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clk: qcom: Avoid SMMU/cx gdsc corner cases 

Mark the msm8998 cpu CX gdsc as votable and use the hw control to avoid
corner cases with SMMU per hardware documentation.

Fixes: 3f7df5baa2 ("clk: qcom: Add MSM8998 GPU Clock Controller (GPUCC) driver")
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Link: https://lkml.kernel.org/r/20191217171905.5619-1-jeffrey.l.hugo@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Jeffrey Hugo 2019-12-17 09:19:05 -08:00 committed by Stephen Boyd
parent 8d20c39f06
commit 781d8cea68
1 changed files with 2 additions and 0 deletions
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2
drivers/clk/qcom/gpucc-msm8998.c
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@ -242,10 +242,12 @@ static struct clk_branch gfx3d_isense_clk = {
static struct gdsc gpu_cx_gdsc = {
.gdscr = 0x1004,
.gds_hw_ctrl = 0x1008,
.pd = {
.name = "gpu_cx",
},
.pwrsts = PWRSTS_OFF_ON,
.flags = VOTABLE,
};
static struct gdsc gpu_gx_gdsc = {