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path: root/drivers/gpu/drm/nouveau/nv50_display.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_display.c307
1 files changed, 257 insertions, 50 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 35874085a61e..a6237c9cbbc3 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -43,6 +43,7 @@
#include <subdev/timer.h>
#include <subdev/bar.h>
#include <subdev/fb.h>
+#include <subdev/i2c.h>
#define EVO_DMA_NR 9
@@ -128,6 +129,11 @@ struct nv50_dmac {
struct nv50_chan base;
dma_addr_t handle;
u32 *ptr;
+
+ /* Protects against concurrent pushbuf access to this channel, lock is
+ * grabbed by evo_wait (if the pushbuf reservation is successful) and
+ * dropped again by evo_kick. */
+ struct mutex lock;
};
static void
@@ -271,6 +277,8 @@ nv50_dmac_create(struct nouveau_object *core, u32 bclass, u8 head,
u32 pushbuf = *(u32 *)data;
int ret;
+ mutex_init(&dmac->lock);
+
dmac->ptr = pci_alloc_consistent(nv_device(core)->pdev, PAGE_SIZE,
&dmac->handle);
if (!dmac->ptr)
@@ -395,11 +403,13 @@ evo_wait(void *evoc, int nr)
struct nv50_dmac *dmac = evoc;
u32 put = nv_ro32(dmac->base.user, 0x0000) / 4;
+ mutex_lock(&dmac->lock);
if (put + nr >= (PAGE_SIZE / 4) - 8) {
dmac->ptr[put] = 0x20000000;
nv_wo32(dmac->base.user, 0x0000, 0x00000000);
if (!nv_wait(dmac->base.user, 0x0004, ~0, 0x00000000)) {
+ mutex_unlock(&dmac->lock);
NV_ERROR(dmac->base.user, "channel stalled\n");
return NULL;
}
@@ -415,6 +425,7 @@ evo_kick(u32 *push, void *evoc)
{
struct nv50_dmac *dmac = evoc;
nv_wo32(dmac->base.user, 0x0000, (push - dmac->ptr) << 2);
+ mutex_unlock(&dmac->lock);
}
#define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
@@ -423,7 +434,10 @@ evo_kick(u32 *push, void *evoc)
static bool
evo_sync_wait(void *data)
{
- return nouveau_bo_rd32(data, EVO_MAST_NTFY) != 0x00000000;
+ if (nouveau_bo_rd32(data, EVO_MAST_NTFY) != 0x00000000)
+ return true;
+ usleep_range(1, 2);
+ return false;
}
static int
@@ -502,7 +516,7 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
if (ret)
return ret;
- if (nv_mclass(chan->object) < NVC0_CHANNEL_IND_CLASS) {
+ if (nv_mclass(chan->object) < NV84_CHANNEL_IND_CLASS) {
BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 2);
OUT_RING (chan, NvEvoSema0 + nv_crtc->index);
OUT_RING (chan, sync->sem.offset);
@@ -512,24 +526,36 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
OUT_RING (chan, sync->sem.offset ^ 0x10);
OUT_RING (chan, 0x74b1e000);
BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1);
- if (nv_mclass(chan->object) < NV84_CHANNEL_DMA_CLASS)
- OUT_RING (chan, NvSema);
- else
- OUT_RING (chan, chan->vram);
+ OUT_RING (chan, NvSema);
+ } else
+ if (nv_mclass(chan->object) < NVC0_CHANNEL_IND_CLASS) {
+ u64 offset = nv84_fence_crtc(chan, nv_crtc->index);
+ offset += sync->sem.offset;
+
+ BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
+ OUT_RING (chan, upper_32_bits(offset));
+ OUT_RING (chan, lower_32_bits(offset));
+ OUT_RING (chan, 0xf00d0000 | sync->sem.value);
+ OUT_RING (chan, 0x00000002);
+ BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
+ OUT_RING (chan, upper_32_bits(offset));
+ OUT_RING (chan, lower_32_bits(offset ^ 0x10));
+ OUT_RING (chan, 0x74b1e000);
+ OUT_RING (chan, 0x00000001);
} else {
- u64 offset = nvc0_fence_crtc(chan, nv_crtc->index);
+ u64 offset = nv84_fence_crtc(chan, nv_crtc->index);
offset += sync->sem.offset;
BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
OUT_RING (chan, upper_32_bits(offset));
OUT_RING (chan, lower_32_bits(offset));
OUT_RING (chan, 0xf00d0000 | sync->sem.value);
- OUT_RING (chan, 0x1002);
+ OUT_RING (chan, 0x00001002);
BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
OUT_RING (chan, upper_32_bits(offset));
OUT_RING (chan, lower_32_bits(offset ^ 0x10));
OUT_RING (chan, 0x74b1e000);
- OUT_RING (chan, 0x1001);
+ OUT_RING (chan, 0x00001001);
}
FIRE_RING (chan);
@@ -1493,9 +1519,6 @@ nv50_dac_disconnect(struct drm_encoder *encoder)
evo_mthd(push, 0x0180 + (or * 0x020), 1);
evo_data(push, 0x00000000);
}
-
- evo_mthd(push, 0x0080, 1);
- evo_data(push, 0x00000000);
evo_kick(push, mast);
}
}
@@ -1542,20 +1565,23 @@ static const struct drm_encoder_funcs nv50_dac_func = {
static int
nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe)
{
- struct drm_device *dev = connector->dev;
+ struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
struct nouveau_encoder *nv_encoder;
struct drm_encoder *encoder;
+ int type = DRM_MODE_ENCODER_DAC;
nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
if (!nv_encoder)
return -ENOMEM;
nv_encoder->dcb = dcbe;
nv_encoder->or = ffs(dcbe->or) - 1;
+ nv_encoder->i2c = i2c->find(i2c, dcbe->i2c_index);
encoder = to_drm_encoder(nv_encoder);
encoder->possible_crtcs = dcbe->heads;
encoder->possible_clones = 0;
- drm_encoder_init(dev, encoder, &nv50_dac_func, DRM_MODE_ENCODER_DAC);
+ drm_encoder_init(connector->dev, encoder, &nv50_dac_func, type);
drm_encoder_helper_add(encoder, &nv50_dac_hfunc);
drm_mode_connector_attach_encoder(connector, encoder);
@@ -1664,9 +1690,6 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode)
}
nv_call(disp->core, NV50_DISP_SOR_PWR + or, (mode == DRM_MODE_DPMS_ON));
-
- if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
- nouveau_dp_dpms(encoder, mode, nv_encoder->dp.datarate, disp->core);
}
static bool
@@ -1709,9 +1732,6 @@ nv50_sor_disconnect(struct drm_encoder *encoder)
evo_mthd(push, 0x0200 + (or * 0x20), 1);
evo_data(push, 0x00000000);
}
-
- evo_mthd(push, 0x0080, 1);
- evo_data(push, 0x00000000);
evo_kick(push, mast);
}
@@ -1723,14 +1743,6 @@ nv50_sor_disconnect(struct drm_encoder *encoder)
}
static void
-nv50_sor_prepare(struct drm_encoder *encoder)
-{
- nv50_sor_disconnect(encoder);
- if (nouveau_encoder(encoder)->dcb->type == DCB_OUTPUT_DP)
- evo_sync(encoder->dev);
-}
-
-static void
nv50_sor_commit(struct drm_encoder *encoder)
{
}
@@ -1825,8 +1837,13 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
push = evo_wait(nv50_mast(dev), 8);
if (push) {
if (nv50_vers(mast) < NVD0_DISP_CLASS) {
+ u32 ctrl = (depth << 16) | (proto << 8) | owner;
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ ctrl |= 0x00001000;
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ ctrl |= 0x00002000;
evo_mthd(push, 0x0600 + (nv_encoder->or * 0x040), 1);
- evo_data(push, (depth << 16) | (proto << 8) | owner);
+ evo_data(push, ctrl);
} else {
u32 magic = 0x31ec6000 | (nv_crtc->index << 25);
u32 syncs = 0x00000001;
@@ -1862,7 +1879,7 @@ nv50_sor_destroy(struct drm_encoder *encoder)
static const struct drm_encoder_helper_funcs nv50_sor_hfunc = {
.dpms = nv50_sor_dpms,
.mode_fixup = nv50_sor_mode_fixup,
- .prepare = nv50_sor_prepare,
+ .prepare = nv50_sor_disconnect,
.commit = nv50_sor_commit,
.mode_set = nv50_sor_mode_set,
.disable = nv50_sor_disconnect,
@@ -1876,21 +1893,33 @@ static const struct drm_encoder_funcs nv50_sor_func = {
static int
nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
{
- struct drm_device *dev = connector->dev;
+ struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
struct nouveau_encoder *nv_encoder;
struct drm_encoder *encoder;
+ int type;
+
+ switch (dcbe->type) {
+ case DCB_OUTPUT_LVDS: type = DRM_MODE_ENCODER_LVDS; break;
+ case DCB_OUTPUT_TMDS:
+ case DCB_OUTPUT_DP:
+ default:
+ type = DRM_MODE_ENCODER_TMDS;
+ break;
+ }
nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
if (!nv_encoder)
return -ENOMEM;
nv_encoder->dcb = dcbe;
nv_encoder->or = ffs(dcbe->or) - 1;
+ nv_encoder->i2c = i2c->find(i2c, dcbe->i2c_index);
nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
encoder = to_drm_encoder(nv_encoder);
encoder->possible_crtcs = dcbe->heads;
encoder->possible_clones = 0;
- drm_encoder_init(dev, encoder, &nv50_sor_func, DRM_MODE_ENCODER_TMDS);
+ drm_encoder_init(connector->dev, encoder, &nv50_sor_func, type);
drm_encoder_helper_add(encoder, &nv50_sor_hfunc);
drm_mode_connector_attach_encoder(connector, encoder);
@@ -1898,6 +1927,181 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
}
/******************************************************************************
+ * PIOR
+ *****************************************************************************/
+
+static void
+nv50_pior_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct nv50_disp *disp = nv50_disp(encoder->dev);
+ u32 mthd = (nv_encoder->dcb->type << 12) | nv_encoder->or;
+ u32 ctrl = (mode == DRM_MODE_DPMS_ON);
+ nv_call(disp->core, NV50_DISP_PIOR_PWR + mthd, ctrl);
+}
+
+static bool
+nv50_pior_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct nouveau_connector *nv_connector;
+
+ nv_connector = nouveau_encoder_connector_get(nv_encoder);
+ if (nv_connector && nv_connector->native_mode) {
+ if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
+ int id = adjusted_mode->base.id;
+ *adjusted_mode = *nv_connector->native_mode;
+ adjusted_mode->base.id = id;
+ }
+ }
+
+ adjusted_mode->clock *= 2;
+ return true;
+}
+
+static void
+nv50_pior_commit(struct drm_encoder *encoder)
+{
+}
+
+static void
+nv50_pior_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct nv50_mast *mast = nv50_mast(encoder->dev);
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
+ struct nouveau_connector *nv_connector;
+ u8 owner = 1 << nv_crtc->index;
+ u8 proto, depth;
+ u32 *push;
+
+ nv_connector = nouveau_encoder_connector_get(nv_encoder);
+ switch (nv_connector->base.display_info.bpc) {
+ case 10: depth = 0x6; break;
+ case 8: depth = 0x5; break;
+ case 6: depth = 0x2; break;
+ default: depth = 0x0; break;
+ }
+
+ switch (nv_encoder->dcb->type) {
+ case DCB_OUTPUT_TMDS:
+ case DCB_OUTPUT_DP:
+ proto = 0x0;
+ break;
+ default:
+ BUG_ON(1);
+ break;
+ }
+
+ nv50_pior_dpms(encoder, DRM_MODE_DPMS_ON);
+
+ push = evo_wait(mast, 8);
+ if (push) {
+ if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
+ u32 ctrl = (depth << 16) | (proto << 8) | owner;
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ ctrl |= 0x00001000;
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ ctrl |= 0x00002000;
+ evo_mthd(push, 0x0700 + (nv_encoder->or * 0x040), 1);
+ evo_data(push, ctrl);
+ }
+
+ evo_kick(push, mast);
+ }
+
+ nv_encoder->crtc = encoder->crtc;
+}
+
+static void
+nv50_pior_disconnect(struct drm_encoder *encoder)
+{
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct nv50_mast *mast = nv50_mast(encoder->dev);
+ const int or = nv_encoder->or;
+ u32 *push;
+
+ if (nv_encoder->crtc) {
+ nv50_crtc_prepare(nv_encoder->crtc);
+
+ push = evo_wait(mast, 4);
+ if (push) {
+ if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
+ evo_mthd(push, 0x0700 + (or * 0x040), 1);
+ evo_data(push, 0x00000000);
+ }
+ evo_kick(push, mast);
+ }
+ }
+
+ nv_encoder->crtc = NULL;
+}
+
+static void
+nv50_pior_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+ kfree(encoder);
+}
+
+static const struct drm_encoder_helper_funcs nv50_pior_hfunc = {
+ .dpms = nv50_pior_dpms,
+ .mode_fixup = nv50_pior_mode_fixup,
+ .prepare = nv50_pior_disconnect,
+ .commit = nv50_pior_commit,
+ .mode_set = nv50_pior_mode_set,
+ .disable = nv50_pior_disconnect,
+ .get_crtc = nv50_display_crtc_get,
+};
+
+static const struct drm_encoder_funcs nv50_pior_func = {
+ .destroy = nv50_pior_destroy,
+};
+
+static int
+nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
+{
+ struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
+ struct nouveau_i2c_port *ddc = NULL;
+ struct nouveau_encoder *nv_encoder;
+ struct drm_encoder *encoder;
+ int type;
+
+ switch (dcbe->type) {
+ case DCB_OUTPUT_TMDS:
+ ddc = i2c->find_type(i2c, NV_I2C_TYPE_EXTDDC(dcbe->extdev));
+ type = DRM_MODE_ENCODER_TMDS;
+ break;
+ case DCB_OUTPUT_DP:
+ ddc = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(dcbe->extdev));
+ type = DRM_MODE_ENCODER_TMDS;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
+ if (!nv_encoder)
+ return -ENOMEM;
+ nv_encoder->dcb = dcbe;
+ nv_encoder->or = ffs(dcbe->or) - 1;
+ nv_encoder->i2c = ddc;
+
+ encoder = to_drm_encoder(nv_encoder);
+ encoder->possible_crtcs = dcbe->heads;
+ encoder->possible_clones = 0;
+ drm_encoder_init(connector->dev, encoder, &nv50_pior_func, type);
+ drm_encoder_helper_add(encoder, &nv50_pior_hfunc);
+
+ drm_mode_connector_attach_encoder(connector, encoder);
+ return 0;
+}
+
+/******************************************************************************
* Init
*****************************************************************************/
void
@@ -1913,7 +2117,7 @@ nv50_display_init(struct drm_device *dev)
evo_mthd(push, 0x0088, 1);
evo_data(push, NvEvoSync);
evo_kick(push, nv50_mast(dev));
- return evo_sync(dev);
+ return 0;
}
return -EBUSY;
@@ -2019,25 +2223,28 @@ nv50_display_create(struct drm_device *dev)
if (IS_ERR(connector))
continue;
- if (dcbe->location != DCB_LOC_ON_CHIP) {
- NV_WARN(drm, "skipping off-chip encoder %d/%d\n",
- dcbe->type, ffs(dcbe->or) - 1);
- continue;
+ if (dcbe->location == DCB_LOC_ON_CHIP) {
+ switch (dcbe->type) {
+ case DCB_OUTPUT_TMDS:
+ case DCB_OUTPUT_LVDS:
+ case DCB_OUTPUT_DP:
+ ret = nv50_sor_create(connector, dcbe);
+ break;
+ case DCB_OUTPUT_ANALOG:
+ ret = nv50_dac_create(connector, dcbe);
+ break;
+ default:
+ ret = -ENODEV;
+ break;
+ }
+ } else {
+ ret = nv50_pior_create(connector, dcbe);
}
- switch (dcbe->type) {
- case DCB_OUTPUT_TMDS:
- case DCB_OUTPUT_LVDS:
- case DCB_OUTPUT_DP:
- nv50_sor_create(connector, dcbe);
- break;
- case DCB_OUTPUT_ANALOG:
- nv50_dac_create(connector, dcbe);
- break;
- default:
- NV_WARN(drm, "skipping unsupported encoder %d/%d\n",
- dcbe->type, ffs(dcbe->or) - 1);
- continue;
+ if (ret) {
+ NV_WARN(drm, "failed to create encoder %d/%d/%d: %d\n",
+ dcbe->location, dcbe->type,
+ ffs(dcbe->or) - 1, ret);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 02:17:44 +0000