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authorJeffrey Hugo <jeffrey.l.hugo@gmail.com>2019-12-17 09:19:05 -0800
committerStephen Boyd <sboyd@kernel.org>2019-12-18 22:02:27 -0800
commit781d8cea68ac41d11a80df2a5f5babd584f86447 (patch)
tree16ca5e9b2e5c66934ecd42fd35ec2c8b0682e499 /drivers/clk
parent8d20c39f063ed33012d7461c77fd5b89665e5163 (diff)
downloadlinux-781d8cea68ac41d11a80df2a5f5babd584f86447.tar.bz2
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: 3f7df5baa259 ("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>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/qcom/gpucc-msm8998.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/clk/qcom/gpucc-msm8998.c b/drivers/clk/qcom/gpucc-msm8998.c
index e5e2492b20c5..9b3923af02a1 100644
--- a/drivers/clk/qcom/gpucc-msm8998.c
+++ b/drivers/clk/qcom/gpucc-msm8998.c
@@ -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 = {