From ae4edb8089df67d25fbd9386012a335a64aca287 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Mon, 22 Apr 2013 17:07:23 +0200 Subject: drm/i915: avoid full modeset when changing the color range properties MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Automatic color range selection was added in commit 55bc60db5988c8366751d3d04dd690698a53412c Author: Ville Syrjälä Date: Thu Jan 17 16:31:29 2013 +0200 drm/i915: Add "Automatic" mode for the "Broadcast RGB" property but that removed the check to avoid a full modeset if the value is unchanged. Unfortunately X sets all properties with their current value at start-up, resulting in some ugly flickering which shouldn't be there. v2: Change old_range from bool to uint32_t, spotted by Ville. v3: Actually git add everything ;-) Cc: Ville Syrjälä Cc: Paulo Zanoni Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_sdvo.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/gpu/drm/i915/intel_sdvo.c') diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index a618a6a45a7..d15428404b9 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1930,6 +1930,9 @@ intel_sdvo_set_property(struct drm_connector *connector, } if (property == dev_priv->broadcast_rgb_property) { + bool old_auto = intel_sdvo->color_range_auto; + uint32_t old_range = intel_sdvo->color_range; + switch (val) { case INTEL_BROADCAST_RGB_AUTO: intel_sdvo->color_range_auto = true; @@ -1947,6 +1950,11 @@ intel_sdvo_set_property(struct drm_connector *connector, default: return -EINVAL; } + + if (old_auto == intel_sdvo->color_range_auto && + old_range == intel_sdvo->color_range) + return 0; + goto done; } -- cgit v1.2.3