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drm/i915/sdvo: Use an integer mapping for supported tv format modes 

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 13:50:26 +01:00 committed by Eric Anholt
parent 32aad86fe8
commit 400397506f
1 changed files with 11 additions and 23 deletions
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34
drivers/gpu/drm/i915/intel_sdvo.c
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@ -98,7 +98,7 @@ struct intel_sdvo {
bool is_tv;
/* This is for current tv format name */
char *tv_format_name;
int tv_format_index;
/**
* This is set if we treat the device as HDMI, instead of DVI.
@ -141,7 +141,7 @@ struct intel_sdvo_connector {
uint16_t output_flag;
/* This contains all current supported TV format */
char *tv_format_supported[TV_FORMAT_NUM];
u8 tv_format_supported[TV_FORMAT_NUM];
int format_supported_num;
struct drm_property *tv_format_property;
struct drm_property *tv_format_name_property[TV_FORMAT_NUM];
@ -958,13 +958,9 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
{
struct intel_sdvo_tv_format format;
uint32_t format_map, i;
uint32_t format_map;
for (i = 0; i < TV_FORMAT_NUM; i++)
if (tv_format_names[i] == intel_sdvo->tv_format_name)
break;
format_map = 1 << i;
format_map = 1 << intel_sdvo->tv_format_index;
memset(&format, 0, sizeof(format));
memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
@ -1614,11 +1610,7 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
/* Read the list of supported input resolutions for the selected TV
* format.
*/
for (i = 0; i < TV_FORMAT_NUM; i++)
if (tv_format_names[i] == intel_sdvo->tv_format_name)
break;
format_map = (1 << i);
format_map = 1 << intel_sdvo->tv_format_index;
memcpy(&tv_res, &format_map,
min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
@ -1640,7 +1632,6 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
if (nmode)
drm_mode_probed_add(connector, nmode);
}
}
static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
@ -1768,11 +1759,11 @@ intel_sdvo_set_property(struct drm_connector *connector,
if (val >= TV_FORMAT_NUM)
return -EINVAL;
if (intel_sdvo->tv_format_name ==
if (intel_sdvo->tv_format_index ==
intel_sdvo_connector->tv_format_supported[val])
return 0;
intel_sdvo->tv_format_name = intel_sdvo_connector->tv_format_supported[val];
intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
changed = true;
} else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
cmd = 0;
@ -2271,11 +2262,8 @@ static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
intel_sdvo_connector->format_supported_num = 0;
for (i = 0 ; i < TV_FORMAT_NUM; i++)
if (format_map & (1 << i)) {
intel_sdvo_connector->tv_format_supported
[intel_sdvo_connector->format_supported_num++] =
tv_format_names[i];
}
if (format_map & (1 << i))
intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
intel_sdvo_connector->tv_format_property =
@ -2285,9 +2273,9 @@ static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
drm_property_add_enum(
intel_sdvo_connector->tv_format_property, i,
i, intel_sdvo_connector->tv_format_supported[i]);
i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
intel_sdvo->tv_format_name = intel_sdvo_connector->tv_format_supported[0];
intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
drm_connector_attach_property(&intel_sdvo_connector->base.base,
intel_sdvo_connector->tv_format_property, 0);
return true;