From: Gustavo Padovan gustavo.padovan@collabora.co.uk
The new atomic infrastructure needs the .mode_set_nofb() callback to update CRTC timings before setting any plane.
Signed-off-by: Gustavo Padovan gustavo.padovan@collabora.co.uk --- drivers/gpu/drm/exynos/exynos_drm_crtc.c | 61 ++++++++------------------------ 1 file changed, 14 insertions(+), 47 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index f231eb8..8d7fc7b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -84,15 +84,16 @@ exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc, return true; }
-static int -exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, int x, int y, - struct drm_framebuffer *old_fb) +static void +exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) { - struct drm_framebuffer *fb = crtc->primary->fb; - unsigned int crtc_w; - unsigned int crtc_h; - int ret; + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); + struct drm_display_mode *adjusted_mode; + + if (WARN_ON(!crtc->state)) + return; + + adjusted_mode = &crtc->state->adjusted_mode;
/* * copy the mode data adjusted by mode_fixup() into crtc->mode @@ -100,43 +101,8 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, */ memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode));
- ret = exynos_check_plane(crtc->primary, fb); - if (ret < 0) - return ret; - - crtc_w = fb->width - x; - crtc_h = fb->height - y; - exynos_plane_mode_set(crtc->primary, crtc, fb, 0, 0, - crtc_w, crtc_h, x, y, crtc_w, crtc_h); - - return 0; -} - -static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb) -{ - struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); - struct drm_framebuffer *fb = crtc->primary->fb; - unsigned int crtc_w; - unsigned int crtc_h; - int ret; - - /* when framebuffer changing is requested, crtc's dpms should be on */ - if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { - DRM_ERROR("failed framebuffer changing request.\n"); - return -EPERM; - } - - ret = exynos_check_plane(crtc->primary, fb); - if (ret) - return ret; - - crtc_w = fb->width - x; - crtc_h = fb->height - y; - exynos_update_plane(crtc->primary, crtc, fb, 0, 0, - crtc_w, crtc_h, x, y, crtc_w, crtc_h); - - return 0; + if (exynos_crtc->ops->commit) + exynos_crtc->ops->commit(exynos_crtc); }
static void exynos_drm_crtc_disable(struct drm_crtc *crtc) @@ -193,8 +159,9 @@ static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { .prepare = exynos_drm_crtc_prepare, .commit = exynos_drm_crtc_commit, .mode_fixup = exynos_drm_crtc_mode_fixup, - .mode_set = exynos_drm_crtc_mode_set, - .mode_set_base = exynos_drm_crtc_mode_set_base, + .mode_set = drm_helper_crtc_mode_set, + .mode_set_nofb = exynos_drm_crtc_mode_set_nofb, + .mode_set_base = drm_helper_crtc_mode_set_base, .disable = exynos_drm_crtc_disable, .atomic_begin = exynos_crtc_atomic_begin, .atomic_flush = exynos_crtc_atomic_flush,