Hi Thomas.
On Fri, May 22, 2020 at 03:52:30PM +0200, Thomas Zimmermann wrote:
> The atmel-hlcdc driver uses the default implementation for CMA functions. The
> DRM_GEM_CMA_DRIVER_OPS macro now sets these defaults in struct drm_driver.
> All remaining operations are provided by CMA GEM object functions.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> ---
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 11 +----------
> 1 file changed, 1 insertion(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> index 112aa5066ceed..871293d1aeeba 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> @@ -821,16 +821,7 @@ static struct drm_driver atmel_hlcdc_dc_driver = {
> .irq_preinstall = atmel_hlcdc_dc_irq_uninstall,
> .irq_postinstall = atmel_hlcdc_dc_irq_postinstall,
> .irq_uninstall = atmel_hlcdc_dc_irq_uninstall,
> - .gem_free_object_unlocked = drm_gem_cma_free_object,
> - .gem_vm_ops = &drm_gem_cma_vm_ops,
> - .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
> - .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
> - .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table,
> - .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
> - .gem_prime_vmap = drm_gem_cma_prime_vmap,
> - .gem_prime_vunmap = drm_gem_cma_prime_vunmap,
> - .gem_prime_mmap = drm_gem_cma_prime_mmap,
When using DRM_GEM_CMA_DRIVER_OPS gem_prime_mmap is set to
drm_gem_prime_mmap.
Why is this the same as drm_gem_cma_prime_mmap?
Maybe this is all obvious when you know all the CMA stuff,
but this puzzeled me.
Sam
> - .dumb_create = drm_gem_cma_dumb_create,
> + DRM_GEM_CMA_DRIVER_OPS,
> .fops = &fops,
> .name = "atmel-hlcdc",
> .desc = "Atmel HLCD Controller DRM",
> --
> 2.26.2
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