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From 8ba6c8ff3550f5ff51e323f03d07d481b64f50cf Mon Sep 17 00:00:00 2001
From: Tom St Denis <tom.stdenis@amd.com>
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 <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
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
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