drm/amd/amdgpu: Fix warnings in amdgpu/amdgpu_display.c

[ Upstream commit 93125cb704919f572c01e02ef64923caff1c3164 ]

Fixes the below checkpatch.pl warnings:

WARNING: Block comments use * on subsequent lines
WARNING: Block comments use a trailing */ on a separate line
WARNING: suspect code indent for conditional statements (8, 12)
WARNING: braces {} are not necessary for single statement blocks

Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: c6df7f313794 ("drm/amdgpu: correct the amdgpu runtime dereference usage count")
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 2fced45..ee528ed 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -90,7 +90,7 @@ static void amdgpu_display_flip_work_func(struct work_struct *__work)
 
        struct drm_crtc *crtc = &amdgpu_crtc->base;
        unsigned long flags;
-       unsigned i;
+       unsigned int i;
        int vpos, hpos;
 
        for (i = 0; i < work->shared_count; ++i)
@@ -167,7 +167,7 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc,
        u64 tiling_flags;
        int i, r;
 
-       work = kzalloc(sizeof *work, GFP_KERNEL);
+       work = kzalloc(sizeof(*work), GFP_KERNEL);
        if (work == NULL)
                return -ENOMEM;
 
@@ -298,13 +298,15 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set,
 
        adev = drm_to_adev(dev);
        /* if we have active crtcs and we don't have a power ref,
-          take the current one */
+        * take the current one
+        */
        if (active && !adev->have_disp_power_ref) {
                adev->have_disp_power_ref = true;
                return ret;
        }
        /* if we have no active crtcs, then drop the power ref
-          we got before */
+        * we got before
+        */
        if (!active && adev->have_disp_power_ref) {
                pm_runtime_put_autosuspend(dev->dev);
                adev->have_disp_power_ref = false;
@@ -473,11 +475,10 @@ bool amdgpu_display_ddc_probe(struct amdgpu_connector *amdgpu_connector,
        if (amdgpu_connector->router.ddc_valid)
                amdgpu_i2c_router_select_ddc_port(amdgpu_connector);
 
-       if (use_aux) {
+       if (use_aux)
                ret = i2c_transfer(&amdgpu_connector->ddc_bus->aux.ddc, msgs, 2);
-       } else {
+       else
                ret = i2c_transfer(&amdgpu_connector->ddc_bus->adapter, msgs, 2);
-       }
 
        if (ret != 2)
                /* Couldn't find an accessible DDC on this connector */
@@ -486,10 +487,12 @@ bool amdgpu_display_ddc_probe(struct amdgpu_connector *amdgpu_connector,
         * EDID header starts with:
         * 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00.
         * Only the first 6 bytes must be valid as
-        * drm_edid_block_valid() can fix the last 2 bytes */
+        * drm_edid_block_valid() can fix the last 2 bytes
+        */
        if (drm_edid_header_is_valid(buf) < 6) {
                /* Couldn't find an accessible EDID on this
-                * connector */
+                * connector
+                */
                return false;
        }
        return true;
@@ -1204,8 +1207,10 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 
        obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
        if (obj ==  NULL) {
-               drm_dbg_kms(dev, "No GEM object associated to handle 0x%08X, "
-                           "can't create framebuffer\n", mode_cmd->handles[0]);
+               drm_dbg_kms(dev,
+                           "No GEM object associated to handle 0x%08X, can't create framebuffer\n",
+                           mode_cmd->handles[0]);
+
                return ERR_PTR(-ENOENT);
        }
 
@@ -1398,6 +1403,7 @@ bool amdgpu_display_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
        }
        if (amdgpu_crtc->rmx_type != RMX_OFF) {
                fixed20_12 a, b;
+
                a.full = dfixed_const(src_v);
                b.full = dfixed_const(dst_v);
                amdgpu_crtc->vsc.full = dfixed_div(a, b);
@@ -1417,7 +1423,7 @@ bool amdgpu_display_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
  *
  * \param dev Device to query.
  * \param pipe Crtc to query.
- * \param flags Flags from caller (DRM_CALLED_FROM_VBLIRQ or 0).
+ * \param flags from caller (DRM_CALLED_FROM_VBLIRQ or 0).
  *              For driver internal use only also supports these flags:
  *
  *              USE_REAL_VBLANKSTART to use the real start of vblank instead
@@ -1493,8 +1499,8 @@ int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev,
 
        /* Called from driver internal vblank counter query code? */
        if (flags & GET_DISTANCE_TO_VBLANKSTART) {
-           /* Caller wants distance from real vbl_start in *hpos */
-           *hpos = *vpos - vbl_start;
+               /* Caller wants distance from real vbl_start in *hpos */
+               *hpos = *vpos - vbl_start;
        }
 
        /* Fudge vblank to start a few scanlines earlier to handle the
@@ -1516,7 +1522,7 @@ int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev,
 
        /* In vblank? */
        if (in_vbl)
-           ret |= DRM_SCANOUTPOS_IN_VBLANK;
+               ret |= DRM_SCANOUTPOS_IN_VBLANK;
 
        /* Called from driver internal vblank counter query code? */
        if (flags & GET_DISTANCE_TO_VBLANKSTART) {
@@ -1622,6 +1628,7 @@ int amdgpu_display_suspend_helper(struct amdgpu_device *adev)
 
                if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) {
                        struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
+
                        r = amdgpu_bo_reserve(aobj, true);
                        if (r == 0) {
                                amdgpu_bo_unpin(aobj);
@@ -1629,9 +1636,9 @@ int amdgpu_display_suspend_helper(struct amdgpu_device *adev)
                        }
                }
 
-               if (fb == NULL || fb->obj[0] == NULL) {
+               if (!fb || !fb->obj[0])
                        continue;
-               }
+
                robj = gem_to_amdgpu_bo(fb->obj[0]);
                if (!amdgpu_display_robj_is_fb(adev, robj)) {
                        r = amdgpu_bo_reserve(robj, true);
@@ -1658,6 +1665,7 @@ int amdgpu_display_resume_helper(struct amdgpu_device *adev)
 
                if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) {
                        struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
+
                        r = amdgpu_bo_reserve(aobj, true);
                        if (r == 0) {
                                r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);