Merge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...

 Just fixed resource release issue at open fail.

* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
  drm/exynos: Fix (more) freeing issues in exynos_drm_drv.c

diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index d58b4e287e3289a278741522a09baeaca584be0b..28d24caa49f3f7720c63e208c4831c79f5433d8d 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -214,6 +214,13 @@ int i915_gem_init_stolen(struct drm_device *dev)
        struct drm_i915_private *dev_priv = dev->dev_private;
        int bios_reserved = 0;
 
+#ifdef CONFIG_INTEL_IOMMU
+       if (intel_iommu_gfx_mapped) {
+               DRM_INFO("DMAR active, disabling use of stolen memory\n");
+               return 0;
+       }
+#endif
+
        if (dev_priv->gtt.stolen_size == 0)
                return 0;
 

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index e06b9e017d6ba918b87557de301df47076852434..234ac5f7bc5aba1013f2ad62650baa05c1d1559a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1244,6 +1244,7 @@ static void intel_ddi_post_disable(struct intel_encoder *intel_encoder)
        if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
                struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
                intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
+               ironlake_edp_panel_vdd_on(intel_dp);
                ironlake_edp_panel_off(intel_dp);
        }
 

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 41bdac44dfc1e32abe3b2466aa1b34f126e8548f..2688f6d64bb9f3e6883e5a8a9216a38fd794d880 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1249,17 +1249,24 @@ void ironlake_edp_panel_off(struct intel_dp *intel_dp)
 
        DRM_DEBUG_KMS("Turn eDP power off\n");
 
+       WARN(!intel_dp->want_panel_vdd, "Need VDD to turn off panel\n");
+
        pp = ironlake_get_pp_control(intel_dp);
        /* We need to switch off panel power _and_ force vdd, for otherwise some
         * panels get very unhappy and cease to work. */
-       pp &= ~(POWER_TARGET_ON | PANEL_POWER_RESET | EDP_BLC_ENABLE);
+       pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_ENABLE);
 
        pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
 
        I915_WRITE(pp_ctrl_reg, pp);
        POSTING_READ(pp_ctrl_reg);
 
+       intel_dp->want_panel_vdd = false;
+
        ironlake_wait_panel_off(intel_dp);
+
+       /* We got a reference when we enabled the VDD. */
+       intel_runtime_pm_put(dev_priv);
 }
 
 void ironlake_edp_backlight_on(struct intel_dp *intel_dp)
@@ -1784,6 +1791,7 @@ static void intel_disable_dp(struct intel_encoder *encoder)
 
        /* Make sure the panel is off before trying to change the mode. But also
         * ensure that we have vdd while we switch off the panel. */
+       ironlake_edp_panel_vdd_on(intel_dp);
        ironlake_edp_backlight_off(intel_dp);
        intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
        ironlake_edp_panel_off(intel_dp);