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* [PATCH] drm/i915/dp: allow configuring eDP panel fitting scaling mode
@ 2012-10-25 17:57 Yuly Novikov
  2012-10-25 19:26 ` Daniel Vetter
  0 siblings, 1 reply; 8+ messages in thread
From: Yuly Novikov @ 2012-10-25 17:57 UTC (permalink / raw)
  To: daniel.vetter, airlied; +Cc: dri-devel, linux-kernel, Yuly Novikov

LVDS allowed changing panel fitting scaling mode, while eDP didn't.
Copied relevant code from LVDS to eDP.
This also changes default mode on eDP to ascpect ratio preserving scaling.

Signed-off-by: Yuly Novikov <ynovikov@chromium.org>
---
 drivers/gpu/drm/i915/intel_dp.c  |   33 ++++++++++++++++++++++++++++++---
 drivers/gpu/drm/i915/intel_drv.h |    1 +
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 368ed8e..a65546e 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -685,7 +685,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder,
 
 	if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
 		intel_fixed_panel_mode(intel_dp->panel_fixed_mode, adjusted_mode);
-		intel_pch_panel_fitting(dev, DRM_MODE_SCALE_FULLSCREEN,
+		intel_pch_panel_fitting(dev, intel_dp->fitting_mode,
 					mode, adjusted_mode);
 	}
 
@@ -2358,6 +2358,22 @@ intel_dp_set_property(struct drm_connector *connector,
 		goto done;
 	}
 
+	if (is_edp(intel_dp) &&
+		property == connector->dev->mode_config.scaling_mode_property) {
+		if (val == DRM_MODE_SCALE_NONE) {
+			DRM_DEBUG_KMS("no scaling not supported\n");
+			return -EINVAL;
+		}
+
+		if (intel_dp->fitting_mode == val) {
+			/* the eDP scaling property is not changed */
+			return 0;
+		}
+		intel_dp->fitting_mode = val;
+
+		goto done;
+	}
+
 	return -EINVAL;
 
 done:
@@ -2469,10 +2485,21 @@ bool intel_dpd_is_edp(struct drm_device *dev)
 }
 
 static void
-intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector)
+intel_dp_add_properties(struct drm_device *dev,
+			struct intel_dp *intel_dp,
+			struct drm_connector *connector)
 {
 	intel_attach_force_audio_property(connector);
 	intel_attach_broadcast_rgb_property(connector);
+
+	if (is_edp(intel_dp)) {
+		drm_mode_create_scaling_mode_property(dev);
+		drm_connector_attach_property(
+			connector,
+			dev->mode_config.scaling_mode_property,
+			DRM_MODE_SCALE_ASPECT);
+		intel_dp->fitting_mode = DRM_MODE_SCALE_ASPECT;
+	}
 }
 
 void
@@ -2665,7 +2692,7 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
 		intel_panel_setup_backlight(dev);
 	}
 
-	intel_dp_add_properties(intel_dp, connector);
+	intel_dp_add_properties(dev, intel_dp, connector);
 
 	/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
 	 * 0xd.  Failure to do so will result in spurious interrupts being
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index fe71425..da50cd4 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -358,6 +358,7 @@ struct intel_dp {
 	int backlight_on_delay;
 	int backlight_off_delay;
 	struct drm_display_mode *panel_fixed_mode;  /* for eDP */
+	int fitting_mode;  /* for eDP */
 	struct delayed_work panel_vdd_work;
 	bool want_panel_vdd;
 	struct edid *edid; /* cached EDID for eDP */
-- 
1.7.7.3

^ permalink raw reply related	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2012-11-03  0:16 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-10-25 17:57 [PATCH] drm/i915/dp: allow configuring eDP panel fitting scaling mode Yuly Novikov
2012-10-25 19:26 ` Daniel Vetter
2012-10-26  9:03   ` [PATCH 0/3] drm/i915: eDP scaling mode change support Jani Nikula
2012-10-26  9:03     ` [PATCH 1/3] drm/i915/lvds: move fitting mode from intel_lvds_connector to intel_panel Jani Nikula
2012-10-26  9:04     ` [PATCH 2/3] drm/i915/dp: allow configuring eDP panel fitting scaling mode Jani Nikula
2012-10-26  9:04     ` [PATCH 3/3] drm/i915/dp: change eDP default scaling mode to respect aspect ratio Jani Nikula
2012-10-26 13:44     ` [Intel-gfx] [PATCH 0/3] drm/i915: eDP scaling mode change support Paulo Zanoni
2012-11-03  0:16       ` Yuly Novikov

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