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disp: msm: sde: add support for INTF WD long term jitter restore from ipc

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Change adds support for storing the INTF watchdog timer long term jitter
curve state. The state before collapse is stored in wd_jitter and
restore back during power restore.

Change-Id: Id83b5cc754daea89d7844ab67b38e12199525ff8
Signed-off-by: Shamika Joshi <quic_shamjosh@quicinc.com>
This commit is contained in:
Shamika Joshi
2022-10-06 15:49:40 -07:00
committed by Gerrit - the friendly Code Review server
parent 38c0d4cdba
commit f28d9e0a6a
9 changed files with 123 additions and 40 deletions
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13
msm/sde/sde_hw_intf.h
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@@ -73,13 +73,18 @@ struct intf_avr_params {
* jitter : max instantaneous jitter.
* ltj_max : max long term jitter value.
* ltj_slope : slope of long term jitter.
*ltj_step_dir: direction of the step in LTJ
*ltj_initial_val: LTJ initial value
*ltj_fractional_val: LTJ fractional initial value
*/
struct intf_wd_jitter_params {
u32 jitter;
u32 ltj_max;
u32 ltj_slope;
u8 ltj_step_dir;
u32 ltj_initial_val;
u32 ltj_fractional_val;
};
/**
* struct sde_hw_intf_ops : Interface to the interface Hw driver functions
* Assumption is these functions will be called after clocks are enabled
@@ -95,6 +100,8 @@ struct intf_wd_jitter_params {
* converts it into line count
* @setup_vsync_source: Configure vsync source selection for intf
* @configure_wd_jitter: Configure WD jitter.
* @ write_wd_ltj: Write WD long term jitter.
* @get_wd_ltj_status: Read WD long term jitter status.
* @bind_pingpong_blk: enable/disable the connection with pingpong which will
* feed pixels to this interface
*/
@@ -132,6 +139,10 @@ struct sde_hw_intf_ops {
void (*setup_vsync_source)(struct sde_hw_intf *intf, u32 frame_rate);
void (*configure_wd_jitter)(struct sde_hw_intf *intf,
struct intf_wd_jitter_params *wd_jitter);
void (*write_wd_ltj)(struct sde_hw_intf *intf,
struct intf_wd_jitter_params *wd_jitter);
void (*get_wd_ltj_status)(struct sde_hw_intf *intf,
struct intf_wd_jitter_params *wd_jitter);
void (*bind_pingpong_blk)(struct sde_hw_intf *intf,
bool enable,