Am 07.08.2014 um 17:01 schrieb Jerome Glisse:
> On Thu, Aug 07, 2014 at 04:30:33PM +0200, Christian K?nig wrote:
>> From: Christian K?nig <christian.koenig at amd.com>
>
> Can we get proper change log with motivation for doing that, use case,
> why it can not be done any other ways ...
>
> Change log is invaluable information and empty change log is the worst
> thing ever.
Yeah, sorry. Actually wanted to send out only the first one to get an
opinion on that before proceeding.
Going to add a proper commit message,
Christian.
>
>> Signed-off-by: Christian K?nig <christian.koenig at amd.com>
>> ---
>> drivers/gpu/drm/radeon/radeon_drv.c | 3 ++-
>> drivers/gpu/drm/radeon/radeon_object.c | 2 +-
>> drivers/gpu/drm/radeon/radeon_vm.c | 3 +++
>> 3 files changed, 6 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/radeon/radeon_drv.c
>> b/drivers/gpu/drm/radeon/radeon_drv.c
>> index a773830..f788170 100644
>> --- a/drivers/gpu/drm/radeon/radeon_drv.c
>> +++ b/drivers/gpu/drm/radeon/radeon_drv.c
>> @@ -84,9 +84,10 @@
>> * 2.39.0 - Add INFO query for number of active CUs
>> * 2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
>> * CS to GPU
>> + * 2.41.0 - Allow zero sized BOs
>> */
>> #define KMS_DRIVER_MAJOR 2
>> -#define KMS_DRIVER_MINOR 40
>> +#define KMS_DRIVER_MINOR 41
>> #define KMS_DRIVER_PATCHLEVEL 0
>> int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
>> int radeon_driver_unload_kms(struct drm_device *dev);
>> diff --git a/drivers/gpu/drm/radeon/radeon_object.c
>> b/drivers/gpu/drm/radeon/radeon_object.c
>> index 480c87d..9dd670e 100644
>> --- a/drivers/gpu/drm/radeon/radeon_object.c
>> +++ b/drivers/gpu/drm/radeon/radeon_object.c
>> @@ -154,7 +154,7 @@ int radeon_bo_create(struct radeon_device *rdev,
>>
>> size = ALIGN(size, PAGE_SIZE);
>>
>> - if (kernel) {
>> + if (kernel || size == 0) {
>> type = ttm_bo_type_kernel;
>> } else if (sg) {
>> type = ttm_bo_type_sg;
>> diff --git a/drivers/gpu/drm/radeon/radeon_vm.c
>> b/drivers/gpu/drm/radeon/radeon_vm.c
>> index ccae4d9..a80f856 100644
>> --- a/drivers/gpu/drm/radeon/radeon_vm.c
>> +++ b/drivers/gpu/drm/radeon/radeon_vm.c
>> @@ -877,6 +877,9 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
>> uint32_t flags;
>> int r;
>>
>> + if (bo_va->bo && radeon_bo_size(bo_va->bo) == 0)
>> + return 0;
>> +
>> if (!bo_va->it.start) {
>> dev_err(rdev->dev, "bo %p don't has a mapping in vm %p\n",
>> bo_va->bo, vm);
>> --
>> 1.9.1
>>
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
