From 86beaea131009a6c0473dad83a87bbb3ec803f9d Mon Sep 17 00:00:00 2001 From: Uma Shankar Date: Thu, 16 May 2019 19:40:14 +0530 Subject: [PATCH] drm/i915: Enabled Modeset when HDR Infoframe changes MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This patch enables modeset whenever HDR metadata needs to be updated to sink. v2: Addressed Shashank's review comments. v3: Added Shashank's RB. v4: Addressed Ville's review comments. v5: Addressed Ville's review comments. Signed-off-by: Ville Syrjälä Signed-off-by: Uma Shankar Reviewed-by: Shashank Sharma [mlankhorst: Fix up commit message, reorder] Reviewed-by: Maarten Lankhorst Signed-off-by: Maarten Lankhorst Link: https://patchwork.freedesktop.org/patch/msgid/1558015817-12025-10-git-send-email-uma.shankar@intel.com --- drivers/gpu/drm/i915/intel_atomic.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index 58b8049649a0..6b985e895a97 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -105,6 +105,16 @@ int intel_digital_connector_atomic_set_property(struct drm_connector *connector, return -EINVAL; } +static bool blob_equal(const struct drm_property_blob *a, + const struct drm_property_blob *b) +{ + if (a && b) + return a->length == b->length && + !memcmp(a->data, b->data, a->length); + + return !a == !b; +} + int intel_digital_connector_atomic_check(struct drm_connector *conn, struct drm_connector_state *new_state) { @@ -132,7 +142,9 @@ int intel_digital_connector_atomic_check(struct drm_connector *conn, new_conn_state->base.colorspace != old_conn_state->base.colorspace || new_conn_state->base.picture_aspect_ratio != old_conn_state->base.picture_aspect_ratio || new_conn_state->base.content_type != old_conn_state->base.content_type || - new_conn_state->base.scaling_mode != old_conn_state->base.scaling_mode) + new_conn_state->base.scaling_mode != old_conn_state->base.scaling_mode || + !blob_equal(new_conn_state->base.hdr_output_metadata, + old_conn_state->base.hdr_output_metadata)) crtc_state->mode_changed = true; return 0; -- 2.20.1