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)
commit6e6fec3f961c00ca34ffb4bf2ad9febb4b499f8d
tree7e063e739563ac553583e818b28b34ea74f21123
parent4e7c4d3652f96f41179aab3ff53025c7a550d689
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: dd3d06622138 ("clk: qcom: Add display clock controller driver for SC7180")
Fixes: 1a00c962f9cd ("clk: qcom: Add display clock controller driver for SC7280")
Fixes: 80a18f4a8567 ("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