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drm/g94-/disp: add method to power-off dp lanes

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-05-26 12:09:06 +10:00
parent 55f083c33f
commit ebd6acbb06
5 changed files with 35 additions and 0 deletions
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1
drivers/gpu/drm/nouveau/core/engine/disp/nv94.c
View file

@ -77,6 +77,7 @@ nv94_disp_base_omthds[] = {
{ SOR_MTHD(NV50_DISP_SOR_PWR) , nv50_sor_mthd },
{ SOR_MTHD(NV84_DISP_SOR_HDMI_PWR) , nv50_sor_mthd },
{ SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd },
{ SOR_MTHD(NV94_DISP_SOR_DP_PWR) , nv50_sor_mthd },
{ DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd },
{ DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd },
{ PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd },

1
drivers/gpu/drm/nouveau/core/engine/disp/nva3.c
View file

@ -50,6 +50,7 @@ nva3_disp_base_omthds[] = {
{ SOR_MTHD(NVA3_DISP_SOR_HDA_ELD) , nv50_sor_mthd },
{ SOR_MTHD(NV84_DISP_SOR_HDMI_PWR) , nv50_sor_mthd },
{ SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd },
{ SOR_MTHD(NV94_DISP_SOR_DP_PWR) , nv50_sor_mthd },
{ DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd },
{ DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd },
{ PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd },

1
drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
View file

@ -887,6 +887,7 @@ nvd0_disp_base_omthds[] = {
{ SOR_MTHD(NVA3_DISP_SOR_HDA_ELD) , nv50_sor_mthd },
{ SOR_MTHD(NV84_DISP_SOR_HDMI_PWR) , nv50_sor_mthd },
{ SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd },
{ SOR_MTHD(NV94_DISP_SOR_DP_PWR) , nv50_sor_mthd },
{ DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd },
{ DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd },
{ PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd },

28
drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c
View file

@ -47,8 +47,12 @@ int
nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size)
{
struct nv50_disp_priv *priv = (void *)object->engine;
const u8 type = (mthd & NV50_DISP_SOR_MTHD_TYPE) >> 12;
const u8 head = (mthd & NV50_DISP_SOR_MTHD_HEAD) >> 3;
const u8 link = (mthd & NV50_DISP_SOR_MTHD_LINK) >> 2;
const u8 or = (mthd & NV50_DISP_SOR_MTHD_OR);
const u16 mask = (0x0100 << head) | (0x0040 << link) | (0x0001 << or);
struct nvkm_output *outp = NULL, *temp;
u32 data;
int ret = -EINVAL;
@ -56,6 +60,13 @@ nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size)
return -EINVAL;
data = *(u32 *)args;
list_for_each_entry(temp, &priv->base.outp, head) {
if ((temp->info.hasht & 0xff) == type &&
(temp->info.hashm & mask) == mask) {
outp = temp;
break;
}
}
switch (mthd & ~0x3f) {
case NV50_DISP_SOR_PWR:
@ -71,6 +82,23 @@ nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size)
priv->sor.lvdsconf = data & NV50_DISP_SOR_LVDS_SCRIPT_ID;
ret = 0;
break;
case NV94_DISP_SOR_DP_PWR:
if (outp) {
struct nvkm_output_dp *outpdp = (void *)outp;
switch (data) {
case NV94_DISP_SOR_DP_PWR_STATE_OFF:
((struct nvkm_output_dp_impl *)nv_oclass(outp))
->lnk_pwr(outpdp, 0);
atomic_set(&outpdp->lt.done, 0);
break;
case NV94_DISP_SOR_DP_PWR_STATE_ON:
nvkm_output_dp_train(&outpdp->base, 0, true);
break;
default:
return -EINVAL;
}
}
break;
default:
BUG_ON(1);
}

4
drivers/gpu/drm/nouveau/core/include/core/class.h
View file

@ -295,6 +295,10 @@ struct nv04_display_scanoutpos {
#define NV84_DISP_SOR_HDMI_PWR_REKEY 0x0000007f
#define NV50_DISP_SOR_LVDS_SCRIPT 0x00013000
#define NV50_DISP_SOR_LVDS_SCRIPT_ID 0x0000ffff
#define NV94_DISP_SOR_DP_PWR 0x00016000
#define NV94_DISP_SOR_DP_PWR_STATE 0x00000001
#define NV94_DISP_SOR_DP_PWR_STATE_OFF 0x00000000
#define NV94_DISP_SOR_DP_PWR_STATE_ON 0x00000001
#define NV50_DISP_DAC_MTHD 0x00020000
#define NV50_DISP_DAC_MTHD_TYPE 0x0000f000