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msm: kgsl: Fix HFI start failed on SA8155

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In current code GMU can't startup properly on SA8155,
because of HFI start failure, we can fix this by moving
load pdc and rsc before HFI start.

Fixes: 90da593e71 ("msm: kgsl: Create a6xx gmu power ops")
Change-Id: Ie373cb89a54e88b3eedd62df65153e0c931b019b
Signed-off-by: Hui Li <hul@codeaurora.org>
This commit is contained in:
Hui Li 2020-08-05 22:41:31 +08:00
commit 449d29fb0f
2 changed files with 10 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

17
drivers/gpu/msm/adreno_a6xx_gmu.c
View file

@ -2197,6 +2197,15 @@ static int a6xx_gmu_first_boot(struct adreno_device *adreno_dev)
goto err;
}
if (!test_bit(GMU_PRIV_PDC_RSC_LOADED, &gmu->flags)) {
ret = a6xx_load_pdc_ucode(adreno_dev);
if (ret)
goto err;
a6xx_load_rsc_ucode(adreno_dev);
set_bit(GMU_PRIV_PDC_RSC_LOADED, &gmu->flags);
}
ret = a6xx_gmu_hfi_start(adreno_dev);
if (ret)
goto err;
@ -2985,14 +2994,6 @@ static int a6xx_first_boot(struct adreno_device *adreno_dev)
if (ret)
return ret;
ret = a6xx_load_pdc_ucode(adreno_dev);
if (ret) {
a6xx_gmu_power_off(adreno_dev);
return ret;
}
a6xx_load_rsc_ucode(adreno_dev);
adreno_get_bus_counters(adreno_dev);
adreno_dev->cooperative_reset = ADRENO_FEATURE(adreno_dev,

1
drivers/gpu/msm/adreno_a6xx_gmu.h
View file

@ -137,6 +137,7 @@ enum {
GMU_PRIV_HFI_STARTED,
GMU_PRIV_RSCC_SLEEP_DONE,
GMU_PRIV_PM_SUSPEND,
GMU_PRIV_PDC_RSC_LOADED,
};
/**