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Commit 7df1df99 authored by Hareesh Gundu's avatar Hareesh Gundu
Browse files

msm: kgsl: Get RGMU firmware version from register 



The RGMU firmware writes the version information to
GMU general register. Read firmware version from
the register and store it to rgmu structure.

Change-Id: I1dcc8d7e606e486ba81702d824419b84f71b2c1f
Signed-off-by: default avatarHareesh Gundu <hareeshg@codeaurora.org>
parent 4e009b46

drivers/gpu/msm/a6xx_reg.h

+2 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -1026,6 +1026,7 @@ 
#define A6XX_GMU_HOST2GMU_INTR_INFO_1		0x1F99C

#define A6XX_GMU_HOST2GMU_INTR_INFO_2		0x1F99D

#define A6XX_GMU_HOST2GMU_INTR_INFO_3		0x1F99E

#define A6XX_GMU_GENERAL_0			0x1F9C5

#define A6XX_GMU_GENERAL_1			0x1F9C6

#define A6XX_GMU_GENERAL_6			0x1F9CB

#define A6XX_GMU_GENERAL_7			0x1F9CC

drivers/gpu/msm/adreno_a6xx_rgmu.c

+4 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -434,6 +434,9 @@ static int a6xx_rgmu_fw_start(struct kgsl_device *device, 
		return -ETIMEDOUT;

	}



	/* Read the RGMU firmware version from registers */

	gmu_core_regread(device, A6XX_GMU_GENERAL_0, &rgmu->ver);



	return 0;

}

drivers/gpu/msm/kgsl_rgmu.h

+3 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -25,6 +25,7 @@ 


/**

 * struct rgmu_device - rGMU device structure

 * @ver: RGMU firmware version

 * @reg_phys: RGMU CSR physical address

 * @reg_virt: RGMU CSR virtual address

 * @reg_len: RGMU CSR range
@@ -44,6 +45,7 @@ 
 * @fault_count: RGMU fault count

 */

struct rgmu_device {

	u32 ver;

	struct platform_device *pdev;

	unsigned long reg_phys;

	unsigned int reg_len;