drm/radeon: Remove unnecessary (void*) conversions

No need cast (void*) to (struct radeon_device *)
or (struct radeon_ring *).
Signed-off-by: Su Hui <suhui@nfschina.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/r100.c

@@ -2929,7 +2929,7 @@ static void r100_set_safe_registers(struct radeon_device *rdev)
 #if defined(CONFIG_DEBUG_FS)
 static int r100_debugfs_rbbm_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	uint32_t reg, value;
 	unsigned i;
 
@@ -2948,7 +2948,7 @@ static int r100_debugfs_rbbm_info_show(struct seq_file *m, void *unused)
 
 static int r100_debugfs_cp_ring_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 	uint32_t rdp, wdp;
 	unsigned count, i, j;
@@ -2974,7 +2974,7 @@ static int r100_debugfs_cp_ring_info_show(struct seq_file *m, void *unused)
 
 static int r100_debugfs_cp_csq_fifo_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	uint32_t csq_stat, csq2_stat, tmp;
 	unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
 	unsigned i;
@@ -3022,7 +3022,7 @@ static int r100_debugfs_cp_csq_fifo_show(struct seq_file *m, void *unused)
 
 static int r100_debugfs_mc_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(RADEON_CONFIG_MEMSIZE);

drivers/gpu/drm/radeon/r300.c

@@ -589,7 +589,7 @@ int rv370_get_pcie_lanes(struct radeon_device *rdev)
 #if defined(CONFIG_DEBUG_FS)
 static int rv370_debugfs_pcie_gart_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	uint32_t tmp;
 
 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);

drivers/gpu/drm/radeon/r420.c

@@ -474,7 +474,7 @@ int r420_init(struct radeon_device *rdev)
 #if defined(CONFIG_DEBUG_FS)
 static int r420_debugfs_pipes_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(R400_GB_PIPE_SELECT);

drivers/gpu/drm/radeon/r600.c

@@ -4345,7 +4345,7 @@ int r600_irq_process(struct radeon_device *rdev)
 
 static int r600_debugfs_mc_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 
 	DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
 	DREG32_SYS(m, rdev, VM_L2_STATUS);

drivers/gpu/drm/radeon/radeon_fence.c

@@ -955,7 +955,7 @@ void radeon_fence_driver_force_completion(struct radeon_device *rdev, int ring)
 #if defined(CONFIG_DEBUG_FS)
 static int radeon_debugfs_fence_info_show(struct seq_file *m, void *data)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	int i, j;
 
 	for (i = 0; i < RADEON_NUM_RINGS; ++i) {

drivers/gpu/drm/radeon/radeon_gem.c

@@ -879,7 +879,7 @@ int radeon_mode_dumb_create(struct drm_file *file_priv,
 #if defined(CONFIG_DEBUG_FS)
 static int radeon_debugfs_gem_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	struct radeon_bo *rbo;
 	unsigned i = 0;
 

drivers/gpu/drm/radeon/radeon_ib.c

@@ -292,7 +292,7 @@ int radeon_ib_ring_tests(struct radeon_device *rdev)
 
 static int radeon_debugfs_sa_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 
 	radeon_sa_bo_dump_debug_info(&rdev->ring_tmp_bo, m);
 

drivers/gpu/drm/radeon/radeon_pm.c

@@ -1916,7 +1916,7 @@ static void radeon_dynpm_idle_work_handler(struct work_struct *work)
 
 static int radeon_debugfs_pm_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	struct drm_device *ddev = rdev->ddev;
 
 	if  ((rdev->flags & RADEON_IS_PX) &&

drivers/gpu/drm/radeon/radeon_ring.c

@@ -464,7 +464,7 @@ void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *ring)
 
 static int radeon_debugfs_ring_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_ring *ring = (struct radeon_ring *) m->private;
+	struct radeon_ring *ring = m->private;
 	struct radeon_device *rdev = ring->rdev;
 
 	uint32_t rptr, wptr, rptr_next;

drivers/gpu/drm/radeon/radeon_ttm.c

@@ -780,7 +780,7 @@ void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size)
 
 static int radeon_ttm_page_pool_show(struct seq_file *m, void *data)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 
 	return ttm_pool_debugfs(&rdev->mman.bdev.pool, m);
 }

drivers/gpu/drm/radeon/rs400.c

@@ -307,7 +307,7 @@ void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 #if defined(CONFIG_DEBUG_FS)
 static int rs400_debugfs_gart_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(RADEON_HOST_PATH_CNTL);

drivers/gpu/drm/radeon/rv515.c

@@ -221,7 +221,7 @@ void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 #if defined(CONFIG_DEBUG_FS)
 static int rv515_debugfs_pipes_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(GB_PIPE_SELECT);
@@ -237,7 +237,7 @@ static int rv515_debugfs_pipes_info_show(struct seq_file *m, void *unused)
 
 static int rv515_debugfs_ga_info_show(struct seq_file *m, void *unused)
 {
-	struct radeon_device *rdev = (struct radeon_device *)m->private;
+	struct radeon_device *rdev = m->private;
 	uint32_t tmp;
 
 	tmp = RREG32(0x2140);