drm fixes for 5.7-rc3

core:
 - mst: zero pbn when releasing vcpi slots
 
 amdgpu:
 - Fix resume issue on renoir
 - Thermal fix for older CI dGPUs
 - Fix some fallout from dropping drm load/unload callbacks
 
 i915:
 - Tigerlake Workaround - disabling media recompression (Matt)
 - Fix RPS interrupts for right GPU frequency (Chris)
 - HDCP fix prime check (Oliver)
 - Tigerlake Thunderbolt power well fix (Matt)
 - Tigerlake DP link training fixes (Jose)
 - Documentation sphinx build fix (Jani)
 - Fix enable_dpcd_backlight modparam (Lyude)
 
 analogix-dp:
 - binding fix
 
 meson:
 - remove unneeded error message
 
 bindings:
 - fix warnings
 - fix lvds binding
 
 scheduler:
 - thread racing fix
 
 tidss:
 - use after free fix
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Merge tag 'drm-fixes-2020-04-24' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Weekly regular fixes for drm, The usual rc3 uptick here, but nothing
  too crazy or notable.

  core:
   - mst: zero pbn when releasing vcpi slots

  amdgpu:
   - Fix resume issue on renoir
   - Thermal fix for older CI dGPUs
   - Fix some fallout from dropping drm load/unload callbacks

  i915:
   - Tigerlake Workaround - disabling media recompression (Matt)
   - Fix RPS interrupts for right GPU frequency (Chris)
   - HDCP fix prime check (Oliver)
   - Tigerlake Thunderbolt power well fix (Matt)
   - Tigerlake DP link training fixes (Jose)
   - Documentation sphinx build fix (Jani)
   - Fix enable_dpcd_backlight modparam (Lyude)

  analogix-dp:
   - binding fix

  meson:
   - remove unneeded error message

  bindings:
   - fix warnings
   - fix lvds binding

  scheduler:
   - thread racing fix

  tidss:
   - use after free fix"

* tag 'drm-fixes-2020-04-24' of git://anongit.freedesktop.org/drm/drm:
  drm/i915/dpcd_bl: Unbreak enable_dpcd_backlight modparam
  drm/i915: fix Sphinx build duplicate label warning
  drm/i915/display: Load DP_TP_CTL/STATUS offset before use it
  drm/i915/tgl: TBT AUX should use TC power well ops
  drm/i915: HDCP: fix Ri prime check done during link check
  drm/i915/gt: Update PMINTRMSK holding fw
  drm/i915/tgl: Add Wa_14010477008:tgl
  drm/tidss: fix crash related to accessing freed memory
  drm/dp_mst: Zero assigned PBN when releasing VCPI slots
  drm/amdgpu/display: give aux i2c buses more meaningful names
  drm/amdgpu/display: fix aux registration (v2)
  drm/amdgpu: Correctly initialize thermal controller for GPUs with Powerplay table v0 (e.g Hawaii)
  drm/amd/powerplay: fix resume failed as smu table initialize early exit
  drm/scheduler: fix drm_sched_get_cleanup_job
  drm/meson: Delete an error message in meson_dw_hdmi_bind()
  drm/bridge: anx6345: set correct BPC for display_info of connector
  dt-bindings: display: allow port and ports in panel-lvds
  dt-bindings: display: xpp055c272: Remove the reg property
  dt-bindings: display: ltk500hd1829: Remove the reg property
  drm/bridge: analogix_dp: Split bind() into probe() and real bind()

Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml

@@ -37,7 +37,6 @@ examples:
     dsi {
         #address-cells = <1>;
         #size-cells = <0>;
-        reg = <0xff450000 0x1000>;
 
         panel@0 {
             compatible = "leadtek,ltk500hd1829";

Documentation/devicetree/bindings/display/panel/lvds.yaml

@@ -96,12 +96,20 @@ properties:
       If set, reverse the bit order described in the data mappings below on all
       data lanes, transmitting bits for slots 6 to 0 instead of 0 to 6.
 
+  port: true
+  ports: true
+
 required:
   - compatible
   - data-mapping
   - width-mm
   - height-mm
   - panel-timing
-  - port
+
+oneOf:
+  - required:
+      - port
+  - required:
+      - ports
 
 ...

Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml

@@ -37,7 +37,6 @@ examples:
     dsi {
         #address-cells = <1>;
         #size-cells = <0>;
-        reg = <0xff450000 0x1000>;
 
         panel@0 {
             compatible = "xinpeng,xpp055c272";

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -4664,6 +4664,7 @@ static void amdgpu_dm_connector_destroy(struct drm_connector *connector)
 		i2c_del_adapter(&aconnector->i2c->base);
 		kfree(aconnector->i2c);
 	}
+	kfree(aconnector->dm_dp_aux.aux.name);
 
 	kfree(connector);
 }
@@ -4723,10 +4724,19 @@ amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector)
 static int
 amdgpu_dm_connector_late_register(struct drm_connector *connector)
 {
-#if defined(CONFIG_DEBUG_FS)
 	struct amdgpu_dm_connector *amdgpu_dm_connector =
 		to_amdgpu_dm_connector(connector);
+	int r;
 
+	if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
+	    (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
+		amdgpu_dm_connector->dm_dp_aux.aux.dev = connector->kdev;
+		r = drm_dp_aux_register(&amdgpu_dm_connector->dm_dp_aux.aux);
+		if (r)
+			return r;
+	}
+
+#if defined(CONFIG_DEBUG_FS)
 	connector_debugfs_init(amdgpu_dm_connector);
 #endif
 
@@ -6092,7 +6102,7 @@ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
 
 	if (connector_type == DRM_MODE_CONNECTOR_DisplayPort
 		|| connector_type == DRM_MODE_CONNECTOR_eDP)
-		amdgpu_dm_initialize_dp_connector(dm, aconnector);
+		amdgpu_dm_initialize_dp_connector(dm, aconnector, link->link_index);
 
 out_free:
 	if (res) {

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

@@ -156,16 +156,16 @@ amdgpu_dm_mst_connector_late_register(struct drm_connector *connector)
 		to_amdgpu_dm_connector(connector);
 	int r;
 
-	amdgpu_dm_connector->dm_dp_aux.aux.dev = connector->kdev;
+	r = drm_dp_mst_connector_late_register(connector,
-	r = drm_dp_aux_register(&amdgpu_dm_connector->dm_dp_aux.aux);
+					       amdgpu_dm_connector->port);
-	if (r)
+	if (r < 0)
 		return r;
 
 #if defined(CONFIG_DEBUG_FS)
 	connector_debugfs_init(amdgpu_dm_connector);
 #endif
 
-	return r;
+	return 0;
 }
 
 static void
@@ -472,9 +472,12 @@ static const struct drm_dp_mst_topology_cbs dm_mst_cbs = {
 };
 
 void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
-				       struct amdgpu_dm_connector *aconnector)
+				       struct amdgpu_dm_connector *aconnector,
+				       int link_index)
 {
-	aconnector->dm_dp_aux.aux.name = "dmdc";
+	aconnector->dm_dp_aux.aux.name =
+		kasprintf(GFP_KERNEL, "AMDGPU DM aux hw bus %d",
+			  link_index);
 	aconnector->dm_dp_aux.aux.transfer = dm_dp_aux_transfer;
 	aconnector->dm_dp_aux.ddc_service = aconnector->dc_link->ddc;
 

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h

@@ -32,7 +32,8 @@ struct amdgpu_dm_connector;
 int dm_mst_get_pbn_divider(struct dc_link *link);
 
 void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
-				       struct amdgpu_dm_connector *aconnector);
+				       struct amdgpu_dm_connector *aconnector,
+				       int link_index);
 
 #if defined(CONFIG_DRM_AMD_DC_DCN)
 bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,

drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c

@@ -984,6 +984,32 @@ static int init_thermal_controller(
 			struct pp_hwmgr *hwmgr,
 			const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table)
 {
+	hwmgr->thermal_controller.ucType =
+			powerplay_table->sThermalController.ucType;
+	hwmgr->thermal_controller.ucI2cLine =
+			powerplay_table->sThermalController.ucI2cLine;
+	hwmgr->thermal_controller.ucI2cAddress =
+			powerplay_table->sThermalController.ucI2cAddress;
+
+	hwmgr->thermal_controller.fanInfo.bNoFan =
+		(0 != (powerplay_table->sThermalController.ucFanParameters &
+			ATOM_PP_FANPARAMETERS_NOFAN));
+
+	hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution =
+		powerplay_table->sThermalController.ucFanParameters &
+		ATOM_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
+
+	hwmgr->thermal_controller.fanInfo.ulMinRPM
+		= powerplay_table->sThermalController.ucFanMinRPM * 100UL;
+	hwmgr->thermal_controller.fanInfo.ulMaxRPM
+		= powerplay_table->sThermalController.ucFanMaxRPM * 100UL;
+
+	set_hw_cap(hwmgr,
+		   ATOM_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
+		   PHM_PlatformCaps_ThermalController);
+
+	hwmgr->thermal_controller.use_hw_fan_control = 1;
+
 	return 0;
 }
 

drivers/gpu/drm/amd/powerplay/renoir_ppt.c

@@ -895,12 +895,17 @@ static int renoir_read_sensor(struct smu_context *smu,
 
 static bool renoir_is_dpm_running(struct smu_context *smu)
 {
+	struct amdgpu_device *adev = smu->adev;
+
 	/*
 	 * Util now, the pmfw hasn't exported the interface of SMU
 	 * feature mask to APU SKU so just force on all the feature
 	 * at early initial stage.
 	 */
-	return true;
+	if (adev->in_suspend)
+		return false;
+	else
+		return true;
 
 }
 

drivers/gpu/drm/bridge/analogix/analogix-anx6345.c

@@ -485,6 +485,9 @@ static int anx6345_get_modes(struct drm_connector *connector)
 
 	num_modes += drm_add_edid_modes(connector, anx6345->edid);
 
+	/* Driver currently supports only 6bpc */
+	connector->display_info.bpc = 6;
+
 unlock:
 	if (power_off)
 		anx6345_poweroff(anx6345);

drivers/gpu/drm/drm_dp_mst_topology.c

@@ -4295,6 +4295,7 @@ int drm_dp_atomic_release_vcpi_slots(struct drm_atomic_state *state,
 	if (pos->vcpi) {
 		drm_dp_mst_put_port_malloc(port);
 		pos->vcpi = 0;
+		pos->pbn = 0;
 	}
 
 	return 0;

drivers/gpu/drm/i915/display/intel_ddi.c

@@ -3141,9 +3141,6 @@ static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
 	intel_dp_set_link_params(intel_dp, crtc_state->port_clock,
 				 crtc_state->lane_count, is_mst);
 
-	intel_dp->regs.dp_tp_ctl = DP_TP_CTL(port);
-	intel_dp->regs.dp_tp_status = DP_TP_STATUS(port);
-
 	intel_edp_panel_on(intel_dp);
 
 	intel_ddi_clk_select(encoder, crtc_state);
@@ -3848,12 +3845,18 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	u32 temp, flags = 0;
 
 	/* XXX: DSI transcoder paranoia */
 	if (drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder)))
 		return;
 
+	if (INTEL_GEN(dev_priv) >= 12) {
+		intel_dp->regs.dp_tp_ctl = TGL_DP_TP_CTL(cpu_transcoder);
+		intel_dp->regs.dp_tp_status = TGL_DP_TP_STATUS(cpu_transcoder);
+	}
+
 	intel_dsc_get_config(encoder, pipe_config);
 
 	temp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder));
@@ -4173,6 +4176,7 @@ static const struct drm_encoder_funcs intel_ddi_funcs = {
 static struct intel_connector *
 intel_ddi_init_dp_connector(struct intel_digital_port *intel_dig_port)
 {
+	struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev);
 	struct intel_connector *connector;
 	enum port port = intel_dig_port->base.port;
 
@@ -4183,6 +4187,10 @@ intel_ddi_init_dp_connector(struct intel_digital_port *intel_dig_port)
 	intel_dig_port->dp.output_reg = DDI_BUF_CTL(port);
 	intel_dig_port->dp.prepare_link_retrain =
 		intel_ddi_prepare_link_retrain;
+	if (INTEL_GEN(dev_priv) < 12) {
+		intel_dig_port->dp.regs.dp_tp_ctl = DP_TP_CTL(port);
+		intel_dig_port->dp.regs.dp_tp_status = DP_TP_STATUS(port);
+	}
 
 	if (!intel_dp_init_connector(intel_dig_port, connector)) {
 		kfree(connector);

drivers/gpu/drm/i915/display/intel_display_power.c

@@ -4140,7 +4140,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 	{
 		.name = "AUX D TBT1",
 		.domains = TGL_AUX_D_TBT1_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_tc_phy_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
 			.hsw.regs = &icl_aux_power_well_regs,
@@ -4151,7 +4151,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 	{
 		.name = "AUX E TBT2",
 		.domains = TGL_AUX_E_TBT2_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_tc_phy_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
 			.hsw.regs = &icl_aux_power_well_regs,
@@ -4162,7 +4162,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 	{
 		.name = "AUX F TBT3",
 		.domains = TGL_AUX_F_TBT3_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_tc_phy_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
 			.hsw.regs = &icl_aux_power_well_regs,
@@ -4173,7 +4173,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 	{
 		.name = "AUX G TBT4",
 		.domains = TGL_AUX_G_TBT4_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_tc_phy_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
 			.hsw.regs = &icl_aux_power_well_regs,
@@ -4184,7 +4184,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 	{
 		.name = "AUX H TBT5",
 		.domains = TGL_AUX_H_TBT5_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_tc_phy_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
 			.hsw.regs = &icl_aux_power_well_regs,
@@ -4195,7 +4195,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 	{
 		.name = "AUX I TBT6",
 		.domains = TGL_AUX_I_TBT6_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_tc_phy_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
 			.hsw.regs = &icl_aux_power_well_regs,

drivers/gpu/drm/i915/display/intel_dp.c

@@ -2517,9 +2517,6 @@ static void intel_dp_prepare(struct intel_encoder *encoder,
 				 intel_crtc_has_type(pipe_config,
 						     INTEL_OUTPUT_DP_MST));
 
-	intel_dp->regs.dp_tp_ctl = DP_TP_CTL(port);
-	intel_dp->regs.dp_tp_status = DP_TP_STATUS(port);
-
 	/*
 	 * There are four kinds of DP registers:
 	 *
@@ -7836,6 +7833,8 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
 
 	intel_dig_port->dp.output_reg = output_reg;
 	intel_dig_port->max_lanes = 4;
+	intel_dig_port->dp.regs.dp_tp_ctl = DP_TP_CTL(port);
+	intel_dig_port->dp.regs.dp_tp_status = DP_TP_STATUS(port);
 
 	intel_encoder->type = INTEL_OUTPUT_DP;
 	intel_encoder->power_domain = intel_port_to_power_domain(port);

drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c

@@ -342,6 +342,7 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector)
 	 */
 	if (dev_priv->vbt.backlight.type !=
 	    INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE &&
+	    i915_modparams.enable_dpcd_backlight != 1 &&
 	    !drm_dp_has_quirk(&intel_dp->desc, intel_dp->edid_quirks,
 			      DP_QUIRK_FORCE_DPCD_BACKLIGHT)) {
 		DRM_DEV_INFO(dev->dev,

drivers/gpu/drm/i915/display/intel_hdmi.c

@@ -1536,7 +1536,8 @@ bool intel_hdmi_hdcp_check_link(struct intel_digital_port *intel_dig_port)
 	intel_de_write(i915, HDCP_RPRIME(i915, cpu_transcoder, port), ri.reg);
 
 	/* Wait for Ri prime match */
-	if (wait_for(intel_de_read(i915, HDCP_STATUS(i915, cpu_transcoder, port)) &
+	if (wait_for((intel_de_read(i915, HDCP_STATUS(i915, cpu_transcoder, port)) &
+		      (HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC)) ==
 		     (HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC), 1)) {
 		DRM_ERROR("Ri' mismatch detected, link check failed (%x)\n",
 			  intel_de_read(i915, HDCP_STATUS(i915, cpu_transcoder, port)));

drivers/gpu/drm/i915/display/intel_sprite.c

@@ -2817,19 +2817,25 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
 	}
 }
 
-static bool gen12_plane_supports_mc_ccs(enum plane_id plane_id)
+static bool gen12_plane_supports_mc_ccs(struct drm_i915_private *dev_priv,
+					enum plane_id plane_id)
 {
+	/* Wa_14010477008:tgl[a0..c0] */
+	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_C0))
+		return false;
+
 	return plane_id < PLANE_SPRITE4;
 }
 
 static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
 					     u32 format, u64 modifier)
 {
+	struct drm_i915_private *dev_priv = to_i915(_plane->dev);
 	struct intel_plane *plane = to_intel_plane(_plane);
 
 	switch (modifier) {
 	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
-		if (!gen12_plane_supports_mc_ccs(plane->id))
+		if (!gen12_plane_supports_mc_ccs(dev_priv, plane->id))
 			return false;
 		/* fall through */
 	case DRM_FORMAT_MOD_LINEAR:
@@ -2998,9 +3004,10 @@ static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv,
 	}
 }
 
-static const u64 *gen12_get_plane_modifiers(enum plane_id plane_id)
+static const u64 *gen12_get_plane_modifiers(struct drm_i915_private *dev_priv,
+					    enum plane_id plane_id)
 {
-	if (gen12_plane_supports_mc_ccs(plane_id))
+	if (gen12_plane_supports_mc_ccs(dev_priv, plane_id))
 		return gen12_plane_format_modifiers_mc_ccs;
 	else
 		return gen12_plane_format_modifiers_rc_ccs;
@@ -3070,7 +3077,7 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
 
 	plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id);
 	if (INTEL_GEN(dev_priv) >= 12) {
-		modifiers = gen12_get_plane_modifiers(plane_id);
+		modifiers = gen12_get_plane_modifiers(dev_priv, plane_id);
 		plane_funcs = &gen12_plane_funcs;
 	} else {
 		if (plane->has_ccs)

drivers/gpu/drm/i915/gt/intel_rps.c

@@ -81,13 +81,14 @@ static void rps_enable_interrupts(struct intel_rps *rps)
 		events = (GEN6_PM_RP_UP_THRESHOLD |
 			  GEN6_PM_RP_DOWN_THRESHOLD |
 			  GEN6_PM_RP_DOWN_TIMEOUT);
-
 	WRITE_ONCE(rps->pm_events, events);
+
 	spin_lock_irq(&gt->irq_lock);
 	gen6_gt_pm_enable_irq(gt, rps->pm_events);
 	spin_unlock_irq(&gt->irq_lock);
 
-	set(gt->uncore, GEN6_PMINTRMSK, rps_pm_mask(rps, rps->cur_freq));
+	intel_uncore_write(gt->uncore,
+			   GEN6_PMINTRMSK, rps_pm_mask(rps, rps->last_freq));
 }
 
 static void gen6_rps_reset_interrupts(struct intel_rps *rps)
@@ -120,7 +121,9 @@ static void rps_disable_interrupts(struct intel_rps *rps)
 	struct intel_gt *gt = rps_to_gt(rps);
 
 	WRITE_ONCE(rps->pm_events, 0);
-	set(gt->uncore, GEN6_PMINTRMSK, rps_pm_sanitize_mask(rps, ~0u));
+
+	intel_uncore_write(gt->uncore,
+			   GEN6_PMINTRMSK, rps_pm_sanitize_mask(rps, ~0u));
 
 	spin_lock_irq(&gt->irq_lock);
 	gen6_gt_pm_disable_irq(gt, GEN6_PM_RPS_EVENTS);

drivers/gpu/drm/i915/i915_drv.h

@@ -1507,6 +1507,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 	(IS_ICELAKE(p) && IS_REVID(p, since, until))
 
 #define TGL_REVID_A0		0x0
+#define TGL_REVID_B0		0x1
+#define TGL_REVID_C0		0x2
 
 #define IS_TGL_REVID(p, since, until) \
 	(IS_TIGERLAKE(p) && IS_REVID(p, since, until))

drivers/gpu/drm/i915/i915_reg.h

@@ -34,8 +34,8 @@
  * Follow the style described here for new macros, and while changing existing
  * macros. Do **not** mass change existing definitions just to update the style.
  *
- * Layout
+ * File Layout
- * ~~~~~~
+ * ~~~~~~~~~~~
  *
  * Keep helper macros near the top. For example, _PIPE() and friends.
  *

drivers/gpu/drm/meson/meson_dw_hdmi.c

@@ -1034,10 +1034,8 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
 		return PTR_ERR(dw_plat_data->regm);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
+	if (irq < 0)
-		dev_err(dev, "Failed to get hdmi top irq\n");
 		return irq;
-	}
 
 	ret = devm_request_threaded_irq(dev, irq, dw_hdmi_top_irq,
 					dw_hdmi_top_thread_irq, IRQF_SHARED,

drivers/gpu/drm/scheduler/sched_main.c

@@ -676,7 +676,7 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
 	 */
 	if ((sched->timeout != MAX_SCHEDULE_TIMEOUT &&
 	    !cancel_delayed_work(&sched->work_tdr)) ||
-	    __kthread_should_park(sched->thread))
+	    kthread_should_park())
 		return NULL;
 
 	spin_lock(&sched->job_list_lock);

drivers/gpu/drm/tidss/tidss_crtc.c

@@ -379,9 +379,17 @@ static struct drm_crtc_state *tidss_crtc_duplicate_state(struct drm_crtc *crtc)
 	return &state->base;
 }
 
+static void tidss_crtc_destroy(struct drm_crtc *crtc)
+{
+	struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
+
+	drm_crtc_cleanup(crtc);
+	kfree(tcrtc);
+}
+
 static const struct drm_crtc_funcs tidss_crtc_funcs = {
 	.reset = tidss_crtc_reset,
-	.destroy = drm_crtc_cleanup,
+	.destroy = tidss_crtc_destroy,
 	.set_config = drm_atomic_helper_set_config,
 	.page_flip = drm_atomic_helper_page_flip,
 	.atomic_duplicate_state = tidss_crtc_duplicate_state,
@@ -400,7 +408,7 @@ struct tidss_crtc *tidss_crtc_create(struct tidss_device *tidss,
 	bool has_ctm = tidss->feat->vp_feat.color.has_ctm;
 	int ret;
 
-	tcrtc = devm_kzalloc(tidss->dev, sizeof(*tcrtc), GFP_KERNEL);
+	tcrtc = kzalloc(sizeof(*tcrtc), GFP_KERNEL);
 	if (!tcrtc)
 		return ERR_PTR(-ENOMEM);
 
@@ -411,8 +419,10 @@ struct tidss_crtc *tidss_crtc_create(struct tidss_device *tidss,
 
 	ret = drm_crtc_init_with_planes(&tidss->ddev, crtc, primary,
 					NULL, &tidss_crtc_funcs, NULL);
-	if (ret < 0)
+	if (ret < 0) {
+		kfree(tcrtc);
 		return ERR_PTR(ret);
+	}
 
 	drm_crtc_helper_add(crtc, &tidss_crtc_helper_funcs);
 

drivers/gpu/drm/tidss/tidss_encoder.c

@@ -55,12 +55,18 @@ static int tidss_encoder_atomic_check(struct drm_encoder *encoder,
 	return 0;
 }
 
+static void tidss_encoder_destroy(struct drm_encoder *encoder)
+{
+	drm_encoder_cleanup(encoder);
+	kfree(encoder);
+}
+
 static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
 	.atomic_check = tidss_encoder_atomic_check,
 };
 
 static const struct drm_encoder_funcs encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
+	.destroy = tidss_encoder_destroy,
 };
 
 struct drm_encoder *tidss_encoder_create(struct tidss_device *tidss,
@@ -69,7 +75,7 @@ struct drm_encoder *tidss_encoder_create(struct tidss_device *tidss,
 	struct drm_encoder *enc;
 	int ret;
 
-	enc = devm_kzalloc(tidss->dev, sizeof(*enc), GFP_KERNEL);
+	enc = kzalloc(sizeof(*enc), GFP_KERNEL);
 	if (!enc)
 		return ERR_PTR(-ENOMEM);
 
@@ -77,8 +83,10 @@ struct drm_encoder *tidss_encoder_create(struct tidss_device *tidss,
 
 	ret = drm_encoder_init(&tidss->ddev, enc, &encoder_funcs,
 			       encoder_type, NULL);
-	if (ret < 0)
+	if (ret < 0) {
+		kfree(enc);
 		return ERR_PTR(ret);
+	}
 
 	drm_encoder_helper_add(enc, &encoder_helper_funcs);
 

drivers/gpu/drm/tidss/tidss_plane.c

@@ -141,6 +141,14 @@ static void tidss_plane_atomic_disable(struct drm_plane *plane,
 	dispc_plane_enable(tidss->dispc, tplane->hw_plane_id, false);
 }
 
+static void drm_plane_destroy(struct drm_plane *plane)
+{
+	struct tidss_plane *tplane = to_tidss_plane(plane);
+
+	drm_plane_cleanup(plane);
+	kfree(tplane);
+}
+
 static const struct drm_plane_helper_funcs tidss_plane_helper_funcs = {
 	.atomic_check = tidss_plane_atomic_check,
 	.atomic_update = tidss_plane_atomic_update,
@@ -151,7 +159,7 @@ static const struct drm_plane_funcs tidss_plane_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
 	.reset = drm_atomic_helper_plane_reset,
-	.destroy = drm_plane_cleanup,
+	.destroy = drm_plane_destroy,
 	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 };
@@ -175,7 +183,7 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
 			   BIT(DRM_MODE_BLEND_COVERAGE));
 	int ret;
 
-	tplane = devm_kzalloc(tidss->dev, sizeof(*tplane), GFP_KERNEL);
+	tplane = kzalloc(sizeof(*tplane), GFP_KERNEL);
 	if (!tplane)
 		return ERR_PTR(-ENOMEM);
 
@@ -190,7 +198,7 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
 				       formats, num_formats,
 				       NULL, type, NULL);
 	if (ret < 0)
-		return ERR_PTR(ret);
+		goto err;
 
 	drm_plane_helper_add(&tplane->plane, &tidss_plane_helper_funcs);
 
@@ -203,15 +211,19 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
 						default_encoding,
 						default_range);
 	if (ret)
-		return ERR_PTR(ret);
+		goto err;
 
 	ret = drm_plane_create_alpha_property(&tplane->plane);
 	if (ret)
-		return ERR_PTR(ret);
+		goto err;
 
 	ret = drm_plane_create_blend_mode_property(&tplane->plane, blend_modes);
 	if (ret)
-		return ERR_PTR(ret);
+		goto err;
 
 	return tplane;
+
+err:
+	kfree(tplane);
+	return ERR_PTR(ret);
 }