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drm/i915/tv: Mark the format names as constant and so avoid the memleak

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-09-05 00:52:34 +01:00
parent 974b93315b
commit 763a4a0191
1 changed files with 17 additions and 19 deletions
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36
drivers/gpu/drm/i915/intel_tv.c
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@ -48,7 +48,7 @@ struct intel_tv {
struct intel_encoder base;
int type;
char *tv_format;
const char *tv_format;
int margin[4];
u32 save_TV_H_CTL_1;
u32 save_TV_H_CTL_2;
@ -350,7 +350,7 @@ static const struct video_levels component_levels = {
struct tv_mode {
char *name;
const char *name;
int clock;
int refresh; /* in millihertz (for precision) */
u32 oversample;
@ -922,7 +922,7 @@ intel_tv_dpms(struct drm_encoder *encoder, int mode)
}
static const struct tv_mode *
intel_tv_mode_lookup (char *tv_format)
intel_tv_mode_lookup(const char *tv_format)
{
int i;
@ -936,13 +936,14 @@ intel_tv_mode_lookup (char *tv_format)
}
static const struct tv_mode *
intel_tv_mode_find (struct intel_tv *intel_tv)
intel_tv_mode_find(struct intel_tv *intel_tv)
{
return intel_tv_mode_lookup(intel_tv->tv_format);
}
static enum drm_mode_status
intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode)
intel_tv_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
@ -952,6 +953,7 @@ intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mo
if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode) * 1000)
< 1000)
return MODE_OK;
return MODE_CLOCK_RANGE;
}
@ -1369,11 +1371,10 @@ intel_tv_detect(struct drm_connector *connector)
return connector_status_connected;
}
static struct input_res {
char *name;
static const struct input_res {
const char *name;
int w, h;
} input_res_table[] =
{
} input_res_table[] = {
{"640x480", 640, 480},
{"800x600", 800, 600},
{"1024x768", 1024, 768},
@ -1424,7 +1425,7 @@ intel_tv_get_modes(struct drm_connector *connector)
for (j = 0; j < ARRAY_SIZE(input_res_table);
j++) {
struct input_res *input = &input_res_table[j];
const struct input_res *input = &input_res_table[j];
unsigned int hactive_s = input->w;
unsigned int vactive_s = input->h;
@ -1601,7 +1602,7 @@ intel_tv_init(struct drm_device *dev)
struct intel_encoder *intel_encoder;
struct intel_connector *intel_connector;
u32 tv_dac_on, tv_dac_off, save_tv_dac;
char **tv_format_names;
char *tv_format_names[ARRAY_SIZE(tv_modes)];
int i, initial_mode = 0;
if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED)
@ -1672,7 +1673,7 @@ intel_tv_init(struct drm_device *dev)
intel_tv->margin[TV_MARGIN_RIGHT] = 46;
intel_tv->margin[TV_MARGIN_BOTTOM] = 37;
intel_tv->tv_format = kstrdup(tv_modes[initial_mode].name, GFP_KERNEL);
intel_tv->tv_format = tv_modes[initial_mode].name;
drm_encoder_helper_add(&intel_encoder->enc, &intel_tv_helper_funcs);
drm_connector_helper_add(connector, &intel_tv_connector_helper_funcs);
@ -1680,13 +1681,11 @@ intel_tv_init(struct drm_device *dev)
connector->doublescan_allowed = false;
/* Create TV properties then attach current values */
tv_format_names = kmalloc(sizeof(char *) * ARRAY_SIZE(tv_modes),
GFP_KERNEL);
if (!tv_format_names)
goto out;
for (i = 0; i < ARRAY_SIZE(tv_modes); i++)
tv_format_names[i] = tv_modes[i].name;
drm_mode_create_tv_properties(dev, ARRAY_SIZE(tv_modes), tv_format_names);
tv_format_names[i] = (char *)tv_modes[i].name;
drm_mode_create_tv_properties(dev,
ARRAY_SIZE(tv_modes),
tv_format_names);
drm_connector_attach_property(connector, dev->mode_config.tv_mode_property,
initial_mode);
@ -1702,6 +1701,5 @@ intel_tv_init(struct drm_device *dev)
drm_connector_attach_property(connector,
dev->mode_config.tv_bottom_margin_property,
intel_tv->margin[TV_MARGIN_BOTTOM]);
out:
drm_sysfs_connector_add(connector);
}