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authorPaulo Zanoni <paulo.r.zanoni@intel.com>2012-10-23 18:30:07 -0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-10-26 10:24:51 +0200
commit82a4d9c0a82a59c1f214ab1f9ce6b34d0736a54a (patch)
tree0bd93a98b56879c6f2a27f689f6faf8d1fcfc83d /drivers/gpu/drm/i915/intel_ddi.c
parentd6c50ff8cae880f20969556698a3246ac401144c (diff)
drm/i915: turn the eDP DDI panel on/off
It's an important step :) Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index efd1a728390..b263302f350 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1163,12 +1163,19 @@ void intel_ddi_pre_enable(struct intel_encoder *intel_encoder)
struct drm_i915_private *dev_priv = encoder->dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum port port = intel_ddi_get_encoder_port(intel_encoder);
+ int type = intel_encoder->type;
- WARN_ON(intel_crtc->ddi_pll_sel == PORT_CLK_SEL_NONE);
+ if (type == INTEL_OUTPUT_EDP) {
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+ ironlake_edp_panel_vdd_on(intel_dp);
+ ironlake_edp_panel_on(intel_dp);
+ ironlake_edp_panel_vdd_off(intel_dp, true);
+ }
+ WARN_ON(intel_crtc->ddi_pll_sel == PORT_CLK_SEL_NONE);
I915_WRITE(PORT_CLK_SEL(port), intel_crtc->ddi_pll_sel);
- if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT) {
+ if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
@@ -1196,6 +1203,7 @@ void intel_ddi_post_disable(struct intel_encoder *intel_encoder)
struct drm_encoder *encoder = &intel_encoder->base;
struct drm_i915_private *dev_priv = encoder->dev->dev_private;
enum port port = intel_ddi_get_encoder_port(intel_encoder);
+ int type = intel_encoder->type;
uint32_t val;
bool wait = false;
@@ -1214,6 +1222,12 @@ void intel_ddi_post_disable(struct intel_encoder *intel_encoder)
if (wait)
intel_wait_ddi_buf_idle(dev_priv, port);
+ if (type == INTEL_OUTPUT_EDP) {
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+ ironlake_edp_panel_vdd_on(intel_dp);
+ ironlake_edp_panel_off(intel_dp);
+ }
+
I915_WRITE(PORT_CLK_SEL(port), PORT_CLK_SEL_NONE);
}