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-rw-r--r--power-8953.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/power-8953.c b/power-8953.c
index 7c97b77..3d76c6b 100644
--- a/power-8953.c
+++ b/power-8953.c
@@ -36,6 +36,7 @@
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <time.h>
#include <unistd.h>
#define LOG_TAG "QTI PowerHAL"
@@ -54,6 +55,10 @@ static int video_encode_hint_sent;
static int display_fd;
#define SYS_DISPLAY_PWR "/sys/kernel/hbtp/display_pwr"
+const int kMinInteractiveDuration = 500; /* ms */
+const int kMaxInteractiveDuration = 5000; /* ms */
+const int kMaxLaunchDuration = 5000; /* ms */
+
/**
* Returns true if the target is SDM632.
*/
@@ -153,12 +158,74 @@ static int process_video_encode_hint(void* metadata) {
return HINT_NONE;
}
+static void process_interaction_hint(void* data) {
+ static struct timespec s_previous_boost_timespec;
+ static int s_previous_duration = 0;
+
+ struct timespec cur_boost_timespec;
+ long long elapsed_time;
+ int duration = kMinInteractiveDuration;
+
+ if (data) {
+ int input_duration = *((int*)data);
+ if (input_duration > duration) {
+ duration = (input_duration > kMaxInteractiveDuration) ? kMaxInteractiveDuration
+ : input_duration;
+ }
+ }
+
+ clock_gettime(CLOCK_MONOTONIC, &cur_boost_timespec);
+
+ elapsed_time = calc_timespan_us(s_previous_boost_timespec, cur_boost_timespec);
+ // don't hint if previous hint's duration covers this hint's duration
+ if ((s_previous_duration * 1000) > (elapsed_time + duration * 1000)) {
+ return;
+ }
+ s_previous_boost_timespec = cur_boost_timespec;
+ s_previous_duration = duration;
+
+ perf_hint_enable_with_type(VENDOR_HINT_SCROLL_BOOST, duration, SCROLL_VERTICAL);
+}
+
+static int process_activity_launch_hint(void* data) {
+ static int launch_handle = -1;
+ static int launch_mode = 0;
+
+ // release lock early if launch has finished
+ if (!data) {
+ if (CHECK_HANDLE(launch_handle)) {
+ release_request(launch_handle);
+ launch_handle = -1;
+ }
+ launch_mode = 0;
+ return HINT_HANDLED;
+ }
+
+ if (!launch_mode) {
+ launch_handle = perf_hint_enable_with_type(VENDOR_HINT_FIRST_LAUNCH_BOOST,
+ kMaxLaunchDuration, LAUNCH_BOOST_V1);
+ if (!CHECK_HANDLE(launch_handle)) {
+ ALOGE("Failed to perform launch boost");
+ return HINT_NONE;
+ }
+ launch_mode = 1;
+ }
+ return HINT_HANDLED;
+}
+
int power_hint_override(power_hint_t hint, void* data) {
int ret_val = HINT_NONE;
switch (hint) {
case POWER_HINT_VIDEO_ENCODE:
ret_val = process_video_encode_hint(data);
break;
+ case POWER_HINT_INTERACTION:
+ process_interaction_hint(data);
+ ret_val = HINT_HANDLED;
+ break;
+ case POWER_HINT_LAUNCH:
+ ret_val = process_activity_launch_hint(data);
+ break;
default:
break;
}