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authorMaxime Ripard <maxime.ripard@free-electrons.com>2017-12-17 18:06:05 +0100
committerMaxime Ripard <maxime.ripard@free-electrons.com>2018-01-29 14:02:36 +0100
commitb8f1230dd3bf99a77b74ea87a57d45422a5981cf (patch)
treefa548d49ff5e993d1b5d8c125db67d947cbdefa2 /drivers
parent1184e09e019c3ebc657c2a9cfe51edcb19d9de10 (diff)
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
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_framebuffer.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
index cf52fa7f495e..973ee1fc95c9 100644
--- a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
@@ -20,9 +20,21 @@
#include "sun4i_drv.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 = {
.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,
.fb_create = drm_gem_fb_create,
};