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From 9da96ea5c41dda13e316e62ee4d5a5f2666870c6 Mon Sep 17 00:00:00 2001
From: Tom St Denis <tom.stdenis@amd.com>
Date: Thu, 31 Aug 2017 09:48:11 -0400
Subject: [PATCH 0897/4131] drm/amd/amdgpu: Simplify gfx_v9_0_wait_for_idle()
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index bbb5032..ec28da9 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2943,15 +2943,10 @@ static bool gfx_v9_0_is_idle(void *handle)
static int gfx_v9_0_wait_for_idle(void *handle)
{
unsigned i;
- u32 tmp;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
for (i = 0; i < adev->usec_timeout; i++) {
- /* read MC_STATUS */
- tmp = RREG32_SOC15(GC, 0, mmGRBM_STATUS) &
- GRBM_STATUS__GUI_ACTIVE_MASK;
-
- if (!REG_GET_FIELD(tmp, GRBM_STATUS, GUI_ACTIVE))
+ if (gfx_v9_0_is_idle(handle))
return 0;
udelay(1);
}
--
2.7.4
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