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path: root/drivers/gpu/drm/i915/display/intel_dpio_phy.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dpio_phy.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dpio_phy.c33
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
index 48507ed79950..44edeb2e55c0 100644
--- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
@@ -21,12 +21,13 @@
* DEALINGS IN THE SOFTWARE.
*/
-#include "display/intel_dp.h"
-
+#include "intel_ddi.h"
+#include "intel_ddi_buf_trans.h"
#include "intel_de.h"
#include "intel_display_types.h"
+#include "intel_dp.h"
#include "intel_dpio_phy.h"
-#include "intel_sideband.h"
+#include "vlv_sideband.h"
/**
* DOC: DPIO
@@ -266,15 +267,22 @@ void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port,
*ch = DPIO_CH0;
}
-void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv,
- enum port port, u32 margin, u32 scale,
- u32 enable, u32 deemphasis)
+void bxt_ddi_phy_set_signal_levels(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
{
- u32 val;
- enum dpio_phy phy;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ int level = intel_ddi_level(encoder, crtc_state, 0);
+ const struct intel_ddi_buf_trans *trans;
enum dpio_channel ch;
+ enum dpio_phy phy;
+ int n_entries;
+ u32 val;
- bxt_port_to_phy_channel(dev_priv, port, &phy, &ch);
+ trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries);
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans))
+ return;
+
+ bxt_port_to_phy_channel(dev_priv, encoder->port, &phy, &ch);
/*
* While we write to the group register to program all lanes at once we
@@ -286,12 +294,13 @@ void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv,
val = intel_de_read(dev_priv, BXT_PORT_TX_DW2_LN0(phy, ch));
val &= ~(MARGIN_000 | UNIQ_TRANS_SCALE);
- val |= margin << MARGIN_000_SHIFT | scale << UNIQ_TRANS_SCALE_SHIFT;
+ val |= trans->entries[level].bxt.margin << MARGIN_000_SHIFT |
+ trans->entries[level].bxt.scale << UNIQ_TRANS_SCALE_SHIFT;
intel_de_write(dev_priv, BXT_PORT_TX_DW2_GRP(phy, ch), val);
val = intel_de_read(dev_priv, BXT_PORT_TX_DW3_LN0(phy, ch));
val &= ~SCALE_DCOMP_METHOD;
- if (enable)
+ if (trans->entries[level].bxt.enable)
val |= SCALE_DCOMP_METHOD;
if ((val & UNIQUE_TRANGE_EN_METHOD) && !(val & SCALE_DCOMP_METHOD))
@@ -302,7 +311,7 @@ void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv,
val = intel_de_read(dev_priv, BXT_PORT_TX_DW4_LN0(phy, ch));
val &= ~DE_EMPHASIS;
- val |= deemphasis << DEEMPH_SHIFT;
+ val |= trans->entries[level].bxt.deemphasis << DEEMPH_SHIFT;
intel_de_write(dev_priv, BXT_PORT_TX_DW4_GRP(phy, ch), val);
val = intel_de_read(dev_priv, BXT_PORT_PCS_DW10_LN01(phy, ch));