[PATCH 14/14] drm/amd/amdgpu: Simplify gfx_v9_0_wait_for_idle()

Tom St Denis tom.stdenis at amd.com
Thu Aug 31 16:06:45 UTC 2017


Signed-off-by: Tom St Denis <tom.stdenis at 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 9445a8fd13ba..00f082b0838f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2930,15 +2930,10 @@ 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);
 	}
-- 
2.12.0



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