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Message-ID: <5d06c09b-4105-042a-6e99-5f4c336734ff@suse.de>
Date: Tue, 16 Feb 2021 14:14:42 +0100
From: Thomas Zimmermann <tzimmermann@...e.de>
To: Gerd Hoffmann <kraxel@...hat.com>, dri-devel@...ts.freedesktop.org
Cc: David Airlie <airlied@...ux.ie>,
open list <linux-kernel@...r.kernel.org>,
"open list:DRM DRIVER FOR QXL VIRTUAL GPU"
<virtualization@...ts.linux-foundation.org>,
"open list:DRM DRIVER FOR QXL VIRTUAL GPU"
<spice-devel@...ts.freedesktop.org>,
Dave Airlie <airlied@...hat.com>
Subject: Re: [PATCH 05/10] drm/qxl: rename qxl_bo_kmap -> qxl_bo_kmap_locked
Hi
Am 16.02.21 um 12:37 schrieb Gerd Hoffmann:
> Make clear that these functions should be called with reserved
> bo's only. No functional change.
>
> Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
> ---
> drivers/gpu/drm/qxl/qxl_object.h | 4 ++--
> drivers/gpu/drm/qxl/qxl_display.c | 14 +++++++-------
> drivers/gpu/drm/qxl/qxl_draw.c | 8 ++++----
> drivers/gpu/drm/qxl/qxl_image.c | 2 +-
> drivers/gpu/drm/qxl/qxl_object.c | 8 ++++----
> drivers/gpu/drm/qxl/qxl_prime.c | 4 ++--
> 6 files changed, 20 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/gpu/drm/qxl/qxl_object.h b/drivers/gpu/drm/qxl/qxl_object.h
> index dc1659e717f1..5bd33650183f 100644
> --- a/drivers/gpu/drm/qxl/qxl_object.h
> +++ b/drivers/gpu/drm/qxl/qxl_object.h
> @@ -64,8 +64,8 @@ extern int qxl_bo_create(struct qxl_device *qdev,
> u32 priority,
> struct qxl_surface *surf,
> struct qxl_bo **bo_ptr);
> -extern int qxl_bo_kmap(struct qxl_bo *bo, struct dma_buf_map *map);
> -extern void qxl_bo_kunmap(struct qxl_bo *bo);
> +extern int qxl_bo_kmap_locked(struct qxl_bo *bo, struct dma_buf_map *map);
> +extern void qxl_bo_kunmap_locked(struct qxl_bo *bo);
Nowadaways kmap/kunmap is a misnomer. Since you're renaming; maybe
rename them to vmap/vunmap.
Best regards
Thomas
> void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
> void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
> extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
> diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
> index a1b5cc5918bc..8672385a1caf 100644
> --- a/drivers/gpu/drm/qxl/qxl_display.c
> +++ b/drivers/gpu/drm/qxl/qxl_display.c
> @@ -600,7 +600,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
> user_bo = gem_to_qxl_bo(obj);
>
> /* pinning is done in the prepare/cleanup framevbuffer */
> - ret = qxl_bo_kmap(user_bo, &user_map);
> + ret = qxl_bo_kmap_locked(user_bo, &user_map);
> if (ret)
> goto out_free_release;
> user_ptr = user_map.vaddr; /* TODO: Use mapping abstraction properly */
> @@ -619,7 +619,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
> if (ret)
> goto out_unpin;
>
> - ret = qxl_bo_kmap(cursor_bo, &cursor_map);
> + ret = qxl_bo_kmap_locked(cursor_bo, &cursor_map);
> if (ret)
> goto out_backoff;
> if (cursor_map.is_iomem) /* TODO: Use mapping abstraction properly */
> @@ -638,8 +638,8 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
> cursor->chunk.prev_chunk = 0;
> cursor->chunk.data_size = size;
> memcpy(cursor->chunk.data, user_ptr, size);
> - qxl_bo_kunmap(cursor_bo);
> - qxl_bo_kunmap(user_bo);
> + qxl_bo_kunmap_locked(cursor_bo);
> + qxl_bo_kunmap_locked(user_bo);
>
> cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
> cmd->u.set.visible = 1;
> @@ -681,7 +681,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
> out_free_bo:
> qxl_bo_unref(&cursor_bo);
> out_kunmap:
> - qxl_bo_kunmap(user_bo);
> + qxl_bo_kunmap_locked(user_bo);
> out_free_release:
> qxl_release_free(qdev, release);
> return;
> @@ -1163,7 +1163,7 @@ int qxl_create_monitors_object(struct qxl_device *qdev)
> if (ret)
> return ret;
>
> - qxl_bo_kmap(qdev->monitors_config_bo, &map);
> + qxl_bo_kmap_locked(qdev->monitors_config_bo, &map);
>
> qdev->monitors_config = qdev->monitors_config_bo->kptr;
> qdev->ram_header->monitors_config =
> @@ -1189,7 +1189,7 @@ int qxl_destroy_monitors_object(struct qxl_device *qdev)
> qdev->monitors_config = NULL;
> qdev->ram_header->monitors_config = 0;
>
> - qxl_bo_kunmap(qdev->monitors_config_bo);
> + qxl_bo_kunmap_locked(qdev->monitors_config_bo);
> ret = qxl_bo_unpin(qdev->monitors_config_bo);
> if (ret)
> return ret;
> diff --git a/drivers/gpu/drm/qxl/qxl_draw.c b/drivers/gpu/drm/qxl/qxl_draw.c
> index 7b7acb910780..294542d49015 100644
> --- a/drivers/gpu/drm/qxl/qxl_draw.c
> +++ b/drivers/gpu/drm/qxl/qxl_draw.c
> @@ -48,7 +48,7 @@ static struct qxl_rect *drawable_set_clipping(struct qxl_device *qdev,
> struct qxl_clip_rects *dev_clips;
> int ret;
>
> - ret = qxl_bo_kmap(clips_bo, &map);
> + ret = qxl_bo_kmap_locked(clips_bo, &map);
> if (ret)
> return NULL;
> dev_clips = map.vaddr; /* TODO: Use mapping abstraction properly */
> @@ -202,7 +202,7 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev,
> if (ret)
> goto out_release_backoff;
>
> - ret = qxl_bo_kmap(bo, &surface_map);
> + ret = qxl_bo_kmap_locked(bo, &surface_map);
> if (ret)
> goto out_release_backoff;
> surface_base = surface_map.vaddr; /* TODO: Use mapping abstraction properly */
> @@ -210,7 +210,7 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev,
> ret = qxl_image_init(qdev, release, dimage, surface_base,
> left - dumb_shadow_offset,
> top, width, height, depth, stride);
> - qxl_bo_kunmap(bo);
> + qxl_bo_kunmap_locked(bo);
> if (ret)
> goto out_release_backoff;
>
> @@ -247,7 +247,7 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev,
> rects[i].top = clips_ptr->y1;
> rects[i].bottom = clips_ptr->y2;
> }
> - qxl_bo_kunmap(clips_bo);
> + qxl_bo_kunmap_locked(clips_bo);
>
> qxl_release_fence_buffer_objects(release);
> qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
> diff --git a/drivers/gpu/drm/qxl/qxl_image.c b/drivers/gpu/drm/qxl/qxl_image.c
> index 60ab7151b84d..d4db21ca1d5d 100644
> --- a/drivers/gpu/drm/qxl/qxl_image.c
> +++ b/drivers/gpu/drm/qxl/qxl_image.c
> @@ -186,7 +186,7 @@ qxl_image_init_helper(struct qxl_device *qdev,
> }
> }
> }
> - qxl_bo_kunmap(chunk_bo);
> + qxl_bo_kunmap_locked(chunk_bo);
>
> image_bo = dimage->bo;
> ptr = qxl_bo_kmap_atomic_page(qdev, image_bo, 0);
> diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
> index 7eada4ad217b..b56d4dfc28cb 100644
> --- a/drivers/gpu/drm/qxl/qxl_object.c
> +++ b/drivers/gpu/drm/qxl/qxl_object.c
> @@ -155,7 +155,7 @@ int qxl_bo_create(struct qxl_device *qdev, unsigned long size,
> return 0;
> }
>
> -int qxl_bo_kmap(struct qxl_bo *bo, struct dma_buf_map *map)
> +int qxl_bo_kmap_locked(struct qxl_bo *bo, struct dma_buf_map *map)
> {
> int r;
>
> @@ -203,7 +203,7 @@ void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev,
> return rptr;
> }
>
> - ret = qxl_bo_kmap(bo, &bo_map);
> + ret = qxl_bo_kmap_locked(bo, &bo_map);
> if (ret)
> return NULL;
> rptr = bo_map.vaddr; /* TODO: Use mapping abstraction properly */
> @@ -212,7 +212,7 @@ void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev,
> return rptr;
> }
>
> -void qxl_bo_kunmap(struct qxl_bo *bo)
> +void qxl_bo_kunmap_locked(struct qxl_bo *bo)
> {
> if (bo->kptr == NULL)
> return;
> @@ -233,7 +233,7 @@ void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev,
> io_mapping_unmap_atomic(pmap);
> return;
> fallback:
> - qxl_bo_kunmap(bo);
> + qxl_bo_kunmap_locked(bo);
> }
>
> void qxl_bo_unref(struct qxl_bo **bo)
> diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c
> index 4aa949799446..dc295b2e2b52 100644
> --- a/drivers/gpu/drm/qxl/qxl_prime.c
> +++ b/drivers/gpu/drm/qxl/qxl_prime.c
> @@ -59,7 +59,7 @@ int qxl_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
> struct qxl_bo *bo = gem_to_qxl_bo(obj);
> int ret;
>
> - ret = qxl_bo_kmap(bo, map);
> + ret = qxl_bo_kmap_locked(bo, map);
> if (ret < 0)
> return ret;
>
> @@ -71,7 +71,7 @@ void qxl_gem_prime_vunmap(struct drm_gem_object *obj,
> {
> struct qxl_bo *bo = gem_to_qxl_bo(obj);
>
> - qxl_bo_kunmap(bo);
> + qxl_bo_kunmap_locked(bo);
> }
>
> int qxl_gem_prime_mmap(struct drm_gem_object *obj,
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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