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disp: msm: dsi: follow the HPG guidelines for DATABUS_WIDEN

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In case of DATABUS_WIDEN, follow the HPG to calculate bitclk,
byteclk and pclk. Configure the DST_FORMAT and the clock
dividers in DSI PHY and DISP_CC w.r.t. the bpp before
compression.

Change-Id: I526eab5bc88b8d667b8b1a0d257b2f147998286a
Signed-off-by: Srihitha Tangudu <quic_tangudu@quicinc.com>
Signed-off-by: Kirill Shpin <quic_kshpin@quicinc.com>
This commit is contained in:
Kirill Shpin
2023-04-12 16:43:35 -07:00
committed by Rohith Iyer
父節點 f993f4d8e0
當前提交 7b4616f157
共有 11 個文件被更改，包括 77 次插入 和 37 次删除
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26
msm/dsi/dsi_display.c
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@@ -7083,12 +7083,23 @@ int dsi_display_get_modes_helper(struct dsi_display *display,
memset(&display_mode, 0, sizeof(display_mode));
display_mode.priv_info = kzalloc(sizeof(*display_mode.priv_info), GFP_KERNEL);
if (!display_mode.priv_info) {
rc = -ENOMEM;
return rc;
}
/* Setup widebus support */
display_mode.priv_info->widebus_support = ctrl->ctrl->hw.widebus_support;
rc = dsi_panel_get_mode(display->panel, mode_idx,
&display_mode,
topology_override);
if (rc) {
DSI_ERR("[%s] failed to get mode idx %d from panel\n",
display->name, mode_idx);
kfree(display_mode.priv_info);
display_mode.priv_info = NULL;
rc = -EINVAL;
return rc;
}
@@ -7106,9 +7117,18 @@ int dsi_display_get_modes_helper(struct dsi_display *display,
else
nondsc_modes++;
/* Setup widebus support */
display_mode.priv_info->widebus_support =
ctrl->ctrl->hw.widebus_support;
/*
* Update the host_config.dst_format for compressed RGB101010 pixel format
* when there is no widebus support.
*/
if (host->dst_format == DSI_PIXEL_FORMAT_RGB101010 &&
display_mode.timing.dsc_enabled &&
!display_mode.priv_info->widebus_support) {
host->dst_format = DSI_PIXEL_FORMAT_RGB888;
DSI_DEBUG("updated dst_format from %d to %d\n",
DSI_PIXEL_FORMAT_RGB101010, host->dst_format);
}
num_dfps_rates = ((!dfps_caps.dfps_support ||
!support_video_mode) ? 1 : dfps_caps.dfps_list_len);