[PATCH] drm/amdgpu: do optimization for psp command submit

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From: pengzhou <PengJu.Zhou@xxxxxxx>

In the psp command submit logic,
the function msleep(1) delayed too long,
Changing it to usleep_range(10, 100) to
have a better performance.

Signed-off-by: Peng Ju Zhou <PengJu.Zhou@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 523d22db094b..8d11b34fe40e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -249,7 +249,7 @@ psp_cmd_submit_buf(struct psp_context *psp,
 {
 	int ret;
 	int index;
-	int timeout = 2000;
+	int timeout = 20000;
 	bool ras_intr = false;
 	bool skip_unsupport = false;
 
@@ -282,7 +282,7 @@ psp_cmd_submit_buf(struct psp_context *psp,
 		ras_intr = amdgpu_ras_intr_triggered();
 		if (ras_intr)
 			break;
-		msleep(1);
+		usleep_range(10, 100);
 		amdgpu_asic_invalidate_hdp(psp->adev, NULL);
 	}
 
-- 
2.17.1

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