Some of the flags that were used are still useful when transitioning
to atomic, so keep those around for now. This removes some of the
complications of crtc->primary_enabled, making it easier to remove.

Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_drv.h    |  6 -----
 drivers/gpu/drm/i915/intel_sprite.c | 45 +------------------------------------
 2 files changed, 1 insertion(+), 50 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 082be7161203..ec12948e76aa 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -252,12 +252,6 @@ struct intel_plane_state {
        bool visible;
 
        /*
-        * used only for sprite planes to determine when to implicitly
-        * enable/disable the primary plane
-        */
-       bool hides_primary;
-
-       /*
         * scaler_id
         *    = -1 : not using a scaler
         *    >=  0 : using a scalers
diff --git a/drivers/gpu/drm/i915/intel_sprite.c 
b/drivers/gpu/drm/i915/intel_sprite.c
index e3d41c096dc6..612d8e0b3e02 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -165,17 +165,6 @@ void intel_pipe_update_end(struct intel_crtc *crtc, u32 
start_vbl_count)
                          pipe_name(pipe), start_vbl_count, end_vbl_count);
 }
 
-static void intel_update_primary_plane(struct intel_crtc *crtc)
-{
-       struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
-       int reg = DSPCNTR(crtc->plane);
-
-       if (crtc->primary_enabled)
-               I915_WRITE(reg, I915_READ(reg) | DISPLAY_PLANE_ENABLE);
-       else
-               I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE);
-}
-
 static void
 skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
                 struct drm_framebuffer *fb,
@@ -479,8 +468,6 @@ vlv_update_plane(struct drm_plane *dplane, struct drm_crtc 
*crtc,
                linear_offset += src_h * fb->pitches[0] + src_w * pixel_size;
        }
 
-       intel_update_primary_plane(intel_crtc);
-
        if (key->flags) {
                I915_WRITE(SPKEYMINVAL(pipe, plane), key->min_value);
                I915_WRITE(SPKEYMAXVAL(pipe, plane), key->max_value);
@@ -521,8 +508,6 @@ vlv_disable_plane(struct drm_plane *dplane, struct drm_crtc 
*crtc)
        int pipe = intel_plane->pipe;
        int plane = intel_plane->plane;
 
-       intel_update_primary_plane(intel_crtc);
-
        I915_WRITE(SPCNTR(pipe, plane), 0);
 
        /* Activate double buffered register update */
@@ -626,8 +611,6 @@ ivb_update_plane(struct drm_plane *plane, struct drm_crtc 
*crtc,
                }
        }
 
-       intel_update_primary_plane(intel_crtc);
-
        if (key->flags) {
                I915_WRITE(SPRKEYVAL(pipe), key->min_value);
                I915_WRITE(SPRKEYMAX(pipe), key->max_value);
@@ -670,8 +653,6 @@ ivb_disable_plane(struct drm_plane *plane, struct drm_crtc 
*crtc)
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_plane->pipe;
 
-       intel_update_primary_plane(intel_crtc);
-
        I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
        /* Can't leave the scaler enabled... */
        if (intel_plane->can_scale)
@@ -766,8 +747,6 @@ ilk_update_plane(struct drm_plane *plane, struct drm_crtc 
*crtc,
                linear_offset += src_h * fb->pitches[0] + src_w * pixel_size;
        }
 
-       intel_update_primary_plane(intel_crtc);
-
        if (key->flags) {
                I915_WRITE(DVSKEYVAL(pipe), key->min_value);
                I915_WRITE(DVSKEYMAX(pipe), key->max_value);
@@ -805,8 +784,6 @@ ilk_disable_plane(struct drm_plane *plane, struct drm_crtc 
*crtc)
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_plane->pipe;
 
-       intel_update_primary_plane(intel_crtc);
-
        I915_WRITE(DVSCNTR(pipe), 0);
        /* Disable the scaler */
        I915_WRITE(DVSSCALE(pipe), 0);
@@ -859,7 +836,7 @@ intel_post_enable_primary(struct drm_crtc *crtc)
  * @crtc: the CRTC whose primary plane is to be disabled
  *
  * Performs potentially sleeping operations that must be done before the
- * primary plane is enabled, such as updating FBC and IPS.  Note that this may
+ * primary plane is disabled, such as updating FBC and IPS.  Note that this may
  * be called due to an explicit primary plane update, or due to an implicit
  * disable that is caused when a sprite plane completely hides the primary
  * plane.
@@ -885,11 +862,6 @@ intel_pre_disable_primary(struct drm_crtc *crtc)
        hsw_disable_ips(intel_crtc);
 }
 
-static bool colorkey_enabled(struct intel_plane *intel_plane)
-{
-       return intel_plane->ckey.flags != I915_SET_COLORKEY_NONE;
-}
-
 static int
 intel_check_sprite_plane(struct drm_plane *plane,
                         struct intel_plane_state *state)
@@ -1053,23 +1025,10 @@ finish:
         * If the sprite is completely covering the primary plane,
         * we can disable the primary and save power.
         */
-       state->hides_primary = fb != NULL && drm_rect_equals(dst, clip) &&
-               !colorkey_enabled(intel_plane);
-       WARN_ON(state->hides_primary && !state->visible && intel_crtc->active);
-
        if (intel_crtc->active) {
-               if (intel_crtc->primary_enabled == state->hides_primary)
-                       intel_crtc->atomic.wait_for_flips = true;
-
-               if (intel_crtc->primary_enabled && state->hides_primary)
-                       intel_crtc->atomic.pre_disable_primary = true;
-
                intel_crtc->atomic.fb_bits |=
                        INTEL_FRONTBUFFER_SPRITE(intel_crtc->pipe);
 
-               if (!intel_crtc->primary_enabled && !state->hides_primary)
-                       intel_crtc->atomic.post_enable_primary = true;
-
                if (intel_wm_need_update(plane, &state->base))
                        intel_crtc->atomic.update_wm = true;
 
@@ -1105,8 +1064,6 @@ intel_commit_sprite_plane(struct drm_plane *plane,
        plane->fb = fb;
 
        if (intel_crtc->active) {
-               intel_crtc->primary_enabled = !state->hides_primary;
-
                if (state->visible) {
                        crtc_x = state->dst.x1;
                        crtc_y = state->dst.y1;
-- 
2.1.0

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