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authorDamien Lespiau2013-12-03 14:56:24 +0100
committerDaniel Vetter2014-09-24 14:41:33 +0200
commitca3704555c1360b98c645a0c5f882a3011a225f0 (patch)
tree12e378a6bcc6acd99c5de306d9eb821a84d4272e /drivers/gpu/drm/i915/intel_display.c
parentdrm/i915/skl: Don't create a VGA connector on Skylake (diff)
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drm/i915/skl: Don't try to read out the PCH transcoder state if not present
When the platform doesn't have a FDI link, don't try to read out the state of a potential PCH transcoder. Reviewed-by: Thomas Wood <thomas.wood@intel.com> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> [danvet: Don't open-code HAS_FDI if there's only one place that needs it. Acked by Damien on irc.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3c3656cd797d..40f73fc4ce65 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7867,7 +7867,8 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
* DDI E. So just check whether this pipe is wired to DDI E and whether
* the PCH transcoder is on.
*/
- if ((port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) {
+ if (INTEL_INFO(dev)->gen < 9 &&
+ (port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) {
pipe_config->has_pch_encoder = true;
tmp = I915_READ(FDI_RX_CTL(PIPE_A));