[PATCH 1/5] drm/amdgpu: use gmc_v7_0_is_idle() since it is available under GMC7

[Alexandre Demers <alexandre.f.demers@gmail.com>]

gmc_v7_0_is_idle() does exactly what we need, so use it.

Signed-off-by: Alexandre Demers <alexandre.f.demers@gmail.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index b6016f11956e..1a8df3caedb1 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -1156,17 +1156,10 @@ static bool gmc_v7_0_is_idle(void *handle)
 static int gmc_v7_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
 {
 	unsigned int i;
-	u32 tmp;
 	struct amdgpu_device *adev = ip_block->adev;
 
 	for (i = 0; i < adev->usec_timeout; i++) {
-		/* read MC_STATUS */
-		tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
-					       SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
-					       SRBM_STATUS__MCC_BUSY_MASK |
-					       SRBM_STATUS__MCD_BUSY_MASK |
-					       SRBM_STATUS__VMC_BUSY_MASK);
-		if (!tmp)
+		if (gmc_v7_0_is_idle(adev))
 			return 0;
 		udelay(1);
 	}
-- 
2.49.0