From dbd1d67d9201ee1eeb770a4fa4459fa76018192f Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 9 Mar 2020 21:18:33 +0100 Subject: drm/imx: parallel-display: Adjust bus_flags handling The bus_flags handling logic does not seem to cover all potential usecases. Specifically, this seems to fail with an "edt,etm0700g0edh6" display attached to an 24bit display interface, with interface-pix-fmt = "rgb24" set in DT. This patch fixes the problem by overriding the imx_crtc_state->bus_flags from the imxpd->bus_flags only if the DT property "interface-pix-fmt" is present or if the DI provides no formats. Signed-off-by: Marek Vasut Signed-off-by: Philipp Zabel --- drivers/gpu/drm/imx/parallel-display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/imx/parallel-display.c') diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 622eabe9efb3..2d773f090603 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -217,7 +217,7 @@ static int imx_pd_bridge_atomic_check(struct drm_bridge *bridge, if (next_bridge_state) bus_flags = next_bridge_state->input_bus_cfg.flags; - else if (!imxpd->bus_format && di->num_bus_formats) + else if (di->num_bus_formats) bus_flags = di->bus_flags; else bus_flags = imxpd->bus_flags; -- cgit v1.2.3