Merge tag 'drm-misc-next-fixes-2021-02-11' of...

Merge tag 'drm-misc-next-fixes-2021-02-11' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next-fixes cherry picked from drm-misc-next for v5.12:
- Assorted small fixes.
- Disable and remove gma3600 support.
- Fix CEC for vc4/hdmi.
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/dac2ae30-c5d9-4222-39e2-f64067310491@linux.intel.com

Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml

@@ -53,6 +53,24 @@ properties:
       - const: audio
       - const: cec
 
+  interrupts:
+    items:
+      - description: CEC TX interrupt
+      - description: CEC RX interrupt
+      - description: CEC stuck at low interrupt
+      - description: Wake-up interrupt
+      - description: Hotplug connected interrupt
+      - description: Hotplug removed interrupt
+
+  interrupt-names:
+    items:
+      - const: cec-tx
+      - const: cec-rx
+      - const: cec-low
+      - const: wakeup
+      - const: hpd-connected
+      - const: hpd-removed
+
   ddc:
     allOf:
       - $ref: /schemas/types.yaml#/definitions/phandle
@@ -90,7 +108,7 @@ required:
   - resets
   - ddc
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |

Documentation/gpu/todo.rst

@@ -23,6 +23,9 @@ Advanced: Tricky tasks that need fairly good understanding of the DRM subsystem
 and graphics topics. Generally need the relevant hardware for development and
 testing.
 
+Expert: Only attempt these if you've successfully completed some tricky
+refactorings already and are an expert in the specific area
+
 Subsystem-wide refactorings
 ===========================
 
@@ -168,6 +171,22 @@ Contact: Daniel Vetter, respective driver maintainers
 
 Level: Advanced
 
+Move Buffer Object Locking to dma_resv_lock()
+---------------------------------------------
+
+Many drivers have their own per-object locking scheme, usually using
+mutex_lock(). This causes all kinds of trouble for buffer sharing, since
+depending which driver is the exporter and importer, the locking hierarchy is
+reversed.
+
+To solve this we need one standard per-object locking mechanism, which is
+dma_resv_lock(). This lock needs to be called as the outermost lock, with all
+other driver specific per-object locks removed. The problem is tha rolling out
+the actual change to the locking contract is a flag day, due to struct dma_buf
+buffer sharing.
+
+Level: Expert
+
 Convert logging to drm_* functions with drm_device paramater
 ------------------------------------------------------------
 

drivers/dma-buf/st-dma-fence.c

@@ -471,8 +471,11 @@ static int thread_signal_callback(void *arg)
 			dma_fence_signal(f1);
 
 		smp_store_mb(cb.seen, false);
-		if (!f2 || dma_fence_add_callback(f2, &cb.cb, simple_callback))
-			miss++, cb.seen = true;
+		if (!f2 ||
+		    dma_fence_add_callback(f2, &cb.cb, simple_callback)) {
+			miss++;
+			cb.seen = true;
+		}
 
 		if (!t->before)
 			dma_fence_signal(f1);

drivers/gpu/drm/drm_client_modeset.c

@@ -7,6 +7,7 @@
  * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
  */
 
+#include "drm/drm_modeset_lock.h"
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
@@ -1181,9 +1182,11 @@ static void drm_client_modeset_dpms_legacy(struct drm_client_dev *client, int dp
 	struct drm_device *dev = client->dev;
 	struct drm_connector *connector;
 	struct drm_mode_set *modeset;
+	struct drm_modeset_acquire_ctx ctx;
 	int j;
+	int ret;
 
-	drm_modeset_lock_all(dev);
+	DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 	drm_client_for_each_modeset(modeset, client) {
 		if (!modeset->crtc->enabled)
 			continue;
@@ -1195,7 +1198,7 @@ static void drm_client_modeset_dpms_legacy(struct drm_client_dev *client, int dp
 				dev->mode_config.dpms_property, dpms_mode);
 		}
 	}
-	drm_modeset_unlock_all(dev);
+	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 }
 
 /**

drivers/gpu/drm/drm_dp_mst_topology.c

@@ -2302,7 +2302,8 @@ drm_dp_mst_port_add_connector(struct drm_dp_mst_branch *mstb,
 	}
 
 	if (port->pdt != DP_PEER_DEVICE_NONE &&
-	    drm_dp_mst_is_end_device(port->pdt, port->mcs)) {
+	    drm_dp_mst_is_end_device(port->pdt, port->mcs) &&
+	    port->port_num >= DP_MST_LOGICAL_PORT_0) {
 		port->cached_edid = drm_get_edid(port->connector,
 						 &port->aux.ddc);
 		drm_connector_set_tile_property(port->connector);

drivers/gpu/drm/gma500/Kconfig

 # SPDX-License-Identifier: GPL-2.0-only
 config DRM_GMA500
-	tristate "Intel GMA5/600 KMS Framebuffer"
+	tristate "Intel GMA500/600/3600/3650 KMS Framebuffer"
 	depends on DRM && PCI && X86 && MMU
 	select DRM_KMS_HELPER
-	select DRM_TTM
 	# GMA500 depends on ACPI_VIDEO when ACPI is enabled, just like i915
 	select ACPI_VIDEO if ACPI
 	select BACKLIGHT_CLASS_DEVICE if ACPI
@@ -19,17 +18,3 @@ config DRM_GMA600
 	help
 	  Say yes to include support for GMA600 (Intel Moorestown/Oaktrail)
 	  platforms with LVDS ports. MIPI is not currently supported.
-
-config DRM_GMA3600
-	bool "Intel GMA3600/3650 support (Experimental)"
-	depends on DRM_GMA500
-	help
-	  Say yes to include basic support for Intel GMA3600/3650 (Intel
-	  Cedar Trail) platforms.
-
-config DRM_MEDFIELD
-	bool "Intel Medfield support (Experimental)"
-	depends on DRM_GMA500 && X86_INTEL_MID
-	help
-	  Say yes to include support for the Intel Medfield platform.
-

drivers/gpu/drm/gma500/Makefile

@@ -6,36 +6,35 @@
 gma500_gfx-y += \
 	  accel_2d.o \
 	  backlight.o \
+	  blitter.o \
+	  cdv_device.o \
+	  cdv_intel_crt.o \
+	  cdv_intel_display.o \
+	  cdv_intel_dp.o \
+	  cdv_intel_hdmi.o \
+	  cdv_intel_lvds.o \
 	  framebuffer.o \
 	  gem.o \
+	  gma_device.o \
+	  gma_display.o \
 	  gtt.o \
 	  intel_bios.o \
-	  intel_i2c.o \
 	  intel_gmbus.o \
+	  intel_i2c.o \
+	  mid_bios.o \
 	  mmu.o \
-	  blitter.o \
 	  power.o \
+	  psb_device.o \
 	  psb_drv.o \
-	  gma_display.o \
-	  gma_device.o \
 	  psb_intel_display.o \
 	  psb_intel_lvds.o \
 	  psb_intel_modes.o \
 	  psb_intel_sdvo.o \
 	  psb_lid.o \
-	  psb_irq.o \
-	  psb_device.o \
-	  mid_bios.o
+	  psb_irq.o
 
 gma500_gfx-$(CONFIG_ACPI) +=  opregion.o \
 
-gma500_gfx-$(CONFIG_DRM_GMA3600) +=  cdv_device.o \
-	  cdv_intel_crt.o \
-	  cdv_intel_display.o \
-	  cdv_intel_hdmi.o \
-	  cdv_intel_lvds.o \
-	  cdv_intel_dp.o
-
 gma500_gfx-$(CONFIG_DRM_GMA600) += oaktrail_device.o \
 	  oaktrail_crtc.o \
 	  oaktrail_lvds.o \
@@ -43,14 +42,4 @@ gma500_gfx-$(CONFIG_DRM_GMA600) += oaktrail_device.o \
 	  oaktrail_hdmi.o \
 	  oaktrail_hdmi_i2c.o
 
-gma500_gfx-$(CONFIG_DRM_MEDFIELD) += mdfld_device.o \
-	  mdfld_output.o \
-	  mdfld_intel_display.o \
-	  mdfld_dsi_output.o \
-	  mdfld_dsi_dpi.o \
-	  mdfld_dsi_pkg_sender.o \
-	  mdfld_tpo_vid.o \
-	  mdfld_tmd_vid.o \
-	  tc35876x-dsi-lvds.o
-
 obj-$(CONFIG_DRM_GMA500) += gma500_gfx.o

drivers/gpu/drm/gma500/cdv_intel_hdmi.c

@@ -22,9 +22,6 @@
  *
  * Authors:
  *	jim liu <jim.liu@intel.com>
- *
- * FIXME:
- *	We should probably make this generic and share it with Medfield
  */
 
 #include <linux/pm_runtime.h>
@@ -56,7 +53,6 @@ struct mid_intel_hdmi_priv {
 	bool has_hdmi_audio;
 	/* Should set this when detect hotplug */
 	bool hdmi_device_connected;
-	struct mdfld_hdmi_i2c *i2c_bus;
 	struct i2c_adapter *hdmi_i2c_adapter;	/* for control functions */
 	struct drm_device *dev;
 };

drivers/gpu/drm/gma500/mdfld_dsi_dpi.h

-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DPI_H__
-#define __MDFLD_DSI_DPI_H__
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-struct mdfld_dsi_dpi_timing {
-	u16 hsync_count;
-	u16 hbp_count;
-	u16 hfp_count;
-	u16 hactive_count;
-	u16 vsync_count;
-	u16 vbp_count;
-	u16 vfp_count;
-};
-
-struct mdfld_dsi_dpi_output {
-	struct mdfld_dsi_encoder base;
-	struct drm_device *dev;
-
-	int panel_on;
-	int first_boot;
-
-	const struct panel_funcs *p_funcs;
-};
-
-#define MDFLD_DSI_DPI_OUTPUT(dsi_encoder)\
-	container_of(dsi_encoder, struct mdfld_dsi_dpi_output, base)
-
-/* Export functions */
-extern int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode,
-				struct mdfld_dsi_dpi_timing *dpi_timing,
-				int num_lane, int bpp);
-extern struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
-				struct mdfld_dsi_connector *dsi_connector,
-				const struct panel_funcs *p_funcs);
-
-/* MDFLD DPI helper functions */
-extern void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode);
-extern bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
-				const struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_commit(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output,
-				int pipe);
-extern void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config,
-				int pipe);
-#endif /*__MDFLD_DSI_DPI_H__*/

drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.h

-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jackie Li<yaodong.li@intel.com>
- */
-#ifndef __MDFLD_DSI_PKG_SENDER_H__
-#define __MDFLD_DSI_PKG_SENDER_H__
-
-#include <linux/kthread.h>
-
-#define MDFLD_MAX_DCS_PARAM	8
-
-struct mdfld_dsi_pkg_sender {
-	struct drm_device *dev;
-	struct mdfld_dsi_connector *dsi_connector;
-	u32 status;
-	u32 panel_mode;
-
-	int pipe;
-
-	spinlock_t lock;
-
-	u32 pkg_num;
-
-	/* Registers */
-	u32 dpll_reg;
-	u32 dspcntr_reg;
-	u32 pipeconf_reg;
-	u32 pipestat_reg;
-	u32 dsplinoff_reg;
-	u32 dspsurf_reg;
-
-	u32 mipi_intr_stat_reg;
-	u32 mipi_lp_gen_data_reg;
-	u32 mipi_hs_gen_data_reg;
-	u32 mipi_lp_gen_ctrl_reg;
-	u32 mipi_hs_gen_ctrl_reg;
-	u32 mipi_gen_fifo_stat_reg;
-	u32 mipi_data_addr_reg;
-	u32 mipi_data_len_reg;
-	u32 mipi_cmd_addr_reg;
-	u32 mipi_cmd_len_reg;
-};
-
-extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
-					int pipe);
-extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender);
-int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
-					u8 param, u8 param_num, bool hs);
-int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
-					u32 len, bool hs);
-int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender, u8 param0,
-					u8 param1, u8 param_num, bool hs);
-int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
-					u32 len, bool hs);
-/* Read interfaces */
-int mdfld_dsi_read_mcs(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
-		u32 *data, u16 len, bool hs);
-
-#endif

drivers/gpu/drm/gma500/mdfld_output.c

-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#include "mdfld_output.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-
-#include "tc35876x-dsi-lvds.h"
-
-int mdfld_get_panel_type(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	return dev_priv->mdfld_panel_id;
-}
-
-static void mdfld_init_panel(struct drm_device *dev, int mipi_pipe,
-								int p_type)
-{
-	switch (p_type) {
-	case TPO_VID:
-		mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tpo_vid_funcs);
-		break;
-	case TC35876X:
-		tc35876x_init(dev);
-		mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tc35876x_funcs);
-		break;
-	case TMD_VID:
-		mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tmd_vid_funcs);
-		break;
-	case HDMI:
-/*		if (dev_priv->mdfld_hdmi_present)
-			mdfld_hdmi_init(dev, &dev_priv->mode_dev); */
-		break;
-	}
-}
-
-
-int mdfld_output_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/* FIXME: hardcoded for now */
-	dev_priv->mdfld_panel_id = TC35876X;
-	/* MIPI panel 1 */
-	mdfld_init_panel(dev, 0, dev_priv->mdfld_panel_id);
-	/* HDMI panel */
-	mdfld_init_panel(dev, 1, HDMI);
-	return 0;
-}
-

drivers/gpu/drm/gma500/mdfld_output.h

-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef MDFLD_OUTPUT_H
-#define MDFLD_OUTPUT_H
-
-#include "psb_drv.h"
-
-#define TPO_PANEL_WIDTH		84
-#define TPO_PANEL_HEIGHT	46
-#define TMD_PANEL_WIDTH		39
-#define TMD_PANEL_HEIGHT	71
-
-struct mdfld_dsi_config;
-
-enum panel_type {
-	TPO_VID,
-	TMD_VID,
-	HDMI,
-	TC35876X,
-};
-
-struct panel_info {
-	u32 width_mm;
-	u32 height_mm;
-	/* Other info */
-};
-
-struct panel_funcs {
-	const struct drm_encoder_helper_funcs *encoder_helper_funcs;
-	struct drm_display_mode * (*get_config_mode)(struct drm_device *);
-	int (*get_panel_info)(struct drm_device *, int, struct panel_info *);
-	int (*reset)(struct drm_device *, int);
-	void (*drv_ic_init)(struct mdfld_dsi_config *dsi_config, int pipe);
-};
-
-int mdfld_output_init(struct drm_device *dev);
-
-struct backlight_device *mdfld_get_backlight_device(void);
-int mdfld_set_brightness(struct backlight_device *bd);
-
-int mdfld_get_panel_type(struct drm_device *dev, int pipe);
-
-extern const struct drm_crtc_helper_funcs mdfld_helper_funcs;
-
-extern const struct panel_funcs mdfld_tmd_vid_funcs;
-extern const struct panel_funcs mdfld_tpo_vid_funcs;
-
-extern void mdfld_disable_crtc(struct drm_device *dev, int pipe);
-extern void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe);
-extern void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe);
-#endif

drivers/gpu/drm/gma500/mdfld_tmd_vid.c

-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jim Liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- * Gideon Eaton <eaton.
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#include <linux/delay.h>
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-static struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct oaktrail_timing_info *ti = &dev_priv->gct_data.DTD;
-	bool use_gct = false; /*Disable GCT for now*/
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode)
-		return NULL;
-
-	if (use_gct) {
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay + \
-				((ti->hsync_offset_hi << 8) | \
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start + \
-				((ti->hsync_pulse_width_hi << 8) | \
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-								ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay + \
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-
-		dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-		dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-		dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-		dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-		dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-		dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-		dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-		dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-		dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-	} else {
-		mode->hdisplay = 480;
-		mode->vdisplay = 854;
-		mode->hsync_start = 487;
-		mode->hsync_end = 490;
-		mode->htotal = 499;
-		mode->vsync_start = 861;
-		mode->vsync_end = 865;
-		mode->vtotal = 873;
-		mode->clock = 33264;
-	}
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-static int tmd_vid_get_panel_info(struct drm_device *dev,
-				int pipe,
-				struct panel_info *pi)
-{
-	if (!dev || !pi)
-		return -EINVAL;
-
-	pi->width_mm = TMD_PANEL_WIDTH;
-	pi->height_mm = TMD_PANEL_HEIGHT;
-
-	return 0;
-}
-
-/* ************************************************************************* *\
- * FUNCTION: mdfld_init_TMD_MIPI
- *
- * DESCRIPTION:  This function is called only by mrst_dsi_mode_set and
- *               restore_display_registers.  since this function does not
- *               acquire the mutex, it is important that the calling function
- *               does!
-\* ************************************************************************* */
-
-/* FIXME: make the below data u8 instead of u32; note byte order! */
-static u32 tmd_cmd_mcap_off[] = {0x000000b2};
-static u32 tmd_cmd_enable_lane_switch[] = {0x000101ef};
-static u32 tmd_cmd_set_lane_num[] = {0x006360ef};
-static u32 tmd_cmd_pushing_clock0[] = {0x00cc2fef};
-static u32 tmd_cmd_pushing_clock1[] = {0x00dd6eef};
-static u32 tmd_cmd_set_mode[] = {0x000000b3};
-static u32 tmd_cmd_set_sync_pulse_mode[] = {0x000961ef};
-static u32 tmd_cmd_set_column[] = {0x0100002a, 0x000000df};
-static u32 tmd_cmd_set_page[] = {0x0300002b, 0x00000055};
-static u32 tmd_cmd_set_video_mode[] = {0x00000153};
-/*no auto_bl,need add in furture*/
-static u32 tmd_cmd_enable_backlight[] = {0x00005ab4};
-static u32 tmd_cmd_set_backlight_dimming[] = {0x00000ebd};
-
-static void mdfld_dsi_tmd_drv_ic_init(struct mdfld_dsi_config *dsi_config,
-				      int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender
-			= mdfld_dsi_get_pkg_sender(dsi_config);
-
-	DRM_INFO("Enter mdfld init TMD MIPI display.\n");
-
-	if (!sender) {
-		DRM_ERROR("Cannot get sender\n");
-		return;
-	}
-
-	if (dsi_config->dvr_ic_inited)
-		return;
-
-	msleep(3);
-
-	/* FIXME: make the below data u8 instead of u32; note byte order! */
-
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_mcap_off,
-				sizeof(tmd_cmd_mcap_off), false);
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_enable_lane_switch,
-				sizeof(tmd_cmd_enable_lane_switch), false);
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_lane_num,
-				sizeof(tmd_cmd_set_lane_num), false);
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_pushing_clock0,
-				sizeof(tmd_cmd_pushing_clock0), false);
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_pushing_clock1,
-				sizeof(tmd_cmd_pushing_clock1), false);
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_mode,
-				sizeof(tmd_cmd_set_mode), false);
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_sync_pulse_mode,
-				sizeof(tmd_cmd_set_sync_pulse_mode), false);
-	mdfld_dsi_send_mcs_long(sender, (u8 *) tmd_cmd_set_column,
-				sizeof(tmd_cmd_set_column), false);
-	mdfld_dsi_send_mcs_long(sender, (u8 *) tmd_cmd_set_page,
-				sizeof(tmd_cmd_set_page), false);
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_video_mode,
-				sizeof(tmd_cmd_set_video_mode), false);
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_enable_backlight,
-				sizeof(tmd_cmd_enable_backlight), false);
-	mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_backlight_dimming,
-				sizeof(tmd_cmd_set_backlight_dimming), false);
-
-	dsi_config->dvr_ic_inited = 1;
-}
-
-/*TPO DPI encoder helper funcs*/
-static const struct drm_encoder_helper_funcs
-				mdfld_tpo_dpi_encoder_helper_funcs = {
-	.dpms = mdfld_dsi_dpi_dpms,
-	.mode_fixup = mdfld_dsi_dpi_mode_fixup,
-	.prepare = mdfld_dsi_dpi_prepare,
-	.mode_set = mdfld_dsi_dpi_mode_set,
-	.commit = mdfld_dsi_dpi_commit,
-};
-
-const struct panel_funcs mdfld_tmd_vid_funcs = {
-	.encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs,
-	.get_config_mode = &tmd_vid_get_config_mode,
-	.get_panel_info = tmd_vid_get_panel_info,
-	.reset = mdfld_dsi_panel_reset,
-	.drv_ic_init = mdfld_dsi_tmd_drv_ic_init,
-};

drivers/gpu/drm/gma500/mmu.c

@@ -48,7 +48,6 @@ static inline uint32_t psb_mmu_pd_index(uint32_t offset)
 	return offset >> PSB_PDE_SHIFT;
 }
 
-#if defined(CONFIG_X86)
 static inline void psb_clflush(void *addr)
 {
 	__asm__ __volatile__("clflush (%0)\n" : : "r"(addr) : "memory");
@@ -63,13 +62,6 @@ static inline void psb_mmu_clflush(struct psb_mmu_driver *driver, void *addr)
 	psb_clflush(addr);
 	mb();
 }
-#else
-
-static inline void psb_mmu_clflush(struct psb_mmu_driver *driver, void *addr)
-{;
-}
-
-#endif
 
 static void psb_mmu_flush_pd_locked(struct psb_mmu_driver *driver, int force)
 {
@@ -293,7 +285,6 @@ static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
 	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
 		*ptes++ = pd->invalid_pte;
 
-#if defined(CONFIG_X86)
 	if (pd->driver->has_clflush && pd->hw_context != -1) {
 		mb();
 		for (i = 0; i < clflush_count; ++i) {
@@ -302,7 +293,6 @@ static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
 		}
 		mb();
 	}
-#endif
 	kunmap_atomic(v);
 	spin_unlock(lock);
 
@@ -459,7 +449,6 @@ struct psb_mmu_driver *psb_mmu_driver_init(struct drm_device *dev,
 
 	driver->has_clflush = 0;
 
-#if defined(CONFIG_X86)
 	if (boot_cpu_has(X86_FEATURE_CLFLUSH)) {
 		uint32_t tfms, misc, cap0, cap4, clflush_size;
 
@@ -476,7 +465,6 @@ struct psb_mmu_driver *psb_mmu_driver_init(struct drm_device *dev,
 		driver->clflush_mask = driver->clflush_add - 1;
 		driver->clflush_mask = ~driver->clflush_mask;
 	}
-#endif
 
 	up_write(&driver->sem);
 	return driver;
@@ -486,7 +474,6 @@ struct psb_mmu_driver *psb_mmu_driver_init(struct drm_device *dev,
 	return NULL;
 }
 
-#if defined(CONFIG_X86)
 static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, unsigned long address,
 			       uint32_t num_pages, uint32_t desired_tile_stride,
 			       uint32_t hw_tile_stride)
@@ -534,14 +521,6 @@ static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, unsigned long address,
 	}
 	mb();
 }
-#else
-static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, unsigned long address,
-			       uint32_t num_pages, uint32_t desired_tile_stride,
-			       uint32_t hw_tile_stride)
-{
-	drm_ttm_cache_flush();
-}
-#endif
 
 void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
 				 unsigned long address, uint32_t num_pages)