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drm: Patch physical dimensions

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This commit is contained in:
Joshua Ashton 2023-09-01 22:26:57 +01:00
parent a8471d81b3
commit cf19852ce3
1 changed files with 5 additions and 1 deletions
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6
src/drm.cpp
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@ -574,6 +574,10 @@ static void create_patched_edid( const uint8_t *orig_data, size_t orig_size, drm
if ( g_bRotated )
{
// Patch width, height.
drm_log.infof("[patched edid] Patching dims %ux%u -> %ux%u", edid[0x15], edid[0x16], edid[0x16], edid[0x15]);
std::swap(edid[0x15], edid[0x16]);
for (uint32_t i = 0; i < EDID_BYTE_DESCRIPTOR_COUNT; i++)
{
uint8_t *byte_desc_data = &edid[0x36 + i * EDID_BYTE_DESCRIPTOR_SIZE];
@ -581,7 +585,7 @@ static void create_patched_edid( const uint8_t *orig_data, size_t orig_size, drm
{
uint32_t horiz = (get_bit_range(byte_desc_data[4], 7, 4) << 8) | byte_desc_data[2];
uint32_t vert = (get_bit_range(byte_desc_data[7], 7, 4) << 8) | byte_desc_data[5];
drm_log.infof("[patched edid] Patching %ux%u -> %ux%u", horiz, vert, vert, horiz);
drm_log.infof("[patched edid] Patching res %ux%u -> %ux%u", horiz, vert, vert, horiz);
std::swap(byte_desc_data[4], byte_desc_data[7]);
std::swap(byte_desc_data[2], byte_desc_data[5]);
break;