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drm/i915/sdvo: Add dot crawl property 

This property is slightly unusual in that it is a boolean and so has no
GET_MAX command.

Reference:

  Bug 28636 - missing TV parameter "Dot Crawl freeze"
  https://bugs.freedesktop.org/show_bug.cgi?id=28636

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Chris Wilson 2010-08-04 13:50:29 +01:00 committed by Eric Anholt
parent c55217064e
commit e044218a8e
1 changed files with 24 additions and 0 deletions
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24
drivers/gpu/drm/i915/intel_sdvo.c
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@ -161,6 +161,7 @@ struct intel_sdvo_connector {
struct drm_property *flicker_filter_2d;
struct drm_property *tv_chroma_filter;
struct drm_property *tv_luma_filter;
struct drm_property *dot_crawl;
/* add the property for the SDVO-TV/LVDS */
struct drm_property *brightness;
@ -182,6 +183,7 @@ struct intel_sdvo_connector {
u32 cur_flicker_filter_2d, max_flicker_filter_2d;
u32 cur_tv_chroma_filter, max_tv_chroma_filter;
u32 cur_tv_luma_filter, max_tv_luma_filter;
u32 cur_dot_crawl, max_dot_crawl;
};
static struct intel_sdvo *enc_to_intel_sdvo(struct drm_encoder *encoder)
@ -1751,6 +1753,8 @@ intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
if (intel_sdvo_connector->tv_chroma_filter)
drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
if (intel_sdvo_connector->dot_crawl)
drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
if (intel_sdvo_connector->brightness)
drm_property_destroy(dev, intel_sdvo_connector->brightness);
}
@ -1867,6 +1871,7 @@ intel_sdvo_set_property(struct drm_connector *connector,
CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
}
return -EINVAL; /* unknown property */
@ -2439,6 +2444,25 @@ intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
if (enhancements.dot_crawl) {
if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
return false;
intel_sdvo_connector->max_dot_crawl = 1;
intel_sdvo_connector->cur_dot_crawl = response & 0x1;
intel_sdvo_connector->dot_crawl =
drm_property_create(dev, DRM_MODE_PROP_RANGE, "dot_crawl", 2);
if (!intel_sdvo_connector->dot_crawl)
return false;
intel_sdvo_connector->dot_crawl->values[0] = 0;
intel_sdvo_connector->dot_crawl->values[1] = 1;
drm_connector_attach_property(connector,
intel_sdvo_connector->dot_crawl,
intel_sdvo_connector->cur_dot_crawl);
DRM_DEBUG_KMS("dot crawl: current %d\n", response);
}
return true;
}