From: Alex Deucher Date: Thu, 8 Mar 2012 00:05:01 +0000 (-0500) Subject: drm/radeon/kms: fix hdmi duallink checks X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=38aa4a568ba4c3ccba83e862a01e3e60e3b811ee;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git drm/radeon/kms: fix hdmi duallink checks All pre-SI chips are limited to 165 Mhz for single link. Code in question will be re-enabled when SI support is added. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=44755 https://bugzilla.kernel.org/show_bug.cgi?id=42887 Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 8b3d8ed52ff..8c9a8115b63 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1057,7 +1057,7 @@ static int radeon_dvi_mode_valid(struct drm_connector *connector, (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) return MODE_OK; else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { - if (ASIC_IS_DCE3(rdev)) { + if (0) { /* HDMI 1.3+ supports max clock of 340 Mhz */ if (mode->clock > 340000) return MODE_CLOCK_HIGH; diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 9419c51bcf5..26e92708d11 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -307,8 +307,6 @@ void radeon_panel_mode_fixup(struct drm_encoder *encoder, bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, u32 pixel_clock) { - struct drm_device *dev = encoder->dev; - struct radeon_device *rdev = dev->dev_private; struct drm_connector *connector; struct radeon_connector *radeon_connector; struct radeon_connector_atom_dig *dig_connector; @@ -326,7 +324,7 @@ bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, case DRM_MODE_CONNECTOR_HDMIB: if (radeon_connector->use_digital) { /* HDMI 1.3 supports up to 340 Mhz over single link */ - if (ASIC_IS_DCE3(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { + if (0 && drm_detect_hdmi_monitor(radeon_connector->edid)) { if (pixel_clock > 340000) return true; else @@ -348,7 +346,7 @@ bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, return false; else { /* HDMI 1.3 supports up to 340 Mhz over single link */ - if (ASIC_IS_DCE3(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { + if (0 && drm_detect_hdmi_monitor(radeon_connector->edid)) { if (pixel_clock > 340000) return true; else