[PATCH v2 20/21] drm/imx: move call to ipu_plane_get_resources() into ipu_plane_init()
Philipp Zabel
p.zabel at pengutronix.de
Fri Sep 11 13:38:54 UTC 2020
Use drm managed resources to get and put IPU resources automatically.
Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
Acked-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
Changes since v1:
- Dropped a remaining use of the removed err_put_plane1_res label, that was
fixed in the following patch in v1.
---
drivers/gpu/drm/imx/ipuv3-crtc.c | 27 ++-------------------------
drivers/gpu/drm/imx/ipuv3-plane.c | 29 ++++++++++++++++++++---------
drivers/gpu/drm/imx/ipuv3-plane.h | 3 ---
3 files changed, 22 insertions(+), 37 deletions(-)
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index d412fc265395..8076ab272637 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -380,29 +380,14 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,
drm_crtc_init_with_planes(drm, crtc, &ipu_crtc->plane[0]->base, NULL,
&ipu_crtc_funcs, NULL);
- ret = ipu_plane_get_resources(ipu_crtc->plane[0]);
- if (ret) {
- dev_err(ipu_crtc->dev, "getting plane 0 resources failed with %d.\n",
- ret);
- goto err_put_resources;
- }
-
/* If this crtc is using the DP, add an overlay plane */
if (pdata->dp >= 0 && pdata->dma[1] > 0) {
ipu_crtc->plane[1] = ipu_plane_init(drm, ipu, pdata->dma[1],
IPU_DP_FLOW_SYNC_FG,
drm_crtc_mask(&ipu_crtc->base),
DRM_PLANE_TYPE_OVERLAY);
- if (IS_ERR(ipu_crtc->plane[1])) {
+ if (IS_ERR(ipu_crtc->plane[1]))
ipu_crtc->plane[1] = NULL;
- } else {
- ret = ipu_plane_get_resources(ipu_crtc->plane[1]);
- if (ret) {
- dev_err(ipu_crtc->dev, "getting plane 1 "
- "resources failed with %d.\n", ret);
- goto err_put_plane0_res;
- }
- }
}
ipu_crtc->irq = ipu_plane_irq(ipu_crtc->plane[0]);
@@ -410,18 +395,13 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,
"imx_drm", ipu_crtc);
if (ret < 0) {
dev_err(ipu_crtc->dev, "irq request failed with %d.\n", ret);
- goto err_put_plane1_res;
+ goto err_put_resources;
}
/* Only enable IRQ when we actually need it to trigger work. */
disable_irq(ipu_crtc->irq);
return 0;
-err_put_plane1_res:
- if (ipu_crtc->plane[1])
- ipu_plane_put_resources(ipu_crtc->plane[1]);
-err_put_plane0_res:
- ipu_plane_put_resources(ipu_crtc->plane[0]);
err_put_resources:
ipu_put_resources(ipu_crtc);
@@ -448,9 +428,6 @@ static void ipu_drm_unbind(struct device *dev, struct device *master,
struct ipu_crtc *ipu_crtc = dev_get_drvdata(dev);
ipu_put_resources(ipu_crtc);
- if (ipu_crtc->plane[1])
- ipu_plane_put_resources(ipu_crtc->plane[1]);
- ipu_plane_put_resources(ipu_crtc->plane[0]);
}
static const struct component_ops ipu_crtc_ops = {
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index d3e6c37bf0fb..38b959aa3564 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -143,8 +143,10 @@ drm_plane_state_to_vbo(struct drm_plane_state *state)
fb->format->cpp[2] * x - eba;
}
-void ipu_plane_put_resources(struct ipu_plane *ipu_plane)
+static void ipu_plane_put_resources(struct drm_device *dev, void *ptr)
{
+ struct ipu_plane *ipu_plane = ptr;
+
if (!IS_ERR_OR_NULL(ipu_plane->dp))
ipu_dp_put(ipu_plane->dp);
if (!IS_ERR_OR_NULL(ipu_plane->dmfc))
@@ -155,7 +157,8 @@ void ipu_plane_put_resources(struct ipu_plane *ipu_plane)
ipu_idmac_put(ipu_plane->alpha_ch);
}
-int ipu_plane_get_resources(struct ipu_plane *ipu_plane)
+static int ipu_plane_get_resources(struct drm_device *dev,
+ struct ipu_plane *ipu_plane)
{
int ret;
int alpha_ch;
@@ -167,6 +170,10 @@ int ipu_plane_get_resources(struct ipu_plane *ipu_plane)
return ret;
}
+ ret = drmm_add_action_or_reset(dev, ipu_plane_put_resources, ipu_plane);
+ if (ret)
+ return ret;
+
alpha_ch = ipu_channel_alpha_channel(ipu_plane->dma);
if (alpha_ch >= 0) {
ipu_plane->alpha_ch = ipu_idmac_get(ipu_plane->ipu, alpha_ch);
@@ -182,7 +189,7 @@ int ipu_plane_get_resources(struct ipu_plane *ipu_plane)
if (IS_ERR(ipu_plane->dmfc)) {
ret = PTR_ERR(ipu_plane->dmfc);
DRM_ERROR("failed to get dmfc: ret %d\n", ret);
- goto err_out;
+ return ret;
}
if (ipu_plane->dp_flow >= 0) {
@@ -190,15 +197,11 @@ int ipu_plane_get_resources(struct ipu_plane *ipu_plane)
if (IS_ERR(ipu_plane->dp)) {
ret = PTR_ERR(ipu_plane->dp);
DRM_ERROR("failed to get dp flow: %d\n", ret);
- goto err_out;
+ return ret;
}
}
return 0;
-err_out:
- ipu_plane_put_resources(ipu_plane);
-
- return ret;
}
static bool ipu_plane_separate_alpha(struct ipu_plane *ipu_plane)
@@ -849,7 +852,8 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
ARRAY_SIZE(ipu_plane_formats),
modifiers, type, NULL);
if (ret) {
- DRM_ERROR("failed to initialize plane\n");
+ DRM_ERROR("failed to initialize %s plane\n",
+ zpos ? "overlay" : "primary");
return ERR_PTR(ret);
}
@@ -868,5 +872,12 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
if (ret)
return ERR_PTR(ret);
+ ret = ipu_plane_get_resources(dev, ipu_plane);
+ if (ret) {
+ DRM_ERROR("failed to get %s plane resources: %pe\n",
+ zpos ? "overlay" : "primary", &ret);
+ return ERR_PTR(ret);
+ }
+
return ipu_plane;
}
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h
index ffacbcdd2f98..6d544e6ce63f 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.h
+++ b/drivers/gpu/drm/imx/ipuv3-plane.h
@@ -41,9 +41,6 @@ int ipu_plane_mode_set(struct ipu_plane *plane, struct drm_crtc *crtc,
uint32_t src_x, uint32_t src_y, uint32_t src_w,
uint32_t src_h, bool interlaced);
-int ipu_plane_get_resources(struct ipu_plane *plane);
-void ipu_plane_put_resources(struct ipu_plane *plane);
-
int ipu_plane_irq(struct ipu_plane *plane);
void ipu_plane_disable(struct ipu_plane *ipu_plane, bool disable_dp_channel);
--
2.20.1
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