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disp: msm: sde: set connector lm_mask for dp display

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This change sets lm_mask for dp connector based on
number of LMs allocated by RM. This mask will be
used during rm allocation and validation of dcwb
mixers for dp display.

Change-Id: I271af03da560587faf17446471bd6b81bb9e809b
Signed-off-by: Mahadevan <quic_mahap@quicinc.com>
This commit is contained in:
Mahadevan
2022-03-29 15:11:39 +05:30
parent a1f4bdb7d9
commit 62cab75164
2 changed files with 37 additions and 1 deletions
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6
msm/dp/dp_drm.c
View File

@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only // SPDX-License-Identifier: GPL-2.0-only
/* /*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved. * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
*/ */
@@ -419,6 +420,11 @@ int dp_connector_get_mode_info(struct drm_connector *connector,
DP_ERR("error getting mixer count. rc:%d\n", rc); DP_ERR("error getting mixer count. rc:%d\n", rc);
return rc; return rc;
} }
/* reset dp connector lm_mask for every connection event and
* this will get re-populated in resource manager based on
* resolution and topology of dp display.
*/
sde_conn->lm_mask = 0;
topology->num_enc = no_enc; topology->num_enc = no_enc;
topology->num_intf = single_intf; topology->num_intf = single_intf;

32
msm/sde/sde_rm.c
View File

@@ -1215,7 +1215,7 @@ static bool _sde_rm_check_lm_and_get_connected_blks(
} else if (!RM_RQ_DCWB(reqs) && dcwb_pref) { } else if (!RM_RQ_DCWB(reqs) && dcwb_pref) {
SDE_DEBUG("fail: dcwb supported dummy lm incorrectly allocated\n"); SDE_DEBUG("fail: dcwb supported dummy lm incorrectly allocated\n");
return false; return false;
} else if (RM_RQ_DCWB(reqs) && dcwb_pref && } else if (RM_RQ_DCWB(reqs) && dcwb_pref && conn_lm_mask &&
((ffs(conn_lm_mask) % 2) == ((lm_cfg->id + 1) % 2))) { ((ffs(conn_lm_mask) % 2) == ((lm_cfg->id + 1) % 2))) {
SDE_DEBUG("fail: dcwb:%d trying to match lm:%d\n", SDE_DEBUG("fail: dcwb:%d trying to match lm:%d\n",
lm_cfg->id, ffs(conn_lm_mask)); lm_cfg->id, ffs(conn_lm_mask));
@@ -2685,6 +2685,35 @@ static void _sde_rm_commit_rsvp(struct sde_rm *rm, struct sde_rm_rsvp *rsvp,
SDE_EVT32(rsvp->enc_id, rsvp->topology); SDE_EVT32(rsvp->enc_id, rsvp->topology);
} }
static void _sde_rm_populate_dp_lm_mask(struct sde_rm *rm,
struct drm_connector *conn)
{
struct sde_connector *c_conn = NULL;
struct sde_rm_hw_blk *blk;
if (!rm || !conn) {
SDE_ERROR("invalid arguments\n");
return;
}
if (conn->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
return;
c_conn = to_sde_connector(conn);
if (!c_conn || !c_conn->encoder)
return;
list_for_each_entry(blk, &rm->hw_blks[SDE_HW_BLK_LM], list) {
if (!blk->rsvp)
continue;
if (blk->rsvp->enc_id == c_conn->encoder->base.id)
c_conn->lm_mask |= BIT(blk->id - 1);
}
SDE_DEBUG("conn lm_mask %d for conn %d enc %d\n", c_conn->lm_mask,
conn->base.id, c_conn->encoder->base.id);
SDE_EVT32(c_conn->encoder->base.id, conn->base.id, c_conn->lm_mask);
}
/* call this only after rm_mutex held */ /* call this only after rm_mutex held */
struct sde_rm_rsvp *_sde_rm_poll_get_rsvp_nxt_locked(struct sde_rm *rm, struct sde_rm_rsvp *_sde_rm_poll_get_rsvp_nxt_locked(struct sde_rm *rm,
struct drm_encoder *enc) struct drm_encoder *enc)
@@ -2851,6 +2880,7 @@ int sde_rm_reserve(
commit_rsvp: commit_rsvp:
_sde_rm_release_rsvp(rm, rsvp_cur, conn_state->connector); _sde_rm_release_rsvp(rm, rsvp_cur, conn_state->connector);
_sde_rm_commit_rsvp(rm, rsvp_nxt, conn_state); _sde_rm_commit_rsvp(rm, rsvp_nxt, conn_state);
_sde_rm_populate_dp_lm_mask(rm, conn_state->connector);
end: end:
kfree(comp_info); kfree(comp_info);