From 8ba6c8ff3550f5ff51e323f03d07d481b64f50cf Mon Sep 17 00:00:00 2001 From: Tom St Denis Date: Tue, 15 Dec 2015 10:35:56 -0500 Subject: [PATCH 0145/1110] amdgpu/vce3: Simplify idle and wait for idle code MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit More LOC reductions in VCE3 code. This patch simplifies the is_idle and wait_for_idle logic. Signed-off-by: Tom St Denis Reviewed-by: Christian König --- drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 30 +++++------------------------- 1 file changed, 5 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index 0de86de..f20529d 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -535,17 +535,9 @@ static bool vce_v3_0_is_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; u32 mask = 0; - int idx; - - for (idx = 0; idx < 2; ++idx) { - if (adev->vce.harvest_config & (1 << idx)) - continue; - if (idx == 0) - mask |= SRBM_STATUS2__VCE0_BUSY_MASK; - else - mask |= SRBM_STATUS2__VCE1_BUSY_MASK; - } + mask |= (adev->vce.harvest_config & (1<<0)) ? 0 : SRBM_STATUS2__VCE0_BUSY_MASK; + mask |= (adev->vce.harvest_config & (1<<1)) ? 0 : SRBM_STATUS2__VCE1_BUSY_MASK; return !(RREG32(mmSRBM_STATUS2) & mask); } @@ -554,23 +546,11 @@ static int vce_v3_0_wait_for_idle(void *handle) { unsigned i; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - u32 mask = 0; - int idx; - for (idx = 0; idx < 2; ++idx) { - if (adev->vce.harvest_config & (1 << idx)) - continue; - - if (idx == 0) - mask |= SRBM_STATUS2__VCE0_BUSY_MASK; - else - mask |= SRBM_STATUS2__VCE1_BUSY_MASK; - } - - for (i = 0; i < adev->usec_timeout; i++) { - if (!(RREG32(mmSRBM_STATUS2) & mask)) + for (i = 0; i < adev->usec_timeout; i++) + if (vce_v3_0_is_idle(handle)) return 0; - } + return -ETIMEDOUT; } -- 2.7.4