samsung-sm8650/android_kernel_samsung_sm8650-modules
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Merge "disp: msm: dsi: optimize wait time in DSI timing DB update"

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This commit is contained in:
qctecmdr
2023-01-29 22:32:25 -08:00
committed by Gerrit - the friendly Code Review server
parent 76f59dbdd1 495a6a8731
commit 76cbb717c4
7 changed files with 49 additions and 6 deletions
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11
msm/dsi/dsi_ctrl.c
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@@ -2516,13 +2516,14 @@ exit:
* dsi_ctrl_timing_db_update() - update only controller Timing DB
* @dsi_ctrl: DSI controller handle.
* @enable: Enable/disable Timing DB register
* @pf_time_in_us: Programmable fetch time in micro-seconds
*
* Update timing db register value during dfps usecases
*
* Return: error code.
*/
int dsi_ctrl_timing_db_update(struct dsi_ctrl *dsi_ctrl,
bool enable)
bool enable, u32 pf_time_in_us)
{
int rc = 0;
@@ -2550,7 +2551,13 @@ int dsi_ctrl_timing_db_update(struct dsi_ctrl *dsi_ctrl,
* flush is after panel_vsync. So, added the recommended
* delays after dfps update.
*/
usleep_range(2000, 2010);
if (pf_time_in_us > 2000) {
DSI_CTRL_ERR(dsi_ctrl, "Programmable fetch time check failed, pf_time_in_us=%u\n",
pf_time_in_us);
pf_time_in_us = 2000;
}
usleep_range(pf_time_in_us, pf_time_in_us + 10);
dsi_ctrl->hw.ops.set_timing_db(&dsi_ctrl->hw, enable);