| Message ID | 20210807183804.459850-4-robdclark@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | dma-fence: Deadline awareness | expand |
Hi Rob,
I love your patch! Yet something to improve:
[auto build test ERROR on drm-tip/drm-tip]
[also build test ERROR on drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next linus/master v5.14-rc4 next-20210806]
[cannot apply to drm-intel/for-linux-next drm/drm-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Rob-Clark/dma-fence-Deadline-awareness/20210808-023531
base: git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: microblaze-randconfig-r033-20210808 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/237392f7f3f215c77118b9bd985381ca70b7838a
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Rob-Clark/dma-fence-Deadline-awareness/20210808-023531
git checkout 237392f7f3f215c77118b9bd985381ca70b7838a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=microblaze
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>, old ones prefixed by <<):
>> ERROR: modpost: "drm_crtc_next_vblank_time" [drivers/gpu/drm/drm_kms_helper.ko] undefined!
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
On Sat, Aug 07, 2021 at 11:37:57AM -0700, Rob Clark wrote: > From: Rob Clark <robdclark@chromium.org> > > For an atomic commit updating a single CRTC (ie. a pageflip) calculate > the next vblank time, and inform the fence(s) of that deadline. > > Signed-off-by: Rob Clark <robdclark@chromium.org> > --- > drivers/gpu/drm/drm_atomic_helper.c | 36 +++++++++++++++++++++++++++++ > 1 file changed, 36 insertions(+) > > diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c > index bc3487964fb5..7caa2c3cc304 100644 > --- a/drivers/gpu/drm/drm_atomic_helper.c > +++ b/drivers/gpu/drm/drm_atomic_helper.c > @@ -1406,6 +1406,40 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, > } > EXPORT_SYMBOL(drm_atomic_helper_commit_modeset_enables); > > +/* > + * For atomic updates which touch just a single CRTC, calculate the time of the > + * next vblank, and inform all the fences of the of the deadline. s/of the// Otherwise lgtm, Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> > + */ > +static void set_fence_deadline(struct drm_device *dev, > + struct drm_atomic_state *state) > +{ > + struct drm_crtc *crtc, *wait_crtc = NULL; > + struct drm_crtc_state *new_crtc_state; > + struct drm_plane *plane; > + struct drm_plane_state *new_plane_state; > + ktime_t vbltime; > + int i; > + > + for_each_new_crtc_in_state (state, crtc, new_crtc_state, i) { > + if (wait_crtc) > + return; > + wait_crtc = crtc; > + } > + > + /* If no CRTCs updated, then nothing to do: */ > + if (!wait_crtc) > + return; > + > + if (drm_crtc_next_vblank_time(wait_crtc, &vbltime)) > + return; > + > + for_each_new_plane_in_state (state, plane, new_plane_state, i) { > + if (!new_plane_state->fence) > + continue; > + dma_fence_set_deadline(new_plane_state->fence, vbltime); > + } > +} > + > /** > * drm_atomic_helper_wait_for_fences - wait for fences stashed in plane state > * @dev: DRM device > @@ -1435,6 +1469,8 @@ int drm_atomic_helper_wait_for_fences(struct drm_device *dev, > struct drm_plane_state *new_plane_state; > int i, ret; > > + set_fence_deadline(dev, state); > + > for_each_new_plane_in_state(state, plane, new_plane_state, i) { > if (!new_plane_state->fence) > continue; > -- > 2.31.1 >
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index bc3487964fb5..7caa2c3cc304 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1406,6 +1406,40 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, } EXPORT_SYMBOL(drm_atomic_helper_commit_modeset_enables); +/* + * For atomic updates which touch just a single CRTC, calculate the time of the + * next vblank, and inform all the fences of the of the deadline. + */ +static void set_fence_deadline(struct drm_device *dev, + struct drm_atomic_state *state) +{ + struct drm_crtc *crtc, *wait_crtc = NULL; + struct drm_crtc_state *new_crtc_state; + struct drm_plane *plane; + struct drm_plane_state *new_plane_state; + ktime_t vbltime; + int i; + + for_each_new_crtc_in_state (state, crtc, new_crtc_state, i) { + if (wait_crtc) + return; + wait_crtc = crtc; + } + + /* If no CRTCs updated, then nothing to do: */ + if (!wait_crtc) + return; + + if (drm_crtc_next_vblank_time(wait_crtc, &vbltime)) + return; + + for_each_new_plane_in_state (state, plane, new_plane_state, i) { + if (!new_plane_state->fence) + continue; + dma_fence_set_deadline(new_plane_state->fence, vbltime); + } +} + /** * drm_atomic_helper_wait_for_fences - wait for fences stashed in plane state * @dev: DRM device @@ -1435,6 +1469,8 @@ int drm_atomic_helper_wait_for_fences(struct drm_device *dev, struct drm_plane_state *new_plane_state; int i, ret; + set_fence_deadline(dev, state); + for_each_new_plane_in_state(state, plane, new_plane_state, i) { if (!new_plane_state->fence) continue;