On 8/2/2022 12:45 PM, Dmitry Baryshkov wrote:
On 30/07/2022 12:17, Akhil P Oommen wrote:
Allow a consumer driver to poll for cx gdsc collapse through Reset
framework.
Signed-off-by: Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx>
---
drivers/clk/qcom/gpucc-sc7280.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/clk/qcom/gpucc-sc7280.c
b/drivers/clk/qcom/gpucc-sc7280.c
index 9a832f2..f5df51d 100644
--- a/drivers/clk/qcom/gpucc-sc7280.c
+++ b/drivers/clk/qcom/gpucc-sc7280.c
@@ -433,12 +433,18 @@ static const struct regmap_config
gpu_cc_sc7280_regmap_config = {
.fast_io = true,
};
+static const struct qcom_reset_map gpucc_sc7280_resets[] = {
+ [GPU_CX_COLLAPSE] = { .op = gdsc_wait_for_collapse, .priv =
&cx_gdsc },
+};
+
static const struct qcom_cc_desc gpu_cc_sc7280_desc = {
.config = &gpu_cc_sc7280_regmap_config,
.clks = gpu_cc_sc7280_clocks,
.num_clks = ARRAY_SIZE(gpu_cc_sc7280_clocks),
.gdscs = gpu_cc_sc7180_gdscs,
.num_gdscs = ARRAY_SIZE(gpu_cc_sc7180_gdscs),
+ .resets = gpucc_sc7280_resets,
+ .num_resets = ARRAY_SIZE(gpucc_sc7280_resets),
An implementation question. Do we have to poll for the GDSC on
platforms like sm8150/sm8250 which have the plain BCR resets?
Yes.
Thanks for all the feedback, Dmitry. I will post another version of this
series.
-Akhil.
};
static const struct of_device_id gpu_cc_sc7280_match_table[] = {
