On Fri, May 28, 2021 at 11:30:35PM +0300, Roman Stratiienko wrote:
Create callback to allow updating engine's registers on mode change.
Signed-off-by: Roman Stratiienko r.stratiienko@gmail.com Reviewed-by: Jernej Skrabec jernej.skrabec@siol.net
drivers/gpu/drm/sun4i/sun4i_crtc.c | 3 +++ drivers/gpu/drm/sun4i/sunxi_engine.h | 12 ++++++++++++ 2 files changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c index 45d9eb552d86..8f01a6b2bbef 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -146,6 +146,9 @@ static void sun4i_crtc_mode_set_nofb(struct drm_crtc *crtc) struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);
sun4i_tcon_mode_set(scrtc->tcon, encoder, mode);
- if (scrtc->engine->ops->mode_set)
scrtc->engine->ops->mode_set(scrtc->engine, mode);}
static const struct drm_crtc_helper_funcs sun4i_crtc_helper_funcs = { diff --git a/drivers/gpu/drm/sun4i/sunxi_engine.h b/drivers/gpu/drm/sun4i/sunxi_engine.h index 548710a936d5..7faa844646ff 100644 --- a/drivers/gpu/drm/sun4i/sunxi_engine.h +++ b/drivers/gpu/drm/sun4i/sunxi_engine.h @@ -9,6 +9,7 @@ struct drm_plane; struct drm_device; struct drm_crtc_state; +struct drm_display_mode;
struct sunxi_engine;
@@ -108,6 +109,17 @@ struct sunxi_engine_ops { * This function is optional. */ void (*vblank_quirk)(struct sunxi_engine *engine);
- /**
* @mode_set:** This callback is used to update engine registers that* responsible for display frame size and other mode attributes.
This sentence needs a little grammatical fixup.
** This function is optional.*/- void (*mode_set)(struct sunxi_engine *engine,
struct drm_display_mode *mode);};
/**
2.30.2
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