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msm_mmrm: Add api support to check if mmrm is supported

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MMRM implements clk admission control for different multimedia
resources. This api is added to assist clk clients to check
if mmrm is supported for a chipset.

If MMRM is not supported for a chipset then clients can use
this api before going any further to mmrm apis for clk
admission control.

Change-Id: Ic2323d274902b4e83002ed431c013eef9f0bf25e
Signed-off-by: Shivendra Kakrania <shiven@codeaurora.org>
This commit is contained in:
Shivendra Kakrania 2021-06-07 13:34:51 -07:00 committed by Gerrit - the friendly Code Review server
parent ae5bc9a128
commit 879f70c521
1 changed files with 18 additions and 0 deletions
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18
include/linux/soc/qcom/msm_mmrm.h
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@ -171,6 +171,18 @@ struct mmrm_client_data {
};
#if IS_ENABLED(CONFIG_MSM_MMRM)
/**
* mmrm_client_check_scaling_supported - check if mmrm client type (clk, bw)
* scaling is supported for a client domain (camera, cvp, video, display)
* @client_type: Type of mmrm client (clk, bw)
* @client_domain: client domain (camera, cvp, display, video)
*
* Returns true : mmrm scaling is supported for a client type & domain
* false: mmrm scaling is not supported for a client type & domain
*/
bool mmrm_client_check_scaling_supported(enum mmrm_client_type client_type,
u32 client_domain);
/**
* mmrm_client_register - register an mmrm client
* This call not configure any rate, use set rate to configure desired rate.
@ -236,6 +248,12 @@ int mmrm_client_get_value(struct mmrm_client *client,
struct mmrm_client_res_value *val);
#else
static inline bool mmrm_client_check_scaling_supported(
enum mmrm_client_type client_type, u32 client_domain)
{
return false;
}
static inline struct mmrm_client *mmrm_client_register(
struct mmrm_client_desc *desc)
{