[PATCH v3 09/22] drm/i915: calculate primary visibility changes instead of calling from set_config

Maarten Lankhorst
2015-05-20T13:38:38Z

This should be much cleaner, with the same effects.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 46 ++++++------------------------------
1 file changed, 7 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d738230bedf8..e592082846d1 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12546,20 +12546,11 @@ intel_modeset_stage_output_state(struct drm_device *dev,
return 0;
}

-static bool primary_plane_visible(struct drm_crtc *crtc)
-{
- struct intel_plane_state *plane_state =
- to_intel_plane_state(crtc->primary->state);
-
- return plane_state->visible;
-}
-
static int intel_crtc_set_config(struct drm_mode_set *set)
{
struct drm_device *dev;
struct drm_atomic_state *state = NULL;
struct intel_crtc_state *pipe_config;
- bool primary_plane_was_visible;
int ret;

BUG_ON(!set);
@@ -12598,38 +12589,8 @@ static int intel_crtc_set_config(struct drm_mode_set *set)

intel_update_pipe_size(to_intel_crtc(set->crtc));

- primary_plane_was_visible = primary_plane_visible(set->crtc);
-
ret = intel_set_mode_with_config(set->crtc, pipe_config);

- if (ret == 0 &&
- pipe_config->base.enable &&
- pipe_config->base.planes_changed &&
- !needs_modeset(&pipe_config->base)) {
- struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc);
-
- /*
- * We need to make sure the primary plane is re-enabled if it
- * has previously been turned off.
- */
- if (ret == 0 && !primary_plane_was_visible &&
- primary_plane_visible(set->crtc)) {
- WARN_ON(!intel_crtc->active);
- intel_post_enable_primary(set->crtc);
- }
-
- /*
- * In the fastboot case this may be our only check of the
- * state after boot. It would be better to only do it on
- * the first update, but we don't have a nice way of doing that
- * (and really, set_config isn't used much for high freq page
- * flipping, so increasing its cost here shouldn't be a big
- * deal).
- */
- if (i915.fastboot && ret == 0)
- intel_modeset_check_state(set->crtc->dev);
- }
-
if (ret) {
DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n",
set->crtc->base.id, ret);
@@ -12957,8 +12918,15 @@ intel_check_primary_plane(struct drm_plane *plane,
*/
if (IS_BROADWELL(dev))
intel_crtc->atomic.wait_vblank = true;
+
+ if (crtc_state && !needs_modeset(&crtc_state->base))
+ intel_crtc->atomic.post_enable_primary = true;
}

+ if (!state->visible && old_state->visible &&
+ crtc_state && !needs_modeset(&crtc_state->base))
+ intel_crtc->atomic.pre_disable_primary = true;
+
intel_crtc->atomic.fb_bits |=
INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe);