samsung-sm8650/android_kernel_samsung_sm8650-modules
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Merge "video: driver: set QOS registers"

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qctecmdr
2023-04-07 09:22:36 -07:00
committed by Gerrit - the friendly Code Review server
parent 6a9848a4ad 78c90f4173
commit 9c1c73f705
3 changed files with 45 additions and 3 deletions
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31
driver/variant/iris33/src/msm_vidc_iris33.c
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@@ -677,6 +677,7 @@ static int __power_on_iris33(struct msm_vidc_core *core)
struct frequency_table *freq_tbl;
u32 freq = 0;
int rc = 0;
int count = 0;
if (is_core_sub_state(core, CORE_SUBSTATE_POWER_ENABLE))
return 0;
@@ -722,15 +723,45 @@ static int __power_on_iris33(struct msm_vidc_core *core)
/*
* Re-program all of the registers that get reset as a result of
* regulator_disable() and _enable()
* When video module writing to QOS registers EVA module is not
* supposed to do video_xo_reset operations else we will see register
* access failure, so acquire video_xo_reset to ensure EVA module is
* not doing assert or de-assert on video_xo_reset.
*/
do {
rc = call_res_op(core, reset_control_acquire, core, "video_xo_reset");
if (!rc) {
break;
} else {
d_vpr_e(
"%s: failed to acquire video_xo_reset control, count %d\n",
__func__, count);
count++;
usleep_range(1000, 1000);
}
} while (count < 100);
if (count >= 100) {
d_vpr_e("%s: timeout acquiring video_xo_reset\n", __func__);
goto fail_assert_xo_reset;
}
__set_registers(core);
/* release reset control for other consumers */
rc = call_res_op(core, reset_control_release, core, "video_xo_reset");
if (rc) {
d_vpr_e("%s: failed to release video_xo_reset reset\n", __func__);
goto fail_deassert_xo_reset;
}
__interrupt_init_iris33(core);
core->intr_status = 0;
enable_irq(core->resource->irq);
return rc;
fail_deassert_xo_reset:
fail_assert_xo_reset:
fail_power_on_substate:
__power_off_iris33_hardware(core);
fail_power_on_hardware: