diff mbox

[PATCH/RFC,113/390] drm: Constify gem_vm_ops pointer

Message ID 1364525119-31791-114-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman March 29, 2013, 2:40 a.m. UTC 
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

The GEM vm operations structure is passed to the VM core that stores it
in a const field. There vm operations structures can thus be const in
DRM as well.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rob Clark <rob.clark@linaro.org>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 78b68556a964e74fb803b08c5b2d9c6ba3ec3787)

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.c |    2 +-
 drivers/gpu/drm/gma500/framebuffer.c    |    2 +-
 drivers/gpu/drm/gma500/psb_drv.c        |    2 +-
 drivers/gpu/drm/i915/i915_drv.c         |    2 +-
 drivers/gpu/drm/udl/udl_drv.c           |    2 +-
 drivers/staging/omapdrm/omap_drv.c      |    2 +-
 include/drm/drmP.h                      |    2 +-
 7 files changed, 7 insertions(+), 7 deletions(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index a6819b5..67a67b0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -193,7 +193,7 @@  static void exynos_drm_lastclose(struct drm_device *dev)
 	exynos_drm_fbdev_restore_mode(dev);
 }
 
-static struct vm_operations_struct exynos_drm_gem_vm_ops = {
+static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
 	.fault = exynos_drm_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index ba48e4d..e20da1f 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -153,7 +153,7 @@  static void psbfb_vm_close(struct vm_area_struct *vma)
 {
 }
 
-static struct vm_operations_struct psbfb_vm_ops = {
+static const struct vm_operations_struct psbfb_vm_ops = {
 	.fault	= psbfb_vm_fault,
 	.open	= psbfb_vm_open,
 	.close	= psbfb_vm_close
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 09af2ff..809e340 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -619,7 +619,7 @@  static const struct dev_pm_ops psb_pm_ops = {
 	.runtime_idle = psb_runtime_idle,
 };
 
-static struct vm_operations_struct psb_gem_vm_ops = {
+static const struct vm_operations_struct psb_gem_vm_ops = {
 	.fault = psb_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index ae8a64f..b81bc47 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -874,7 +874,7 @@  static const struct dev_pm_ops i915_pm_ops = {
 	.restore = i915_pm_resume,
 };
 
-static struct vm_operations_struct i915_gem_vm_ops = {
+static const struct vm_operations_struct i915_gem_vm_ops = {
 	.fault = i915_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 08eff0d..7790712 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -51,7 +51,7 @@  static void udl_usb_disconnect(struct usb_interface *interface)
 	drm_unplug_dev(dev);
 }
 
-static struct vm_operations_struct udl_gem_vm_ops = {
+static const struct vm_operations_struct udl_gem_vm_ops = {
 	.fault = udl_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
index bd7d210..1edbd77 100644
--- a/drivers/staging/omapdrm/omap_drv.c
+++ b/drivers/staging/omapdrm/omap_drv.c
@@ -726,7 +726,7 @@  static void dev_irq_uninstall(struct drm_device *dev)
 	DBG("irq_uninstall: dev=%p", dev);
 }
 
-static struct vm_operations_struct omap_gem_vm_ops = {
+static const struct vm_operations_struct omap_gem_vm_ops = {
 	.fault = omap_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 5ba7417..130e132 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -942,7 +942,7 @@  struct drm_driver {
 			    uint32_t handle);
 
 	/* Driver private ops for this object */
-	struct vm_operations_struct *gem_vm_ops;
+	const struct vm_operations_struct *gem_vm_ops;
 
 	int major;
 	int minor;