[Intel-gfx] [PATCH v2 05/17] drm/vmwgfx: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

Fernando Ramos
2021-09-24T06:51:48Z

As requested in Documentation/gpu/todo.rst, replace driver calls to
drm_modeset_lock_all() with DRM_MODESET_LOCK_ALL_BEGIN() and
DRM_MODESET_LOCK_ALL_END()

Signed-off-by: Fernando Ramos <greenfoo@u92.eu>
Reviewed-by: Sean Paul <sean@poorly.run>
---
drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 11 +++++++----
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 12 ++++++++----
2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 28af34ab6ed6..7df35c6f1458 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -28,6 +28,7 @@
#include "vmwgfx_drv.h"
#include "vmwgfx_devcaps.h"
#include <drm/vmwgfx_drm.h>
+#include <drm/drm_drv.h>
#include "vmwgfx_kms.h"

int vmw_getparam_ioctl(struct drm_device *dev, void *data,
@@ -172,6 +173,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
struct drm_vmw_rect __user *clips_ptr;
struct drm_vmw_rect *clips = NULL;
struct drm_framebuffer *fb;
+ struct drm_modeset_acquire_ctx ctx;
struct vmw_framebuffer *vfb;
struct vmw_resource *res;
uint32_t num_clips;
@@ -203,7 +205,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
goto out_no_copy;
}

- drm_modeset_lock_all(dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);

fb = drm_framebuffer_lookup(dev, file_priv, arg->fb_id);
if (!fb) {
@@ -231,7 +233,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
out_no_surface:
drm_framebuffer_put(fb);
out_no_fb:
- drm_modeset_unlock_all(dev);
+ DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
out_no_copy:
kfree(clips);
out_clips:
@@ -250,6 +252,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
struct drm_vmw_rect __user *clips_ptr;
struct drm_vmw_rect *clips = NULL;
struct drm_framebuffer *fb;
+ struct drm_modeset_acquire_ctx ctx;
struct vmw_framebuffer *vfb;
uint32_t num_clips;
int ret;
@@ -280,7 +283,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
goto out_no_copy;
}

- drm_modeset_lock_all(dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);

fb = drm_framebuffer_lookup(dev, file_priv, arg->fb_id);
if (!fb) {
@@ -303,7 +306,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
out_no_ttm_lock:
drm_framebuffer_put(fb);
out_no_fb:
- drm_modeset_unlock_all(dev);
+ DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
out_no_copy:
kfree(clips);
out_clips:
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 74fa41909213..268095cb8c84 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -33,6 +33,7 @@
#include <drm/drm_rect.h>
#include <drm/drm_sysfs.h>
#include <drm/drm_vblank.h>
+#include <drm/drm_drv.h>

#include "vmwgfx_kms.h"

@@ -243,15 +244,17 @@ void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv)
struct drm_device *dev = &dev_priv->drm;
struct vmw_display_unit *du;
struct drm_crtc *crtc;
+ struct drm_modeset_acquire_ctx ctx;
+ int ret;

- drm_modeset_lock_all(dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
drm_for_each_crtc(crtc, dev) {
du = vmw_crtc_to_du(crtc);

du->hotspot_x = 0;
du->hotspot_y = 0;
}
- drm_modeset_unlock_all(dev);
+ DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
}

void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
@@ -1012,9 +1015,10 @@ static int vmw_framebuffer_bo_dirty(struct drm_framebuffer *framebuffer,
struct vmw_framebuffer_bo *vfbd =
vmw_framebuffer_to_vfbd(framebuffer);
struct drm_clip_rect norect;
+ struct drm_modeset_acquire_ctx ctx;
int ret, increment = 1;

- drm_modeset_lock_all(&dev_priv->drm);
+ DRM_MODESET_LOCK_ALL_BEGIN((&dev_priv->drm), ctx, 0, ret);

if (!num_clips) {
num_clips = 1;
@@ -1040,7 +1044,7 @@ static int vmw_framebuffer_bo_dirty(struct drm_framebuffer *framebuffer,

vmw_cmd_flush(dev_priv, false);

- drm_modeset_unlock_all(&dev_priv->drm);
+ DRM_MODESET_LOCK_ALL_END((&dev_priv->drm), ctx, ret);

return ret;
}
--
2.33.0