From: Daniel Vetter <daniel@ffwll.ch>
To: Thomas Zimmermann <tzimmermann@suse.de>
Cc: sam@ravnborg.org, dri-devel@lists.freedesktop.org,
christian.koenig@amd.com, linaro-mm-sig@lists.linaro.org,
hdegoede@redhat.com, kraxel@redhat.com, airlied@redhat.com,
virtualization@lists.linux-foundation.org, sean@poorly.run,
linux-media@vger.kernel.org
Subject: Re: [PATCH v4 07/13] drm/gm12u320: Use drm_gem_shmem_vmap_local() in damage handling
Date: Mon, 11 Jan 2021 18:01:04 +0100 [thread overview]
Message-ID: <X/yEUPX+H66Q129T@phenom.ffwll.local> (raw)
In-Reply-To: <20210108094340.15290-8-tzimmermann@suse.de>
On Fri, Jan 08, 2021 at 10:43:34AM +0100, Thomas Zimmermann wrote:
> Damage handling in gm12u320 requires a short-term mapping of the source
> BO. Use drm_gem_shmem_vmap_local().
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
> drivers/gpu/drm/tiny/gm12u320.c | 14 +++++++++++---
> 1 file changed, 11 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c
> index 33f65f4626e5..b0c6e350f2b3 100644
> --- a/drivers/gpu/drm/tiny/gm12u320.c
> +++ b/drivers/gpu/drm/tiny/gm12u320.c
> @@ -265,11 +265,16 @@ static void gm12u320_copy_fb_to_blocks(struct gm12u320_device *gm12u320)
> y1 = gm12u320->fb_update.rect.y1;
> y2 = gm12u320->fb_update.rect.y2;
>
> - ret = drm_gem_shmem_vmap(fb->obj[0], &map);
> + ret = dma_resv_lock(fb->obj[0]->resv, NULL);
> if (ret) {
> - GM12U320_ERR("failed to vmap fb: %d\n", ret);
> + GM12U320_ERR("failed to reserve fb: %d\n", ret);
> goto put_fb;
> }
> + ret = drm_gem_shmem_vmap_local(fb->obj[0], &map);
> + if (ret) {
> + GM12U320_ERR("failed to vmap fb: %d\n", ret);
> + goto unlock_resv;
> + }
> vaddr = map.vaddr; /* TODO: Use mapping abstraction properly */
>
> if (fb->obj[0]->import_attach) {
> @@ -321,8 +326,11 @@ static void gm12u320_copy_fb_to_blocks(struct gm12u320_device *gm12u320)
> if (ret)
> GM12U320_ERR("dma_buf_end_cpu_access err: %d\n", ret);
> }
> +
> +unlock_resv:
> + dma_resv_unlock(fb->obj[0]->resv);
Unlock before vunmap.
-Daniel
> vunmap:
> - drm_gem_shmem_vunmap(fb->obj[0], &map);
> + drm_gem_shmem_vunmap_local(fb->obj[0], &map);
> put_fb:
> drm_framebuffer_put(fb);
> gm12u320->fb_update.fb = NULL;
> --
> 2.29.2
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2021-01-11 17:01 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-08 9:43 [PATCH v4 00/13] drm: Support short-term vmap via vmap_local Thomas Zimmermann
2021-01-08 9:43 ` [PATCH v4 01/13] dma-buf: Add vmap_local and vnumap_local operations Thomas Zimmermann
2021-01-08 16:12 ` Ruhl, Michael J
2021-01-12 7:45 ` Thomas Zimmermann
2021-01-14 14:39 ` Ruhl, Michael J
2021-01-08 9:43 ` [PATCH v4 02/13] drm/gem: Create infrastructure for GEM vmap_local Thomas Zimmermann
2021-01-08 9:43 ` [PATCH v4 03/13] drm/cma-helper: Provide a vmap function for short-term mappings Thomas Zimmermann
2021-01-08 9:43 ` [PATCH v4 04/13] drm/shmem-helper: " Thomas Zimmermann
2021-01-11 16:50 ` Daniel Vetter
2021-01-12 13:11 ` Thomas Zimmermann
2021-01-12 14:16 ` Daniel Vetter
2021-01-27 12:08 ` Thomas Zimmermann
2021-02-02 14:11 ` Daniel Vetter
2021-01-08 9:43 ` [PATCH v4 05/13] drm/mgag200: Use drm_gem_shmem_vmap_local() in damage handling Thomas Zimmermann
2021-01-11 16:53 ` Daniel Vetter
2021-01-11 16:58 ` Daniel Vetter
2021-01-08 9:43 ` [PATCH v4 06/13] drm/cirrus: " Thomas Zimmermann
2021-01-11 17:00 ` Daniel Vetter
2021-01-11 17:03 ` Daniel Vetter
2021-01-08 9:43 ` [PATCH v4 07/13] drm/gm12u320: " Thomas Zimmermann
2021-01-11 17:01 ` Daniel Vetter [this message]
2021-01-08 9:43 ` [PATCH v4 08/13] drm/udl: " Thomas Zimmermann
2021-01-08 9:43 ` [PATCH v4 09/13] drm/vram-helper: Provide a vmap function for short-term mappings Thomas Zimmermann
2021-01-08 9:43 ` [PATCH v4 10/13] drm/ast: Use drm_gem_vram_vmap_local() in cursor update Thomas Zimmermann
2021-01-08 9:43 ` [PATCH v4 11/13] drm/vboxvideo: " Thomas Zimmermann
2021-01-11 17:06 ` Daniel Vetter
2021-01-12 7:54 ` Thomas Zimmermann
2021-01-12 9:17 ` Daniel Vetter
2021-01-12 9:53 ` Thomas Zimmermann
2021-01-08 9:43 ` [PATCH v4 12/13] drm/fb-helper: Move BO locking from DRM client to fbdev damage worker Thomas Zimmermann
2021-01-08 9:43 ` [PATCH v4 13/13] drm/vram-helper: Remove unused drm_gem_vram_{vmap, vunmap}() Thomas Zimmermann
2021-01-11 16:52 ` [PATCH v4 13/13] drm/vram-helper: Remove unused drm_gem_vram_{vmap,vunmap}() Daniel Vetter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=X/yEUPX+H66Q129T@phenom.ffwll.local \
--to=daniel@ffwll.ch \
--cc=airlied@redhat.com \
--cc=christian.koenig@amd.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=hdegoede@redhat.com \
--cc=kraxel@redhat.com \
--cc=linaro-mm-sig@lists.linaro.org \
--cc=linux-media@vger.kernel.org \
--cc=sam@ravnborg.org \
--cc=sean@poorly.run \
--cc=tzimmermann@suse.de \
--cc=virtualization@lists.linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).