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[v4,80/80] drm/omap: dsi: fix DCS_CMD_ENABLE

Message ID 20201124124538.660710-81-tomi.valkeinen@ti.com
State Superseded
Headers show
Series Convert DSI code to use drm_mipi_dsi and drm_panel | expand

Commit Message

Tomi Valkeinen Nov. 24, 2020, 12:45 p.m. UTC 
We only need to set VC_CTRL:DCS_CMD_ENABLE for command mode panels when
the HW has DSI_QUIRK_DCS_CMD_CONFIG_VC quirk. The old code did this
right by accident, but now we set DCS_CMD_ENABLE for video mode panels
too.

Fix this by skipping the set for video mode.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 drivers/gpu/drm/omapdrm/dss/dsi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index ffecacd7350a..d52bef0c7aa2 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -3401,7 +3401,8 @@  static void dsi_setup_dsi_vcs(struct dsi_data *dsi)
 	REG_FLD_MOD(dsi, DSI_VC_CTRL(VC_VIDEO), 1, 1, 1); /* SOURCE_VP */
 	dsi->vc[VC_VIDEO].source = DSI_VC_SOURCE_VP;
 
-	if (dsi->data->quirks & DSI_QUIRK_DCS_CMD_CONFIG_VC)
+	if ((dsi->data->quirks & DSI_QUIRK_DCS_CMD_CONFIG_VC) &&
+	    !(dsi->dsidev->mode_flags & MIPI_DSI_MODE_VIDEO))
 		REG_FLD_MOD(dsi, DSI_VC_CTRL(VC_VIDEO), 1, 30, 30); /* DCS_CMD_ENABLE */
 
 	dsi_vc_enable(dsi, VC_CMD, 1);