drm/vc4: Remove duplicate primary/cursor fields from FKMS driver.

The CRTC has those fields and we can just use them.

Signed-off-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit 2ad1a992b5194a01d2dbde9eead1d7a1e2b2677d
https://github.com/raspberrypi/linux raspi/rpi-4.15.y)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>

diff --git a/drivers/gpu/drm/vc4/vc4_firmware_kms.c b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
index 462d9084ce53da8bf5966f175f753bf22510bfcb..60e9d8fa5511340d63c3fad7a95cfb3023d99d5f 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
@@ -37,8 +37,6 @@ struct vc4_crtc {
        struct drm_crtc base;
        struct drm_encoder *encoder;
        struct drm_connector *connector;
-       struct drm_plane *primary;
-       struct drm_plane *cursor;
        void __iomem *regs;
 
        struct drm_pending_vblank_event *event;
@@ -356,29 +354,24 @@ static void vc4_crtc_mode_set_nofb(struct drm_crtc *crtc)
 
 static void vc4_crtc_disable(struct drm_crtc *crtc, struct drm_crtc_state *old_state)
 {
-       struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
-
        /* Always turn the planes off on CRTC disable. In DRM, planes
         * are enabled/disabled through the update/disable hooks
         * above, and the CRTC enable/disable independently controls
         * whether anything scans out at all, but the firmware doesn't
         * give us a CRTC-level control for that.
         */
-       vc4_cursor_plane_atomic_disable(vc4_crtc->cursor,
-                                       vc4_crtc->cursor->state);
-       vc4_plane_set_primary_blank(vc4_crtc->primary, true);
+       vc4_cursor_plane_atomic_disable(crtc->cursor, crtc->cursor->state);
+       vc4_plane_set_primary_blank(crtc->primary, true);
 }
 
 static void vc4_crtc_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state)
 {
-       struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
-
        /* Unblank the planes (if they're supposed to be displayed). */
-       if (vc4_crtc->primary->state->fb)
-               vc4_plane_set_primary_blank(vc4_crtc->primary, false);
-       if (vc4_crtc->cursor->state->fb) {
-               vc4_cursor_plane_atomic_update(vc4_crtc->cursor,
-                                              vc4_crtc->cursor->state);
+       if (crtc->primary->state->fb)
+               vc4_plane_set_primary_blank(crtc->primary, false);
+       if (crtc->cursor->state->fb) {
+               vc4_cursor_plane_atomic_update(crtc->cursor,
+                                              crtc->cursor->state);
        }
 }
 
@@ -689,9 +682,6 @@ static int vc4_fkms_bind(struct device *dev, struct device *master, void *data)
        primary_plane->crtc = crtc;
        cursor_plane->crtc = crtc;
 
-       vc4_crtc->primary = primary_plane;
-       vc4_crtc->cursor = cursor_plane;
-
        vc4_encoder = devm_kzalloc(dev, sizeof(*vc4_encoder), GFP_KERNEL);
        if (!vc4_encoder)
                return -ENOMEM;