This is a note to let you know that I've just added the patch titled
drm/amd/amdgpu: Fix warnings in amdgpu/amdgpu_display.c
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-amdgpu-fix-warnings-in-amdgpu-amdgpu_display.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1cbb792bf183d92dcdffc97e05e9505dbc331698
Author: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
Date: Tue Jul 18 12:28:37 2023 +0530
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@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Stable-dep-of: c6df7f313794 ("drm/amdgpu: correct the amdgpu runtime dereference usage count")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index d2286a83e302f..2952f89734487 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -80,7 +80,7 @@ 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;
if (amdgpu_display_flip_handle_fence(work, &work->excl))
@@ -159,7 +159,7 @@ 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;
@@ -290,13 +290,15 @@ 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;
@@ -465,11 +467,10 @@ 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 */
@@ -478,10 +479,12 @@ 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;
@@ -1189,8 +1192,10 @@ 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);
}
@@ -1384,6 +1389,7 @@ 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);
@@ -1403,7 +1409,7 @@ 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
@@ -1479,8 +1485,8 @@ 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
@@ -1502,7 +1508,7 @@ 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) {
@@ -1593,6 +1599,7 @@ 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);
@@ -1600,9 +1607,9 @@ 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]);
/* don't unpin kernel fb objects */
if (!amdgpu_fbdev_robj_is_fb(adev, robj)) {
@@ -1630,6 +1637,7 @@ 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);
