Commit d9e19d79 authored by Jonathan Marek's avatar Jonathan Marek Committed by Rob Clark
Browse files

drm/msm/a6xx: skip HFI set freq if GMU is powered down 



Also skip the newly added HFI set freq path if the GMU is powered down,
which was missing because of patches crossing paths.

Signed-off-by: default avatarJonathan Marek <jonathan@marek.ca>
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent fb212ad6

drivers/gpu/drm/msm/adreno/a6xx_gmu.c

+9 −9
Original line number Diff line number Diff line
@@ -110,13 +110,6 @@ static void __a6xx_gmu_set_freq(struct a6xx_gmu *gmu, int index) 
	struct msm_gpu *gpu = &adreno_gpu->base;

	int ret;



	/*

	 * This can get called from devfreq while the hardware is idle. Don't

	 * bring up the power if it isn't already active

	 */

	if (pm_runtime_get_if_in_use(gmu->dev) == 0)

		return;



	gmu_write(gmu, REG_A6XX_GMU_DCVS_ACK_OPTION, 0);



	gmu_write(gmu, REG_A6XX_GMU_DCVS_PERF_SETTING,
@@ -141,7 +134,6 @@ static void __a6xx_gmu_set_freq(struct a6xx_gmu *gmu, int index) 
	 * for now leave it at max so that the performance is nominal.

	 */

	icc_set_bw(gpu->icc_path, 0, MBps_to_icc(7216));

	pm_runtime_put(gmu->dev);

}



void a6xx_gmu_set_freq(struct msm_gpu *gpu, unsigned long freq)
@@ -159,13 +151,21 @@ void a6xx_gmu_set_freq(struct msm_gpu *gpu, unsigned long freq) 
			break;



	gmu->current_perf_index = perf_index;

	gmu->freq = gmu->gpu_freqs[perf_index];



	/*

	 * This can get called from devfreq while the hardware is idle. Don't

	 * bring up the power if it isn't already active

	 */

	if (pm_runtime_get_if_in_use(gmu->dev) == 0)

		return;



	if (gmu->legacy)

		__a6xx_gmu_set_freq(gmu, perf_index);

	else

		a6xx_hfi_set_freq(gmu, perf_index);



	gmu->freq = gmu->gpu_freqs[perf_index];

	pm_runtime_put(gmu->dev);

}



unsigned long a6xx_gmu_get_freq(struct msm_gpu *gpu)

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