OSDN Git Service

drm/msm/dsi: do not try reading 28nm vco rate if it's not enabled
authorDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fri, 30 Oct 2020 15:12:07 +0000 (18:12 +0300)
committerRob Clark <robdclark@chromium.org>
Thu, 5 Nov 2020 00:00:55 +0000 (16:00 -0800)
commit0e720ea8de07843cf5e0c324ff44bec2b6a7e767
tree981b66fa674125a9ad22222c3cd179988edb9670
parent5785dd7a8ef0de8049f40a1a109de6a1bf17b479
drm/msm/dsi: do not try reading 28nm vco rate if it's not enabled

Reading VCO rate for this PLL can cause boot stalls, if it is not
enabled. Guard clk_hw_get_rate with a call to
dsi_pll_28nm_clk_is_enabled().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c