From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Stephen Boyd <swboyd@chromium.org>,
sbillaka@codeaurora.org
Cc: Tanmay Shah <tanmay@codeaurora.org>,
Chandan Uddaraju <chandanu@codeaurora.org>,
Abhinav Kumar <abhinavk@codeaurora.org>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH 3/4] drm/msm/dp: Initialize the INTF_CONFIG register
Date: Mon, 10 May 2021 23:20:42 -0500 [thread overview]
Message-ID: <20210511042043.592802-4-bjorn.andersson@linaro.org> (raw)
In-Reply-To: <20210511042043.592802-1-bjorn.andersson@linaro.org>
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 <bjorn.andersson@linaro.org>
---
drivers/gpu/drm/msm/dp/dp_catalog.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c
index a0449a2867e4..e3996eef5518 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.c
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.c
@@ -707,6 +707,7 @@ 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;
}
--
2.29.2
next prev parent reply other threads:[~2021-05-11 4:21 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-11 4:20 [PATCH 0/4] drm/msm/dp: Add support for SC8180x eDP controller Bjorn Andersson
2021-05-11 4:20 ` [PATCH 1/4] drm/msm/dp: Simplify the mvid/nvid calculation Bjorn Andersson
2021-05-28 23:11 ` [Freedreno] " abhinavk
2021-06-08 20:13 ` Bjorn Andersson
2021-06-09 0:08 ` abhinavk
2021-05-11 4:20 ` [PATCH 2/4] drm/msm/dp: Store each subblock in the io region Bjorn Andersson
2021-05-28 23:14 ` [Freedreno] " abhinavk
2021-05-11 4:20 ` Bjorn Andersson [this message]
2021-05-28 23:28 ` [Freedreno] [PATCH 3/4] drm/msm/dp: Initialize the INTF_CONFIG register abhinavk
2021-05-11 4:20 ` [PATCH 4/4] drm/msm/dp: Add support for SC8180x eDP Bjorn Andersson
2021-05-28 23:40 ` [Freedreno] " abhinavk
2021-05-29 17:09 ` Bjorn Andersson
2021-06-04 21:56 ` Stephen Boyd
2021-05-19 3:41 ` [Freedreno] [PATCH 0/4] drm/msm/dp: Add support for SC8180x eDP controller abhinavk
2021-05-19 14:51 ` Bjorn Andersson
2021-05-28 22:37 ` abhinavk
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