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disp: msm: add qsync refresh rate support per mode

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This change adds support for qsync min refresh rate per
timing mode and populates qsync min refresh rate based
on the current fps when qsync is enabled.

Change-Id: I191d1d72e95dd065c8c0b56a6100104c00c6d8f6
Signed-off-by: Yashwanth <yvulapu@codeaurora.org>
This commit is contained in:
Yashwanth
2021-05-07 13:31:52 +05:30
parent 8a2ddb713f
commit 64b732f335
15 changed files with 89 additions and 61 deletions
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19
msm/dsi/dsi_panel.c
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@@ -904,6 +904,13 @@ static int dsi_panel_parse_timing(struct dsi_mode_info *mode,
rc);
goto error;
}
rc = utils->read_u32(utils->data, "qcom,qsync-mode-min-refresh-rate", &mode->qsync_min_fps);
if (rc) {
DSI_DEBUG("qsync min fps not defined in timing node\n");
rc = 0;
}
DSI_DEBUG("panel vert active:%d front_portch:%d back_porch:%d pulse_width:%d\n",
mode->v_active, mode->v_front_porch, mode->v_back_porch,
mode->v_sync_width);
@@ -1301,6 +1308,12 @@ static int dsi_panel_parse_qsync_caps(struct dsi_panel *panel,
struct dsi_parser_utils *utils = &panel->utils;
const char *name = panel->name;
qsync_caps->qsync_support = utils->read_bool(utils->data, "qcom,qsync-enable");
if (!qsync_caps->qsync_support) {
DSI_DEBUG("qsync feature not enabled\n");
goto error;
}
/**
* "mdss-dsi-qsync-min-refresh-rate" is defined in cmd mode and
* video mode when there is only one qsync min fps present.
@@ -1373,8 +1386,10 @@ static int dsi_panel_parse_qsync_caps(struct dsi_panel *panel,
qsync_support:
/* allow qsync support only if DFPS is with VFP approach */
if ((panel->dfps_caps.dfps_support) &&
!(panel->dfps_caps.type == DSI_DFPS_IMMEDIATE_VFP))
panel->qsync_caps.qsync_min_fps = 0;
!(panel->dfps_caps.type == DSI_DFPS_IMMEDIATE_VFP)) {
qsync_caps->qsync_support = false;
qsync_caps->qsync_min_fps = 0;
}
error:
if (rc < 0) {