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Commit 9d57d42d authored by Kyle Piefer's avatar Kyle Piefer
Browse files

msm: kgsl: Prevent dual ownership of GMU counters 



The last two XO clock-based GMU power counters are
owned by the GMU firmware. Mark them as broken to
prevent KGSL from using them and causing dual
ownership problems.

Change-Id: I481f850153cbbce7ccf149e032c68e37cc112dac
Signed-off-by: default avatarKyle Piefer <kpiefer@codeaurora.org>
parent dd5080ee

drivers/gpu/msm/adreno_a6xx.c

+8 −2
Original line number Diff line number Diff line
@@ -2400,11 +2400,17 @@ static struct adreno_perfcount_register a6xx_pwrcounters_gpmu[] = { 
		A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_3_L,

		A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_3_H, -1,

		A6XX_GMU_CX_GMU_POWER_COUNTER_SELECT_0, },

	{ KGSL_PERFCOUNTER_NOT_USED, 0, 0,

	/*

	 * Both A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_4 and

	 * A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_5 are owned

	 * by the GMU. Mark them as broken so there is no

	 * dual ownership.

	 */

	{ KGSL_PERFCOUNTER_BROKEN, 0, 0,

		A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_4_L,

		A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_4_H, -1,

		A6XX_GMU_CX_GMU_POWER_COUNTER_SELECT_1, },

	{ KGSL_PERFCOUNTER_NOT_USED, 0, 0,

	{ KGSL_PERFCOUNTER_BROKEN, 0, 0,

		A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_5_L,

		A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_5_H, -1,

		A6XX_GMU_CX_GMU_POWER_COUNTER_SELECT_1, },