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Commit f453d420 authored by George Shen's avatar George Shen
Browse files

msm: kgsl: Pass GPU HW version to GMU 



The GMU FW needs to know GPU HW vesion to allow same FW
supports multiple versions of target.

CRs-Fixed: 2085877
Change-Id: I6da52bd683a9c0a19d98cfca77727fccfe7e64d9
Signed-off-by: default avatarGeorge Shen <sqiao@codeaurora.org>
parent 089d1cb5

drivers/gpu/msm/adreno_a6xx.c

+16 −0
Original line number Diff line number Diff line
@@ -1447,6 +1447,7 @@ static int a6xx_gmu_fw_start(struct kgsl_device *device, 
	struct gmu_device *gmu = &device->gmu;

	struct gmu_memdesc *mem_addr = gmu->hfi_mem;

	int ret, i;

	unsigned int chipid = 0;



	switch (boot_state) {

	case GMU_RESET:
@@ -1499,6 +1500,21 @@ static int a6xx_gmu_fw_start(struct kgsl_device *device, 
	kgsl_gmu_regwrite(device, A6XX_GMU_AHB_FENCE_RANGE_0,

			FENCE_RANGE_MASK);



	/* Pass chipid to GMU FW, must happen before starting GMU */



	/* Keep Core and Major bitfields unchanged */

	chipid = adreno_dev->chipid & 0xFFFF0000;



	/*

	 * Compress minor and patch version into 8 bits

	 * Bit 15-12: minor version

	 * Bit 11-8: patch version

	 */

	chipid = chipid | (ADRENO_CHIPID_MINOR(adreno_dev->chipid) << 12)

			| (ADRENO_CHIPID_PATCH(adreno_dev->chipid) << 8);



	kgsl_gmu_regwrite(device, A6XX_GMU_HFI_SFR_ADDR, chipid);



	if (ADRENO_FEATURE(adreno_dev, ADRENO_LM) &&

		test_bit(ADRENO_LM_CTRL, &adreno_dev->pwrctrl_flag)) {

		kgsl_gmu_regwrite(device, A6XX_GPU_GMU_CX_GMU_PWR_THRESHOLD,