[PATCH v2 05/13] drm/i915: Stop updating plane->fb/crtc

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

We want to get rid of plane->fb/crtc on atomic drivers. Stop setting
them.

v2: Fix up the comment in intel_crtc_active() and
    nuke the rest of the stale comments (Daniel)

Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> #v1
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/i915/intel_atomic_plane.c | 12 ------------
 drivers/gpu/drm/i915/intel_display.c      |  7 +++----
 2 files changed, 3 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
index 7481ce85746b..eb0579fb5e54 100644
--- a/drivers/gpu/drm/i915/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
@@ -120,12 +120,6 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_
 		&crtc_state->base.adjusted_mode;
 	int ret;
 
-	/*
-	 * Both crtc and plane->crtc could be NULL if we're updating a
-	 * property while the plane is disabled.  We don't actually have
-	 * anything driver-specific we need to test in that case, so
-	 * just return success.
-	 */
 	if (!intel_state->base.crtc && !old_plane_state->base.crtc)
 		return 0;
 
@@ -204,12 +198,6 @@ static int intel_plane_atomic_check(struct drm_plane *plane,
 	const struct drm_crtc_state *old_crtc_state;
 	struct drm_crtc_state *new_crtc_state;
 
-	/*
-	 * Both crtc and plane->crtc could be NULL if we're updating a
-	 * property while the plane is disabled.  We don't actually have
-	 * anything driver-specific we need to test in that case, so
-	 * just return success.
-	 */
 	if (!crtc)
 		return 0;
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 415fb8cf2cf4..469792fa098d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -979,7 +979,7 @@ bool intel_crtc_active(struct intel_crtc *crtc)
 	 * We can ditch the adjusted_mode.crtc_clock check as soon
 	 * as Haswell has gained clock readout/fastboot support.
 	 *
-	 * We can ditch the crtc->primary->fb check as soon as we can
+	 * We can ditch the crtc->primary->state->fb check as soon as we can
 	 * properly reconstruct framebuffers.
 	 *
 	 * FIXME: The intel_crtc->active here should be switched to
@@ -2877,9 +2877,8 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
 	if (i915_gem_object_is_tiled(obj))
 		dev_priv->preserve_bios_swizzle = true;
 
-	drm_framebuffer_get(fb);
-	primary->fb = primary->state->fb = fb;
-	primary->crtc = primary->state->crtc = &intel_crtc->base;
+	plane_state->fb = fb;
+	plane_state->crtc = &intel_crtc->base;
 
 	intel_set_plane_visible(to_intel_crtc_state(crtc_state),
 				to_intel_plane_state(plane_state),
-- 
2.16.1

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