Ben Skeggs
2020-Feb-10 08:20 UTC
[Nouveau] [PATCH 4/4] drm/nouveau: Remove struct nouveau_framebuffer
On Sat, 8 Feb 2020 at 07:10, James Jones <jajones at nvidia.com> wrote:> > I've sent out a v4 version of the format modifier patches which avoid > caching values in the nouveau_framebuffer struct. It will have a few > trivial conflicts with your series, but should make them structurally > compatible. > > I'm fine with either v3 or v4 of my series personally, but if these > cleanup patches are taken, only v4 will work.I've taken Tomas' cleanup patches in my tree, and will take James' also once they've been fixed up to work on top of the cleanup. James, are you happy for me to take the drm_fourcc.h patch that's on dri-devel through my tree for the next merge window too? Ben.> > Thanks, > -James > > On 2/6/20 8:45 AM, James Jones wrote: > > Yes, that's certainly viable. If that's the general preference in > > direction, I'll rework that patches to do so. > > > > Thanks, > > -James > > > > On 2/6/20 7:49 AM, Thomas Zimmermann wrote: > >> Hi James > >> > >> Am 06.02.20 um 16:17 schrieb James Jones: > >>> Note I'm adding some fields to nouveau_framebuffer in the series > >>> "drm/nouveau: Support NVIDIA format modifiers." I sent out v3 of that > >>> yesterday. It would probably still be possible to avoid them by > >>> re-extracting the relevant data from the format modifier on the fly when > >>> needed, but it is simpler and likely less error-prone with the wrapper > >>> struct. > >> > >> Thanks for the note. > >> > >> I just took a look at your patchset. I think struct nouveau_framebuffer > >> should not store tile_mode and kind. AFAICT there are only two trivial > >> places where these values are used and they can be extracted from the > >> framebuffer at any time. > >> > >> I'd suggest to expand nouveau_decode_mod() to take a drm_framebuffer and > >> return the correct values. Kind of what you do in > >> nouveau_framebuffer_new() near line 330. > >> > >> Thoughts? > >> > >> Best regards > >> Thomas > >> > >> [1] https://patchwork.freedesktop.org/series/70786/#rev3 > >> > >>> > >>> Thanks, > >>> -James > >>> > >>> On 2/6/20 2:19 AM, Thomas Zimmermann wrote: > >>>> After its cleanup, struct nouveau_framebuffer is only a wrapper around > >>>> struct drm_framebuffer. Use the latter directly. > >>>> > >>>> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de> > >>>> --- > >>>> drivers/gpu/drm/nouveau/dispnv50/wndw.c | 26 > >>>> +++++++++++------------ > >>>> drivers/gpu/drm/nouveau/nouveau_display.c | 14 ++++++------ > >>>> drivers/gpu/drm/nouveau/nouveau_display.h | 12 +---------- > >>>> drivers/gpu/drm/nouveau/nouveau_fbcon.c | 14 ++++++------ > >>>> 4 files changed, 28 insertions(+), 38 deletions(-) > >>>> > >>>> diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c > >>>> b/drivers/gpu/drm/nouveau/dispnv50/wndw.c > >>>> index ba1399965a1c..4a67a656e007 100644 > >>>> --- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c > >>>> +++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c > >>>> @@ -40,11 +40,11 @@ nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma > >>>> *ctxdma) > >>>> } > >>>> static struct nv50_wndw_ctxdma * > >>>> -nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct > >>>> nouveau_framebuffer *fb) > >>>> +nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct drm_framebuffer > >>>> *fb) > >>>> { > >>>> - struct nouveau_drm *drm = nouveau_drm(fb->base.dev); > >>>> + struct nouveau_drm *drm = nouveau_drm(fb->dev); > >>>> struct nv50_wndw_ctxdma *ctxdma; > >>>> - struct nouveau_bo *nvbo = nouveau_gem_object(fb->base.obj[0]); > >>>> + struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); > >>>> const u8 kind = nvbo->kind; > >>>> const u32 handle = 0xfb000000 | kind; > >>>> struct { > >>>> @@ -236,16 +236,16 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw > >>>> *wndw, bool modeset, > >>>> struct nv50_wndw_atom *asyw, > >>>> struct nv50_head_atom *asyh) > >>>> { > >>>> - struct nouveau_framebuffer *fb > >>>> nouveau_framebuffer(asyw->state.fb); > >>>> + struct drm_framebuffer *fb = asyw->state.fb; > >>>> struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); > >>>> - struct nouveau_bo *nvbo = nouveau_gem_object(fb->base.obj[0]); > >>>> + struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); > >>>> int ret; > >>>> NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name); > >>>> - if (asyw->state.fb != armw->state.fb || !armw->visible || > >>>> modeset) { > >>>> - asyw->image.w = fb->base.width; > >>>> - asyw->image.h = fb->base.height; > >>>> + if (fb != armw->state.fb || !armw->visible || modeset) { > >>>> + asyw->image.w = fb->width; > >>>> + asyw->image.h = fb->height; > >>>> asyw->image.kind = nvbo->kind; > >>>> ret = nv50_wndw_atomic_check_acquire_rgb(asyw); > >>>> @@ -261,13 +261,13 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw > >>>> *wndw, bool modeset, > >>>> asyw->image.blockh = nvbo->mode >> 4; > >>>> else > >>>> asyw->image.blockh = nvbo->mode; > >>>> - asyw->image.blocks[0] = fb->base.pitches[0] / 64; > >>>> + asyw->image.blocks[0] = fb->pitches[0] / 64; > >>>> asyw->image.pitch[0] = 0; > >>>> } else { > >>>> asyw->image.layout = 1; > >>>> asyw->image.blockh = 0; > >>>> asyw->image.blocks[0] = 0; > >>>> - asyw->image.pitch[0] = fb->base.pitches[0]; > >>>> + asyw->image.pitch[0] = fb->pitches[0]; > >>>> } > >>>> if (!asyh->state.async_flip) > >>>> @@ -486,16 +486,16 @@ nv50_wndw_cleanup_fb(struct drm_plane *plane, > >>>> struct drm_plane_state *old_state) > >>>> static int > >>>> nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state > >>>> *state) > >>>> { > >>>> - struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb); > >>>> + struct drm_framebuffer *fb = state->fb; > >>>> struct nouveau_drm *drm = nouveau_drm(plane->dev); > >>>> struct nv50_wndw *wndw = nv50_wndw(plane); > >>>> struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); > >>>> - struct nouveau_bo *nvbo = nouveau_gem_object(state->fb->obj[0]); > >>>> + struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); > >>>> struct nv50_head_atom *asyh; > >>>> struct nv50_wndw_ctxdma *ctxdma; > >>>> int ret; > >>>> - NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb); > >>>> + NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb); > >>>> if (!asyw->state.fb) > >>>> return 0; > >>>> diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c > >>>> b/drivers/gpu/drm/nouveau/nouveau_display.c > >>>> index bbbff55eb5d5..94f7fd48e1cf 100644 > >>>> --- a/drivers/gpu/drm/nouveau/nouveau_display.c > >>>> +++ b/drivers/gpu/drm/nouveau/nouveau_display.c > >>>> @@ -207,10 +207,10 @@ int > >>>> nouveau_framebuffer_new(struct drm_device *dev, > >>>> const struct drm_mode_fb_cmd2 *mode_cmd, > >>>> struct drm_gem_object *gem, > >>>> - struct nouveau_framebuffer **pfb) > >>>> + struct drm_framebuffer **pfb) > >>>> { > >>>> struct nouveau_drm *drm = nouveau_drm(dev); > >>>> - struct nouveau_framebuffer *fb; > >>>> + struct drm_framebuffer *fb; > >>>> int ret; > >>>> /* YUV overlays have special requirements pre-NV50 */ > >>>> @@ -236,10 +236,10 @@ nouveau_framebuffer_new(struct drm_device *dev, > >>>> if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) > >>>> return -ENOMEM; > >>>> - drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); > >>>> - fb->base.obj[0] = gem; > >>>> + drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); > >>>> + fb->obj[0] = gem; > >>>> - ret = drm_framebuffer_init(dev, &fb->base, > >>>> &nouveau_framebuffer_funcs); > >>>> + ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); > >>>> if (ret) > >>>> kfree(fb); > >>>> return ret; > >>>> @@ -250,7 +250,7 @@ nouveau_user_framebuffer_create(struct drm_device > >>>> *dev, > >>>> struct drm_file *file_priv, > >>>> const struct drm_mode_fb_cmd2 *mode_cmd) > >>>> { > >>>> - struct nouveau_framebuffer *fb; > >>>> + struct drm_framebuffer *fb; > >>>> struct drm_gem_object *gem; > >>>> int ret; > >>>> @@ -260,7 +260,7 @@ nouveau_user_framebuffer_create(struct > >>>> drm_device *dev, > >>>> ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb); > >>>> if (ret == 0) > >>>> - return &fb->base; > >>>> + return fb; > >>>> drm_gem_object_put_unlocked(gem); > >>>> return ERR_PTR(ret); > >>>> diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h > >>>> b/drivers/gpu/drm/nouveau/nouveau_display.h > >>>> index 56c1dec8fc28..082bb067d575 100644 > >>>> --- a/drivers/gpu/drm/nouveau/nouveau_display.h > >>>> +++ b/drivers/gpu/drm/nouveau/nouveau_display.h > >>>> @@ -8,21 +8,11 @@ > >>>> #include <drm/drm_framebuffer.h> > >>>> -struct nouveau_framebuffer { > >>>> - struct drm_framebuffer base; > >>>> -}; > >>>> - > >>>> -static inline struct nouveau_framebuffer * > >>>> -nouveau_framebuffer(struct drm_framebuffer *fb) > >>>> -{ > >>>> - return container_of(fb, struct nouveau_framebuffer, base); > >>>> -} > >>>> - > >>>> int > >>>> nouveau_framebuffer_new(struct drm_device *dev, > >>>> const struct drm_mode_fb_cmd2 *mode_cmd, > >>>> struct drm_gem_object *gem, > >>>> - struct nouveau_framebuffer **pfb); > >>>> + struct drm_framebuffer **pfb); > >>>> struct nouveau_display { > >>>> void *priv; > >>>> diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c > >>>> b/drivers/gpu/drm/nouveau/nouveau_fbcon.c > >>>> index 02b36b44409c..d78bc03ad3b8 100644 > >>>> --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c > >>>> +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c > >>>> @@ -312,7 +312,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, > >>>> struct nouveau_drm *drm = nouveau_drm(dev); > >>>> struct nvif_device *device = &drm->client.device; > >>>> struct fb_info *info; > >>>> - struct nouveau_framebuffer *fb; > >>>> + struct drm_framebuffer *fb; > >>>> struct nouveau_channel *chan; > >>>> struct nouveau_bo *nvbo; > >>>> struct drm_mode_fb_cmd2 mode_cmd; > >>>> @@ -367,7 +367,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, > >>>> } > >>>> /* setup helper */ > >>>> - fbcon->helper.fb = &fb->base; > >>>> + fbcon->helper.fb = fb; > >>>> if (!chan) > >>>> info->flags = FBINFO_HWACCEL_DISABLED; > >>>> @@ -393,7 +393,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, > >>>> /* To allow resizeing without swapping buffers */ > >>>> NV_INFO(drm, "allocated %dx%d fb: 0x%llx, bo %p\n", > >>>> - fb->base.width, fb->base.height, nvbo->bo.offset, nvbo); > >>>> + fb->width, fb->height, nvbo->bo.offset, nvbo); > >>>> vga_switcheroo_client_fb_set(dev->pdev, info); > >>>> return 0; > >>>> @@ -413,18 +413,18 @@ nouveau_fbcon_create(struct drm_fb_helper > >>>> *helper, > >>>> static int > >>>> nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev > >>>> *fbcon) > >>>> { > >>>> - struct nouveau_framebuffer *nouveau_fb > >>>> nouveau_framebuffer(fbcon->helper.fb); > >>>> + struct drm_framebuffer *fb = fbcon->helper.fb; > >>>> struct nouveau_bo *nvbo; > >>>> drm_fb_helper_unregister_fbi(&fbcon->helper); > >>>> drm_fb_helper_fini(&fbcon->helper); > >>>> - if (nouveau_fb && nouveau_fb->base.obj[0]) { > >>>> - nvbo = nouveau_gem_object(nouveau_fb->base.obj[0]); > >>>> + if (fb && fb->obj[0]) { > >>>> + nvbo = nouveau_gem_object(fb->obj[0]); > >>>> nouveau_vma_del(&fbcon->vma); > >>>> nouveau_bo_unmap(nvbo); > >>>> nouveau_bo_unpin(nvbo); > >>>> - drm_framebuffer_put(&nouveau_fb->base); > >>>> + drm_framebuffer_put(fb); > >>>> } > >>>> return 0; > >>>> > >>> _______________________________________________ > >>> dri-devel mailing list > >>> dri-devel at lists.freedesktop.org > >>> https://lists.freedesktop.org/mailman/listinfo/dri-devel > >> > > _______________________________________________ > > dri-devel mailing list > > dri-devel at lists.freedesktop.org > > https://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel
Thomas Zimmermann
2020-Feb-10 08:25 UTC
[Nouveau] [PATCH 4/4] drm/nouveau: Remove struct nouveau_framebuffer
Hi Am 10.02.20 um 09:20 schrieb Ben Skeggs:> On Sat, 8 Feb 2020 at 07:10, James Jones <jajones at nvidia.com> wrote: >> >> I've sent out a v4 version of the format modifier patches which avoid >> caching values in the nouveau_framebuffer struct. It will have a few >> trivial conflicts with your series, but should make them structurally >> compatible. >> >> I'm fine with either v3 or v4 of my series personally, but if these >> cleanup patches are taken, only v4 will work. > I've taken Tomas' cleanup patches in my tree, and will take James' > also once they've been fixed up to work on top of the cleanup.Thanks!> > James, are you happy for me to take the drm_fourcc.h patch that's on > dri-devel through my tree for the next merge window too? > > Ben. > >> >> Thanks, >> -James >> >> On 2/6/20 8:45 AM, James Jones wrote: >>> Yes, that's certainly viable. If that's the general preference in >>> direction, I'll rework that patches to do so. >>> >>> Thanks, >>> -James >>> >>> On 2/6/20 7:49 AM, Thomas Zimmermann wrote: >>>> Hi James >>>> >>>> Am 06.02.20 um 16:17 schrieb James Jones: >>>>> Note I'm adding some fields to nouveau_framebuffer in the series >>>>> "drm/nouveau: Support NVIDIA format modifiers." I sent out v3 of that >>>>> yesterday. It would probably still be possible to avoid them by >>>>> re-extracting the relevant data from the format modifier on the fly when >>>>> needed, but it is simpler and likely less error-prone with the wrapper >>>>> struct. >>>> >>>> Thanks for the note. >>>> >>>> I just took a look at your patchset. I think struct nouveau_framebuffer >>>> should not store tile_mode and kind. AFAICT there are only two trivial >>>> places where these values are used and they can be extracted from the >>>> framebuffer at any time. >>>> >>>> I'd suggest to expand nouveau_decode_mod() to take a drm_framebuffer and >>>> return the correct values. Kind of what you do in >>>> nouveau_framebuffer_new() near line 330. >>>> >>>> Thoughts? >>>> >>>> Best regards >>>> Thomas >>>> >>>> [1] https://patchwork.freedesktop.org/series/70786/#rev3 >>>> >>>>> >>>>> Thanks, >>>>> -James >>>>> >>>>> On 2/6/20 2:19 AM, Thomas Zimmermann wrote: >>>>>> After its cleanup, struct nouveau_framebuffer is only a wrapper around >>>>>> struct drm_framebuffer. Use the latter directly. >>>>>> >>>>>> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de> >>>>>> --- >>>>>> drivers/gpu/drm/nouveau/dispnv50/wndw.c | 26 >>>>>> +++++++++++------------ >>>>>> drivers/gpu/drm/nouveau/nouveau_display.c | 14 ++++++------ >>>>>> drivers/gpu/drm/nouveau/nouveau_display.h | 12 +---------- >>>>>> drivers/gpu/drm/nouveau/nouveau_fbcon.c | 14 ++++++------ >>>>>> 4 files changed, 28 insertions(+), 38 deletions(-) >>>>>> >>>>>> diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c >>>>>> b/drivers/gpu/drm/nouveau/dispnv50/wndw.c >>>>>> index ba1399965a1c..4a67a656e007 100644 >>>>>> --- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c >>>>>> +++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c >>>>>> @@ -40,11 +40,11 @@ nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma >>>>>> *ctxdma) >>>>>> } >>>>>> static struct nv50_wndw_ctxdma * >>>>>> -nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct >>>>>> nouveau_framebuffer *fb) >>>>>> +nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct drm_framebuffer >>>>>> *fb) >>>>>> { >>>>>> - struct nouveau_drm *drm = nouveau_drm(fb->base.dev); >>>>>> + struct nouveau_drm *drm = nouveau_drm(fb->dev); >>>>>> struct nv50_wndw_ctxdma *ctxdma; >>>>>> - struct nouveau_bo *nvbo = nouveau_gem_object(fb->base.obj[0]); >>>>>> + struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); >>>>>> const u8 kind = nvbo->kind; >>>>>> const u32 handle = 0xfb000000 | kind; >>>>>> struct { >>>>>> @@ -236,16 +236,16 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw >>>>>> *wndw, bool modeset, >>>>>> struct nv50_wndw_atom *asyw, >>>>>> struct nv50_head_atom *asyh) >>>>>> { >>>>>> - struct nouveau_framebuffer *fb >>>>>> nouveau_framebuffer(asyw->state.fb); >>>>>> + struct drm_framebuffer *fb = asyw->state.fb; >>>>>> struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); >>>>>> - struct nouveau_bo *nvbo = nouveau_gem_object(fb->base.obj[0]); >>>>>> + struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); >>>>>> int ret; >>>>>> NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name); >>>>>> - if (asyw->state.fb != armw->state.fb || !armw->visible || >>>>>> modeset) { >>>>>> - asyw->image.w = fb->base.width; >>>>>> - asyw->image.h = fb->base.height; >>>>>> + if (fb != armw->state.fb || !armw->visible || modeset) { >>>>>> + asyw->image.w = fb->width; >>>>>> + asyw->image.h = fb->height; >>>>>> asyw->image.kind = nvbo->kind; >>>>>> ret = nv50_wndw_atomic_check_acquire_rgb(asyw); >>>>>> @@ -261,13 +261,13 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw >>>>>> *wndw, bool modeset, >>>>>> asyw->image.blockh = nvbo->mode >> 4; >>>>>> else >>>>>> asyw->image.blockh = nvbo->mode; >>>>>> - asyw->image.blocks[0] = fb->base.pitches[0] / 64; >>>>>> + asyw->image.blocks[0] = fb->pitches[0] / 64; >>>>>> asyw->image.pitch[0] = 0; >>>>>> } else { >>>>>> asyw->image.layout = 1; >>>>>> asyw->image.blockh = 0; >>>>>> asyw->image.blocks[0] = 0; >>>>>> - asyw->image.pitch[0] = fb->base.pitches[0]; >>>>>> + asyw->image.pitch[0] = fb->pitches[0]; >>>>>> } >>>>>> if (!asyh->state.async_flip) >>>>>> @@ -486,16 +486,16 @@ nv50_wndw_cleanup_fb(struct drm_plane *plane, >>>>>> struct drm_plane_state *old_state) >>>>>> static int >>>>>> nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state >>>>>> *state) >>>>>> { >>>>>> - struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb); >>>>>> + struct drm_framebuffer *fb = state->fb; >>>>>> struct nouveau_drm *drm = nouveau_drm(plane->dev); >>>>>> struct nv50_wndw *wndw = nv50_wndw(plane); >>>>>> struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); >>>>>> - struct nouveau_bo *nvbo = nouveau_gem_object(state->fb->obj[0]); >>>>>> + struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); >>>>>> struct nv50_head_atom *asyh; >>>>>> struct nv50_wndw_ctxdma *ctxdma; >>>>>> int ret; >>>>>> - NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb); >>>>>> + NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb); >>>>>> if (!asyw->state.fb) >>>>>> return 0; >>>>>> diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c >>>>>> b/drivers/gpu/drm/nouveau/nouveau_display.c >>>>>> index bbbff55eb5d5..94f7fd48e1cf 100644 >>>>>> --- a/drivers/gpu/drm/nouveau/nouveau_display.c >>>>>> +++ b/drivers/gpu/drm/nouveau/nouveau_display.c >>>>>> @@ -207,10 +207,10 @@ int >>>>>> nouveau_framebuffer_new(struct drm_device *dev, >>>>>> const struct drm_mode_fb_cmd2 *mode_cmd, >>>>>> struct drm_gem_object *gem, >>>>>> - struct nouveau_framebuffer **pfb) >>>>>> + struct drm_framebuffer **pfb) >>>>>> { >>>>>> struct nouveau_drm *drm = nouveau_drm(dev); >>>>>> - struct nouveau_framebuffer *fb; >>>>>> + struct drm_framebuffer *fb; >>>>>> int ret; >>>>>> /* YUV overlays have special requirements pre-NV50 */ >>>>>> @@ -236,10 +236,10 @@ nouveau_framebuffer_new(struct drm_device *dev, >>>>>> if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) >>>>>> return -ENOMEM; >>>>>> - drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); >>>>>> - fb->base.obj[0] = gem; >>>>>> + drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); >>>>>> + fb->obj[0] = gem; >>>>>> - ret = drm_framebuffer_init(dev, &fb->base, >>>>>> &nouveau_framebuffer_funcs); >>>>>> + ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); >>>>>> if (ret) >>>>>> kfree(fb); >>>>>> return ret; >>>>>> @@ -250,7 +250,7 @@ nouveau_user_framebuffer_create(struct drm_device >>>>>> *dev, >>>>>> struct drm_file *file_priv, >>>>>> const struct drm_mode_fb_cmd2 *mode_cmd) >>>>>> { >>>>>> - struct nouveau_framebuffer *fb; >>>>>> + struct drm_framebuffer *fb; >>>>>> struct drm_gem_object *gem; >>>>>> int ret; >>>>>> @@ -260,7 +260,7 @@ nouveau_user_framebuffer_create(struct >>>>>> drm_device *dev, >>>>>> ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb); >>>>>> if (ret == 0) >>>>>> - return &fb->base; >>>>>> + return fb; >>>>>> drm_gem_object_put_unlocked(gem); >>>>>> return ERR_PTR(ret); >>>>>> diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h >>>>>> b/drivers/gpu/drm/nouveau/nouveau_display.h >>>>>> index 56c1dec8fc28..082bb067d575 100644 >>>>>> --- a/drivers/gpu/drm/nouveau/nouveau_display.h >>>>>> +++ b/drivers/gpu/drm/nouveau/nouveau_display.h >>>>>> @@ -8,21 +8,11 @@ >>>>>> #include <drm/drm_framebuffer.h> >>>>>> -struct nouveau_framebuffer { >>>>>> - struct drm_framebuffer base; >>>>>> -}; >>>>>> - >>>>>> -static inline struct nouveau_framebuffer * >>>>>> -nouveau_framebuffer(struct drm_framebuffer *fb) >>>>>> -{ >>>>>> - return container_of(fb, struct nouveau_framebuffer, base); >>>>>> -} >>>>>> - >>>>>> int >>>>>> nouveau_framebuffer_new(struct drm_device *dev, >>>>>> const struct drm_mode_fb_cmd2 *mode_cmd, >>>>>> struct drm_gem_object *gem, >>>>>> - struct nouveau_framebuffer **pfb); >>>>>> + struct drm_framebuffer **pfb); >>>>>> struct nouveau_display { >>>>>> void *priv; >>>>>> diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c >>>>>> b/drivers/gpu/drm/nouveau/nouveau_fbcon.c >>>>>> index 02b36b44409c..d78bc03ad3b8 100644 >>>>>> --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c >>>>>> +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c >>>>>> @@ -312,7 +312,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, >>>>>> struct nouveau_drm *drm = nouveau_drm(dev); >>>>>> struct nvif_device *device = &drm->client.device; >>>>>> struct fb_info *info; >>>>>> - struct nouveau_framebuffer *fb; >>>>>> + struct drm_framebuffer *fb; >>>>>> struct nouveau_channel *chan; >>>>>> struct nouveau_bo *nvbo; >>>>>> struct drm_mode_fb_cmd2 mode_cmd; >>>>>> @@ -367,7 +367,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, >>>>>> } >>>>>> /* setup helper */ >>>>>> - fbcon->helper.fb = &fb->base; >>>>>> + fbcon->helper.fb = fb; >>>>>> if (!chan) >>>>>> info->flags = FBINFO_HWACCEL_DISABLED; >>>>>> @@ -393,7 +393,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, >>>>>> /* To allow resizeing without swapping buffers */ >>>>>> NV_INFO(drm, "allocated %dx%d fb: 0x%llx, bo %p\n", >>>>>> - fb->base.width, fb->base.height, nvbo->bo.offset, nvbo); >>>>>> + fb->width, fb->height, nvbo->bo.offset, nvbo); >>>>>> vga_switcheroo_client_fb_set(dev->pdev, info); >>>>>> return 0; >>>>>> @@ -413,18 +413,18 @@ nouveau_fbcon_create(struct drm_fb_helper >>>>>> *helper, >>>>>> static int >>>>>> nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev >>>>>> *fbcon) >>>>>> { >>>>>> - struct nouveau_framebuffer *nouveau_fb >>>>>> nouveau_framebuffer(fbcon->helper.fb); >>>>>> + struct drm_framebuffer *fb = fbcon->helper.fb; >>>>>> struct nouveau_bo *nvbo; >>>>>> drm_fb_helper_unregister_fbi(&fbcon->helper); >>>>>> drm_fb_helper_fini(&fbcon->helper); >>>>>> - if (nouveau_fb && nouveau_fb->base.obj[0]) { >>>>>> - nvbo = nouveau_gem_object(nouveau_fb->base.obj[0]); >>>>>> + if (fb && fb->obj[0]) { >>>>>> + nvbo = nouveau_gem_object(fb->obj[0]); >>>>>> nouveau_vma_del(&fbcon->vma); >>>>>> nouveau_bo_unmap(nvbo); >>>>>> nouveau_bo_unpin(nvbo); >>>>>> - drm_framebuffer_put(&nouveau_fb->base); >>>>>> + drm_framebuffer_put(fb); >>>>>> } >>>>>> return 0; >>>>>> >>>>> _______________________________________________ >>>>> dri-devel mailing list >>>>> dri-devel at lists.freedesktop.org >>>>> https://lists.freedesktop.org/mailman/listinfo/dri-devel >>>> >>> _______________________________________________ >>> dri-devel mailing list >>> dri-devel at lists.freedesktop.org >>> https://lists.freedesktop.org/mailman/listinfo/dri-devel >> _______________________________________________ >> dri-devel mailing list >> dri-devel at lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/dri-devel-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 N?rnberg, Germany (HRB 36809, AG N?rnberg) Gesch?ftsf?hrer: Felix Imend?rffer -------------- next part -------------- A non-text attachment was scrubbed... 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James Jones
2020-Feb-10 23:18 UTC
[Nouveau] [PATCH 4/4] drm/nouveau: Remove struct nouveau_framebuffer
On 2/10/20 12:25 AM, Thomas Zimmermann wrote:> Hi > > Am 10.02.20 um 09:20 schrieb Ben Skeggs: >> On Sat, 8 Feb 2020 at 07:10, James Jones <jajones at nvidia.com> wrote: >>> >>> I've sent out a v4 version of the format modifier patches which avoid >>> caching values in the nouveau_framebuffer struct. It will have a few >>> trivial conflicts with your series, but should make them structurally >>> compatible. >>> >>> I'm fine with either v3 or v4 of my series personally, but if these >>> cleanup patches are taken, only v4 will work. >> I've taken Tomas' cleanup patches in my tree, and will take James' >> also once they've been fixed up to work on top of the cleanup. > > Thanks!After applying this series locally, I'm hitting a NULL deref loading the nouveau module with fbconsole caused by patch 3/4. I've sent out a trivial fix for review separately. Please have a look, and Ben, feel free to squash it with Thomas's original patch if you prefer.>> >> James, are you happy for me to take the drm_fourcc.h patch that's on >> dri-devel through my tree for the next merge window too?Yes, that would be great. I couldn't find a public version of your tree with Thomas's patches applied, but I pulled them in locally and rebased my series on top of that as v5, resolving all the remaining trivial conflicts. Appologies for all the patch spam this generated. Thanks, -James>> Ben. >> >>> >>> Thanks, >>> -James >>> >>> On 2/6/20 8:45 AM, James Jones wrote: >>>> Yes, that's certainly viable. If that's the general preference in >>>> direction, I'll rework that patches to do so. >>>> >>>> Thanks, >>>> -James >>>> >>>> On 2/6/20 7:49 AM, Thomas Zimmermann wrote: >>>>> Hi James >>>>> >>>>> Am 06.02.20 um 16:17 schrieb James Jones: >>>>>> Note I'm adding some fields to nouveau_framebuffer in the series >>>>>> "drm/nouveau: Support NVIDIA format modifiers." I sent out v3 of that >>>>>> yesterday. It would probably still be possible to avoid them by >>>>>> re-extracting the relevant data from the format modifier on the fly when >>>>>> needed, but it is simpler and likely less error-prone with the wrapper >>>>>> struct. >>>>> >>>>> Thanks for the note. >>>>> >>>>> I just took a look at your patchset. I think struct nouveau_framebuffer >>>>> should not store tile_mode and kind. AFAICT there are only two trivial >>>>> places where these values are used and they can be extracted from the >>>>> framebuffer at any time. >>>>> >>>>> I'd suggest to expand nouveau_decode_mod() to take a drm_framebuffer and >>>>> return the correct values. Kind of what you do in >>>>> nouveau_framebuffer_new() near line 330. >>>>> >>>>> Thoughts? >>>>> >>>>> Best regards >>>>> Thomas >>>>> >>>>> [1] https://patchwork.freedesktop.org/series/70786/#rev3 >>>>> >>>>>> >>>>>> Thanks, >>>>>> -James >>>>>> >>>>>> On 2/6/20 2:19 AM, Thomas Zimmermann wrote: >>>>>>> After its cleanup, struct nouveau_framebuffer is only a wrapper around >>>>>>> struct drm_framebuffer. Use the latter directly. >>>>>>> >>>>>>> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de> >>>>>>> --- >>>>>>> drivers/gpu/drm/nouveau/dispnv50/wndw.c | 26 >>>>>>> +++++++++++------------ >>>>>>> drivers/gpu/drm/nouveau/nouveau_display.c | 14 ++++++------ >>>>>>> drivers/gpu/drm/nouveau/nouveau_display.h | 12 +---------- >>>>>>> drivers/gpu/drm/nouveau/nouveau_fbcon.c | 14 ++++++------ >>>>>>> 4 files changed, 28 insertions(+), 38 deletions(-) >>>>>>> >>>>>>> diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c >>>>>>> b/drivers/gpu/drm/nouveau/dispnv50/wndw.c >>>>>>> index ba1399965a1c..4a67a656e007 100644 >>>>>>> --- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c >>>>>>> +++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c >>>>>>> @@ -40,11 +40,11 @@ nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma >>>>>>> *ctxdma) >>>>>>> } >>>>>>> static struct nv50_wndw_ctxdma * >>>>>>> -nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct >>>>>>> nouveau_framebuffer *fb) >>>>>>> +nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct drm_framebuffer >>>>>>> *fb) >>>>>>> { >>>>>>> - struct nouveau_drm *drm = nouveau_drm(fb->base.dev); >>>>>>> + struct nouveau_drm *drm = nouveau_drm(fb->dev); >>>>>>> struct nv50_wndw_ctxdma *ctxdma; >>>>>>> - struct nouveau_bo *nvbo = nouveau_gem_object(fb->base.obj[0]); >>>>>>> + struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); >>>>>>> const u8 kind = nvbo->kind; >>>>>>> const u32 handle = 0xfb000000 | kind; >>>>>>> struct { >>>>>>> @@ -236,16 +236,16 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw >>>>>>> *wndw, bool modeset, >>>>>>> struct nv50_wndw_atom *asyw, >>>>>>> struct nv50_head_atom *asyh) >>>>>>> { >>>>>>> - struct nouveau_framebuffer *fb >>>>>>> nouveau_framebuffer(asyw->state.fb); >>>>>>> + struct drm_framebuffer *fb = asyw->state.fb; >>>>>>> struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); >>>>>>> - struct nouveau_bo *nvbo = nouveau_gem_object(fb->base.obj[0]); >>>>>>> + struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); >>>>>>> int ret; >>>>>>> NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name); >>>>>>> - if (asyw->state.fb != armw->state.fb || !armw->visible || >>>>>>> modeset) { >>>>>>> - asyw->image.w = fb->base.width; >>>>>>> - asyw->image.h = fb->base.height; >>>>>>> + if (fb != armw->state.fb || !armw->visible || modeset) { >>>>>>> + asyw->image.w = fb->width; >>>>>>> + asyw->image.h = fb->height; >>>>>>> asyw->image.kind = nvbo->kind; >>>>>>> ret = nv50_wndw_atomic_check_acquire_rgb(asyw); >>>>>>> @@ -261,13 +261,13 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw >>>>>>> *wndw, bool modeset, >>>>>>> asyw->image.blockh = nvbo->mode >> 4; >>>>>>> else >>>>>>> asyw->image.blockh = nvbo->mode; >>>>>>> - asyw->image.blocks[0] = fb->base.pitches[0] / 64; >>>>>>> + asyw->image.blocks[0] = fb->pitches[0] / 64; >>>>>>> asyw->image.pitch[0] = 0; >>>>>>> } else { >>>>>>> asyw->image.layout = 1; >>>>>>> asyw->image.blockh = 0; >>>>>>> asyw->image.blocks[0] = 0; >>>>>>> - asyw->image.pitch[0] = fb->base.pitches[0]; >>>>>>> + asyw->image.pitch[0] = fb->pitches[0]; >>>>>>> } >>>>>>> if (!asyh->state.async_flip) >>>>>>> @@ -486,16 +486,16 @@ nv50_wndw_cleanup_fb(struct drm_plane *plane, >>>>>>> struct drm_plane_state *old_state) >>>>>>> static int >>>>>>> nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state >>>>>>> *state) >>>>>>> { >>>>>>> - struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb); >>>>>>> + struct drm_framebuffer *fb = state->fb; >>>>>>> struct nouveau_drm *drm = nouveau_drm(plane->dev); >>>>>>> struct nv50_wndw *wndw = nv50_wndw(plane); >>>>>>> struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); >>>>>>> - struct nouveau_bo *nvbo = nouveau_gem_object(state->fb->obj[0]); >>>>>>> + struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); >>>>>>> struct nv50_head_atom *asyh; >>>>>>> struct nv50_wndw_ctxdma *ctxdma; >>>>>>> int ret; >>>>>>> - NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb); >>>>>>> + NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb); >>>>>>> if (!asyw->state.fb) >>>>>>> return 0; >>>>>>> diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c >>>>>>> b/drivers/gpu/drm/nouveau/nouveau_display.c >>>>>>> index bbbff55eb5d5..94f7fd48e1cf 100644 >>>>>>> --- a/drivers/gpu/drm/nouveau/nouveau_display.c >>>>>>> +++ b/drivers/gpu/drm/nouveau/nouveau_display.c >>>>>>> @@ -207,10 +207,10 @@ int >>>>>>> nouveau_framebuffer_new(struct drm_device *dev, >>>>>>> const struct drm_mode_fb_cmd2 *mode_cmd, >>>>>>> struct drm_gem_object *gem, >>>>>>> - struct nouveau_framebuffer **pfb) >>>>>>> + struct drm_framebuffer **pfb) >>>>>>> { >>>>>>> struct nouveau_drm *drm = nouveau_drm(dev); >>>>>>> - struct nouveau_framebuffer *fb; >>>>>>> + struct drm_framebuffer *fb; >>>>>>> int ret; >>>>>>> /* YUV overlays have special requirements pre-NV50 */ >>>>>>> @@ -236,10 +236,10 @@ nouveau_framebuffer_new(struct drm_device *dev, >>>>>>> if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) >>>>>>> return -ENOMEM; >>>>>>> - drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); >>>>>>> - fb->base.obj[0] = gem; >>>>>>> + drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); >>>>>>> + fb->obj[0] = gem; >>>>>>> - ret = drm_framebuffer_init(dev, &fb->base, >>>>>>> &nouveau_framebuffer_funcs); >>>>>>> + ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); >>>>>>> if (ret) >>>>>>> kfree(fb); >>>>>>> return ret; >>>>>>> @@ -250,7 +250,7 @@ nouveau_user_framebuffer_create(struct drm_device >>>>>>> *dev, >>>>>>> struct drm_file *file_priv, >>>>>>> const struct drm_mode_fb_cmd2 *mode_cmd) >>>>>>> { >>>>>>> - struct nouveau_framebuffer *fb; >>>>>>> + struct drm_framebuffer *fb; >>>>>>> struct drm_gem_object *gem; >>>>>>> int ret; >>>>>>> @@ -260,7 +260,7 @@ nouveau_user_framebuffer_create(struct >>>>>>> drm_device *dev, >>>>>>> ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb); >>>>>>> if (ret == 0) >>>>>>> - return &fb->base; >>>>>>> + return fb; >>>>>>> drm_gem_object_put_unlocked(gem); >>>>>>> return ERR_PTR(ret); >>>>>>> diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h >>>>>>> b/drivers/gpu/drm/nouveau/nouveau_display.h >>>>>>> index 56c1dec8fc28..082bb067d575 100644 >>>>>>> --- a/drivers/gpu/drm/nouveau/nouveau_display.h >>>>>>> +++ b/drivers/gpu/drm/nouveau/nouveau_display.h >>>>>>> @@ -8,21 +8,11 @@ >>>>>>> #include <drm/drm_framebuffer.h> >>>>>>> -struct nouveau_framebuffer { >>>>>>> - struct drm_framebuffer base; >>>>>>> -}; >>>>>>> - >>>>>>> -static inline struct nouveau_framebuffer * >>>>>>> -nouveau_framebuffer(struct drm_framebuffer *fb) >>>>>>> -{ >>>>>>> - return container_of(fb, struct nouveau_framebuffer, base); >>>>>>> -} >>>>>>> - >>>>>>> int >>>>>>> nouveau_framebuffer_new(struct drm_device *dev, >>>>>>> const struct drm_mode_fb_cmd2 *mode_cmd, >>>>>>> struct drm_gem_object *gem, >>>>>>> - struct nouveau_framebuffer **pfb); >>>>>>> + struct drm_framebuffer **pfb); >>>>>>> struct nouveau_display { >>>>>>> void *priv; >>>>>>> diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c >>>>>>> b/drivers/gpu/drm/nouveau/nouveau_fbcon.c >>>>>>> index 02b36b44409c..d78bc03ad3b8 100644 >>>>>>> --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c >>>>>>> +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c >>>>>>> @@ -312,7 +312,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, >>>>>>> struct nouveau_drm *drm = nouveau_drm(dev); >>>>>>> struct nvif_device *device = &drm->client.device; >>>>>>> struct fb_info *info; >>>>>>> - struct nouveau_framebuffer *fb; >>>>>>> + struct drm_framebuffer *fb; >>>>>>> struct nouveau_channel *chan; >>>>>>> struct nouveau_bo *nvbo; >>>>>>> struct drm_mode_fb_cmd2 mode_cmd; >>>>>>> @@ -367,7 +367,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, >>>>>>> } >>>>>>> /* setup helper */ >>>>>>> - fbcon->helper.fb = &fb->base; >>>>>>> + fbcon->helper.fb = fb; >>>>>>> if (!chan) >>>>>>> info->flags = FBINFO_HWACCEL_DISABLED; >>>>>>> @@ -393,7 +393,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, >>>>>>> /* To allow resizeing without swapping buffers */ >>>>>>> NV_INFO(drm, "allocated %dx%d fb: 0x%llx, bo %p\n", >>>>>>> - fb->base.width, fb->base.height, nvbo->bo.offset, nvbo); >>>>>>> + fb->width, fb->height, nvbo->bo.offset, nvbo); >>>>>>> vga_switcheroo_client_fb_set(dev->pdev, info); >>>>>>> return 0; >>>>>>> @@ -413,18 +413,18 @@ nouveau_fbcon_create(struct drm_fb_helper >>>>>>> *helper, >>>>>>> static int >>>>>>> nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev >>>>>>> *fbcon) >>>>>>> { >>>>>>> - struct nouveau_framebuffer *nouveau_fb >>>>>>> nouveau_framebuffer(fbcon->helper.fb); >>>>>>> + struct drm_framebuffer *fb = fbcon->helper.fb; >>>>>>> struct nouveau_bo *nvbo; >>>>>>> drm_fb_helper_unregister_fbi(&fbcon->helper); >>>>>>> drm_fb_helper_fini(&fbcon->helper); >>>>>>> - if (nouveau_fb && nouveau_fb->base.obj[0]) { >>>>>>> - nvbo = nouveau_gem_object(nouveau_fb->base.obj[0]); >>>>>>> + if (fb && fb->obj[0]) { >>>>>>> + nvbo = nouveau_gem_object(fb->obj[0]); >>>>>>> nouveau_vma_del(&fbcon->vma); >>>>>>> nouveau_bo_unmap(nvbo); >>>>>>> nouveau_bo_unpin(nvbo); >>>>>>> - drm_framebuffer_put(&nouveau_fb->base); >>>>>>> + drm_framebuffer_put(fb); >>>>>>> } >>>>>>> return 0; >>>>>>> >>>>>> _______________________________________________ >>>>>> dri-devel mailing list >>>>>> dri-devel at lists.freedesktop.org >>>>>> https://lists.freedesktop.org/mailman/listinfo/dri-devel >>>>> >>>> _______________________________________________ >>>> dri-devel mailing list >>>> dri-devel at lists.freedesktop.org >>>> https://lists.freedesktop.org/mailman/listinfo/dri-devel >>> _______________________________________________ >>> dri-devel mailing list >>> dri-devel at lists.freedesktop.org >>> https://lists.freedesktop.org/mailman/listinfo/dri-devel >
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