Commit 007870b8 authored by Jonathan Marek's avatar Jonathan Marek Committed by Dmitry Baryshkov
Browse files

drm/msm/dsi: set video mode widebus enable bit when widebus is enabled 



The value returned by msm_dsi_wide_bus_enabled() doesn't match what the
driver is doing in video mode. Fix that by actually enabling widebus for
video mode.

Fixes: efcbd6f9 ("drm/msm/dsi: Enable widebus for DSI")
Signed-off-by: default avatarJonathan Marek <jonathan@marek.ca>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: default avatarMarijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: default avatarJessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: default avatarJun Nie <jun.nie@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK
Patchwork: https://patchwork.freedesktop.org/patch/596232/
Link: https://lore.kernel.org/r/20240530-msm-drm-dsc-dsi-video-upstream-4-v6-4-2ab1d334c657@linaro.org


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 06355723

drivers/gpu/drm/msm/dsi/dsi_host.c

+2 −1
Original line number Diff line number Diff line
@@ -754,6 +754,8 @@ static void dsi_ctrl_enable(struct msm_dsi_host *msm_host, 
		data |= DSI_VID_CFG0_TRAFFIC_MODE(dsi_get_traffic_mode(flags));

		data |= DSI_VID_CFG0_DST_FORMAT(dsi_get_vid_fmt(mipi_fmt));

		data |= DSI_VID_CFG0_VIRT_CHANNEL(msm_host->channel);

		if (msm_dsi_host_is_wide_bus_enabled(&msm_host->base))

			data |= DSI_VID_CFG0_DATABUS_WIDEN;

		dsi_write(msm_host, REG_DSI_VID_CFG0, data);



		/* Do not swap RGB colors */
@@ -778,7 +780,6 @@ static void dsi_ctrl_enable(struct msm_dsi_host *msm_host, 
			if (cfg_hnd->minor >= MSM_DSI_6G_VER_MINOR_V1_3)

				data |= DSI_CMD_MODE_MDP_CTRL2_BURST_MODE;



			/* TODO: Allow for video-mode support once tested/fixed */

			if (msm_dsi_host_is_wide_bus_enabled(&msm_host->base))

				data |= DSI_CMD_MODE_MDP_CTRL2_DATABUS_WIDEN;