nv_wr32(dev, 0x6101d0, 0x80000000);
......@@ -1096,22 +1115,33 @@ ack:
static void
nvd0_display_unk4_handler(struct drm_device *dev)
{
struct nvd0_display *disp = nvd0_display(dev);
struct dcb_entry *dcb;
int crtc = disp->irq.crtc;
int pclk = disp->irq.pclk;
u32 mask, crtc;
int pclk, i;
mask = nv_rd32(dev, 0x6101d4);
crtc = 0;
if (!mask) {
mask = nv_rd32(dev, 0x6109d4);
crtc = 1;
}
debug_irq(dev, 4);
NV_INFO(dev, "PDISP: 4 0x%08x 0x%08x 0x%08x\n", nv_rd32(dev, 0x6101d0),
nv_rd32(dev, 0x6101d4), nv_rd32(dev, 0x6109d4));
pclk = nv_rd32(dev, 0x660450 + (crtc * 0x300)) / 1000;
dcb = disp->irq.ena;
disp->irq.ena = NULL;
if (!dcb)
goto ack;
for (i = 0; mask && i < 8; i++) {
u32 mcp = nv_rd32(dev, 0x660180 + (i * 0x20));
u32 cfg = nv_rd32(dev, 0x660184 + (i * 0x20));
if (!(mcp & (1 << crtc)))
continue;
nouveau_bios_run_display_table(dev, disp->irq.cfg, pclk, dcb, crtc);
dcb = lookup_dcb(dev, i, mcp);
if (!dcb)
continue;
nouveau_bios_run_display_table(dev, cfg, -pclk, dcb, crtc);
}
ack:
nv_wr32(dev, 0x6101d4, 0x00000000);
nv_wr32(dev, 0x6109d4, 0x00000000);
nv_wr32(dev, 0x6101d0, 0x80000000);
......@@ -1123,11 +1153,11 @@ nvd0_display_bh(unsigned long data)
struct drm_device *dev = (struct drm_device *)data;
struct nvd0_display *disp = nvd0_display(dev);
if (disp->irq.modeset & 0x00000001)
if (disp->modeset & 0x00000001)
nvd0_display_unk1_handler(dev);
if (disp->irq.modeset & 0x00000002)
if (disp->modeset & 0x00000002)
nvd0_display_unk2_handler(dev);
if (disp->irq.modeset & 0x00000004)
if (disp->modeset & 0x00000004)
nvd0_display_unk4_handler(dev);
}
......@@ -1159,7 +1189,7 @@ nvd0_display_intr(struct drm_device *dev)
u32 stat = nv_rd32(dev, 0x6100ac);
if (stat & 0x00000007) {
disp->irq.modeset = stat;
disp->modeset = stat;
tasklet_schedule(&disp->tasklet);
nv_wr32(dev, 0x6100ac, (stat & 0x00000007));
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment