The patch replaces accesses to manager->ctx pointer by container_of construct. It will allow to remove ctx field in the future.
Signed-off-by: Andrzej Hajda a.hajda@samsung.com --- drivers/gpu/drm/exynos/exynos_drm_vidi.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index f47939c..f048a90 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -66,6 +66,11 @@ struct vidi_context { int pipe; };
+static inline struct vidi_context *manager_to_vidi(struct exynos_drm_manager *m) +{ + return container_of(m, struct vidi_context, manager); +} + static const char fake_edid_info[] = { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x4c, 0x2d, 0x05, 0x05, 0x00, 0x00, 0x00, 0x00, 0x30, 0x12, 0x01, 0x03, 0x80, 0x10, 0x09, 0x78, @@ -93,7 +98,7 @@ static const char fake_edid_info[] = {
static void vidi_apply(struct exynos_drm_manager *mgr) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr); struct exynos_drm_manager_ops *mgr_ops = mgr->ops; struct vidi_win_data *win_data; int i; @@ -110,7 +115,7 @@ static void vidi_apply(struct exynos_drm_manager *mgr)
static void vidi_commit(struct exynos_drm_manager *mgr) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr);
if (ctx->suspended) return; @@ -118,7 +123,7 @@ static void vidi_commit(struct exynos_drm_manager *mgr)
static int vidi_enable_vblank(struct exynos_drm_manager *mgr) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr);
if (ctx->suspended) return -EPERM; @@ -140,7 +145,7 @@ static int vidi_enable_vblank(struct exynos_drm_manager *mgr)
static void vidi_disable_vblank(struct exynos_drm_manager *mgr) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr);
if (ctx->suspended) return; @@ -152,7 +157,7 @@ static void vidi_disable_vblank(struct exynos_drm_manager *mgr) static void vidi_win_mode_set(struct exynos_drm_manager *mgr, struct exynos_drm_overlay *overlay) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr); struct vidi_win_data *win_data; int win; unsigned long offset; @@ -204,7 +209,7 @@ static void vidi_win_mode_set(struct exynos_drm_manager *mgr,
static void vidi_win_commit(struct exynos_drm_manager *mgr, int zpos) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr); struct vidi_win_data *win_data; int win = zpos;
@@ -229,7 +234,7 @@ static void vidi_win_commit(struct exynos_drm_manager *mgr, int zpos)
static void vidi_win_disable(struct exynos_drm_manager *mgr, int zpos) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr); struct vidi_win_data *win_data; int win = zpos;
@@ -247,7 +252,7 @@ static void vidi_win_disable(struct exynos_drm_manager *mgr, int zpos)
static int vidi_power_on(struct exynos_drm_manager *mgr, bool enable) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr);
DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -271,7 +276,7 @@ static int vidi_power_on(struct exynos_drm_manager *mgr, bool enable)
static void vidi_dpms(struct exynos_drm_manager *mgr, int mode) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr);
DRM_DEBUG_KMS("%d\n", mode);
@@ -297,7 +302,7 @@ static void vidi_dpms(struct exynos_drm_manager *mgr, int mode) static int vidi_mgr_initialize(struct exynos_drm_manager *mgr, struct drm_device *drm_dev) { - struct vidi_context *ctx = mgr->ctx; + struct vidi_context *ctx = manager_to_vidi(mgr); struct exynos_drm_private *priv = drm_dev->dev_private;
mgr->drm_dev = ctx->drm_dev = drm_dev; @@ -594,7 +599,6 @@ static int vidi_probe(struct platform_device *pdev)
INIT_WORK(&ctx->work, vidi_fake_vblank_handler);
- ctx->manager.ctx = ctx; vidi_display.ctx = ctx;
mutex_init(&ctx->lock);