drm/etnaviv: enable debug registers on demand (04a7d18d) · Commits · 戴 / test

drivers/gpu/drm/etnaviv/etnaviv_gpu.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -1353,6 +1353,11 @@ static void sync_point_perfmon_sample_pre(struct etnaviv_gpu *gpu,
		val &= ~VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING;
		gpu_write(gpu, VIVS_PM_POWER_CONTROLS, val);

		/* enable debug register */
		val = gpu_read(gpu, VIVS_HI_CLOCK_CONTROL);
		val &= ~VIVS_HI_CLOCK_CONTROL_DISABLE_DEBUG_REGISTERS;
		gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, val);

		sync_point_perfmon_sample(gpu, event, ETNA_PM_PROCESS_PRE);
		}

		@@ -1371,6 +1376,11 @@ static void sync_point_perfmon_sample_post(struct etnaviv_gpu *gpu,
		*pmr->bo_vma = pmr->sequence;
		}

		/* disable debug register */
		val = gpu_read(gpu, VIVS_HI_CLOCK_CONTROL);
		val \|= VIVS_HI_CLOCK_CONTROL_DISABLE_DEBUG_REGISTERS;
		gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, val);

		/* enable clock gating */
		val = gpu_read(gpu, VIVS_PM_POWER_CONTROLS);
		val \|= VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING;