drm/i915: Pass pipe_config to fdi_link_train() functions
It is preferred to pass pipe_config to functions instead of accessing
crtc->config directly. Follow suit and pass pipe_config to the fdi link
train functions.
v2: Add const; s/pipe_config/crtc_state/ (Ville)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302125857.14665-5-ander.conselvan.de.oliveira@intel.com
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5640f66..649251c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3688,7 +3688,8 @@ static void intel_fdi_normal_train(struct intel_crtc *crtc)
}
/* The FDI link training functions for ILK/Ibexpeak. */
-static void ironlake_fdi_link_train(struct intel_crtc *crtc)
+static void ironlake_fdi_link_train(struct intel_crtc *crtc,
+ const struct intel_crtc_state *crtc_state)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -3713,7 +3714,7 @@ static void ironlake_fdi_link_train(struct intel_crtc *crtc)
reg = FDI_TX_CTL(pipe);
temp = I915_READ(reg);
temp &= ~FDI_DP_PORT_WIDTH_MASK;
- temp |= FDI_DP_PORT_WIDTH(crtc->config->fdi_lanes);
+ temp |= FDI_DP_PORT_WIDTH(crtc_state->fdi_lanes);
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_1;
I915_WRITE(reg, temp | FDI_TX_ENABLE);
@@ -3788,7 +3789,8 @@ static const int snb_b_fdi_train_param[] = {
};
/* The FDI link training functions for SNB/Cougarpoint. */
-static void gen6_fdi_link_train(struct intel_crtc *crtc)
+static void gen6_fdi_link_train(struct intel_crtc *crtc,
+ const struct intel_crtc_state *crtc_state)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -3811,7 +3813,7 @@ static void gen6_fdi_link_train(struct intel_crtc *crtc)
reg = FDI_TX_CTL(pipe);
temp = I915_READ(reg);
temp &= ~FDI_DP_PORT_WIDTH_MASK;
- temp |= FDI_DP_PORT_WIDTH(crtc->config->fdi_lanes);
+ temp |= FDI_DP_PORT_WIDTH(crtc_state->fdi_lanes);
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_1;
temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
@@ -3920,7 +3922,8 @@ static void gen6_fdi_link_train(struct intel_crtc *crtc)
}
/* Manual link training for Ivy Bridge A0 parts */
-static void ivb_manual_fdi_link_train(struct intel_crtc *crtc)
+static void ivb_manual_fdi_link_train(struct intel_crtc *crtc,
+ const struct intel_crtc_state *crtc_state)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -3962,7 +3965,7 @@ static void ivb_manual_fdi_link_train(struct intel_crtc *crtc)
reg = FDI_TX_CTL(pipe);
temp = I915_READ(reg);
temp &= ~FDI_DP_PORT_WIDTH_MASK;
- temp |= FDI_DP_PORT_WIDTH(crtc->config->fdi_lanes);
+ temp |= FDI_DP_PORT_WIDTH(crtc_state->fdi_lanes);
temp |= FDI_LINK_TRAIN_PATTERN_1_IVB;
temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
temp |= snb_b_fdi_train_param[j/2];
@@ -4474,7 +4477,7 @@ static void ironlake_pch_enable(const struct intel_crtc_state *crtc_state)
I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK);
/* For PCH output, training FDI link */
- dev_priv->display.fdi_link_train(crtc);
+ dev_priv->display.fdi_link_train(crtc, crtc_state);
/* We need to program the right clock selection before writing the pixel
* mutliplier into the DPLL. */
@@ -5366,7 +5369,7 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
intel_encoders_pre_enable(crtc, pipe_config, old_state);
if (intel_crtc->config->has_pch_encoder)
- dev_priv->display.fdi_link_train(intel_crtc);
+ dev_priv->display.fdi_link_train(intel_crtc, pipe_config);
if (!transcoder_is_dsi(cpu_transcoder))
intel_ddi_enable_pipe_clock(intel_crtc);