]> git.baikalelectronics.ru Git - kernel.git/commit
clk: qcom: dispcc: Update the transition delay for MDSS GDSC
authorTaniya Das <tdas@codeaurora.org>
Wed, 23 Feb 2022 18:56:06 +0000 (00:26 +0530)
committerStephen Boyd <sboyd@kernel.org>
Fri, 25 Feb 2022 00:22:11 +0000 (16:22 -0800)
commit4246ab3c89a7bf6b699870d05768059fb4467d83
tree7e063e739563ac553583e818b28b34ea74f21123
parent4416d0fe66b567b5b265afe75d9a22b543af119a
clk: qcom: dispcc: Update the transition delay for MDSS GDSC

On SC7180 we observe black screens because the gdsc is being
enabled/disabled very rapidly and the GDSC FSM state does not work as
expected. This is due to the fact that the GDSC reset value is being
updated from SW.

The recommended transition delay for mdss core gdsc updated for
SC7180/SC7280/SM8250.

Fixes: 1a80abc4b899 ("clk: qcom: Add display clock controller driver for SC7180")
Fixes: 9d6d5e8edb33 ("clk: qcom: Add display clock controller driver for SC7280")
Fixes: 62d930d74e8e ("clk: qcom: Add display clock controller driver for SM8150 and SM8250")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/20220223185606.3941-2-tdas@codeaurora.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[sboyd@kernel.org: lowercase hex]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
drivers/clk/qcom/dispcc-sc7180.c
drivers/clk/qcom/dispcc-sc7280.c
drivers/clk/qcom/dispcc-sm8250.c