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disp: msm: add check for panel ROI alignment and DSC slice settings

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The height and width of ROI alignment must be integral multiple of
DSC slice height and width.
Add a check in partial update DT parsing function and disable
patrial update when panel ROI alignment can't match DSC slice
settings.

Change-Id: Ib80ca1cde5041936f9525e19757e95ff5898137f
Signed-off-by: Lei Chen <quic_chenlei@quicinc.com>
This commit is contained in:
Lei Chen
2023-04-04 13:54:20 +08:00
parent 36ba8cc716
commit a5949c654b
1 changed files with 9 additions and 3 deletions
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12
msm/dsi/dsi_panel.c
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@@ -3255,15 +3255,21 @@ static int dsi_panel_parse_partial_update_caps(struct dsi_display_mode *mode,
roi_caps->enabled = roi_caps->num_roi > 0; roi_caps->enabled = roi_caps->num_roi > 0;
DSI_DEBUG("partial update num_rois=%d enabled=%d\n", roi_caps->num_roi,
roi_caps->enabled);
if (roi_caps->enabled) if (roi_caps->enabled)
rc = dsi_panel_parse_roi_alignment(utils, rc = dsi_panel_parse_roi_alignment(utils,
&roi_caps->align); &roi_caps->align);
if (rc) if (rc)
memset(roi_caps, 0, sizeof(*roi_caps)); memset(roi_caps, 0, sizeof(*roi_caps));
else if (mode->priv_info->dsc_enabled &&
((roi_caps->align.min_width % mode->priv_info->dsc.config.slice_width) ||
(roi_caps->align.min_height % mode->priv_info->dsc.config.slice_height))) {
memset(roi_caps, 0, sizeof(*roi_caps));
DSI_ERR("panel roi can't match DSC slice settings,disable partial update\n");
}
DSI_DEBUG("partial update num_rois=%d enabled=%d\n", roi_caps->num_roi,
roi_caps->enabled);
return rc; return rc;
} }