This is a note to let you know that I've just added the patch titled
clk: qcom: gpucc-sa8775p: Update wait_val fields for GPU GDSC's
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
clk-qcom-gpucc-sa8775p-update-wait_val-fields-for-gp.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3087637367ead0a7b596bfec01ae4af6a7482966
Author: Taniya Das <quic_tdas@xxxxxxxxxxx>
Date: Wed Jun 12 16:38:26 2024 +0530
clk: qcom: gpucc-sa8775p: Update wait_val fields for GPU GDSC's
[ Upstream commit 211681998d706d1e0fff6b62f89efcdf29c24978 ]
Update wait_val fields as per the default hardware values of the GDSC as
otherwise it would lead to GDSC FSM state stuck causing power on/off
failures of the GSDC.
Fixes: 0afa16afc36d ("clk: qcom: add the GPUCC driver for sa8775p")
Signed-off-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
Acked-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240612-sa8775p-v2-gcc-gpucc-fixes-v2-6-adcc756a23df@xxxxxxxxxxx
Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/clk/qcom/gpucc-sa8775p.c b/drivers/clk/qcom/gpucc-sa8775p.c
index abcaefa01e386..0d9a8379efaa8 100644
--- a/drivers/clk/qcom/gpucc-sa8775p.c
+++ b/drivers/clk/qcom/gpucc-sa8775p.c
@@ -523,6 +523,9 @@ static struct clk_regmap *gpu_cc_sa8775p_clocks[] = {
static struct gdsc cx_gdsc = {
.gdscr = 0x9108,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0xf,
.gds_hw_ctrl = 0x953c,
.pd = {
.name = "cx_gdsc",
@@ -533,6 +536,9 @@ static struct gdsc cx_gdsc = {
static struct gdsc gx_gdsc = {
.gdscr = 0x905c,
+ .en_rest_wait_val = 0x2,
+ .en_few_wait_val = 0x2,
+ .clk_dis_wait_val = 0xf,
.pd = {
.name = "gx_gdsc",
.power_on = gdsc_gx_do_nothing_enable,
