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...gt; > Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com> > --- > drivers/gpu/drm/drm_dp_mst_topology.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c > b/drivers/gpu/drm/drm_dp_mst_topology.c > index 7780567aa669..5ff1d79b86c4 100644 > --- a/drivers/gpu/drm/drm_dp_mst_topology.c > +++ b/drivers/gpu/drm/drm_dp_mst_topology.c > @@ -439,6 +439,7 @@ static bool drm_dp_sideband_parse_remote_dpcd_read(struct > drm_dp_sideband_msg_rx > if (idx > raw->curlen) > goto fail_len; > repmsg->u.remo...

From: Hans Verkuil <hans.verkuil at cisco.com> Now that the DisplayPort CEC-Tunneling-over-AUX drm+i915 support has been merged in the mainline kernel it is time to roll this out to nouveau and amdgpu as well. The first patch is required for this: it adds checks that the drm_dp_cec functions are called with a working aux implementation. These checks weren't necessary for the i915, but

...but if you enable it, then it is all wrong. Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com> --- drivers/gpu/drm/drm_dp_mst_topology.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 7780567aa669..5ff1d79b86c4 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -439,6 +439,7 @@ static bool drm_dp_sideband_parse_remote_dpcd_read(struct drm_dp_sideband_msg_rx if (idx > raw->curlen) goto fail_len; repmsg->u.remote_dpcd_read_ack.num_bytes = raw-&g...

...ns Verkuil <hans.verkuil at cisco.com> >> --- >> drivers/gpu/drm/drm_dp_mst_topology.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c >> b/drivers/gpu/drm/drm_dp_mst_topology.c >> index 7780567aa669..5ff1d79b86c4 100644 >> --- a/drivers/gpu/drm/drm_dp_mst_topology.c >> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c >> @@ -439,6 +439,7 @@ static bool drm_dp_sideband_parse_remote_dpcd_read(struct >> drm_dp_sideband_msg_rx >> if (idx > raw->curlen) >> goto fail_len;...

...but if you enable it, then it is all wrong. Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com> --- drivers/gpu/drm/drm_dp_mst_topology.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 7780567aa669..5ff1d79b86c4 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -439,6 +439,7 @@ static bool drm_dp_sideband_parse_remote_dpcd_read(struct drm_dp_sideband_msg_rx if (idx > raw->curlen) goto fail_len; repmsg->u.remote_dpcd_read_ack.num_bytes = raw-&g...

...gned-off-by: Lyude Paul <lyude at redhat.com> Cc: Daniel Vetter <daniel at ffwll.ch> --- drivers/gpu/drm/drm_dp_mst_topology.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 5ff1d79b86c4..8c3cfac437f4 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -2569,9 +2569,16 @@ struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_ EXPORT_SYMBOL(drm_dp_mst_get_edid); /** - * drm_dp_find_vcpi_slots() - find slots...

From: Hans Verkuil <hans.verkuil at cisco.com> Repost because I wasn't a member of the nouveau mailinglist the first time around and this series was blocked. I also updated this cover letter for the part about the amdgpu patch after receiving feedback from Alex Deucher. The patches are unchanged (except for adding Alex' Acked-by to the amdgpu patch). Now that the DisplayPort

From: Hans Verkuil <hans.verkuil at cisco.com> Now that the DisplayPort CEC-Tunneling-over-AUX drm+i915 support has been merged in the mainline kernel it is time to roll this out to nouveau and amdgpu as well. I combined both in the same patch series since both depend on the same first patch, the comments in this cover letter apply to both and the implementation is also very similar (and

This patchset does some cleaning up of the atomic VCPI helpers for MST, and converts nouveau over to using them. I would have included amdgpu in this patch as well, but at the moment moving them over to the atomic helpers is nontrivial. Cc: Daniel Vetter <daniel at ffwll.ch> Lyude Paul (6): drm/dp_mst: Deprecate drm_dp_find_vcpi_slots() drm/dp_mst: Remove all evil duplicate state