From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Thu, 22 Jan 2015 01:19:54 +0000 (-0800)
Subject: drm/i915/bxt: fix panel fitter setup in crtc disable/enable
X-Git-Tag: v4.2-rc1~13^2~58^2~39
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ff6d9f55fe3f217dabce6b5ee7dbd306be5f4391;p=karo-tx-linux.git

drm/i915/bxt: fix panel fitter setup in crtc disable/enable

Broxton has the same panel fitter registers as Skylake.

v2:
- add MISSING_CASE for future platforms (daniel)

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 783d6008fded..3322e5a12e8e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4881,10 +4881,12 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
 
 	intel_ddi_enable_pipe_clock(intel_crtc);
 
-	if (IS_SKYLAKE(dev))
+	if (INTEL_INFO(dev)->gen == 9)
 		skylake_pfit_update(intel_crtc, 1);
-	else
+	else if (INTEL_INFO(dev)->gen < 9)
 		ironlake_pfit_enable(intel_crtc);
+	else
+		MISSING_CASE(INTEL_INFO(dev)->gen);
 
 	/*
 	 * On ILK+ LUT must be loaded before the pipe is running but with
@@ -5029,10 +5031,12 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
 
 	intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
 
-	if (IS_SKYLAKE(dev))
+	if (INTEL_INFO(dev)->gen == 9)
 		skylake_pfit_update(intel_crtc, 0);
-	else
+	else if (INTEL_INFO(dev)->gen < 9)
 		ironlake_pfit_disable(intel_crtc);
+	else
+		MISSING_CASE(INTEL_INFO(dev)->gen);
 
 	intel_ddi_disable_pipe_clock(intel_crtc);
 
@@ -9191,10 +9195,13 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
 
 	pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe);
 	if (intel_display_power_is_enabled(dev_priv, pfit_domain)) {
-		if (IS_SKYLAKE(dev))
+		if (INTEL_INFO(dev)->gen == 9)
 			skylake_get_pfit_config(crtc, pipe_config);
-		else
+		else if (INTEL_INFO(dev)->gen < 9)
 			ironlake_get_pfit_config(crtc, pipe_config);
+		else
+			MISSING_CASE(INTEL_INFO(dev)->gen);
+
 	} else {
 		pipe_config->scaler_state.scaler_id = -1;
 		pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX);