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drm/nouveau: Kill global state in NvShadowBIOS

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Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Marcin Kościelnicki 2009-12-15 00:37:30 +00:00 committed by Ben Skeggs
parent ef2bb50668
commit 657b6245ba
1 changed files with 21 additions and 26 deletions
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47
drivers/gpu/drm/nouveau/nouveau_bios.c
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@ -181,43 +181,42 @@ struct methods {
const char desc[8];
void (*loadbios)(struct drm_device *, uint8_t *);
const bool rw;
int score;
};
static struct methods nv04_methods[] = {
{ "PROM", load_vbios_prom, false },
{ "PRAMIN", load_vbios_pramin, true },
{ "PCIROM", load_vbios_pci, true },
{ }
};
static struct methods nv50_methods[] = {
{ "PRAMIN", load_vbios_pramin, true },
{ "PROM", load_vbios_prom, false },
{ "PCIROM", load_vbios_pci, true },
{ }
};
#define METHODCNT 3
static bool NVShadowVBIOS(struct drm_device *dev, uint8_t *data)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct methods *methods, *method;
struct methods *methods;
int i;
int testscore = 3;
int scores[METHODCNT];
if (nouveau_vbios) {
method = nv04_methods;
while (method->loadbios) {
if (!strcasecmp(nouveau_vbios, method->desc))
methods = nv04_methods;
for (i = 0; i < METHODCNT; i++)
if (!strcasecmp(nouveau_vbios, methods[i].desc))
break;
method++;
}
if (method->loadbios) {
if (i < METHODCNT) {
NV_INFO(dev, "Attempting to use BIOS image from %s\n",
method->desc);
methods[i].desc);
method->loadbios(dev, data);
if (score_vbios(dev, data, method->rw))
methods[i].loadbios(dev, data);
if (score_vbios(dev, data, methods[i].rw))
return true;
}
@ -229,28 +228,24 @@ static bool NVShadowVBIOS(struct drm_device *dev, uint8_t *data)
else
methods = nv50_methods;
method = methods;
while (method->loadbios) {
for (i = 0; i < METHODCNT; i++) {
NV_TRACE(dev, "Attempting to load BIOS image from %s\n",
method->desc);
methods[i].desc);
data[0] = data[1] = 0; /* avoid reuse of previous image */
method->loadbios(dev, data);
method->score = score_vbios(dev, data, method->rw);
if (method->score == testscore)
methods[i].loadbios(dev, data);
scores[i] = score_vbios(dev, data, methods[i].rw);
if (scores[i] == testscore)
return true;
method++;
}
while (--testscore > 0) {
method = methods;
while (method->loadbios) {
if (method->score == testscore) {
for (i = 0; i < METHODCNT; i++) {
if (scores[i] == testscore) {
NV_TRACE(dev, "Using BIOS image from %s\n",
method->desc);
method->loadbios(dev, data);
methods[i].desc);
methods[i].loadbios(dev, data);
return true;
}
method++;
}
}