[PATCH] drm/msm: Do hw_init() before capturing GPU state

[Rob Clark]

From: Rob Clark <robdcl...@chromium.org>

In particular, we need to ensure all the necessary blocks are switched
to 64b mode (a5xx+) otherwise the high bits of the address of the BO to
snapshot state into will be ignored, resulting in:

  *** gpu fault: ttbr0=0000000000000000 iova=0000000000012000 dir=READ 
type=TRANSLATION source=CP (0,0,0,0)
  platform 506a000.gmu: [drm:a6xx_gmu_set_oob] *ERROR* Timeout waiting for GMU 
OOB set BOOT_SLUMBER: 0x0

Fixes: 4f776f4511c7 ("drm/msm/gpu: Convert the GPU show function to use the GPU 
state")
Signed-off-by: Rob Clark <robdcl...@chromium.org>
---
 drivers/gpu/drm/msm/msm_debugfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/msm_debugfs.c 
b/drivers/gpu/drm/msm/msm_debugfs.c
index b4d1a5162d1c..956b1efc3721 100644
--- a/drivers/gpu/drm/msm/msm_debugfs.c
+++ b/drivers/gpu/drm/msm/msm_debugfs.c
@@ -77,6 +77,7 @@ static int msm_gpu_open(struct inode *inode, struct file 
*file)
                goto free_priv;
 
        pm_runtime_get_sync(&gpu->pdev->dev);
+       msm_gpu_hw_init(gpu);
        show_priv->state = gpu->funcs->gpu_state_get(gpu);
        pm_runtime_put_sync(&gpu->pdev->dev);
 
-- 
2.31.1