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Commit f4721b63 authored by Harshdeep Dhatt's avatar Harshdeep Dhatt
Browse files

msm: kgsl: Do not capture DTCM on gmu boot failure 



Accessing DTCM can cause NoC error sometimes if GMU is accessing
any of its TCMs at the same time as host.

Change-Id: I3d7a3169620854dbd659f378c216a7b15435c914
Signed-off-by: default avatarHarshdeep Dhatt <hdhatt@codeaurora.org>
parent d8534164

drivers/gpu/msm/adreno_a6xx_gmu.c

+1 −8
Original line number Diff line number Diff line
@@ -457,15 +457,8 @@ static int a6xx_gmu_device_start(struct adreno_device *adreno_dev) 
	if (timed_poll_check(device,

			A6XX_GMU_CM3_FW_INIT_RESULT,

			val, GMU_START_TIMEOUT, mask)) {

		u32 val;



		/*

		 * The breadcrumb is written to a gmu virtual mapping

		 * which points to dtcm byte offset 0x3fdc.

		 */

		gmu_core_regread(device,

			A6XX_GMU_CM3_DTCM_START + (0x3fdc >> 2), &val);

		dev_err(&gmu->pdev->dev, "GMU doesn't boot: 0x%x\n", val);

		dev_err(&gmu->pdev->dev, "GMU doesn't boot\n");

		gmu_fault_snapshot(device);

		return -ETIMEDOUT;

	}