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path: root/drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c171
1 files changed, 107 insertions, 64 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c
index 298035070b3a..6a0a4d3b8902 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c
@@ -282,7 +282,7 @@ r535_sor_bl_get(struct nvkm_ior *sor)
{
struct nvkm_disp *disp = sor->disp;
NV0073_CTRL_SPECIFIC_BACKLIGHT_BRIGHTNESS_PARAMS *ctrl;
- int lvl;
+ int ret, lvl;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom,
NV0073_CTRL_CMD_SPECIFIC_GET_BACKLIGHT_BRIGHTNESS,
@@ -292,9 +292,11 @@ r535_sor_bl_get(struct nvkm_ior *sor)
ctrl->displayId = BIT(sor->asy.outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
lvl = ctrl->brightness;
nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
@@ -649,9 +651,11 @@ r535_conn_new(struct nvkm_disp *disp, u32 id)
ctrl->subDeviceInstance = 0;
ctrl->displayId = BIT(id);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return (void *)ctrl;
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ERR_PTR(ret);
+ }
list_for_each_entry(conn, &disp->conns, head) {
if (conn->index == ctrl->data[0].index) {
@@ -686,7 +690,7 @@ r535_outp_acquire(struct nvkm_outp *outp, bool hda)
struct nvkm_disp *disp = outp->disp;
struct nvkm_ior *ior;
NV0073_CTRL_DFP_ASSIGN_SOR_PARAMS *ctrl;
- int or;
+ int ret, or;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom,
NV0073_CTRL_CMD_DFP_ASSIGN_SOR, sizeof(*ctrl));
@@ -699,9 +703,11 @@ r535_outp_acquire(struct nvkm_outp *outp, bool hda)
if (hda)
ctrl->flags |= NVDEF(NV0073_CTRL, DFP_ASSIGN_SOR_FLAGS, AUDIO, OPTIMAL);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
for (or = 0; or < ARRAY_SIZE(ctrl->sorAssignListWithTag); or++) {
if (ctrl->sorAssignListWithTag[or].displayMask & BIT(outp->index)) {
@@ -727,6 +733,7 @@ static int
r535_disp_head_displayid(struct nvkm_disp *disp, int head, u32 *displayid)
{
NV0073_CTRL_SYSTEM_GET_ACTIVE_PARAMS *ctrl;
+ int ret;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom,
NV0073_CTRL_CMD_SYSTEM_GET_ACTIVE, sizeof(*ctrl));
@@ -736,9 +743,11 @@ r535_disp_head_displayid(struct nvkm_disp *disp, int head, u32 *displayid)
ctrl->subDeviceInstance = 0;
ctrl->head = head;
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
*displayid = ctrl->displayId;
nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
@@ -772,9 +781,11 @@ r535_outp_inherit(struct nvkm_outp *outp)
ctrl->subDeviceInstance = 0;
ctrl->displayId = displayid;
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
return NULL;
+ }
id = ctrl->index;
proto = ctrl->protocol;
@@ -825,6 +836,7 @@ r535_outp_dfp_get_info(struct nvkm_outp *outp)
{
NV0073_CTRL_DFP_GET_INFO_PARAMS *ctrl;
struct nvkm_disp *disp = outp->disp;
+ int ret;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom, NV0073_CTRL_CMD_DFP_GET_INFO, sizeof(*ctrl));
if (IS_ERR(ctrl))
@@ -832,9 +844,11 @@ r535_outp_dfp_get_info(struct nvkm_outp *outp)
ctrl->displayId = BIT(outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
nvkm_debug(&disp->engine.subdev, "DFP %08x: flags:%08x flags2:%08x\n",
ctrl->displayId, ctrl->flags, ctrl->flags2);
@@ -858,9 +872,11 @@ r535_outp_detect(struct nvkm_outp *outp)
ctrl->subDeviceInstance = 0;
ctrl->displayMask = BIT(outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
if (ctrl->displayMask & BIT(outp->index)) {
ret = r535_outp_dfp_get_info(outp);
@@ -895,6 +911,7 @@ r535_dp_mst_id_get(struct nvkm_outp *outp, u32 *pid)
{
NV0073_CTRL_CMD_DP_TOPOLOGY_ALLOCATE_DISPLAYID_PARAMS *ctrl;
struct nvkm_disp *disp = outp->disp;
+ int ret;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom,
NV0073_CTRL_CMD_DP_TOPOLOGY_ALLOCATE_DISPLAYID,
@@ -904,9 +921,11 @@ r535_dp_mst_id_get(struct nvkm_outp *outp, u32 *pid)
ctrl->subDeviceInstance = 0;
ctrl->displayId = BIT(outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
*pid = ctrl->displayIdAssigned;
nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
@@ -938,38 +957,60 @@ r535_dp_train_target(struct nvkm_outp *outp, u8 target, bool mst, u8 link_nr, u8
{
struct nvkm_disp *disp = outp->disp;
NV0073_CTRL_DP_CTRL_PARAMS *ctrl;
- int ret;
-
- ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom, NV0073_CTRL_CMD_DP_CTRL, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ int ret, retries;
+ u32 cmd, data;
- ctrl->subDeviceInstance = 0;
- ctrl->displayId = BIT(outp->index);
- ctrl->cmd = NVDEF(NV0073_CTRL, DP_CMD, SET_LANE_COUNT, TRUE) |
- NVDEF(NV0073_CTRL, DP_CMD, SET_LINK_BW, TRUE) |
- NVDEF(NV0073_CTRL, DP_CMD, TRAIN_PHY_REPEATER, YES);
- ctrl->data = NVVAL(NV0073_CTRL, DP_DATA, SET_LANE_COUNT, link_nr) |
- NVVAL(NV0073_CTRL, DP_DATA, SET_LINK_BW, link_bw) |
- NVVAL(NV0073_CTRL, DP_DATA, TARGET, target);
+ cmd = NVDEF(NV0073_CTRL, DP_CMD, SET_LANE_COUNT, TRUE) |
+ NVDEF(NV0073_CTRL, DP_CMD, SET_LINK_BW, TRUE) |
+ NVDEF(NV0073_CTRL, DP_CMD, TRAIN_PHY_REPEATER, YES);
+ data = NVVAL(NV0073_CTRL, DP_DATA, SET_LANE_COUNT, link_nr) |
+ NVVAL(NV0073_CTRL, DP_DATA, SET_LINK_BW, link_bw) |
+ NVVAL(NV0073_CTRL, DP_DATA, TARGET, target);
if (mst)
- ctrl->cmd |= NVDEF(NV0073_CTRL, DP_CMD, SET_FORMAT_MODE, MULTI_STREAM);
+ cmd |= NVDEF(NV0073_CTRL, DP_CMD, SET_FORMAT_MODE, MULTI_STREAM);
if (outp->dp.dpcd[DPCD_RC02] & DPCD_RC02_ENHANCED_FRAME_CAP)
- ctrl->cmd |= NVDEF(NV0073_CTRL, DP_CMD, SET_ENHANCED_FRAMING, TRUE);
+ cmd |= NVDEF(NV0073_CTRL, DP_CMD, SET_ENHANCED_FRAMING, TRUE);
if (target == 0 &&
(outp->dp.dpcd[DPCD_RC02] & 0x20) &&
!(outp->dp.dpcd[DPCD_RC03] & DPCD_RC03_TPS4_SUPPORTED))
- ctrl->cmd |= NVDEF(NV0073_CTRL, DP_CMD, POST_LT_ADJ_REQ_GRANTED, YES);
+ cmd |= NVDEF(NV0073_CTRL, DP_CMD, POST_LT_ADJ_REQ_GRANTED, YES);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ /* We should retry up to 3 times, but only if GSP asks politely */
+ for (retries = 0; retries < 3; ++retries) {
+ ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom, NV0073_CTRL_CMD_DP_CTRL,
+ sizeof(*ctrl));
+ if (IS_ERR(ctrl))
+ return PTR_ERR(ctrl);
+
+ ctrl->subDeviceInstance = 0;
+ ctrl->displayId = BIT(outp->index);
+ ctrl->retryTimeMs = 0;
+ ctrl->cmd = cmd;
+ ctrl->data = data;
+
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret == -EAGAIN && ctrl->retryTimeMs) {
+ /*
+ * Device (likely an eDP panel) isn't ready yet, wait for the time specified
+ * by GSP before retrying again
+ */
+ nvkm_debug(&disp->engine.subdev,
+ "Waiting %dms for GSP LT panel delay before retrying\n",
+ ctrl->retryTimeMs);
+ msleep(ctrl->retryTimeMs);
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ } else {
+ /* GSP didn't say to retry, or we were successful */
+ if (ctrl->err)
+ ret = -EIO;
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ break;
+ }
+ }
- ret = ctrl->err ? -EIO : 0;
- nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
return ret;
}
@@ -1036,9 +1077,11 @@ r535_dp_aux_xfer(struct nvkm_outp *outp, u8 type, u32 addr, u8 *data, u8 *psize)
ctrl->size = !ctrl->bAddrOnly ? (size - 1) : 0;
memcpy(ctrl->data, data, size);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
return PTR_ERR(ctrl);
+ }
memcpy(data, ctrl->data, size);
*psize = ctrl->size;
@@ -1111,10 +1154,13 @@ r535_tmds_edid_get(struct nvkm_outp *outp, u8 *data, u16 *psize)
ctrl->subDeviceInstance = 0;
ctrl->displayId = BIT(outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
+ ret = -E2BIG;
if (ctrl->bufferSize <= *psize) {
memcpy(data, ctrl->edidBuffer, ctrl->bufferSize);
*psize = ctrl->bufferSize;
@@ -1153,9 +1199,11 @@ r535_outp_new(struct nvkm_disp *disp, u32 id)
ctrl->subDeviceInstance = 0;
ctrl->displayId = BIT(id);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
switch (ctrl->type) {
case NV0073_CTRL_SPECIFIC_OR_TYPE_NONE:
@@ -1229,9 +1277,11 @@ r535_outp_new(struct nvkm_disp *disp, u32 id)
ctrl->sorIndex = ~0;
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
switch (NVVAL_GET(ctrl->maxLinkRate, NV0073_CTRL_CMD, DP_GET_CAPS, MAX_LINK_RATE)) {
case NV0073_CTRL_CMD_DP_GET_CAPS_MAX_LINK_RATE_1_62:
@@ -1465,8 +1515,6 @@ r535_disp_oneinit(struct nvkm_disp *disp)
bool nvhg = acpi_check_dsm(handle, &NVHG_DSM_GUID, NVHG_DSM_REV,
1ULL << 0x00000014);
- printk(KERN_ERR "bl: nbci:%d nvhg:%d\n", nbci, nvhg);
-
if (nbci || nvhg) {
union acpi_object argv4 = {
.buffer.type = ACPI_TYPE_BUFFER,
@@ -1479,9 +1527,6 @@ r535_disp_oneinit(struct nvkm_disp *disp)
if (!obj) {
acpi_handle_info(handle, "failed to evaluate _DSM\n");
} else {
- printk(KERN_ERR "bl: obj type %d\n", obj->type);
- printk(KERN_ERR "bl: obj len %d\n", obj->package.count);
-
for (int i = 0; i < obj->package.count; i++) {
union acpi_object *elt = &obj->package.elements[i];
u32 size;
@@ -1491,12 +1536,10 @@ r535_disp_oneinit(struct nvkm_disp *disp)
else
size = 4;
- printk(KERN_ERR "elt %03d: type %d size %d\n", i, elt->type, size);
memcpy(&ctrl->backLightData[ctrl->backLightDataSize], &elt->integer.value, size);
ctrl->backLightDataSize += size;
}
- printk(KERN_ERR "bl: data size %d\n", ctrl->backLightDataSize);
ctrl->status = 0;
ACPI_FREE(obj);
}
generated by cgit (git 2.34.1) at 2024-05-09 23:00:11 +0000