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disp: msm: pass free dsc and lm availability info to dp

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Primary and secondary dsi displays are built-in displays
and they are supported during all concurrency usecases
without resource allocation failure. DP mode filter
logic should provide supported mode information based
on free mdp resources after dsi resource assignment.

Change-Id: I3a9637a91ea1ffcc31997e25caff7f13605283ac
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
This commit is contained in:
Dhaval Patel
2020-06-07 12:58:49 -07:00
parent fae3dc03b4
commit 83860f0642
8 changed files with 89 additions and 5 deletions
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49
msm/dsi/dsi_panel.c
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@@ -3431,6 +3431,49 @@ int dsi_panel_validate_mode(struct dsi_panel *panel,
return 0;
}
static int dsi_panel_get_max_res_count(struct dsi_parser_utils *utils,
struct device_node *node, u32 *dsc_count, u32 *lm_count)
{
const char *compression;
u32 *array = NULL, top_count, len, i;
int rc = -EINVAL;
bool dsc_enable = false;
*dsc_count = 0;
*lm_count = 0;
compression = utils->get_property(node, "qcom,compression-mode", NULL);
if (compression && !strcmp(compression, "dsc"))
dsc_enable = true;
len = utils->count_u32_elems(node, "qcom,display-topology");
if (len <= 0 || len % TOPOLOGY_SET_LEN ||
len > (TOPOLOGY_SET_LEN * MAX_TOPOLOGY))
return rc;
top_count = len / TOPOLOGY_SET_LEN;
array = kcalloc(len, sizeof(u32), GFP_KERNEL);
if (!array)
return -ENOMEM;
rc = utils->read_u32_array(node, "qcom,display-topology", array, len);
if (rc) {
DSI_ERR("unable to read the display topologies, rc = %d\n", rc);
goto read_fail;
}
for (i = 0; i < top_count; i++) {
*lm_count = max(*lm_count, array[i * TOPOLOGY_SET_LEN]);
if (dsc_enable)
*dsc_count = max(*dsc_count,
array[i * TOPOLOGY_SET_LEN + 1]);
}
read_fail:
kfree(array);
return 0;
}
int dsi_panel_get_mode_count(struct dsi_panel *panel)
{
const u32 SINGLE_MODE_SUPPORT = 1;
@@ -3439,6 +3482,7 @@ int dsi_panel_get_mode_count(struct dsi_panel *panel)
int num_dfps_rates, num_bit_clks;
int num_video_modes = 0, num_cmd_modes = 0;
int count, rc = 0;
u32 dsc_count = 0, lm_count = 0;
if (!panel) {
DSI_ERR("invalid params\n");
@@ -3484,6 +3528,11 @@ int dsi_panel_get_mode_count(struct dsi_panel *panel)
num_video_modes++;
else if (panel->panel_mode == DSI_OP_CMD_MODE)
num_cmd_modes++;
dsi_panel_get_max_res_count(utils, child_np,
&dsc_count, &lm_count);
panel->dsc_count = max(dsc_count, panel->dsc_count);
panel->lm_count = max(lm_count, panel->lm_count);
}
num_dfps_rates = !panel->dfps_caps.dfps_support ? 1 :