From: Bjorn Andersson Date: Thu, 22 Jul 2021 02:44:34 +0000 (-0700) Subject: drm/msm/dp: Initialize the INTF_CONFIG register X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f9a39932fa54b6421e751ada7a285da809146421;p=linux.git drm/msm/dp: Initialize the INTF_CONFIG register Some bootloaders set the widebus enable bit in the INTF_CONFIG register, but configuration of widebus isn't yet supported ensure that the register has a known value, with widebus disabled. Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support") Signed-off-by: Bjorn Andersson Reviewed-by: Stephen Boyd Link: https://lore.kernel.org/r/20210722024434.3313167-1-bjorn.andersson@linaro.org Signed-off-by: Rob Clark --- diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index ca96e35147901..c0423e76eed76 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -771,6 +771,7 @@ int dp_catalog_panel_timing_cfg(struct dp_catalog *dp_catalog) dp_write_link(catalog, REG_DP_HSYNC_VSYNC_WIDTH_POLARITY, dp_catalog->width_blanking); dp_write_link(catalog, REG_DP_ACTIVE_HOR_VER, dp_catalog->dp_active); + dp_write_p0(catalog, MMSS_DP_INTF_CONFIG, 0); return 0; }