mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-08 09:12:39 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915: Extract intel_crtc_prepare_vblank_event()

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

Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930170415.23841-11-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä
2024-09-30 20:04:12 +03:00
parent 08222ca194
commit dd6ec895ba
2 changed files with 18 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/gpu/drm/i915/display/intel_crtc.c
View File

@@ -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

3
drivers/gpu/drm/i915/display/intel_crtc.h
View File

@@ -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,