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raspberrypi-kernel
提交 4ea253ad 编写于 作者: B Ben Skeggs
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drm/nvd0/disp: handle multiple actions from one set of supervisor intrs 

Signed-off-by: NBen Skeggs <bskeggs@redhat.com>
上级 16d4c031
隐藏空白更改
内联 并排
Showing with 118 addition and 103 deletion
drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
浏览文件 @ 4ea253ad
......@@ -623,13 +623,24 @@ exec_lookup(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl,
}
static bool
exec_script(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, int id)
exec_script(struct nv50_disp_priv *priv, int head, int id)
{
struct nouveau_bios *bios = nouveau_bios(priv);
struct nvbios_outp info;
struct dcb_output dcb;
u8 ver, hdr, cnt, len;
u32 ctrl = 0x00000000;
u16 data;
int outp;
for (outp = 0; !(ctrl & (1 << head)) && outp < 8; outp++) {
ctrl = nv_rd32(priv, 0x640180 + (outp * 0x20));
if (ctrl & (1 << head))
break;
}
if (outp == 8)
return false;
data = exec_lookup(priv, head, outp, ctrl, &dcb, &ver, &hdr, &cnt, &len, &info);
if (data) {
......@@ -649,14 +660,25 @@ exec_script(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, int id)
}
static u32
exec_clkcmp(struct nv50_disp_priv *priv, int head, int outp,
u32 ctrl, int id, u32 pclk, struct dcb_output *dcb)
exec_clkcmp(struct nv50_disp_priv *priv, int head, int id,
u32 pclk, struct dcb_output *dcb)
{
struct nouveau_bios *bios = nouveau_bios(priv);
struct nvbios_outp info1;
struct nvbios_ocfg info2;
u8 ver, hdr, cnt, len;
u32 ctrl = 0x00000000;
u32 data, conf = ~0;
int outp;
for (outp = 0; !(ctrl & (1 << head)) && outp < 8; outp++) {
ctrl = nv_rd32(priv, 0x660180 + (outp * 0x20));
if (ctrl & (1 << head))
break;
}
if (outp == 8)
return false;
data = exec_lookup(priv, head, outp, ctrl, dcb, &ver, &hdr, &cnt, &len, &info1);
if (data == 0x0000)
......@@ -701,24 +723,32 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int outp,
}
static void
nvd0_display_unk1_handler(struct nv50_disp_priv *priv, u32 head, u32 mask)
nvd0_disp_intr_unk1_0(struct nv50_disp_priv *priv, int head)
{
int i;
exec_script(priv, head, 1);
}
for (i = 0; mask && i < 8; i++) {
u32 mcc = nv_rd32(priv, 0x640180 + (i * 0x20));
if (mcc & (1 << head))
exec_script(priv, head, i, mcc, 1);
}
static void
nvd0_disp_intr_unk2_0(struct nv50_disp_priv *priv, int head)
{
exec_script(priv, head, 2);
}
nv_wr32(priv, 0x6101d4, 0x00000000);
nv_wr32(priv, 0x6109d4, 0x00000000);
nv_wr32(priv, 0x6101d0, 0x80000000);
static void
nvd0_disp_intr_unk2_1(struct nv50_disp_priv *priv, int head)
{
struct nouveau_clock *clk = nouveau_clock(priv);
u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
if (pclk)
clk->pll_set(clk, PLL_VPLL0 + head, pclk);
nv_wr32(priv, 0x612200 + (head * 0x800), 0x00000000);
}
static void
nvd0_display_unk2_calc_tu(struct nv50_disp_priv *priv, int head, int or)
nvd0_disp_intr_unk2_2_tu(struct nv50_disp_priv *priv, int head,
struct dcb_output *outp)
{
const int or = ffs(outp->or) - 1;
const u32 ctrl = nv_rd32(priv, 0x660200 + (or * 0x020));
const u32 conf = nv_rd32(priv, 0x660404 + (head * 0x300));
const u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
......@@ -761,97 +791,51 @@ nvd0_display_unk2_calc_tu(struct nv50_disp_priv *priv, int head, int or)
}
static void
nvd0_display_unk2_handler(struct nv50_disp_priv *priv, u32 head, u32 mask)
nvd0_disp_intr_unk2_2(struct nv50_disp_priv *priv, int head)
{
struct dcb_output outp;
u32 pclk;
int i;
for (i = 0; mask && i < 8; i++) {
u32 mcc = nv_rd32(priv, 0x640180 + (i * 0x20));
if (mcc & (1 << head))
exec_script(priv, head, i, mcc, 2);
}
u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
u32 conf = exec_clkcmp(priv, head, 0xff, pclk, &outp);
if (conf != ~0) {
u32 addr, data;
if (outp.type == DCB_OUTPUT_DP) {
u32 sync = nv_rd32(priv, 0x660404 + (head * 0x300));
switch ((sync & 0x000003c0) >> 6) {
case 6: pclk = pclk * 30 / 8; break;
case 5: pclk = pclk * 24 / 8; break;
case 2:
default:
pclk = pclk * 18 / 8;
break;
}
pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
nv_debug(priv, "head %d pclk %d mask 0x%08x\n", head, pclk, mask);
if (pclk && (mask & 0x00010000)) {
struct nouveau_clock *clk = nouveau_clock(priv);
clk->pll_set(clk, PLL_VPLL0 + head, pclk);
}
nouveau_dp_train(&priv->base, priv->sor.dp,
&outp, head, pclk);
}
nv_wr32(priv, 0x612200 + (head * 0x800), 0x00000000);
exec_clkcmp(priv, head, 0, pclk, &outp);
for (i = 0; mask && i < 8; i++) {
u32 mcp = nv_rd32(priv, 0x660180 + (i * 0x20));
if (mcp & (1 << head)) {
u32 cfg = exec_clkcmp(priv, head, i, mcp, 0xff, pclk, &outp);
if (cfg != ~0) {
u32 addr, mask, data = 0x00000000;
if (outp.type == DCB_OUTPUT_DP) {
switch ((mcp & 0x000f0000) >> 16) {
case 6: pclk = pclk * 30 / 8; break;
case 5: pclk = pclk * 24 / 8; break;
case 2:
default:
pclk = pclk * 18 / 8;
break;
}
nouveau_dp_train(&priv->base,
priv->sor.dp,
&outp, head, pclk);
}
exec_clkcmp(priv, head, i, mcp, 0, pclk, &outp);
if (i < 4) {
addr = 0x612280 + ((i - 0) * 0x800);
mask = 0xffffffff;
} else {
switch (mcp & 0x00000f00) {
case 0x00000800:
case 0x00000900:
nvd0_display_unk2_calc_tu(priv, head, i - 4);
break;
default:
break;
}
addr = 0x612300 + ((i - 4) * 0x800);
mask = 0x00000707;
if (cfg & 0x00000100)
data = 0x00000101;
}
nv_mask(priv, addr, mask, data);
}
break;
if (outp.type == DCB_OUTPUT_ANALOG) {
addr = 0x612280 + (ffs(outp.or) - 1) * 0x800;
data = 0x00000000;
} else {
if (outp.type == DCB_OUTPUT_DP)
nvd0_disp_intr_unk2_2_tu(priv, head, &outp);
addr = 0x612300 + (ffs(outp.or) - 1) * 0x800;
data = (conf & 0x0100) ? 0x00000101 : 0x00000000;
}
}
nv_wr32(priv, 0x6101d4, 0x00000000);
nv_wr32(priv, 0x6109d4, 0x00000000);
nv_wr32(priv, 0x6101d0, 0x80000000);
nv_mask(priv, addr, 0x00000707, data);
}
}
static void
nvd0_display_unk4_handler(struct nv50_disp_priv *priv, u32 head, u32 mask)
nvd0_disp_intr_unk4_0(struct nv50_disp_priv *priv, int head)
{
struct dcb_output outp;
int pclk, i;
pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
for (i = 0; mask && i < 8; i++) {
u32 mcp = nv_rd32(priv, 0x660180 + (i * 0x20));
if (mcp & (1 << head))
exec_clkcmp(priv, head, i, mcp, 1, pclk, &outp);
}
nv_wr32(priv, 0x6101d4, 0x00000000);
nv_wr32(priv, 0x6109d4, 0x00000000);
nv_wr32(priv, 0x6101d0, 0x80000000);
u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
exec_clkcmp(priv, head, 1, pclk, &outp);
}
void
......@@ -859,19 +843,50 @@ nvd0_disp_intr_supervisor(struct work_struct *work)
{
struct nv50_disp_priv *priv =
container_of(work, struct nv50_disp_priv, supervisor);
u32 mask = 0, head = ~0;
u32 mask[4];
int head;
while (!mask && ++head < priv->head.nr)
mask = nv_rd32(priv, 0x6101d4 + (head * 0x800));
nv_debug(priv, "supervisor %08x\n", priv->super);
for (head = 0; head < priv->head.nr; head++) {
mask[head] = nv_rd32(priv, 0x6101d4 + (head * 0x800));
nv_debug(priv, "head %d: 0x%08x\n", head, mask[head]);
}
nv_debug(priv, "supervisor %08x %08x %d\n", priv->super, mask, head);
if (priv->super & 0x00000001) {
for (head = 0; head < priv->head.nr; head++) {
if (!(mask[head] & 0x00001000))
continue;
nvd0_disp_intr_unk1_0(priv, head);
}
} else
if (priv->super & 0x00000002) {
for (head = 0; head < priv->head.nr; head++) {
if (!(mask[head] & 0x00001000))
continue;
nvd0_disp_intr_unk2_0(priv, head);
}
for (head = 0; head < priv->head.nr; head++) {
if (!(mask[head] & 0x00010000))
continue;
nvd0_disp_intr_unk2_1(priv, head);
}
for (head = 0; head < priv->head.nr; head++) {
if (!(mask[head] & 0x00001000))
continue;
nvd0_disp_intr_unk2_2(priv, head);
}
} else
if (priv->super & 0x00000004) {
for (head = 0; head < priv->head.nr; head++) {
if (!(mask[head] & 0x00001000))
continue;
nvd0_disp_intr_unk4_0(priv, head);
}
}
if (priv->super & 0x00000001)
nvd0_display_unk1_handler(priv, head, mask);
if (priv->super & 0x00000002)
nvd0_display_unk2_handler(priv, head, mask);
if (priv->super & 0x00000004)
nvd0_display_unk4_handler(priv, head, mask);
for (head = 0; head < priv->head.nr; head++)
nv_wr32(priv, 0x6101d4 + (head * 0x800), 0x00000000);
nv_wr32(priv, 0x6101d0, 0x80000000);
}
void
......
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