Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2099deff authored by Maarten Lankhorst's avatar Maarten Lankhorst
Browse files

drm/i915: Pass atomic states to fbc update functions. 



This is required to let fbc updates run async. It has a lot of
checks whether certain locks are taken, which can be removed when
the relevant states are passed in as pointers.

Signed-off-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-17-git-send-email-maarten.lankhorst@linux.intel.com


Reviewed-by: default avatarPatrik Jakobsson <patrik.jakobsson@linux.intel.com>
parent ee7171af

drivers/gpu/drm/i915/intel_display.c

+5 −3
Original line number Diff line number Diff line
@@ -4589,7 +4589,7 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state) 
		struct intel_plane_state *old_primary_state =

			to_intel_plane_state(old_pri_state);



		intel_fbc_pre_update(crtc);

		intel_fbc_pre_update(crtc, pipe_config, primary_state);



		if (old_primary_state->visible &&

		    (modeset || !primary_state->visible))
@@ -11169,7 +11169,9 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, 
	if (obj->base.dma_buf)

		work->old_plane_state[0]->base.fence = intel_get_excl_fence(obj);



	intel_fbc_pre_update(intel_crtc);

	intel_fbc_pre_update(intel_crtc,

			     to_intel_crtc_state(new_crtc_state),

			     to_intel_plane_state(new_state));



	schedule_work(&work->mmio_work);
@@ -13126,7 +13128,7 @@ static int intel_atomic_commit(struct drm_device *dev, 


		if (crtc->state->active &&

		    drm_atomic_get_existing_plane_state(state, crtc->primary))

			intel_fbc_enable(intel_crtc);

			intel_fbc_enable(intel_crtc, pipe_config, to_intel_plane_state(crtc->primary->state));



		if (crtc->state->active &&

		    (crtc->state->planes_changed || update_pipe))

drivers/gpu/drm/i915/intel_drv.h

+6 −2
Original line number Diff line number Diff line
@@ -1420,11 +1420,15 @@ static inline void intel_fbdev_restore_mode(struct drm_device *dev) 
void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv,

			   struct drm_atomic_state *state);

bool intel_fbc_is_active(struct drm_i915_private *dev_priv);

void intel_fbc_pre_update(struct intel_crtc *crtc);

void intel_fbc_pre_update(struct intel_crtc *crtc,

			  struct intel_crtc_state *crtc_state,

			  struct intel_plane_state *plane_state);

void intel_fbc_post_update(struct intel_crtc *crtc);

void intel_fbc_init(struct drm_i915_private *dev_priv);

void intel_fbc_init_pipe_state(struct drm_i915_private *dev_priv);

void intel_fbc_enable(struct intel_crtc *crtc);

void intel_fbc_enable(struct intel_crtc *crtc,

		      struct intel_crtc_state *crtc_state,

		      struct intel_plane_state *plane_state);

void intel_fbc_disable(struct intel_crtc *crtc);

void intel_fbc_global_disable(struct drm_i915_private *dev_priv);

void intel_fbc_invalidate(struct drm_i915_private *dev_priv,

drivers/gpu/drm/i915/intel_fbc.c

+18 −21
Original line number Diff line number Diff line
@@ -480,10 +480,10 @@ static void intel_fbc_deactivate(struct drm_i915_private *dev_priv) 
		intel_fbc_hw_deactivate(dev_priv);

}



static bool multiple_pipes_ok(struct intel_crtc *crtc)

static bool multiple_pipes_ok(struct intel_crtc *crtc,

			      struct intel_plane_state *plane_state)

{

	struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;

	struct drm_plane *primary = crtc->base.primary;

	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);

	struct intel_fbc *fbc = &dev_priv->fbc;

	enum pipe pipe = crtc->pipe;
@@ -491,9 +491,7 @@ static bool multiple_pipes_ok(struct intel_crtc *crtc) 
	if (!no_fbc_on_multiple_pipes(dev_priv))

		return true;



	WARN_ON(!drm_modeset_is_locked(&primary->mutex));



	if (to_intel_plane_state(primary->state)->visible)

	if (plane_state->visible)

		fbc->visible_pipes_mask |= (1 << pipe);

	else

		fbc->visible_pipes_mask &= ~(1 << pipe);
@@ -708,21 +706,16 @@ static bool intel_fbc_hw_tracking_covers_screen(struct intel_crtc *crtc) 
	return effective_w <= max_w && effective_h <= max_h;

}



static void intel_fbc_update_state_cache(struct intel_crtc *crtc)

static void intel_fbc_update_state_cache(struct intel_crtc *crtc,

					 struct intel_crtc_state *crtc_state,

					 struct intel_plane_state *plane_state)

{

	struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;

	struct intel_fbc *fbc = &dev_priv->fbc;

	struct intel_fbc_state_cache *cache = &fbc->state_cache;

	struct intel_crtc_state *crtc_state =

		to_intel_crtc_state(crtc->base.state);

	struct intel_plane_state *plane_state =

		to_intel_plane_state(crtc->base.primary->state);

	struct drm_framebuffer *fb = plane_state->base.fb;

	struct drm_i915_gem_object *obj;



	WARN_ON(!drm_modeset_is_locked(&crtc->base.mutex));

	WARN_ON(!drm_modeset_is_locked(&crtc->base.primary->mutex));



	cache->crtc.mode_flags = crtc_state->base.adjusted_mode.flags;

	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))

		cache->crtc.hsw_bdw_pixel_rate =
@@ -887,7 +880,9 @@ static bool intel_fbc_reg_params_equal(struct intel_fbc_reg_params *params1, 
	return memcmp(params1, params2, sizeof(*params1)) == 0;

}



void intel_fbc_pre_update(struct intel_crtc *crtc)

void intel_fbc_pre_update(struct intel_crtc *crtc,

			  struct intel_crtc_state *crtc_state,

			  struct intel_plane_state *plane_state)

{

	struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;

	struct intel_fbc *fbc = &dev_priv->fbc;
@@ -897,7 +892,7 @@ void intel_fbc_pre_update(struct intel_crtc *crtc) 


	mutex_lock(&fbc->lock);



	if (!multiple_pipes_ok(crtc)) {

	if (!multiple_pipes_ok(crtc, plane_state)) {

		fbc->no_fbc_reason = "more than one pipe active";

		goto deactivate;

	}
@@ -905,7 +900,7 @@ void intel_fbc_pre_update(struct intel_crtc *crtc) 
	if (!fbc->enabled || fbc->crtc != crtc)

		goto unlock;



	intel_fbc_update_state_cache(crtc);

	intel_fbc_update_state_cache(crtc, crtc_state, plane_state);



deactivate:

	intel_fbc_deactivate(dev_priv);
@@ -1089,7 +1084,9 @@ void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv, 
 * intel_fbc_enable multiple times for the same pipe without an

 * intel_fbc_disable in the middle, as long as it is deactivated.

 */

void intel_fbc_enable(struct intel_crtc *crtc)

void intel_fbc_enable(struct intel_crtc *crtc,

		      struct intel_crtc_state *crtc_state,

		      struct intel_plane_state *plane_state)

{

	struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;

	struct intel_fbc *fbc = &dev_priv->fbc;
@@ -1102,19 +1099,19 @@ void intel_fbc_enable(struct intel_crtc *crtc) 
	if (fbc->enabled) {

		WARN_ON(fbc->crtc == NULL);

		if (fbc->crtc == crtc) {

			WARN_ON(!crtc->config->enable_fbc);

			WARN_ON(!crtc_state->enable_fbc);

			WARN_ON(fbc->active);

		}

		goto out;

	}



	if (!crtc->config->enable_fbc)

	if (!crtc_state->enable_fbc)

		goto out;



	WARN_ON(fbc->active);

	WARN_ON(fbc->crtc != NULL);



	intel_fbc_update_state_cache(crtc);

	intel_fbc_update_state_cache(crtc, crtc_state, plane_state);

	if (intel_fbc_alloc_cfb(crtc)) {

		fbc->no_fbc_reason = "not enough stolen memory";

		goto out;