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drm/i915: Enable aspect/centering panel fitting for Ironlake.

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v2: Hook in DP paths to keep FULLSCREEN panel fitting on eDP.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Chris Wilson
2010-08-07 11:01:28 +01:00
committed by Eric Anholt
parent 2e88e40bed
commit 1d8e1c75ff
7 changed files with 143 additions and 46 deletions
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20
drivers/gpu/drm/i915/intel_dp.c
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@@ -523,21 +523,9 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
if ((IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) &&
dev_priv->panel_fixed_mode) {
struct drm_display_mode *fixed_mode = dev_priv->panel_fixed_mode;
adjusted_mode->hdisplay = fixed_mode->hdisplay;
adjusted_mode->hsync_start = fixed_mode->hsync_start;
adjusted_mode->hsync_end = fixed_mode->hsync_end;
adjusted_mode->htotal = fixed_mode->htotal;
adjusted_mode->vdisplay = fixed_mode->vdisplay;
adjusted_mode->vsync_start = fixed_mode->vsync_start;
adjusted_mode->vsync_end = fixed_mode->vsync_end;
adjusted_mode->vtotal = fixed_mode->vtotal;
adjusted_mode->clock = fixed_mode->clock;
drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
intel_fixed_panel_mode(dev_priv->panel_fixed_mode, adjusted_mode);
intel_pch_panel_fitting(dev, DRM_MODE_SCALE_FULLSCREEN,
mode, adjusted_mode);
/*
* the mode->clock is used to calculate the Data&Link M/N
* of the pipe. For the eDP the fixed clock should be used.
@@ -572,8 +560,10 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
"count %d clock %d\n",
intel_dp->link_bw, intel_dp->lane_count,
adjusted_mode->clock);
return true;
}
return false;
}