]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
drm/msm/dsi/phy: fix 7nm v4.0 settings for C-PHY mode
authorDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Thu, 17 Feb 2022 00:08:37 +0000 (03:08 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 8 Apr 2022 11:58:09 +0000 (13:58 +0200)
commit1d975020471c796464aaefd20f896eaabcfb91e2
tree8d6c144d35b43b5b3ee427847b9b3a2c1745c2ca
parentbe2aa1ab72205542379e06eac0d35d9d9ab44435
drm/msm/dsi/phy: fix 7nm v4.0 settings for C-PHY mode

[ Upstream commit bb07af2ed2a47dc6c4d0681f275bb27d4f845465 ]

The dsi_7nm_phy_enable() disagrees with downstream for
glbl_str_swi_cal_sel_ctrl and glbl_hstx_str_ctrl_0 values. Update
programmed settings to match downstream driver. To remove the
possibility for such errors in future drop less_than_1500_mhz
assignment and specify settings explicitly.

Fixes: 5ac178381d26 ("drm/msm/dsi: support CPHY mode for 7nm pll/phy")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20220217000837.435340-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c