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drm/edid: add typedef for block read function

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Make the callback a bit easier on the eye.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/10b8721bb7ea8c7df1fd0c1d97c5d446905abbf4.1649685475.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2022-04-11 17:00:29 +03:00
parent 63cae08153
commit 89fb7536ad
1 changed files with 9 additions and 9 deletions
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18
drivers/gpu/drm/drm_edid.c
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@@ -2037,10 +2037,11 @@ int drm_add_override_edid_modes(struct drm_connector *connector)
}
EXPORT_SYMBOL(drm_add_override_edid_modes);
typedef int read_block_fn(void *context, u8 *buf, unsigned int block, size_t len);
static struct edid *drm_do_get_edid_base_block(struct drm_connector *connector,
int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
size_t len),
void *data)
read_block_fn read_block,
void *context)
{
int *null_edid_counter = connector ? &connector->null_edid_counter : NULL;
bool *edid_corrupt = connector ? &connector->edid_corrupt : NULL;
@@ -2053,7 +2054,7 @@ static struct edid *drm_do_get_edid_base_block(struct drm_connector *connector,
/* base block fetch */
for (try = 0; try < 4; try++) {
if (get_edid_block(data, edid, 0, EDID_LENGTH))
if (read_block(context, edid, 0, EDID_LENGTH))
goto out;
if (drm_edid_block_valid(edid, 0, false, edid_corrupt))
break;
@@ -2097,9 +2098,8 @@ static struct edid *drm_do_get_edid_base_block(struct drm_connector *connector,
* Return: Pointer to valid EDID or NULL if we couldn't find any.
*/
struct edid *drm_do_get_edid(struct drm_connector *connector,
int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
size_t len),
void *data)
read_block_fn read_block,
void *context)
{
int j, invalid_blocks = 0;
struct edid *edid, *new, *override;
@@ -2108,7 +2108,7 @@ struct edid *drm_do_get_edid(struct drm_connector *connector,
if (override)
return override;
edid = drm_do_get_edid_base_block(connector, get_edid_block, data);
edid = drm_do_get_edid_base_block(connector, read_block, context);
if (!edid)
return NULL;
@@ -2125,7 +2125,7 @@ struct edid *drm_do_get_edid(struct drm_connector *connector,
int try;
for (try = 0; try < 4; try++) {
if (get_edid_block(data, block, j, EDID_LENGTH))
if (read_block(context, block, j, EDID_LENGTH))
goto out;
if (drm_edid_block_valid(block, j, false, NULL))
break;