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drm/nouveau/disp: add a method to fetch info needed by drm vblank timestamping 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-11-14 13:37:48 +10:00
parent eb2e9686d6
commit d2fa7d32ea
10 changed files with 146 additions and 7 deletions
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38
drivers/gpu/drm/nouveau/core/engine/disp/nv04.c
View File

@ -31,9 +31,45 @@ struct nv04_disp_priv {
struct nouveau_disp base;
};
static int
nv04_disp_scanoutpos(struct nouveau_object *object, u32 mthd,
void *data, u32 size)
{
struct nv04_disp_priv *priv = (void *)object->engine;
struct nv04_display_scanoutpos *args = data;
const int head = (mthd & NV04_DISP_MTHD_HEAD);
u32 line;
if (size < sizeof(*args))
return -EINVAL;
args->vblanks = nv_rd32(priv, 0x680800 + (head * 0x2000)) & 0xffff;
args->vtotal = nv_rd32(priv, 0x680804 + (head * 0x2000)) & 0xffff;
args->vblanke = args->vtotal - 1;
args->hblanks = nv_rd32(priv, 0x680820 + (head * 0x2000)) & 0xffff;
args->htotal = nv_rd32(priv, 0x680824 + (head * 0x2000)) & 0xffff;
args->hblanke = args->htotal - 1;
args->time[0] = ktime_to_ns(ktime_get());
line = nv_rd32(priv, 0x600868 + (head * 0x2000));
args->time[1] = ktime_to_ns(ktime_get());
args->hline = (line & 0xffff0000) >> 16;
args->vline = (line & 0x0000ffff);
return 0;
}
#define HEAD_MTHD(n) (n), (n) + 0x01
static struct nouveau_omthds
nv04_disp_omthds[] = {
{ HEAD_MTHD(NV04_DISP_SCANOUTPOS), nv04_disp_scanoutpos },
{}
};
static struct nouveau_oclass
nv04_disp_sclass[] = {
{ NV04_DISP_CLASS, &nouveau_object_ofuncs },
{ NV04_DISP_CLASS, &nouveau_object_ofuncs, nv04_disp_omthds },
{},
};

30
drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
View File

@ -541,6 +541,35 @@ nv50_disp_curs_ofuncs = {
* Base display object
******************************************************************************/
int
nv50_disp_base_scanoutpos(struct nouveau_object *object, u32 mthd,
void *data, u32 size)
{
struct nv50_disp_priv *priv = (void *)object->engine;
struct nv04_display_scanoutpos *args = data;
const int head = (mthd & NV50_DISP_MTHD_HEAD);
u32 blanke, blanks, total;
if (size < sizeof(*args) || head >= priv->head.nr)
return -EINVAL;
blanke = nv_rd32(priv, 0x610aec + (head * 0x540));
blanks = nv_rd32(priv, 0x610af4 + (head * 0x540));
total = nv_rd32(priv, 0x610afc + (head * 0x540));
args->vblanke = (blanke & 0xffff0000) >> 16;
args->hblanke = (blanke & 0x0000ffff);
args->vblanks = (blanks & 0xffff0000) >> 16;
args->hblanks = (blanks & 0x0000ffff);
args->vtotal = ( total & 0xffff0000) >> 16;
args->htotal = ( total & 0x0000ffff);
args->time[0] = ktime_to_ns(ktime_get());
args->vline = nv_rd32(priv, 0x616340 + (head * 0x800)) & 0xffff;
args->time[1] = ktime_to_ns(ktime_get()); /* vline read locks hline */
args->hline = nv_rd32(priv, 0x616344 + (head * 0x800)) & 0xffff;
return 0;
}
static void
nv50_disp_base_vblank_enable(struct nouveau_event *event, int head)
{
@ -675,6 +704,7 @@ nv50_disp_base_ofuncs = {
static struct nouveau_omthds
nv50_disp_base_omthds[] = {
{ HEAD_MTHD(NV50_DISP_SCANOUTPOS) , nv50_disp_base_scanoutpos },
{ SOR_MTHD(NV50_DISP_SOR_PWR) , nv50_sor_mthd },
{ SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd },
{ DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd },

7
drivers/gpu/drm/nouveau/core/engine/disp/nv50.h
View File

@ -43,6 +43,10 @@ struct nv50_disp_priv {
} pior;
};
#define HEAD_MTHD(n) (n), (n) + 0x03
int nv50_disp_base_scanoutpos(struct nouveau_object *, u32, void *, u32);
#define DAC_MTHD(n) (n), (n) + 0x03
int nv50_dac_mthd(struct nouveau_object *, u32, void *, u32);
@ -132,13 +136,12 @@ void nv50_disp_intr(struct nouveau_subdev *);
extern struct nouveau_omthds nv84_disp_base_omthds[];
extern struct nouveau_omthds nva3_disp_base_omthds[];
extern struct nouveau_ofuncs nvd0_disp_mast_ofuncs;
extern struct nouveau_ofuncs nvd0_disp_sync_ofuncs;
extern struct nouveau_ofuncs nvd0_disp_ovly_ofuncs;
extern struct nouveau_ofuncs nvd0_disp_oimm_ofuncs;
extern struct nouveau_ofuncs nvd0_disp_curs_ofuncs;
extern struct nouveau_omthds nvd0_disp_base_omthds[];
extern struct nouveau_ofuncs nvd0_disp_base_ofuncs;
extern struct nouveau_oclass nvd0_disp_cclass;
void nvd0_disp_intr_supervisor(struct work_struct *);

1
drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
View File

@ -41,6 +41,7 @@ nv84_disp_sclass[] = {
struct nouveau_omthds
nv84_disp_base_omthds[] = {
{ HEAD_MTHD(NV50_DISP_SCANOUTPOS) , nv50_disp_base_scanoutpos },
{ 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 },

1
drivers/gpu/drm/nouveau/core/engine/disp/nv94.c
View File

@ -41,6 +41,7 @@ nv94_disp_sclass[] = {
static struct nouveau_omthds
nv94_disp_base_omthds[] = {
{ HEAD_MTHD(NV50_DISP_SCANOUTPOS) , nv50_disp_base_scanoutpos },
{ 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 },

3
drivers/gpu/drm/nouveau/core/engine/disp/nva3.c
View File

@ -39,8 +39,9 @@ nva3_disp_sclass[] = {
{}
};
struct nouveau_omthds
static struct nouveau_omthds
nva3_disp_base_omthds[] = {
{ HEAD_MTHD(NV50_DISP_SCANOUTPOS) , nv50_disp_base_scanoutpos },
{ SOR_MTHD(NV50_DISP_SOR_PWR) , nv50_sor_mthd },
{ SOR_MTHD(NVA3_DISP_SOR_HDA_ELD) , nv50_sor_mthd },
{ SOR_MTHD(NV84_DISP_SOR_HDMI_PWR) , nv50_sor_mthd },

47
drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
View File

@ -440,6 +440,36 @@ nvd0_disp_curs_ofuncs = {
* Base display object
******************************************************************************/
static int
nvd0_disp_base_scanoutpos(struct nouveau_object *object, u32 mthd,
void *data, u32 size)
{
struct nv50_disp_priv *priv = (void *)object->engine;
struct nv04_display_scanoutpos *args = data;
const int head = (mthd & NV50_DISP_MTHD_HEAD);
u32 blanke, blanks, total;
if (size < sizeof(*args) || head >= priv->head.nr)
return -EINVAL;
total = nv_rd32(priv, 0x640414 + (head * 0x300));
blanke = nv_rd32(priv, 0x64041c + (head * 0x300));
blanks = nv_rd32(priv, 0x640420 + (head * 0x300));
args->vblanke = (blanke & 0xffff0000) >> 16;
args->hblanke = (blanke & 0x0000ffff);
args->vblanks = (blanks & 0xffff0000) >> 16;
args->hblanks = (blanks & 0x0000ffff);
args->vtotal = ( total & 0xffff0000) >> 16;
args->htotal = ( total & 0x0000ffff);
args->time[0] = ktime_to_ns(ktime_get());
args->vline = nv_rd32(priv, 0x616340 + (head * 0x800)) & 0xffff;
args->time[1] = ktime_to_ns(ktime_get()); /* vline read locks hline */
args->hline = nv_rd32(priv, 0x616344 + (head * 0x800)) & 0xffff;
return 0;
}
static void
nvd0_disp_base_vblank_enable(struct nouveau_event *event, int head)
{
@ -573,9 +603,24 @@ nvd0_disp_base_ofuncs = {
.fini = nvd0_disp_base_fini,
};
struct nouveau_omthds
nvd0_disp_base_omthds[] = {
{ HEAD_MTHD(NV50_DISP_SCANOUTPOS) , nvd0_disp_base_scanoutpos },
{ SOR_MTHD(NV50_DISP_SOR_PWR) , nv50_sor_mthd },
{ 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 },
{ 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 },
{ PIOR_MTHD(NV50_DISP_PIOR_TMDS_PWR) , nv50_pior_mthd },
{ PIOR_MTHD(NV50_DISP_PIOR_DP_PWR) , nv50_pior_mthd },
{},
};
static struct nouveau_oclass
nvd0_disp_base_oclass[] = {
{ NVD0_DISP_CLASS, &nvd0_disp_base_ofuncs, nva3_disp_base_omthds },
{ NVD0_DISP_CLASS, &nvd0_disp_base_ofuncs, nvd0_disp_base_omthds },
{}
};

2
drivers/gpu/drm/nouveau/core/engine/disp/nve0.c
View File

@ -41,7 +41,7 @@ nve0_disp_sclass[] = {
static struct nouveau_oclass
nve0_disp_base_oclass[] = {
{ NVE0_DISP_CLASS, &nvd0_disp_base_ofuncs, nva3_disp_base_omthds },
{ NVE0_DISP_CLASS, &nvd0_disp_base_ofuncs, nvd0_disp_base_omthds },
{}
};

2
drivers/gpu/drm/nouveau/core/engine/disp/nvf0.c
View File

@ -41,7 +41,7 @@ nvf0_disp_sclass[] = {
static struct nouveau_oclass
nvf0_disp_base_oclass[] = {
{ NVF0_DISP_CLASS, &nvd0_disp_base_ofuncs, nva3_disp_base_omthds },
{ NVF0_DISP_CLASS, &nvd0_disp_base_ofuncs, nvd0_disp_base_omthds },
{}
};

22
drivers/gpu/drm/nouveau/core/include/core/class.h
View File

@ -230,9 +230,26 @@ struct nve0_channel_ind_class {
#define NV04_DISP_CLASS 0x00000046
#define NV04_DISP_MTHD 0x00000000
#define NV04_DISP_MTHD_HEAD 0x00000001
#define NV04_DISP_SCANOUTPOS 0x00000000
struct nv04_display_class {
};
struct nv04_display_scanoutpos {
s64 time[2];
u32 vblanks;
u32 vblanke;
u32 vtotal;
u32 vline;
u32 hblanks;
u32 hblanke;
u32 htotal;
u32 hline;
};
/* 5070: NV50_DISP
* 8270: NV84_DISP
* 8370: NVA0_DISP
@ -252,6 +269,11 @@ struct nv04_display_class {
#define NVE0_DISP_CLASS 0x00009170
#define NVF0_DISP_CLASS 0x00009270
#define NV50_DISP_MTHD 0x00000000
#define NV50_DISP_MTHD_HEAD 0x00000003
#define NV50_DISP_SCANOUTPOS 0x00000000
#define NV50_DISP_SOR_MTHD 0x00010000
#define NV50_DISP_SOR_MTHD_TYPE 0x0000f000
#define NV50_DISP_SOR_MTHD_HEAD 0x00000018