Adding dri-devel..

On May-22-2014 4:50 PM, Kannan, Vandana wrote:

Create and attach the drm property to set aspect ratio. If there is no user specified value, then PAR_NONE/Automatic option is set by default. User can select aspect ratio 4:3 or 16:9. The aspect ratio selected by user would come into effect with a mode set.

Signed-off-by: Vandana Kannan vandana.kannan@intel.com

drivers/gpu/drm/i915/i915_drv.h | 5 +++++ drivers/gpu/drm/i915/intel_drv.h | 1 + drivers/gpu/drm/i915/intel_hdmi.c | 31 +++++++++++++++++++++++++++++++ 3 files changed, 37 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 13495a4..8dc5f59 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2691,6 +2691,11 @@ int vlv_freq_opcode(struct drm_i915_private *dev_priv, int val); #define INTEL_BROADCAST_RGB_FULL 1 #define INTEL_BROADCAST_RGB_LIMITED 2

+/* Aspect ratio property */ +#define INTEL_ASPECT_RATIO_AUTO 0 +#define INTEL_ASPECT_RATIO_4_3 1 +#define INTEL_ASPECT_RATIO_16_9 2

static inline uint32_t i915_vgacntrl_reg(struct drm_device *dev) { if (HAS_PCH_SPLIT(dev)) diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 287b89e..f9f19b6 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -488,6 +488,7 @@ struct intel_hdmi { bool has_audio; enum hdmi_force_audio force_audio; bool rgb_quant_range_selectable;

• enum hdmi_picture_aspect aspect_ratio; void (*write_infoframe)(struct drm_encoder *encoder, enum hdmi_infoframe_type type, const void *frame, ssize_t len);

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 171d0dd..2c6aa76 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -367,6 +367,9 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder, union hdmi_infoframe frame; int ret;

• /* Set user selected PAR to incoming mode's member */
• adjusted_mode->picture_aspect_ratio = intel_hdmi->aspect_ratio;
• ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, adjusted_mode); if (ret < 0) {

@@ -1124,6 +1127,23 @@ intel_hdmi_set_property(struct drm_connector *connector, goto done; }

• if (property == connector->dev->mode_config.aspect_ratio_property) {

• switch (val) {
  

• case INTEL_ASPECT_RATIO_AUTO:
  

• 	intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_NONE;
  

• 	break;
  

• case INTEL_ASPECT_RATIO_4_3:
  

• 	intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_4_3;
  

• 	break;
  

• case INTEL_ASPECT_RATIO_16_9:
  

• 	intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_16_9;
  

• 	break;
  

• default:
  

• 	return -EINVAL;
  

• }
  

• goto done;
  

• }
• return -EINVAL;

done: @@ -1416,11 +1436,22 @@ static const struct drm_encoder_funcs intel_hdmi_enc_funcs = { };

static void +intel_attach_aspect_ratio_property(struct drm_connector *connector) +{

• drm_mode_create_aspect_ratio_property(connector->dev);
• drm_object_attach_property(&connector->base,

• 	connector->dev->mode_config.aspect_ratio_property,
  

• 	HDMI_PICTURE_ASPECT_NONE);
  

+}

+static void intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *connector) { intel_attach_force_audio_property(connector); intel_attach_broadcast_rgb_property(connector); intel_hdmi->color_range_auto = true;

• intel_attach_aspect_ratio_property(connector);
• intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_NONE;

}

void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,