Commit 3773a57d authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Rob Clark
Browse files

drm/msm/a6xx: Improve a6xx_bus_clear_pending_transactions() 



Unify the indentation and explain the cryptic 0xF value.

Reviewed-by: default avatarAkhil P Oommen <quic_akhilpo@quicinc.com>
Signed-off-by: default avatarKonrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/542756/


Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 6e332c99

drivers/gpu/drm/msm/adreno/a6xx_gpu.c

+5 −4
Original line number Diff line number Diff line
@@ -1707,15 +1707,16 @@ static void a6xx_llc_slices_init(struct platform_device *pdev, 


#define GBIF_CLIENT_HALT_MASK		BIT(0)

#define GBIF_ARB_HALT_MASK		BIT(1)

#define VBIF_XIN_HALT_CTRL0_MASK	GENMASK(3, 0)



void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu, bool gx_off)

{

	struct msm_gpu *gpu = &adreno_gpu->base;



	if (!a6xx_has_gbif(adreno_gpu)) {

		gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0xf);

		gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, VBIF_XIN_HALT_CTRL0_MASK);

		spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) &

								0xf) == 0xf);

				(VBIF_XIN_HALT_CTRL0_MASK)) == VBIF_XIN_HALT_CTRL0_MASK);

		gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0);



		return;