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msm: camera: isp: Reset SFE HW clock rate at stream off

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Reset core clock rate when all SFE resources are streamed off.
This will ensure that the new clock rate on the next session
will take affect.

CRs-Fixed: 2841729
Change-Id: I12f039a2abe42c7a6a1bfd6ce9d8d54b23c177dc
Signed-off-by: Karthik Anantha Ram <kartanan@codeaurora.org>
This commit is contained in:
Karthik Anantha Ram
2021-06-21 18:30:01 -07:00
parent af4bcd716a
commit 9e6ecad633
1 changed files with 9 additions and 1 deletions
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10
drivers/cam_isp/isp_hw_mgr/isp_hw/sfe_hw/sfe_top/cam_sfe_top.c
View File

@@ -765,8 +765,12 @@ static int cam_sfe_top_set_hw_clk_rate(
max_clk_rate = top_priv->req_clk_rate[i];
}
if (max_clk_rate == top_priv->hw_clk_rate)
if (max_clk_rate == top_priv->hw_clk_rate) {
CAM_DBG(CAM_SFE,
"Requested rate: %u same as current rate: %u",
max_clk_rate, top_priv->hw_clk_rate);
return 0;
}
soc_private = (struct cam_sfe_soc_private *)
soc_info->soc_private;
@@ -1604,6 +1608,10 @@ int cam_sfe_top_stop(
path_data->common_reg->diag_config);
}
/* Reset clk rate when all resources are streamed off */
if (!start_stop_cnt)
top_priv->hw_clk_rate = 0;
return 0;
}