diff options
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 2313620084b6..11cb410e0ac7 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1629,6 +1629,10 @@ static int hw_init(struct msm_gpu *gpu) mb(); } + /* Some GPUs are stubborn and take their sweet time to unhalt GBIF! */ + if (adreno_is_a7xx(adreno_gpu) && a6xx_has_gbif(adreno_gpu)) + spin_until(!gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK)); + gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_CNTL, 0); if (adreno_is_a619_holi(adreno_gpu)) |