diff options
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 155 |
1 files changed, 151 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index b5a5cfae7ba1..86308d7b5b3f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3886,6 +3886,128 @@ fail: return result; } +static int fill_hdr_info_packet(const struct drm_connector_state *state, + struct dc_info_packet *out) +{ + struct hdmi_drm_infoframe frame; + unsigned char buf[30]; /* 26 + 4 */ + ssize_t len; + int ret, i; + + memset(out, 0, sizeof(*out)); + + if (!state->hdr_output_metadata) + return 0; + + ret = drm_hdmi_infoframe_set_hdr_metadata(&frame, state); + if (ret) + return ret; + + len = hdmi_drm_infoframe_pack_only(&frame, buf, sizeof(buf)); + if (len < 0) + return (int)len; + + /* Static metadata is a fixed 26 bytes + 4 byte header. */ + if (len != 30) + return -EINVAL; + + /* Prepare the infopacket for DC. */ + switch (state->connector->connector_type) { + case DRM_MODE_CONNECTOR_HDMIA: + out->hb0 = 0x87; /* type */ + out->hb1 = 0x01; /* version */ + out->hb2 = 0x1A; /* length */ + out->sb[0] = buf[3]; /* checksum */ + i = 1; + break; + + case DRM_MODE_CONNECTOR_DisplayPort: + case DRM_MODE_CONNECTOR_eDP: + out->hb0 = 0x00; /* sdp id, zero */ + out->hb1 = 0x87; /* type */ + out->hb2 = 0x1D; /* payload len - 1 */ + out->hb3 = (0x13 << 2); /* sdp version */ + out->sb[0] = 0x01; /* version */ + out->sb[1] = 0x1A; /* length */ + i = 2; + break; + + default: + return -EINVAL; + } + + memcpy(&out->sb[i], &buf[4], 26); + out->valid = true; + + print_hex_dump(KERN_DEBUG, "HDR SB:", DUMP_PREFIX_NONE, 16, 1, out->sb, + sizeof(out->sb), false); + + return 0; +} + +static bool +is_hdr_metadata_different(const struct drm_connector_state *old_state, + const struct drm_connector_state *new_state) +{ + struct drm_property_blob *old_blob = old_state->hdr_output_metadata; + struct drm_property_blob *new_blob = new_state->hdr_output_metadata; + + if (old_blob != new_blob) { + if (old_blob && new_blob && + old_blob->length == new_blob->length) + return memcmp(old_blob->data, new_blob->data, + old_blob->length); + + return true; + } + + return false; +} + +static int +amdgpu_dm_connector_atomic_check(struct drm_connector *conn, + struct drm_connector_state *new_con_state) +{ + struct drm_atomic_state *state = new_con_state->state; + struct drm_connector_state *old_con_state = + drm_atomic_get_old_connector_state(state, conn); + struct drm_crtc *crtc = new_con_state->crtc; + struct drm_crtc_state *new_crtc_state; + int ret; + + if (!crtc) + return 0; + + if (is_hdr_metadata_different(old_con_state, new_con_state)) { + struct dc_info_packet hdr_infopacket; + + ret = fill_hdr_info_packet(new_con_state, &hdr_infopacket); + if (ret) + return ret; + + new_crtc_state = drm_atomic_get_crtc_state(state, crtc); + if (IS_ERR(new_crtc_state)) + return PTR_ERR(new_crtc_state); + + /* + * DC considers the stream backends changed if the + * static metadata changes. Forcing the modeset also + * gives a simple way for userspace to switch from + * 8bpc to 10bpc when setting the metadata to enter + * or exit HDR. + * + * Changing the static metadata after it's been + * set is permissible, however. So only force a + * modeset if we're entering or exiting HDR. + */ + new_crtc_state->mode_changed = + !old_con_state->hdr_output_metadata || + !new_con_state->hdr_output_metadata; + } + + return 0; +} + static const struct drm_connector_helper_funcs amdgpu_dm_connector_helper_funcs = { /* @@ -3896,6 +4018,7 @@ amdgpu_dm_connector_helper_funcs = { */ .get_modes = get_modes, .mode_valid = amdgpu_dm_connector_mode_valid, + .atomic_check = amdgpu_dm_connector_atomic_check, }; static void dm_crtc_helper_disable(struct drm_crtc *crtc) @@ -4715,6 +4838,10 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, if (connector_type == DRM_MODE_CONNECTOR_HDMIA || connector_type == DRM_MODE_CONNECTOR_DisplayPort || connector_type == DRM_MODE_CONNECTOR_eDP) { + drm_object_attach_property( + &aconnector->base.base, + dm->ddev->mode_config.hdr_output_metadata_property, 0); + drm_connector_attach_vrr_capable_property( &aconnector->base); } @@ -5817,7 +5944,9 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); struct dc_surface_update dummy_updates[MAX_SURFACES]; struct dc_stream_update stream_update; + struct dc_info_packet hdr_packet; struct dc_stream_status *status = NULL; + bool abm_changed, hdr_changed, scaling_changed; memset(&dummy_updates, 0, sizeof(dummy_updates)); memset(&stream_update, 0, sizeof(stream_update)); @@ -5834,11 +5963,19 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); - if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state) && - (dm_new_crtc_state->abm_level == dm_old_crtc_state->abm_level)) + scaling_changed = is_scaling_state_different(dm_new_con_state, + dm_old_con_state); + + abm_changed = dm_new_crtc_state->abm_level != + dm_old_crtc_state->abm_level; + + hdr_changed = + is_hdr_metadata_different(old_con_state, new_con_state); + + if (!scaling_changed && !abm_changed && !hdr_changed) continue; - if (is_scaling_state_different(dm_new_con_state, dm_old_con_state)) { + if (scaling_changed) { update_stream_scaling_settings(&dm_new_con_state->base.crtc->mode, dm_new_con_state, (struct dc_stream_state *)dm_new_crtc_state->stream); @@ -5846,12 +5983,17 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) stream_update.dst = dm_new_crtc_state->stream->dst; } - if (dm_new_crtc_state->abm_level != dm_old_crtc_state->abm_level) { + if (abm_changed) { dm_new_crtc_state->stream->abm_level = dm_new_crtc_state->abm_level; stream_update.abm_level = &dm_new_crtc_state->abm_level; } + if (hdr_changed) { + fill_hdr_info_packet(new_con_state, &hdr_packet); + stream_update.hdr_static_metadata = &hdr_packet; + } + status = dc_stream_get_status(dm_new_crtc_state->stream); WARN_ON(!status); WARN_ON(!status->plane_count); @@ -6197,6 +6339,11 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm, dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level; + ret = fill_hdr_info_packet(drm_new_conn_state, + &new_stream->hdr_static_metadata); + if (ret) + goto fail; + if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) && dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) { new_crtc_state->mode_changed = false; |