提交 bc9139d2 编写于 作者: B Ben Skeggs

drm/nouveau/bios/disp: fix handling of "match any protocol" entries

As it turns out, a value of 0xff means "any protocol" and not "VGA".
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
上级 92181d47
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
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......@@ -25,7 +25,8 @@ u16 nvbios_outp_match(struct nvkm_bios *, u16 type, u16 mask,
u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_outp *);
struct nvbios_ocfg {
u16 match;
u8 proto;
u8 flags;
u16 clkcmp[2];
};
......@@ -33,7 +34,7 @@ u16 nvbios_ocfg_entry(struct nvkm_bios *, u16 outp, u8 idx,
u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
u16 nvbios_ocfg_parse(struct nvkm_bios *, u16 outp, u8 idx,
u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ocfg *);
u16 nvbios_ocfg_match(struct nvkm_bios *, u16 outp, u16 type,
u16 nvbios_ocfg_match(struct nvkm_bios *, u16 outp, u8 proto, u8 flags,
u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ocfg *);
u16 nvbios_oclk_match(struct nvkm_bios *, u16 cmp, u32 khz);
#endif
......@@ -76,6 +76,7 @@ exec_lookup(struct nv50_disp *disp, int head, int or, u32 ctrl,
mask |= 0x0001 << or;
mask |= 0x0100 << head;
list_for_each_entry(outp, &disp->base.outp, head) {
if ((outp->info.hasht & 0xff) == type &&
(outp->info.hashm & mask) == mask) {
......@@ -155,25 +156,21 @@ exec_clkcmp(struct nv50_disp *disp, int head, int id, u32 pclk, u32 *conf)
if (!outp)
return NULL;
*conf = (ctrl & 0x00000f00) >> 8;
switch (outp->info.type) {
case DCB_OUTPUT_TMDS:
*conf = (ctrl & 0x00000f00) >> 8;
if (*conf == 5)
*conf |= 0x0100;
break;
case DCB_OUTPUT_LVDS:
*conf = disp->sor.lvdsconf;
break;
case DCB_OUTPUT_DP:
*conf = (ctrl & 0x00000f00) >> 8;
*conf |= disp->sor.lvdsconf;
break;
case DCB_OUTPUT_ANALOG:
default:
*conf = 0x00ff;
break;
}
data = nvbios_ocfg_match(bios, data, *conf, &ver, &hdr, &cnt, &len, &info2);
data = nvbios_ocfg_match(bios, data, *conf & 0xff, *conf >> 8,
&ver, &hdr, &cnt, &len, &info2);
if (data && id < 0xff) {
data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk);
if (data) {
......
......@@ -387,22 +387,17 @@ exec_clkcmp(struct nv50_disp *disp, int head, int id, u32 pclk, u32 *conf)
if (!outp)
return NULL;
*conf = (ctrl & 0x00000f00) >> 8;
if (outp->info.location == 0) {
switch (outp->info.type) {
case DCB_OUTPUT_TMDS:
*conf = (ctrl & 0x00000f00) >> 8;
if (*conf == 5)
*conf |= 0x0100;
break;
case DCB_OUTPUT_LVDS:
*conf = disp->sor.lvdsconf;
*conf |= disp->sor.lvdsconf;
break;
case DCB_OUTPUT_DP:
*conf = (ctrl & 0x00000f00) >> 8;
break;
case DCB_OUTPUT_ANALOG:
default:
*conf = 0x00ff;
break;
}
} else {
......@@ -410,7 +405,8 @@ exec_clkcmp(struct nv50_disp *disp, int head, int id, u32 pclk, u32 *conf)
pclk = pclk / 2;
}
data = nvbios_ocfg_match(bios, data, *conf, &ver, &hdr, &cnt, &len, &info2);
data = nvbios_ocfg_match(bios, data, *conf & 0xff, *conf >> 8,
&ver, &hdr, &cnt, &len, &info2);
if (data && id < 0xff) {
data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk);
if (data) {
......
......@@ -141,7 +141,8 @@ nvbios_ocfg_parse(struct nvkm_bios *bios, u16 outp, u8 idx,
{
u16 data = nvbios_ocfg_entry(bios, outp, idx, ver, hdr, cnt, len);
if (data) {
info->match = nvbios_rd16(bios, data + 0x00);
info->proto = nvbios_rd08(bios, data + 0x00);
info->flags = nvbios_rd16(bios, data + 0x01);
info->clkcmp[0] = nvbios_rd16(bios, data + 0x02);
info->clkcmp[1] = nvbios_rd16(bios, data + 0x04);
}
......@@ -149,12 +150,13 @@ nvbios_ocfg_parse(struct nvkm_bios *bios, u16 outp, u8 idx,
}
u16
nvbios_ocfg_match(struct nvkm_bios *bios, u16 outp, u16 type,
nvbios_ocfg_match(struct nvkm_bios *bios, u16 outp, u8 proto, u8 flags,
u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ocfg *info)
{
u16 data, idx = 0;
while ((data = nvbios_ocfg_parse(bios, outp, idx++, ver, hdr, cnt, len, info))) {
if (info->match == type)
if ((info->proto == proto || info->proto == 0xff) &&
(info->flags == flags))
break;
}
return data;
......
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