diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index ace8d5d30dd2..1a311ad01116 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -231,6 +231,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, struct intel_lvds *intel_lvds = to_intel_lvds(encoder); struct drm_encoder *tmp_encoder; u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0; + int pipe; /* Should never happen!! */ if (INTEL_INFO(dev)->gen < 4 && intel_crtc->pipe == 0) { @@ -261,12 +262,6 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, return true; } - /* Make sure pre-965s set dither correctly */ - if (INTEL_INFO(dev)->gen < 4) { - if (dev_priv->lvds_dither) - pfit_control |= PANEL_8TO6_DITHER_ENABLE; - } - /* Native modes don't need fitting */ if (adjusted_mode->hdisplay == mode->hdisplay && adjusted_mode->vdisplay == mode->vdisplay) @@ -283,8 +278,8 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, * to register description and PRM. * Change the value here to see the borders for debugging */ - I915_WRITE(BCLRPAT_A, 0); - I915_WRITE(BCLRPAT_B, 0); + for_each_pipe(pipe) + I915_WRITE(BCLRPAT(pipe), 0); switch (intel_lvds->fitting_mode) { case DRM_MODE_SCALE_CENTER: @@ -374,10 +369,16 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, } out: + /* If not enabling scaling, be consistent and always use 0. */ if ((pfit_control & PFIT_ENABLE) == 0) { pfit_control = 0; pfit_pgm_ratios = 0; } + + /* Make sure pre-965 set dither correctly */ + if (INTEL_INFO(dev)->gen < 4 && dev_priv->lvds_dither) + pfit_control |= PANEL_8TO6_DITHER_ENABLE; + if (pfit_control != intel_lvds->pfit_control || pfit_pgm_ratios != intel_lvds->pfit_pgm_ratios) { intel_lvds->pfit_control = pfit_control; @@ -474,6 +475,10 @@ intel_lvds_detect(struct drm_connector *connector, bool force) struct drm_device *dev = connector->dev; enum drm_connector_status status = connector_status_connected; + status = intel_panel_detect(dev); + if (status != connector_status_unknown) + return status; + /* ACPI lid methods were generally unreliable in this generation, so * don't even bother. */ @@ -496,7 +501,7 @@ static int intel_lvds_get_modes(struct drm_connector *connector) return drm_add_edid_modes(connector, intel_lvds->edid); mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode); - if (mode == 0) + if (mode == NULL) return 0; drm_mode_probed_add(connector, mode); |