Just prep work, more will be done here in following patches.
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@xxxxxxxxx>
Cc: Haneen Mohammed <hamohammed.sa@xxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
---
drivers/gpu/drm/vkms/vkms_drv.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 738dd6206d85..f677ab1d0094 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <drm/drm_gem.h>
+#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_fb_helper.h>
@@ -58,6 +59,25 @@ static void vkms_release(struct drm_device *dev)
destroy_workqueue(vkms->output.crc_workq);
}
+static void vkms_atomic_commit_tail(struct drm_atomic_state *old_state)
+{
+ struct drm_device *dev = old_state->dev;
+
+ drm_atomic_helper_commit_modeset_disables(dev, old_state);
+
+ drm_atomic_helper_commit_planes(dev, old_state, 0);
+
+ drm_atomic_helper_commit_modeset_enables(dev, old_state);
+
+ drm_atomic_helper_fake_vblank(old_state);
+
+ drm_atomic_helper_commit_hw_done(old_state);
+
+ drm_atomic_helper_wait_for_vblanks(dev, old_state);
+
+ drm_atomic_helper_cleanup_planes(dev, old_state);
+}
+
static struct drm_driver vkms_driver = {
.driver_features = DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_GEM,
.release = vkms_release,
@@ -80,6 +100,10 @@ static const struct drm_mode_config_funcs vkms_mode_funcs = {
.atomic_commit = drm_atomic_helper_commit,
};
+static const struct drm_mode_config_helper_funcs vkms_mode_config_helpers = {
+ .atomic_commit_tail = vkms_atomic_commit_tail,
+};
+
static int vkms_modeset_init(struct vkms_device *vkmsdev)
{
struct drm_device *dev = &vkmsdev->drm;
@@ -91,6 +115,7 @@ static int vkms_modeset_init(struct vkms_device *vkmsdev)
dev->mode_config.max_width = XRES_MAX;
dev->mode_config.max_height = YRES_MAX;
dev->mode_config.preferred_depth = 24;
+ dev->mode_config.helper_private = &vkms_mode_config_helpers;
return vkms_output_init(vkmsdev);
}
--
2.20.1
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