[PATCH v2 03/16] drm/msm/a6xx: Poll additional DRV status

[Akhil P Oommen]

A7XX_GEN2 generation has additional TCS slots. Poll the respective
DRV status registers before pm suspend.

Fixes: 1f8c29e80066 ("drm/msm/a6xx: Add A740 support")
Signed-off-by: Akhil P Oommen <akhi...@oss.qualcomm.com>
---
 drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c 
b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 
bb30b11175737e04d4bfd6bfa5470d6365c520fa..06870f6596a7cb045deecaff3c95fba32ee84d52
 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -987,6 +987,22 @@ static void a6xx_gmu_rpmh_off(struct a6xx_gmu *gmu)
                val, (val & 1), 100, 10000);
        gmu_poll_timeout_rscc(gmu, REG_A6XX_RSCC_TCS3_DRV0_STATUS + seqmem_off,
                val, (val & 1), 100, 1000);
+
+       if (!adreno_is_a740_family(adreno_gpu))
+               return;
+
+       gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS4_DRV0_STATUS + seqmem_off,
+               val, (val & 1), 100, 10000);
+       gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS5_DRV0_STATUS + seqmem_off,
+               val, (val & 1), 100, 10000);
+       gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS6_DRV0_STATUS + seqmem_off,
+               val, (val & 1), 100, 10000);
+       gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS7_DRV0_STATUS + seqmem_off,
+               val, (val & 1), 100, 1000);
+       gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS8_DRV0_STATUS + seqmem_off,
+               val, (val & 1), 100, 10000);
+       gmu_poll_timeout_rscc(gmu, REG_A7XX_RSCC_TCS9_DRV0_STATUS + seqmem_off,
+               val, (val & 1), 100, 1000);
 }
 
 /* Force the GMU off in case it isn't responsive */

-- 
2.50.1