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drm/radeon: don't mess with hot plug detect for eDP or LVDS connector v2

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It seems imac pannel doesn't like whe we change the hot plug setup
and then refuse to work. This help but doesn't fully fix:
https://bugzilla.redhat.com/show_bug.cgi?id=726143

v2: fix typo and improve commit message

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jerome Glisse 2012-05-04 11:06:22 -04:00 • committed by Dave Airlie
parent 10f5ab0405
commit 455c89b957
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/radeon/r600.c
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@ -713,6 +713,14 @@ void r600_hpd_init(struct radeon_device *rdev)
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
/* don't try to enable hpd on eDP or LVDS avoid breaking the
* aux dp channel on imac and help (but not completely fix)
* https://bugzilla.redhat.com/show_bug.cgi?id=726143
*/
continue;
}
if (ASIC_IS_DCE3(rdev)) {
u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
if (ASIC_IS_DCE32(rdev))