Neatly reduce displayid boilerplate in code. No functional changes.
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/drm_edid.c | 23 ++++++-----------------
1 file changed, 6 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 58e61f792bc7..fbaa7d679cb2 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -5333,27 +5333,16 @@ static int add_displayid_detailed_1_modes(struct drm_connector *connector,
static int add_displayid_detailed_modes(struct drm_connector *connector,
struct edid *edid)
{
- const u8 *displayid;
- int length, idx;
const struct displayid_block *block;
+ struct displayid_iter iter;
int num_modes = 0;
- int ext_index = 0;
-
- for (;;) {
- displayid = drm_find_displayid_extension(edid, &length, &idx,
- &ext_index);
- if (!displayid)
- break;
- idx += sizeof(struct displayid_hdr);
- for_each_displayid_db(displayid, block, idx, length) {
- switch (block->tag) {
- case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
- num_modes += add_displayid_detailed_1_modes(connector, block);
- break;
- }
- }
+ displayid_iter_edid_begin(edid, &iter);
+ displayid_iter_for_each(block, &iter) {
+ if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING)
+ num_modes += add_displayid_detailed_1_modes(connector, block);
}
+ displayid_iter_end(&iter);
return num_modes;
}
--
2.20.1
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