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msm: kgsl: Check correct register for clamps on a660

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A660 has a new register to check whether clamps were asserted
when toggling the gx rail.

Change-Id: Ie63853b79e386fdff0e0a5ab4c4fac62ba3a2b3f
Signed-off-by: Harshdeep Dhatt <hdhatt@codeaurora.org>
This commit is contained in:
Harshdeep Dhatt 2019-10-28 14:57:26 -07:00
commit 98705af6d7
2 changed files with 10 additions and 3 deletions
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4
drivers/gpu/msm/a6xx_reg.h
View file

@ -1054,7 +1054,9 @@
/* GPUCC registers */
#define A6XX_GPU_CC_GX_GDSCR 0x24403
#define A6XX_GPU_CC_GX_DOMAIN_MISC 0x24542
#define A6XX_GPU_CC_GX_DOMAIN_MISC 0x24542
#define A6XX_GPU_CC_GX_DOMAIN_MISC3 0x24563
/* GPU RSC sequencer registers */
#define A6XX_GPU_RSCC_RSC_STATUS0_DRV0 0x00004

9
drivers/gpu/msm/adreno_a6xx_gmu.c
View file

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
*/
/* soc/qcom/cmd-db.h needs types.h */
@ -408,7 +408,12 @@ static int a6xx_rpmh_power_on_gpu(struct kgsl_device *device)
if (!test_bit(GMU_RSCC_SLEEP_SEQ_DONE, &device->gmu_core.flags))
return 0;
gmu_core_regread(device, A6XX_GPU_CC_GX_DOMAIN_MISC, &val);
/* A660 has a replacement register */
if (adreno_is_a660(ADRENO_DEVICE(device)))
gmu_core_regread(device, A6XX_GPU_CC_GX_DOMAIN_MISC3, &val);
else
gmu_core_regread(device, A6XX_GPU_CC_GX_DOMAIN_MISC, &val);
if (!(val & 0x1))
dev_err_ratelimited(&gmu->pdev->dev,
"GMEM CLAMP IO not set while GFX rail off\n");