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Merge "video: iris33: ensure AON spare register to become zero"

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This commit is contained in:
qctecmdr
2022-12-22 11:18:57 -08:00
committed by Gerrit - the friendly Code Review server
parent 075e5e2eab 520a2893df
commit 2d442bba69
1 changed files with 13 additions and 4 deletions
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17
driver/variant/iris33/src/msm_vidc_iris33.c
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@@ -458,9 +458,13 @@ static int __power_off_iris33_controller(struct msm_vidc_core *core)
if (rc)
return rc;
rc = __read_register(core, AON_WRAPPER_SPARE, &value);
if (rc)
return rc;
/* poll AON spare register bit0 to become zero with 50ms timeout */
rc = __read_register_with_poll_timeout(core, AON_WRAPPER_SPARE,
0x1, 0x0, 1000, 50 * 1000);
if (rc)
d_vpr_e("%s: AON spare register is not zero\n", __func__);
/* enable bit(1) to avoid cvp noc xo reset */
rc = __write_register(core, AON_WRAPPER_SPARE, value|0x2);
if (rc)
return rc;
@@ -474,7 +478,7 @@ static int __power_off_iris33_controller(struct msm_vidc_core *core)
rc = __write_register_masked(core, AON_WRAPPER_MVP_NOC_CORE_SW_RESET,
0x0, BIT(0));
if (rc)
return rc;
d_vpr_e("%s: MVP_NOC_CORE_SW_RESET failed\n", __func__);
/* De-assert video_cc XO reset */
usleep_range(80, 100);
@@ -482,6 +486,11 @@ static int __power_off_iris33_controller(struct msm_vidc_core *core)
if (rc)
d_vpr_e("%s: deassert video_xo_reset failed\n", __func__);
/* reset AON spare register */
rc = __write_register(core, AON_WRAPPER_SPARE, 0x0);
if (rc)
return rc;
/* Enable MVP NoC clock */
rc = __write_register_masked(core, AON_WRAPPER_MVP_NOC_CORE_CLK_CONTROL,
0x0, BIT(0));