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From: Daniel Vetter <daniel.vetter@ffwll.ch>
To: DRI Development <dri-devel@lists.freedesktop.org>
Cc: IGT development <igt-dev@lists.freedesktop.org>,
	Keith Packard <keithp@keithp.com>,
	stable@vger.kernel.org, Daniel Vetter <daniel.vetter@intel.com>
Subject: [igt-dev] [PATCH 6/7] drm/atomic: Wire file_priv through for property changes
Date: Thu, 28 Feb 2019 15:49:09 +0100	[thread overview]
Message-ID: <20190228144910.26488-7-daniel.vetter@ffwll.ch> (raw)
In-Reply-To: <20190228144910.26488-1-daniel.vetter@ffwll.ch>

We need this to make sure lessees can only connect their
plane/connectors to crtc objects they own. And note that this is
irrespective of whether the lessor is atomic or not, lessor cannot
prevent lessees from enabling atomic.

Cc: stable@vger.kernel.org
Cc: Keith Packard <keithp@keithp.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---
 drivers/gpu/drm/drm_atomic_uapi.c   | 32 +++++++++++++++++++-------------
 drivers/gpu/drm/drm_crtc_internal.h |  1 +
 drivers/gpu/drm/drm_mode_object.c   |  5 +++--
 3 files changed, 23 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index 4eb81f10bc54..f0dbfeb00926 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -512,8 +512,8 @@ drm_atomic_crtc_get_property(struct drm_crtc *crtc,
 }
 
 static int drm_atomic_plane_set_property(struct drm_plane *plane,
-		struct drm_plane_state *state, struct drm_property *property,
-		uint64_t val)
+		struct drm_plane_state *state, struct drm_file *file_priv,
+		struct drm_property *property, uint64_t val)
 {
 	struct drm_device *dev = plane->dev;
 	struct drm_mode_config *config = &dev->mode_config;
@@ -521,7 +521,8 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane,
 	int ret;
 
 	if (property == config->prop_fb_id) {
-		struct drm_framebuffer *fb = drm_framebuffer_lookup(dev, NULL, val);
+		struct drm_framebuffer *fb;
+		fb = drm_framebuffer_lookup(dev, file_priv, val);
 		drm_atomic_set_fb_for_plane(state, fb);
 		if (fb)
 			drm_framebuffer_put(fb);
@@ -537,7 +538,7 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane,
 			return -EINVAL;
 
 	} else if (property == config->prop_crtc_id) {
-		struct drm_crtc *crtc = drm_crtc_find(dev, NULL, val);
+		struct drm_crtc *crtc = drm_crtc_find(dev, file_priv, val);
 		return drm_atomic_set_crtc_for_plane(state, crtc);
 	} else if (property == config->prop_crtc_x) {
 		state->crtc_x = U642I64(val);
@@ -681,14 +682,14 @@ static int drm_atomic_set_writeback_fb_for_connector(
 }
 
 static int drm_atomic_connector_set_property(struct drm_connector *connector,
-		struct drm_connector_state *state, struct drm_property *property,
-		uint64_t val)
+		struct drm_connector_state *state, struct drm_file *file_priv,
+		struct drm_property *property, uint64_t val)
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_mode_config *config = &dev->mode_config;
 
 	if (property == config->prop_crtc_id) {
-		struct drm_crtc *crtc = drm_crtc_find(dev, NULL, val);
+		struct drm_crtc *crtc = drm_crtc_find(dev, file_priv, val);
 		return drm_atomic_set_crtc_for_connector(state, crtc);
 	} else if (property == config->dpms_property) {
 		/* setting DPMS property requires special handling, which
@@ -749,8 +750,10 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector,
 	} else if (property == connector->colorspace_property) {
 		state->colorspace = val;
 	} else if (property == config->writeback_fb_id_property) {
-		struct drm_framebuffer *fb = drm_framebuffer_lookup(dev, NULL, val);
-		int ret = drm_atomic_set_writeback_fb_for_connector(state, fb);
+		struct drm_framebuffer *fb;
+		int ret;
+		fb = drm_framebuffer_lookup(dev, file_priv, val);
+		ret = drm_atomic_set_writeback_fb_for_connector(state, fb);
 		if (fb)
 			drm_framebuffer_put(fb);
 		return ret;
@@ -947,6 +950,7 @@ int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state,
 }
 
 int drm_atomic_set_property(struct drm_atomic_state *state,
+			    struct drm_file *file_priv,
 			    struct drm_mode_object *obj,
 			    struct drm_property *prop,
 			    uint64_t prop_value)
@@ -969,7 +973,8 @@ int drm_atomic_set_property(struct drm_atomic_state *state,
 		}
 
 		ret = drm_atomic_connector_set_property(connector,
-				connector_state, prop, prop_value);
+				connector_state, file_priv,
+				prop, prop_value);
 		break;
 	}
 	case DRM_MODE_OBJECT_CRTC: {
@@ -997,7 +1002,8 @@ int drm_atomic_set_property(struct drm_atomic_state *state,
 		}
 
 		ret = drm_atomic_plane_set_property(plane,
-				plane_state, prop, prop_value);
+				plane_state, file_priv,
+				prop, prop_value);
 		break;
 	}
 	default:
@@ -1369,8 +1375,8 @@ int drm_mode_atomic_ioctl(struct drm_device *dev,
 				goto out;
 			}
 
-			ret = drm_atomic_set_property(state, obj, prop,
-						      prop_value);
+			ret = drm_atomic_set_property(state, file_priv,
+						      obj, prop, prop_value);
 			if (ret) {
 				drm_mode_object_put(obj);
 				goto out;
diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
index 216f2a9ee3d4..0719a235d6cc 100644
--- a/drivers/gpu/drm/drm_crtc_internal.h
+++ b/drivers/gpu/drm/drm_crtc_internal.h
@@ -214,6 +214,7 @@ int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state,
 				     struct drm_connector *connector,
 				     int mode);
 int drm_atomic_set_property(struct drm_atomic_state *state,
+			    struct drm_file *file_priv,
 			    struct drm_mode_object *obj,
 			    struct drm_property *prop,
 			    uint64_t prop_value);
diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c
index a9005c1c2384..f32507e65b79 100644
--- a/drivers/gpu/drm/drm_mode_object.c
+++ b/drivers/gpu/drm/drm_mode_object.c
@@ -451,6 +451,7 @@ static int set_property_legacy(struct drm_mode_object *obj,
 }
 
 static int set_property_atomic(struct drm_mode_object *obj,
+			       struct drm_file *file_priv,
 			       struct drm_property *prop,
 			       uint64_t prop_value)
 {
@@ -477,7 +478,7 @@ static int set_property_atomic(struct drm_mode_object *obj,
 						       obj_to_connector(obj),
 						       prop_value);
 	} else {
-		ret = drm_atomic_set_property(state, obj, prop, prop_value);
+		ret = drm_atomic_set_property(state, file_priv, obj, prop, prop_value);
 		if (ret)
 			goto out;
 		ret = drm_atomic_commit(state);
@@ -520,7 +521,7 @@ int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
 		goto out_unref;
 
 	if (drm_drv_uses_atomic_modeset(property->dev))
-		ret = set_property_atomic(arg_obj, property, arg->value);
+		ret = set_property_atomic(arg_obj, file_priv, property, arg->value);
 	else
 		ret = set_property_legacy(arg_obj, property, arg->value);
 
-- 
2.14.4

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  parent reply	other threads:[~2019-02-28 14:49 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-28 14:49 [igt-dev] [PATCH 0/7] some cleanups and uapi clarification for leases Daniel Vetter
2019-02-28 14:49 ` [igt-dev] [PATCH 1/7] drm/leases: Drop object_id validation for negative ids Daniel Vetter
2019-03-14  7:54   ` Boris Brezillon
2019-03-29  4:46     ` Dave Airlie
2019-03-29  8:28       ` Daniel Vetter
2019-02-28 14:49 ` [igt-dev] [PATCH 2/7] drm/lease: Drop recursive leads checks Daniel Vetter
2019-03-14  8:44   ` Boris Brezillon
2019-02-28 14:49 ` [igt-dev] [PATCH 3/7] drm/leases: Don't init to 0 in drm_master_create Daniel Vetter
2019-03-14  7:56   ` Boris Brezillon
2019-03-29  4:47     ` Dave Airlie
2019-02-28 14:49 ` [igt-dev] [PATCH 4/7] drm/lease: Check for lessor outside of locks Daniel Vetter
2019-03-14  8:07   ` Boris Brezillon
2019-04-03  1:33     ` Dave Airlie
2019-04-03  7:04     ` Daniel Vetter
2019-04-03  7:50       ` Boris Brezillon
2019-02-28 14:49 ` [igt-dev] [PATCH 5/7] drm/lease: Make sure implicit planes are leased Daniel Vetter
2019-03-05 13:35   ` Sasha Levin
2019-02-28 14:49 ` Daniel Vetter [this message]
2019-02-28 14:49 ` [igt-dev] [PATCH 7/7] drm/atomic: -EACCESS for lease-denied crtc lookup Daniel Vetter
2019-03-14  8:58 ` [igt-dev] [PATCH 0/7] some cleanups and uapi clarification for leases Boris Brezillon
2019-04-05  2:40   ` Dave Airlie
2019-04-24  9:31     ` Daniel Vetter

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