Re: [PATCH] drm: squash lines for simple wrapper functions

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Am 07.09.2016 um 01:04 schrieb Masahiro Yamada:
Remove unneeded variables and assignments.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>

Tom StDenis was working on a similar patch for amdgpu as well, please make sure that your work doesn't conflict with his.

Apart from that looks good to me. But I would prefer this to be split up per driver, cause I can't really give my rb on this patch when it touches drivers all over the place.

On the other hand feel free to add my Acked-by and merge it as general cleanup through Dave directly.

Regards,
Christian.

---

  drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c             |  6 +-----
  drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c            |  6 +-----
  drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c            |  6 +-----
  drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 20 ++++----------------
  drivers/gpu/drm/drm_dp_mst_topology.c             |  7 ++-----
  drivers/gpu/drm/i915/i915_drv.c                   |  8 +-------
  drivers/gpu/drm/qxl/qxl_draw.c                    |  7 ++-----
  drivers/gpu/drm/qxl/qxl_release.c                 |  7 ++-----
  drivers/gpu/drm/radeon/cik.c                      |  6 +-----
  drivers/gpu/drm/radeon/r100.c                     |  6 +-----
  drivers/gpu/drm/radeon/r600.c                     |  6 +-----
  11 files changed, 17 insertions(+), 68 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index b818461..0d5307a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -5854,11 +5854,7 @@ static int gfx_v8_0_set_clockgating_state(void *handle,
static u32 gfx_v8_0_ring_get_rptr_gfx(struct amdgpu_ring *ring)
  {
-	u32 rptr;
-
-	rptr = ring->adev->wb.wb[ring->rptr_offs];
-
-	return rptr;
+	return ring->adev->wb.wb[ring->rptr_offs];
  }
static u32 gfx_v8_0_ring_get_wptr_gfx(struct amdgpu_ring *ring)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index a64715d..b165c78 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -190,12 +190,8 @@ out:
   */
  static uint32_t sdma_v2_4_ring_get_rptr(struct amdgpu_ring *ring)
  {
-	u32 rptr;
-
  	/* XXX check if swapping is necessary on BE */
-	rptr = ring->adev->wb.wb[ring->rptr_offs] >> 2;
-
-	return rptr;
+	return ring->adev->wb.wb[ring->rptr_offs] >> 2;
  }
/**
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 653ce5e..cf253b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -335,12 +335,8 @@ out:
   */
  static uint32_t sdma_v3_0_ring_get_rptr(struct amdgpu_ring *ring)
  {
-	u32 rptr;
-
  	/* XXX check if swapping is necessary on BE */
-	rptr = ring->adev->wb.wb[ring->rptr_offs] >> 2;
-
-	return rptr;
+	return ring->adev->wb.wb[ring->rptr_offs] >> 2;
  }
/**
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
index 48030f0..d37d112 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
@@ -1073,34 +1073,22 @@ void analogix_dp_set_lane3_link_training(struct analogix_dp_device *dp,
u32 analogix_dp_get_lane0_link_training(struct analogix_dp_device *dp)
  {
-	u32 reg;
-
-	reg = readl(dp->reg_base + ANALOGIX_DP_LN0_LINK_TRAINING_CTL);
-	return reg;
+	return readl(dp->reg_base + ANALOGIX_DP_LN0_LINK_TRAINING_CTL);
  }
u32 analogix_dp_get_lane1_link_training(struct analogix_dp_device *dp)
  {
-	u32 reg;
-
-	reg = readl(dp->reg_base + ANALOGIX_DP_LN1_LINK_TRAINING_CTL);
-	return reg;
+	return readl(dp->reg_base + ANALOGIX_DP_LN1_LINK_TRAINING_CTL);
  }
u32 analogix_dp_get_lane2_link_training(struct analogix_dp_device *dp)
  {
-	u32 reg;
-
-	reg = readl(dp->reg_base + ANALOGIX_DP_LN2_LINK_TRAINING_CTL);
-	return reg;
+	return readl(dp->reg_base + ANALOGIX_DP_LN2_LINK_TRAINING_CTL);
  }
u32 analogix_dp_get_lane3_link_training(struct analogix_dp_device *dp)
  {
-	u32 reg;
-
-	reg = readl(dp->reg_base + ANALOGIX_DP_LN3_LINK_TRAINING_CTL);
-	return reg;
+	return readl(dp->reg_base + ANALOGIX_DP_LN3_LINK_TRAINING_CTL);
  }
void analogix_dp_reset_macro(struct analogix_dp_device *dp)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 04e4571..302bdcb 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -737,16 +737,13 @@ static void drm_dp_mst_put_payload_id(struct drm_dp_mst_topology_mgr *mgr,
  static bool check_txmsg_state(struct drm_dp_mst_topology_mgr *mgr,
  			      struct drm_dp_sideband_msg_tx *txmsg)
  {
-	bool ret;
-
  	/*
  	 * All updates to txmsg->state are protected by mgr->qlock, and the two
  	 * cases we check here are terminal states. For those the barriers
  	 * provided by the wake_up/wait_event pair are enough.
  	 */
-	ret = (txmsg->state == DRM_DP_SIDEBAND_TX_RX ||
-	       txmsg->state == DRM_DP_SIDEBAND_TX_TIMEOUT);
-	return ret;
+	return txmsg->state == DRM_DP_SIDEBAND_TX_RX ||
+	       txmsg->state == DRM_DP_SIDEBAND_TX_TIMEOUT;
  }
static int drm_dp_mst_wait_tx_reply(struct drm_dp_mst_branch *mstb,
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 95ddd56..59d029d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1361,13 +1361,7 @@ void i915_driver_unload(struct drm_device *dev)
static int i915_driver_open(struct drm_device *dev, struct drm_file *file)
  {
-	int ret;
-
-	ret = i915_gem_open(dev, file);
-	if (ret)
-		return ret;
-
-	return 0;
+	return i915_gem_open(dev, file);
  }
/**
diff --git a/drivers/gpu/drm/qxl/qxl_draw.c b/drivers/gpu/drm/qxl/qxl_draw.c
index ffe8853..9b728ed 100644
--- a/drivers/gpu/drm/qxl/qxl_draw.c
+++ b/drivers/gpu/drm/qxl/qxl_draw.c
@@ -57,11 +57,8 @@ static struct qxl_rect *drawable_set_clipping(struct qxl_device *qdev,
  static int
  alloc_drawable(struct qxl_device *qdev, struct qxl_release **release)
  {
-	int ret;
-	ret = qxl_alloc_release_reserved(qdev, sizeof(struct qxl_drawable),
-					 QXL_RELEASE_DRAWABLE, release,
-					 NULL);
-	return ret;
+	return qxl_alloc_release_reserved(qdev, sizeof(struct qxl_drawable),
+					  QXL_RELEASE_DRAWABLE, release, NULL);
  }
static void
diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
index f599cd0..cd83f05 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -203,12 +203,9 @@ qxl_release_free(struct qxl_device *qdev,
  static int qxl_release_bo_alloc(struct qxl_device *qdev,
  				struct qxl_bo **bo)
  {
-	int ret;
  	/* pin releases bo's they are too messy to evict */
-	ret = qxl_bo_create(qdev, PAGE_SIZE, false, true,
-			    QXL_GEM_DOMAIN_VRAM, NULL,
-			    bo);
-	return ret;
+	return qxl_bo_create(qdev, PAGE_SIZE, false, true,
+			     QXL_GEM_DOMAIN_VRAM, NULL, bo);
  }
int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo)
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 0c1b9ff..4da1140 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -4201,11 +4201,7 @@ u32 cik_gfx_get_rptr(struct radeon_device *rdev,
  u32 cik_gfx_get_wptr(struct radeon_device *rdev,
  		     struct radeon_ring *ring)
  {
-	u32 wptr;
-
-	wptr = RREG32(CP_RB0_WPTR);
-
-	return wptr;
+	return RREG32(CP_RB0_WPTR);
  }
void cik_gfx_set_wptr(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index f25994b..f5e84f4 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1071,11 +1071,7 @@ u32 r100_gfx_get_rptr(struct radeon_device *rdev,
  u32 r100_gfx_get_wptr(struct radeon_device *rdev,
  		      struct radeon_ring *ring)
  {
-	u32 wptr;
-
-	wptr = RREG32(RADEON_CP_RB_WPTR);
-
-	return wptr;
+	return RREG32(RADEON_CP_RB_WPTR);
  }
void r100_gfx_set_wptr(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 9247e7d..f034687 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2631,11 +2631,7 @@ u32 r600_gfx_get_rptr(struct radeon_device *rdev,
  u32 r600_gfx_get_wptr(struct radeon_device *rdev,
  		      struct radeon_ring *ring)
  {
-	u32 wptr;
-
-	wptr = RREG32(R600_CP_RB_WPTR);
-
-	return wptr;
+	return RREG32(R600_CP_RB_WPTR);
  }
void r600_gfx_set_wptr(struct radeon_device *rdev,


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