[PATCH v10 07/11] drm/etnaviv: Add support for the dma coherent device

[Sui Jingfeng]

On 2023/6/21 18:00, Lucas Stach wrote:
>>   	/* list of GEM objects: */
>>   	struct mutex gem_lock;
>>   	struct list_head gem_list;
>> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
>> index b5f73502e3dd..39bdc3774f2d 100644
>> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
>> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
>> @@ -343,6 +343,7 @@ void *etnaviv_gem_vmap(struct drm_gem_object *obj)
>>   static void *etnaviv_gem_vmap_impl(struct etnaviv_gem_object *obj)
>>   {
>>   	struct page **pages;
>> +	pgprot_t prot;
>>   
>>   	lockdep_assert_held(&obj->lock);
>>   
>> @@ -350,8 +351,19 @@ static void *etnaviv_gem_vmap_impl(struct etnaviv_gem_object *obj)
>>   	if (IS_ERR(pages))
>>   		return NULL;
>>   
>> -	return vmap(pages, obj->base.size >> PAGE_SHIFT,
>> -			VM_MAP, pgprot_writecombine(PAGE_KERNEL));
>> +	switch (obj->flags) {
> switch (obj->flags & ETNA_BO_CACHE_MASK)
>
This is certainly OK, acceptable!

-- 
Jingfeng