From: Biju Das <[email protected]> The RZ/G2L hardware manual (Rev. 1.50, May 2025), Section 34.4.2.1, requires waiting more than 1 msec after deasserting the CMN_RSTB signal before the DSI-Tx module is ready. Increase the delay from 1 usec to 1 msec by replacing udelay(1) with fsleep(1000).
Signed-off-by: Biju Das <[email protected]> --- v1->v2: * Updated commit header and description. --- drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c b/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c index 5020be0f72ac..715872130780 100644 --- a/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c +++ b/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c @@ -807,7 +807,7 @@ static int rzg2l_mipi_dsi_startup(struct rzg2l_mipi_dsi *dsi, if (ret < 0) goto err_phy; - udelay(1); + fsleep(1000); } return 0; -- 2.43.0
