On Fri, 27 Mar 2020, Vipin Anand <vipin.anand@xxxxxxxxx> wrote:
> From: Uma Shankar <uma.shankar@xxxxxxxxx>
>
> Send Dynamic Range and Mastering Infoframe (DRM for HDR metadata)
> as SDP packet to LSPCON following the DP spec. LSPCON receives the
> same and sends it to HDMI sink.
>
> v2: Suppressed some warnings. No functional change.
>
> Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
> ---
> drivers/gpu/drm/drm_atomic_state_helper.c | 1 +
> drivers/gpu/drm/drm_atomic_uapi.c | 1 +
> drivers/gpu/drm/i915/display/intel_lspcon.h | 1 +
> include/drm/drm_connector.h | 1 +
> 4 files changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c
> index 7cf3cf936547..7cf98c06f424 100644
> --- a/drivers/gpu/drm/drm_atomic_state_helper.c
> +++ b/drivers/gpu/drm/drm_atomic_state_helper.c
> @@ -468,6 +468,7 @@ __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
>
> if (state->hdr_output_metadata)
> drm_property_blob_get(state->hdr_output_metadata);
> + state->hdr_metadata_changed = false;
>
> /* Don't copy over a writeback job, they are used only once */
> state->writeback_job = NULL;
> diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
> index a1e5e262bae2..4c520e0b9872 100644
> --- a/drivers/gpu/drm/drm_atomic_uapi.c
> +++ b/drivers/gpu/drm/drm_atomic_uapi.c
> @@ -734,6 +734,7 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector,
> val,
> sizeof(struct hdr_output_metadata), -1,
> &replaced);
> + state->hdr_metadata_changed |= replaced;
> return ret;
> } else if (property == config->aspect_ratio_property) {
> state->picture_aspect_ratio = val;
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h
> index b2051f236223..bc34124f532e 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.h
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h
> @@ -38,4 +38,5 @@ void lspcon_drm_write_infoframe(struct intel_encoder *encoder,
> const struct intel_crtc_state *crtc_state,
> unsigned int type,
> const void *frame, ssize_t len);
> +
Superfluous change.
Patch needs to be posted to dri-devel.
BR,
Jani.
> #endif /* __INTEL_LSPCON_H__ */
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index 221910948b37..28df268aa1a7 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -661,6 +661,7 @@ struct drm_connector_state {
> * DRM blob property for HDR output metadata
> */
> struct drm_property_blob *hdr_output_metadata;
> + u8 hdr_metadata_changed : 1;
> };
>
> /**
--
Jani Nikula, Intel Open Source Graphics Center
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