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drm/radeon/kms: allow max clock of 340 Mhz on hdmi 1.3+

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hdmi 1.3 raises the max clock from 165 Mhz to 340 Mhz.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-03-02 10:21:05 -05:00 committed by Dave Airlie
parent ba77a26cb5
commit e1e84017f9
1 changed files with 10 additions and 1 deletions
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11
drivers/gpu/drm/radeon/radeon_connectors.c
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@ -972,7 +972,16 @@ static int radeon_dvi_mode_valid(struct drm_connector *connector,
(radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
(radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
return MODE_OK;
else
else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
if (ASIC_IS_DCE3(rdev)) {
/* HDMI 1.3+ supports max clock of 340 Mhz */
if (mode->clock > 340000)
return MODE_CLOCK_HIGH;
else
return MODE_OK;
} else
return MODE_CLOCK_HIGH;
} else
return MODE_CLOCK_HIGH;
}
return MODE_OK;