Commit dd6ec895 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Extract intel_crtc_prepare_vblank_event() 



Extract the code for staging the vblank event for the
flip done interrupt handler. We'll reuse this for DSB
stuff later.

Reviewed-by: default avatarAnimesh Manna <animesh.manna@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930170415.23841-11-ville.syrjala@linux.intel.com
parent 08222ca1

drivers/gpu/drm/i915/display/intel_crtc.c

+15 −6
Original line number Diff line number Diff line
@@ -521,12 +521,8 @@ void intel_pipe_update_start(struct intel_atomic_state *state, 
	intel_psr_lock(new_crtc_state);



	if (new_crtc_state->do_async_flip) {

		spin_lock_irq(&crtc->base.dev->event_lock);

		/* arm the event for the flip done irq handler */

		crtc->flip_done_event = new_crtc_state->uapi.event;

		spin_unlock_irq(&crtc->base.dev->event_lock);



		new_crtc_state->uapi.event = NULL;

		intel_crtc_prepare_vblank_event(new_crtc_state,

						&crtc->flip_done_event);

		return;

	}
@@ -626,6 +622,19 @@ void intel_crtc_arm_vblank_event(struct intel_crtc_state *crtc_state) 
	crtc_state->uapi.event = NULL;

}



void intel_crtc_prepare_vblank_event(struct intel_crtc_state *crtc_state,

				     struct drm_pending_vblank_event **event)

{

	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);

	unsigned long irqflags;



	spin_lock_irqsave(&crtc->base.dev->event_lock, irqflags);

	*event = crtc_state->uapi.event;

	spin_unlock_irqrestore(&crtc->base.dev->event_lock, irqflags);



	crtc_state->uapi.event = NULL;

}



/**

 * intel_pipe_update_end() - end update of a set of display registers

 * @state: the atomic state

drivers/gpu/drm/i915/display/intel_crtc.h

+3 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ struct drm_device; 
struct drm_display_mode;

struct drm_file;

struct drm_i915_private;

struct drm_pending_vblank_event;

struct intel_atomic_state;

struct intel_crtc;

struct intel_crtc_state;
@@ -34,6 +35,8 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, 
int intel_scanlines_to_usecs(const struct drm_display_mode *adjusted_mode,

			     int scanlines);

void intel_crtc_arm_vblank_event(struct intel_crtc_state *crtc_state);

void intel_crtc_prepare_vblank_event(struct intel_crtc_state *crtc_state,

				     struct drm_pending_vblank_event **event);

u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state);

int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe);

int intel_crtc_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,