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drm/sun4i: framebuffer: Add a custom atomic_check 

In order to support normalized zpos, we need to call
drm_atomic_normalize_zpos in our driver's drm_mode_config_funcs'
atomic_check.

Let's duplicate the definition of drm_atomic_helper_check for now.

Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/67cb4ca9889e6bf29314db37127ff15eed279c53.1516617243.git-series.maxime.ripard@free-electrons.com
This commit is contained in:
Maxime Ripard 2017-12-17 18:06:05 +01:00
parent 1184e09e01
commit b8f1230dd3
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1 changed files with 13 additions and 1 deletions
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14
drivers/gpu/drm/sun4i/sun4i_framebuffer.c
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@ -20,9 +20,21 @@
#include "sun4i_drv.h" #include "sun4i_drv.h"
#include "sun4i_framebuffer.h" #include "sun4i_framebuffer.h"
static int sun4i_de_atomic_check(struct drm_device *dev,
struct drm_atomic_state *state)
{
int ret;
ret = drm_atomic_helper_check_modeset(dev, state);
if (ret)
return ret;
return drm_atomic_helper_check_planes(dev, state);
}
static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = { static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
.output_poll_changed = drm_fb_helper_output_poll_changed, .output_poll_changed = drm_fb_helper_output_poll_changed,
.atomic_check = drm_atomic_helper_check, .atomic_check = sun4i_de_atomic_check,
.atomic_commit = drm_atomic_helper_commit, .atomic_commit = drm_atomic_helper_commit,
.fb_create = drm_gem_fb_create, .fb_create = drm_gem_fb_create,
}; };