| Message ID | 20221028225952.160-3-quic_jesszhan@quicinc.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Support for Solid Fill Planes | expand |
On 29/10/2022 01:59, Jessica Zhang wrote: > Loosen the requirements for atomic and legacy commit so that, in cases > where solid fill planes is enabled (and FB_ID is NULL), the commit can > still go through. > > In addition, add framebuffer NULL checks in other areas to account for > FB being NULL when solid fill is enabled. > > Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> > --- > drivers/gpu/drm/drm_atomic.c | 68 ++++++++++++++++------------- > drivers/gpu/drm/drm_atomic_helper.c | 34 +++++++++------ > drivers/gpu/drm/drm_plane.c | 8 ++-- > include/drm/drm_atomic_helper.h | 5 ++- > 4 files changed, 64 insertions(+), 51 deletions(-) > > diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c > index f197f59f6d99..b576ed221431 100644 > --- a/drivers/gpu/drm/drm_atomic.c > +++ b/drivers/gpu/drm/drm_atomic.c > @@ -601,8 +601,10 @@ static int drm_atomic_plane_check(const struct drm_plane_state *old_plane_state, > uint32_t num_clips; > int ret; > > - /* either *both* CRTC and FB must be set, or neither */ > - if (crtc && !fb) { > + /* When color_fill is disabled, > + * either *both* CRTC and FB must be set, or neither > + */ > + if (crtc && !fb && !new_plane_state->color_fill) { Using !color_fill sounds bad. It would disallow using black as the plane fill color. I think, you need to check color_fill_format instead. > drm_dbg_atomic(plane->dev, "[PLANE:%d:%s] CRTC set but no FB\n", > plane->base.id, plane->name); > return -EINVAL; > @@ -626,14 +628,16 @@ static int drm_atomic_plane_check(const struct drm_plane_state *old_plane_state, > } Don't we need to check that the color_fill_format is supported too? > > /* Check whether this plane supports the fb pixel format. */ > - ret = drm_plane_check_pixel_format(plane, fb->format->format, > - fb->modifier); > - if (ret) { > - drm_dbg_atomic(plane->dev, > - "[PLANE:%d:%s] invalid pixel format %p4cc, modifier 0x%llx\n", > - plane->base.id, plane->name, > - &fb->format->format, fb->modifier); > - return ret; > + if (fb) { > + ret = drm_plane_check_pixel_format(plane, fb->format->format, > + fb->modifier); > + > + if (ret) > + drm_dbg_atomic(plane->dev, > + "[PLANE:%d:%s] invalid pixel format %p4cc, modifier 0x%llx\n", > + plane->base.id, plane->name, > + &fb->format->format, fb->modifier); > + return ret; > } > > /* Give drivers some help against integer overflows */ > @@ -649,28 +653,30 @@ static int drm_atomic_plane_check(const struct drm_plane_state *old_plane_state, > return -ERANGE; > } > > - fb_width = fb->width << 16; > - fb_height = fb->height << 16; > + if (fb) { > + fb_width = fb->width << 16; > + fb_height = fb->height << 16; > > - /* Make sure source coordinates are inside the fb. */ > - if (new_plane_state->src_w > fb_width || > - new_plane_state->src_x > fb_width - new_plane_state->src_w || > - new_plane_state->src_h > fb_height || > - new_plane_state->src_y > fb_height - new_plane_state->src_h) { > - drm_dbg_atomic(plane->dev, > - "[PLANE:%d:%s] invalid source coordinates " > - "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", > - plane->base.id, plane->name, > - new_plane_state->src_w >> 16, > - ((new_plane_state->src_w & 0xffff) * 15625) >> 10, > - new_plane_state->src_h >> 16, > - ((new_plane_state->src_h & 0xffff) * 15625) >> 10, > - new_plane_state->src_x >> 16, > - ((new_plane_state->src_x & 0xffff) * 15625) >> 10, > - new_plane_state->src_y >> 16, > - ((new_plane_state->src_y & 0xffff) * 15625) >> 10, > - fb->width, fb->height); > - return -ENOSPC; > + /* Make sure source coordinates are inside the fb. */ > + if (new_plane_state->src_w > fb_width || > + new_plane_state->src_x > fb_width - new_plane_state->src_w || > + new_plane_state->src_h > fb_height || > + new_plane_state->src_y > fb_height - new_plane_state->src_h) { > + drm_dbg_atomic(plane->dev, > + "[PLANE:%d:%s] invalid source coordinates " > + "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", > + plane->base.id, plane->name, > + new_plane_state->src_w >> 16, > + ((new_plane_state->src_w & 0xffff) * 15625) >> 10, > + new_plane_state->src_h >> 16, > + ((new_plane_state->src_h & 0xffff) * 15625) >> 10, > + new_plane_state->src_x >> 16, > + ((new_plane_state->src_x & 0xffff) * 15625) >> 10, > + new_plane_state->src_y >> 16, > + ((new_plane_state->src_y & 0xffff) * 15625) >> 10, > + fb->width, fb->height); > + return -ENOSPC; > + } > } > > clips = __drm_plane_get_damage_clips(new_plane_state); > diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c > index 8bf41aa24068..5a5ffa06b8bd 100644 > --- a/drivers/gpu/drm/drm_atomic_helper.c > +++ b/drivers/gpu/drm/drm_atomic_helper.c > @@ -818,7 +818,7 @@ int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state, > *src = drm_plane_state_src(plane_state); > *dst = drm_plane_state_dest(plane_state); > > - if (!fb) { > + if (!fb && !plane_state->color_fill) { > plane_state->visible = false; > return 0; > } > @@ -835,25 +835,31 @@ int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state, > return -EINVAL; > } > > - drm_rect_rotate(src, fb->width << 16, fb->height << 16, rotation); > + if (fb) { > + drm_rect_rotate(src, fb->width << 16, fb->height << 16, rotation); > > - /* Check scaling */ > - hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale); > - vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale); > - if (hscale < 0 || vscale < 0) { > - drm_dbg_kms(plane_state->plane->dev, > - "Invalid scaling of plane\n"); > - drm_rect_debug_print("src: ", &plane_state->src, true); > - drm_rect_debug_print("dst: ", &plane_state->dst, false); > - return -ERANGE; > + /* Check scaling */ > + hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale); > + vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale); > + > + if (hscale < 0 || vscale < 0) { > + drm_dbg_kms(plane_state->plane->dev, > + "Invalid scaling of plane\n"); > + drm_rect_debug_print("src: ", &plane_state->src, true); > + drm_rect_debug_print("dst: ", &plane_state->dst, false); > + return -ERANGE; > + } > } > > if (crtc_state->enable) > drm_mode_get_hv_timing(&crtc_state->mode, &clip.x2, &clip.y2); > > - plane_state->visible = drm_rect_clip_scaled(src, dst, &clip); > - > - drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, rotation); > + if (fb) { > + plane_state->visible = drm_rect_clip_scaled(src, dst, &clip); > + drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, rotation); > + } else if (plane_state->color_fill) { > + plane_state->visible = true; > + } > > if (!plane_state->visible) > /* > diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c > index 726f2f163c26..223b5ed93d3a 100644 > --- a/drivers/gpu/drm/drm_plane.c > +++ b/drivers/gpu/drm/drm_plane.c > @@ -850,8 +850,8 @@ static int __setplane_internal(struct drm_plane *plane, > > WARN_ON(drm_drv_uses_atomic_modeset(plane->dev)); > > - /* No fb means shut it down */ > - if (!fb) { > + /* No fb and no color fill means shut it down */ > + if (!fb && (plane->state && !plane->state->color_fill)) { I'd suggest abstracting this to a helper function, which can then be used in drm_atomic_plane_check() too. > plane->old_fb = plane->fb; > ret = plane->funcs->disable_plane(plane, ctx); > if (!ret) { > @@ -902,8 +902,8 @@ static int __setplane_atomic(struct drm_plane *plane, > > WARN_ON(!drm_drv_uses_atomic_modeset(plane->dev)); > > - /* No fb means shut it down */ > - if (!fb) > + /* No fb and no color fill means shut it down */ > + if (!fb && (plane->state && !plane->state->color_fill)) > return plane->funcs->disable_plane(plane, ctx); > > /* > diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h > index 2a0b17842402..aa7576f0879d 100644 > --- a/include/drm/drm_atomic_helper.h > +++ b/include/drm/drm_atomic_helper.h > @@ -219,8 +219,9 @@ drm_atomic_plane_disabling(struct drm_plane_state *old_plane_state, > * Anything else should be considered a bug in the atomic core, so we > * gently warn about it. > */ > - WARN_ON((new_plane_state->crtc == NULL && new_plane_state->fb != NULL) || > - (new_plane_state->crtc != NULL && new_plane_state->fb == NULL)); > + WARN_ON(!new_plane_state->color_fill && > + ((new_plane_state->crtc == NULL && new_plane_state->fb != NULL) || > + (new_plane_state->crtc != NULL && new_plane_state->fb == NULL))); Please fix the indentation. > > return old_plane_state->crtc && !new_plane_state->crtc; > }
On 10/29/2022 4:38 AM, Dmitry Baryshkov wrote: > On 29/10/2022 01:59, Jessica Zhang wrote: >> Loosen the requirements for atomic and legacy commit so that, in cases >> where solid fill planes is enabled (and FB_ID is NULL), the commit can >> still go through. >> >> In addition, add framebuffer NULL checks in other areas to account for >> FB being NULL when solid fill is enabled. >> >> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> >> --- >> drivers/gpu/drm/drm_atomic.c | 68 ++++++++++++++++------------- >> drivers/gpu/drm/drm_atomic_helper.c | 34 +++++++++------ >> drivers/gpu/drm/drm_plane.c | 8 ++-- >> include/drm/drm_atomic_helper.h | 5 ++- >> 4 files changed, 64 insertions(+), 51 deletions(-) >> >> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c >> index f197f59f6d99..b576ed221431 100644 >> --- a/drivers/gpu/drm/drm_atomic.c >> +++ b/drivers/gpu/drm/drm_atomic.c >> @@ -601,8 +601,10 @@ static int drm_atomic_plane_check(const struct >> drm_plane_state *old_plane_state, >> uint32_t num_clips; >> int ret; >> - /* either *both* CRTC and FB must be set, or neither */ >> - if (crtc && !fb) { >> + /* When color_fill is disabled, >> + * either *both* CRTC and FB must be set, or neither >> + */ >> + if (crtc && !fb && !new_plane_state->color_fill) { > > Using !color_fill sounds bad. It would disallow using black as the plane > fill color. I think, you need to check color_fill_format instead. Hey Dmitry, Good point -- acked. > >> drm_dbg_atomic(plane->dev, "[PLANE:%d:%s] CRTC set but no >> FB\n", >> plane->base.id, plane->name); >> return -EINVAL; >> @@ -626,14 +628,16 @@ static int drm_atomic_plane_check(const struct >> drm_plane_state *old_plane_state, >> } > > > Don't we need to check that the color_fill_format is supported too? Acked. > >> /* Check whether this plane supports the fb pixel format. */ >> - ret = drm_plane_check_pixel_format(plane, fb->format->format, >> - fb->modifier); >> - if (ret) { >> - drm_dbg_atomic(plane->dev, >> - "[PLANE:%d:%s] invalid pixel format %p4cc, >> modifier 0x%llx\n", >> - plane->base.id, plane->name, >> - &fb->format->format, fb->modifier); >> - return ret; >> + if (fb) { >> + ret = drm_plane_check_pixel_format(plane, fb->format->format, >> + fb->modifier); >> + >> + if (ret) >> + drm_dbg_atomic(plane->dev, >> + "[PLANE:%d:%s] invalid pixel format %p4cc, >> modifier 0x%llx\n", >> + plane->base.id, plane->name, >> + &fb->format->format, fb->modifier); >> + return ret; >> } >> /* Give drivers some help against integer overflows */ >> @@ -649,28 +653,30 @@ static int drm_atomic_plane_check(const struct >> drm_plane_state *old_plane_state, >> return -ERANGE; >> } >> - fb_width = fb->width << 16; >> - fb_height = fb->height << 16; >> + if (fb) { >> + fb_width = fb->width << 16; >> + fb_height = fb->height << 16; >> - /* Make sure source coordinates are inside the fb. */ >> - if (new_plane_state->src_w > fb_width || >> - new_plane_state->src_x > fb_width - new_plane_state->src_w || >> - new_plane_state->src_h > fb_height || >> - new_plane_state->src_y > fb_height - new_plane_state->src_h) { >> - drm_dbg_atomic(plane->dev, >> - "[PLANE:%d:%s] invalid source coordinates " >> - "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", >> - plane->base.id, plane->name, >> - new_plane_state->src_w >> 16, >> - ((new_plane_state->src_w & 0xffff) * 15625) >> 10, >> - new_plane_state->src_h >> 16, >> - ((new_plane_state->src_h & 0xffff) * 15625) >> 10, >> - new_plane_state->src_x >> 16, >> - ((new_plane_state->src_x & 0xffff) * 15625) >> 10, >> - new_plane_state->src_y >> 16, >> - ((new_plane_state->src_y & 0xffff) * 15625) >> 10, >> - fb->width, fb->height); >> - return -ENOSPC; >> + /* Make sure source coordinates are inside the fb. */ >> + if (new_plane_state->src_w > fb_width || >> + new_plane_state->src_x > fb_width - >> new_plane_state->src_w || >> + new_plane_state->src_h > fb_height || >> + new_plane_state->src_y > fb_height - >> new_plane_state->src_h) { >> + drm_dbg_atomic(plane->dev, >> + "[PLANE:%d:%s] invalid source coordinates " >> + "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", >> + plane->base.id, plane->name, >> + new_plane_state->src_w >> 16, >> + ((new_plane_state->src_w & 0xffff) * 15625) >> >> 10, >> + new_plane_state->src_h >> 16, >> + ((new_plane_state->src_h & 0xffff) * 15625) >> >> 10, >> + new_plane_state->src_x >> 16, >> + ((new_plane_state->src_x & 0xffff) * 15625) >> >> 10, >> + new_plane_state->src_y >> 16, >> + ((new_plane_state->src_y & 0xffff) * 15625) >> >> 10, >> + fb->width, fb->height); >> + return -ENOSPC; >> + } >> } >> clips = __drm_plane_get_damage_clips(new_plane_state); >> diff --git a/drivers/gpu/drm/drm_atomic_helper.c >> b/drivers/gpu/drm/drm_atomic_helper.c >> index 8bf41aa24068..5a5ffa06b8bd 100644 >> --- a/drivers/gpu/drm/drm_atomic_helper.c >> +++ b/drivers/gpu/drm/drm_atomic_helper.c >> @@ -818,7 +818,7 @@ int drm_atomic_helper_check_plane_state(struct >> drm_plane_state *plane_state, >> *src = drm_plane_state_src(plane_state); >> *dst = drm_plane_state_dest(plane_state); >> - if (!fb) { >> + if (!fb && !plane_state->color_fill) { >> plane_state->visible = false; >> return 0; >> } >> @@ -835,25 +835,31 @@ int drm_atomic_helper_check_plane_state(struct >> drm_plane_state *plane_state, >> return -EINVAL; >> } >> - drm_rect_rotate(src, fb->width << 16, fb->height << 16, rotation); >> + if (fb) { >> + drm_rect_rotate(src, fb->width << 16, fb->height << 16, >> rotation); >> - /* Check scaling */ >> - hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale); >> - vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale); >> - if (hscale < 0 || vscale < 0) { >> - drm_dbg_kms(plane_state->plane->dev, >> - "Invalid scaling of plane\n"); >> - drm_rect_debug_print("src: ", &plane_state->src, true); >> - drm_rect_debug_print("dst: ", &plane_state->dst, false); >> - return -ERANGE; >> + /* Check scaling */ >> + hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale); >> + vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale); >> + >> + if (hscale < 0 || vscale < 0) { >> + drm_dbg_kms(plane_state->plane->dev, >> + "Invalid scaling of plane\n"); >> + drm_rect_debug_print("src: ", &plane_state->src, true); >> + drm_rect_debug_print("dst: ", &plane_state->dst, false); >> + return -ERANGE; >> + } >> } >> if (crtc_state->enable) >> drm_mode_get_hv_timing(&crtc_state->mode, &clip.x2, &clip.y2); >> - plane_state->visible = drm_rect_clip_scaled(src, dst, &clip); >> - >> - drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, >> rotation); >> + if (fb) { >> + plane_state->visible = drm_rect_clip_scaled(src, dst, &clip); >> + drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, >> rotation); >> + } else if (plane_state->color_fill) { >> + plane_state->visible = true; >> + } >> if (!plane_state->visible) >> /* >> diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c >> index 726f2f163c26..223b5ed93d3a 100644 >> --- a/drivers/gpu/drm/drm_plane.c >> +++ b/drivers/gpu/drm/drm_plane.c >> @@ -850,8 +850,8 @@ static int __setplane_internal(struct drm_plane >> *plane, >> WARN_ON(drm_drv_uses_atomic_modeset(plane->dev)); >> - /* No fb means shut it down */ >> - if (!fb) { >> + /* No fb and no color fill means shut it down */ >> + if (!fb && (plane->state && !plane->state->color_fill)) { > > I'd suggest abstracting this to a helper function, which can then be > used in drm_atomic_plane_check() too. Agreed. > >> plane->old_fb = plane->fb; >> ret = plane->funcs->disable_plane(plane, ctx); >> if (!ret) { >> @@ -902,8 +902,8 @@ static int __setplane_atomic(struct drm_plane *plane, >> WARN_ON(!drm_drv_uses_atomic_modeset(plane->dev)); >> - /* No fb means shut it down */ >> - if (!fb) >> + /* No fb and no color fill means shut it down */ >> + if (!fb && (plane->state && !plane->state->color_fill)) >> return plane->funcs->disable_plane(plane, ctx); >> /* >> diff --git a/include/drm/drm_atomic_helper.h >> b/include/drm/drm_atomic_helper.h >> index 2a0b17842402..aa7576f0879d 100644 >> --- a/include/drm/drm_atomic_helper.h >> +++ b/include/drm/drm_atomic_helper.h >> @@ -219,8 +219,9 @@ drm_atomic_plane_disabling(struct drm_plane_state >> *old_plane_state, >> * Anything else should be considered a bug in the atomic core, >> so we >> * gently warn about it. >> */ >> - WARN_ON((new_plane_state->crtc == NULL && new_plane_state->fb != >> NULL) || >> - (new_plane_state->crtc != NULL && new_plane_state->fb == NULL)); >> + WARN_ON(!new_plane_state->color_fill && >> + ((new_plane_state->crtc == NULL && new_plane_state->fb != >> NULL) || >> + (new_plane_state->crtc != NULL && new_plane_state->fb == >> NULL))); > > Please fix the indentation. Acked. Thanks, Jessica Zhang > >> return old_plane_state->crtc && !new_plane_state->crtc; >> } > > -- > With best wishes > Dmitry >
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index f197f59f6d99..b576ed221431 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -601,8 +601,10 @@ static int drm_atomic_plane_check(const struct drm_plane_state *old_plane_state, uint32_t num_clips; int ret; - /* either *both* CRTC and FB must be set, or neither */ - if (crtc && !fb) { + /* When color_fill is disabled, + * either *both* CRTC and FB must be set, or neither + */ + if (crtc && !fb && !new_plane_state->color_fill) { drm_dbg_atomic(plane->dev, "[PLANE:%d:%s] CRTC set but no FB\n", plane->base.id, plane->name); return -EINVAL; @@ -626,14 +628,16 @@ static int drm_atomic_plane_check(const struct drm_plane_state *old_plane_state, } /* Check whether this plane supports the fb pixel format. */ - ret = drm_plane_check_pixel_format(plane, fb->format->format, - fb->modifier); - if (ret) { - drm_dbg_atomic(plane->dev, - "[PLANE:%d:%s] invalid pixel format %p4cc, modifier 0x%llx\n", - plane->base.id, plane->name, - &fb->format->format, fb->modifier); - return ret; + if (fb) { + ret = drm_plane_check_pixel_format(plane, fb->format->format, + fb->modifier); + + if (ret) + drm_dbg_atomic(plane->dev, + "[PLANE:%d:%s] invalid pixel format %p4cc, modifier 0x%llx\n", + plane->base.id, plane->name, + &fb->format->format, fb->modifier); + return ret; } /* Give drivers some help against integer overflows */ @@ -649,28 +653,30 @@ static int drm_atomic_plane_check(const struct drm_plane_state *old_plane_state, return -ERANGE; } - fb_width = fb->width << 16; - fb_height = fb->height << 16; + if (fb) { + fb_width = fb->width << 16; + fb_height = fb->height << 16; - /* Make sure source coordinates are inside the fb. */ - if (new_plane_state->src_w > fb_width || - new_plane_state->src_x > fb_width - new_plane_state->src_w || - new_plane_state->src_h > fb_height || - new_plane_state->src_y > fb_height - new_plane_state->src_h) { - drm_dbg_atomic(plane->dev, - "[PLANE:%d:%s] invalid source coordinates " - "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", - plane->base.id, plane->name, - new_plane_state->src_w >> 16, - ((new_plane_state->src_w & 0xffff) * 15625) >> 10, - new_plane_state->src_h >> 16, - ((new_plane_state->src_h & 0xffff) * 15625) >> 10, - new_plane_state->src_x >> 16, - ((new_plane_state->src_x & 0xffff) * 15625) >> 10, - new_plane_state->src_y >> 16, - ((new_plane_state->src_y & 0xffff) * 15625) >> 10, - fb->width, fb->height); - return -ENOSPC; + /* Make sure source coordinates are inside the fb. */ + if (new_plane_state->src_w > fb_width || + new_plane_state->src_x > fb_width - new_plane_state->src_w || + new_plane_state->src_h > fb_height || + new_plane_state->src_y > fb_height - new_plane_state->src_h) { + drm_dbg_atomic(plane->dev, + "[PLANE:%d:%s] invalid source coordinates " + "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", + plane->base.id, plane->name, + new_plane_state->src_w >> 16, + ((new_plane_state->src_w & 0xffff) * 15625) >> 10, + new_plane_state->src_h >> 16, + ((new_plane_state->src_h & 0xffff) * 15625) >> 10, + new_plane_state->src_x >> 16, + ((new_plane_state->src_x & 0xffff) * 15625) >> 10, + new_plane_state->src_y >> 16, + ((new_plane_state->src_y & 0xffff) * 15625) >> 10, + fb->width, fb->height); + return -ENOSPC; + } } clips = __drm_plane_get_damage_clips(new_plane_state); diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 8bf41aa24068..5a5ffa06b8bd 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -818,7 +818,7 @@ int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state, *src = drm_plane_state_src(plane_state); *dst = drm_plane_state_dest(plane_state); - if (!fb) { + if (!fb && !plane_state->color_fill) { plane_state->visible = false; return 0; } @@ -835,25 +835,31 @@ int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state, return -EINVAL; } - drm_rect_rotate(src, fb->width << 16, fb->height << 16, rotation); + if (fb) { + drm_rect_rotate(src, fb->width << 16, fb->height << 16, rotation); - /* Check scaling */ - hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale); - vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale); - if (hscale < 0 || vscale < 0) { - drm_dbg_kms(plane_state->plane->dev, - "Invalid scaling of plane\n"); - drm_rect_debug_print("src: ", &plane_state->src, true); - drm_rect_debug_print("dst: ", &plane_state->dst, false); - return -ERANGE; + /* Check scaling */ + hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale); + vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale); + + if (hscale < 0 || vscale < 0) { + drm_dbg_kms(plane_state->plane->dev, + "Invalid scaling of plane\n"); + drm_rect_debug_print("src: ", &plane_state->src, true); + drm_rect_debug_print("dst: ", &plane_state->dst, false); + return -ERANGE; + } } if (crtc_state->enable) drm_mode_get_hv_timing(&crtc_state->mode, &clip.x2, &clip.y2); - plane_state->visible = drm_rect_clip_scaled(src, dst, &clip); - - drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, rotation); + if (fb) { + plane_state->visible = drm_rect_clip_scaled(src, dst, &clip); + drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, rotation); + } else if (plane_state->color_fill) { + plane_state->visible = true; + } if (!plane_state->visible) /* diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index 726f2f163c26..223b5ed93d3a 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -850,8 +850,8 @@ static int __setplane_internal(struct drm_plane *plane, WARN_ON(drm_drv_uses_atomic_modeset(plane->dev)); - /* No fb means shut it down */ - if (!fb) { + /* No fb and no color fill means shut it down */ + if (!fb && (plane->state && !plane->state->color_fill)) { plane->old_fb = plane->fb; ret = plane->funcs->disable_plane(plane, ctx); if (!ret) { @@ -902,8 +902,8 @@ static int __setplane_atomic(struct drm_plane *plane, WARN_ON(!drm_drv_uses_atomic_modeset(plane->dev)); - /* No fb means shut it down */ - if (!fb) + /* No fb and no color fill means shut it down */ + if (!fb && (plane->state && !plane->state->color_fill)) return plane->funcs->disable_plane(plane, ctx); /* diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 2a0b17842402..aa7576f0879d 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -219,8 +219,9 @@ drm_atomic_plane_disabling(struct drm_plane_state *old_plane_state, * Anything else should be considered a bug in the atomic core, so we * gently warn about it. */ - WARN_ON((new_plane_state->crtc == NULL && new_plane_state->fb != NULL) || - (new_plane_state->crtc != NULL && new_plane_state->fb == NULL)); + WARN_ON(!new_plane_state->color_fill && + ((new_plane_state->crtc == NULL && new_plane_state->fb != NULL) || + (new_plane_state->crtc != NULL && new_plane_state->fb == NULL))); return old_plane_state->crtc && !new_plane_state->crtc; }
Loosen the requirements for atomic and legacy commit so that, in cases where solid fill planes is enabled (and FB_ID is NULL), the commit can still go through. In addition, add framebuffer NULL checks in other areas to account for FB being NULL when solid fill is enabled. Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> --- drivers/gpu/drm/drm_atomic.c | 68 ++++++++++++++++------------- drivers/gpu/drm/drm_atomic_helper.c | 34 +++++++++------ drivers/gpu/drm/drm_plane.c | 8 ++-- include/drm/drm_atomic_helper.h | 5 ++- 4 files changed, 64 insertions(+), 51 deletions(-)