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drm/rockchip: logo: Warn when logo memory alignment is not expected

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Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Change-Id: I7b2068e4d322f78a691746eaf529e0eb73457894
This commit is contained in:
Sandy Huang
2023-05-12 09:43:39 +08:00
parent cfa1b266b1
commit 3262ff397d
1 changed files with 10 additions and 1 deletions
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11
drivers/gpu/drm/rockchip/rockchip_drm_logo.c
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@@ -205,7 +205,7 @@ void rockchip_free_loader_memory(struct drm_device *drm)
}
memblock_free(logo->start, logo->size);
rockchip_drm_free_reserved_area(logo->dma_addr, logo->dma_addr + logo->size,
rockchip_drm_free_reserved_area(logo->start, logo->start + logo->size,
-1, "drm_logo");
kfree(logo);
private->logo = NULL;
@@ -240,6 +240,11 @@ static int init_loader_memory(struct drm_device *drm_dev)
size = resource_size(&res);
if (!size)
return -ENOMEM;
if (!IS_ALIGNED(res.start, PAGE_SIZE) || !IS_ALIGNED(size, PAGE_SIZE))
DRM_ERROR("Reserved logo memory should be aligned as:0x%lx, cureent is:start[%pad] size[%pad]\n",
PAGE_SIZE, &res.start, &size);
if (pg_size != PAGE_SIZE)
DRM_WARN("iommu page size[0x%x] isn't equal to OS page size[0x%lx]\n", pg_size, PAGE_SIZE);
logo = kmalloc(sizeof(*logo), GFP_KERNEL);
if (!logo)
@@ -260,6 +265,7 @@ static int init_loader_memory(struct drm_device *drm_dev)
}
logo->dma_addr = start;
logo->start = res.start;
logo->size = size;
logo->count = 1;
private->logo = logo;
@@ -279,6 +285,9 @@ static int init_loader_memory(struct drm_device *drm_dev)
size = resource_size(&res);
if (!size)
return 0;
if (!IS_ALIGNED(res.start, PAGE_SIZE) || !IS_ALIGNED(size, PAGE_SIZE))
DRM_ERROR("Reserved drm cubic memory should be aligned as:0x%lx, cureent is:start[%pad] size[%pad]\n",
PAGE_SIZE, &res.start, &size);
private->cubic_lut_kvaddr = phys_to_virt(start);
if (private->domain) {