[PATCH 04/16] drm/imx: Drop pipe field from struct imx_drm_crtc

[Thierry Reding]

From: Thierry Reding <treding at nvidia.com>

Use the drm_crtc_index() helper to determine the pipe number of the CRTC
instead.

Cc: Philipp Zabel <p.zabel at pengutronix.de>
Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 drivers/gpu/drm/imx/imx-drm-core.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 9ff1b780f453..ad77c9d86409 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -45,7 +45,6 @@ struct imx_drm_device {
 
 struct imx_drm_crtc {
 	struct drm_crtc				*crtc;
-	unsigned int				pipe;
 	struct imx_drm_crtc_helper_funcs	imx_drm_helper_funcs;
 };
 
@@ -54,7 +53,7 @@ module_param(legacyfb_depth, int, 0444);
 
 unsigned int imx_drm_crtc_id(struct imx_drm_crtc *crtc)
 {
-	return crtc->pipe;
+	return drm_crtc_index(crtc->crtc);
 }
 EXPORT_SYMBOL_GPL(imx_drm_crtc_id);
 
@@ -129,19 +128,19 @@ EXPORT_SYMBOL_GPL(imx_drm_set_bus_format);
 
 int imx_drm_crtc_vblank_get(struct imx_drm_crtc *imx_drm_crtc)
 {
-	return drm_vblank_get(imx_drm_crtc->crtc->dev, imx_drm_crtc->pipe);
+	return drm_crtc_vblank_get(imx_drm_crtc->crtc);
 }
 EXPORT_SYMBOL_GPL(imx_drm_crtc_vblank_get);
 
 void imx_drm_crtc_vblank_put(struct imx_drm_crtc *imx_drm_crtc)
 {
-	drm_vblank_put(imx_drm_crtc->crtc->dev, imx_drm_crtc->pipe);
+	drm_crtc_vblank_put(imx_drm_crtc->crtc);
 }
 EXPORT_SYMBOL_GPL(imx_drm_crtc_vblank_put);
 
 void imx_drm_handle_vblank(struct imx_drm_crtc *imx_drm_crtc)
 {
-	drm_handle_vblank(imx_drm_crtc->crtc->dev, imx_drm_crtc->pipe);
+	drm_crtc_handle_vblank(imx_drm_crtc->crtc);
 }
 EXPORT_SYMBOL_GPL(imx_drm_handle_vblank);
 
@@ -363,12 +362,11 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc,
 		return -ENOMEM;
 
 	imx_drm_crtc->imx_drm_helper_funcs = *imx_drm_helper_funcs;
-	imx_drm_crtc->pipe = imxdrm->pipes++;
 	imx_drm_crtc->crtc = crtc;
 
 	crtc->port = port;
 
-	imxdrm->crtc[imx_drm_crtc->pipe] = imx_drm_crtc;
+	imxdrm->crtc[imxdrm->pipes++] = imx_drm_crtc;
 
 	*new_crtc = imx_drm_crtc;
 
@@ -385,7 +383,7 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc,
 	return 0;
 
 err_register:
-	imxdrm->crtc[imx_drm_crtc->pipe] = NULL;
+	imxdrm->crtc[--imxdrm->pipes] = NULL;
 	kfree(imx_drm_crtc);
 	return ret;
 }
@@ -397,10 +395,11 @@ EXPORT_SYMBOL_GPL(imx_drm_add_crtc);
 int imx_drm_remove_crtc(struct imx_drm_crtc *imx_drm_crtc)
 {
 	struct imx_drm_device *imxdrm = imx_drm_crtc->crtc->dev->dev_private;
+	unsigned int pipe = drm_crtc_index(imx_drm_crtc->crtc);
 
 	drm_crtc_cleanup(imx_drm_crtc->crtc);
 
-	imxdrm->crtc[imx_drm_crtc->pipe] = NULL;
+	imxdrm->crtc[pipe] = NULL;
 
 	kfree(imx_drm_crtc);
 
-- 
2.5.0