[Intel-gfx] [PATCH] drm/i915/display: abstract all vgaarb access to intel_vga.[ch]

Ville Syrjälä ville.syrjala at linux.intel.com
Tue Oct 1 17:31:06 UTC 2019


On Tue, Oct 01, 2019 at 06:25:06PM +0300, Jani Nikula wrote:
> Split out the code related to vga client and vgaarb all over the place
> into new intel_vga.[ch]. No functional changes.
> 
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> ---
>  drivers/gpu/drm/i915/Makefile                 |   3 +-
>  drivers/gpu/drm/i915/display/intel_display.c  |  97 +----------
>  drivers/gpu/drm/i915/display/intel_display.h  |   3 -
>  .../drm/i915/display/intel_display_power.c    |  24 +--
>  drivers/gpu/drm/i915/display/intel_vga.c      | 160 ++++++++++++++++++
>  drivers/gpu/drm/i915/display/intel_vga.h      |  18 ++
>  drivers/gpu/drm/i915/i915_drv.c               |  30 +---
>  drivers/gpu/drm/i915/i915_pci.c               |   1 -
>  drivers/gpu/drm/i915/i915_suspend.c           |   3 +-
>  drivers/gpu/drm/i915/intel_runtime_pm.c       |   1 -
>  10 files changed, 194 insertions(+), 146 deletions(-)
>  create mode 100644 drivers/gpu/drm/i915/display/intel_vga.c
>  create mode 100644 drivers/gpu/drm/i915/display/intel_vga.h
> 
> diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
> index e04463d85401..d2b53b5add81 100644
> --- a/drivers/gpu/drm/i915/Makefile
> +++ b/drivers/gpu/drm/i915/Makefile
> @@ -184,7 +184,8 @@ i915-y += \
>  	display/intel_psr.o \
>  	display/intel_quirks.o \
>  	display/intel_sprite.o \
> -	display/intel_tc.o
> +	display/intel_tc.o \
> +	display/intel_vga.o
>  i915-$(CONFIG_ACPI) += \
>  	display/intel_acpi.o \
>  	display/intel_opregion.o
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index f1328c08f4ad..d99c59e97568 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -31,7 +31,6 @@
>  #include <linux/module.h>
>  #include <linux/dma-resv.h>
>  #include <linux/slab.h>
> -#include <linux/vgaarb.h>
>  
>  #include <drm/drm_atomic.h>
>  #include <drm/drm_atomic_helper.h>
> @@ -79,6 +78,7 @@
>  #include "intel_sideband.h"
>  #include "intel_sprite.h"
>  #include "intel_tc.h"
> +#include "intel_vga.h"
>  
>  /* Primary plane formats for gen <= 3 */
>  static const u32 i8xx_primary_formats[] = {
> @@ -4241,7 +4241,7 @@ __intel_display_resume(struct drm_device *dev,
>  	int i, ret;
>  
>  	intel_modeset_setup_hw_state(dev, ctx);
> -	i915_redisable_vga(to_i915(dev));
> +	intel_vga_redisable(to_i915(dev));
>  
>  	if (!state)
>  		return 0;
> @@ -15994,35 +15994,6 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv)
>  
>  }
>  
> -static i915_reg_t i915_vgacntrl_reg(struct drm_i915_private *dev_priv)
> -{
> -	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
> -		return VLV_VGACNTRL;
> -	else if (INTEL_GEN(dev_priv) >= 5)
> -		return CPU_VGACNTRL;
> -	else
> -		return VGACNTRL;
> -}
> -
> -/* Disable the VGA plane that we never use */
> -static void i915_disable_vga(struct drm_i915_private *dev_priv)
> -{
> -	struct pci_dev *pdev = dev_priv->drm.pdev;
> -	u8 sr1;
> -	i915_reg_t vga_reg = i915_vgacntrl_reg(dev_priv);
> -
> -	/* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */
> -	vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
> -	outb(SR01, VGA_SR_INDEX);
> -	sr1 = inb(VGA_SR_DATA);
> -	outb(sr1 | 1<<5, VGA_SR_DATA);
> -	vga_put(pdev, VGA_RSRC_LEGACY_IO);
> -	udelay(300);
> -
> -	I915_WRITE(vga_reg, VGA_DISP_DISABLE);
> -	POSTING_READ(vga_reg);
> -}
> -
>  void intel_modeset_init_hw(struct drm_i915_private *i915)
>  {
>  	intel_update_cdclk(i915);
> @@ -16288,7 +16259,7 @@ int intel_modeset_init(struct drm_i915_private *i915)
>  		intel_update_max_cdclk(i915);
>  
>  	/* Just disable it once at startup */
> -	i915_disable_vga(i915);
> +	intel_vga_disable(i915);
>  	intel_setup_outputs(i915);
>  
>  	drm_modeset_lock_all(dev);
> @@ -16647,39 +16618,6 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
>  		icl_sanitize_encoder_pll_mapping(encoder);
>  }
>  
> -void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv)
> -{
> -	i915_reg_t vga_reg = i915_vgacntrl_reg(dev_priv);
> -
> -	if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) {
> -		DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n");
> -		i915_disable_vga(dev_priv);
> -	}
> -}
> -
> -void i915_redisable_vga(struct drm_i915_private *dev_priv)
> -{
> -	intel_wakeref_t wakeref;
> -
> -	/*
> -	 * This function can be called both from intel_modeset_setup_hw_state or
> -	 * at a very early point in our resume sequence, where the power well
> -	 * structures are not yet restored. Since this function is at a very
> -	 * paranoid "someone might have enabled VGA while we were not looking"
> -	 * level, just check if the power well is enabled instead of trying to
> -	 * follow the "don't touch the power well if we don't need it" policy
> -	 * the rest of the driver uses.
> -	 */
> -	wakeref = intel_display_power_get_if_enabled(dev_priv,
> -						     POWER_DOMAIN_VGA);
> -	if (!wakeref)
> -		return;
> -
> -	i915_redisable_vga_power_on(dev_priv);
> -
> -	intel_display_power_put(dev_priv, POWER_DOMAIN_VGA, wakeref);
> -}
> -
>  /* FIXME read out full plane state for all planes */
>  static void readout_plane_state(struct drm_i915_private *dev_priv)
>  {
> @@ -17188,35 +17126,6 @@ void intel_modeset_driver_remove(struct drm_i915_private *i915)
>  	intel_fbc_cleanup_cfb(i915);
>  }
>  
> -/*
> - * set vga decode state - true == enable VGA decode
> - */
> -int intel_modeset_vga_set_state(struct drm_i915_private *dev_priv, bool state)
> -{
> -	unsigned reg = INTEL_GEN(dev_priv) >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL;
> -	u16 gmch_ctrl;
> -
> -	if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) {
> -		DRM_ERROR("failed to read control word\n");
> -		return -EIO;
> -	}
> -
> -	if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state)
> -		return 0;
> -
> -	if (state)
> -		gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE;
> -	else
> -		gmch_ctrl |= INTEL_GMCH_VGA_DISABLE;
> -
> -	if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) {
> -		DRM_ERROR("failed to write control word\n");
> -		return -EIO;
> -	}
> -
> -	return 0;
> -}
> -
>  #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
>  
>  struct intel_display_error_state {
> diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
> index 4b9e18e5a263..2782f23ee887 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.h
> +++ b/drivers/gpu/drm/i915/display/intel_display.h
> @@ -579,10 +579,7 @@ void intel_display_print_error_state(struct drm_i915_error_state_buf *e,
>  void intel_modeset_init_hw(struct drm_i915_private *i915);
>  int intel_modeset_init(struct drm_i915_private *i915);
>  void intel_modeset_driver_remove(struct drm_i915_private *i915);
> -int intel_modeset_vga_set_state(struct drm_i915_private *dev_priv, bool state);
>  void intel_display_resume(struct drm_device *dev);
> -void i915_redisable_vga(struct drm_i915_private *dev_priv);
> -void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv);
>  void intel_init_pch_refclk(struct drm_i915_private *dev_priv);
>  
>  /* modesetting asserts */
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> index f1186bc23542..bb642a1a0dd4 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -3,8 +3,6 @@
>   * Copyright © 2019 Intel Corporation
>   */
>  
> -#include <linux/vgaarb.h>
> -
>  #include "display/intel_crt.h"
>  #include "display/intel_dp.h"
>  
> @@ -19,6 +17,7 @@
>  #include "intel_hotplug.h"
>  #include "intel_sideband.h"
>  #include "intel_tc.h"
> +#include "intel_vga.h"
>  
>  bool intel_display_power_well_is_enabled(struct drm_i915_private *dev_priv,
>  					 enum i915_power_well_id power_well_id);
> @@ -267,23 +266,8 @@ bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
>  static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv,
>  				       u8 irq_pipe_mask, bool has_vga)
>  {
> -	struct pci_dev *pdev = dev_priv->drm.pdev;
> -
> -	/*
> -	 * After we re-enable the power well, if we touch VGA register 0x3d5
> -	 * we'll get unclaimed register interrupts. This stops after we write
> -	 * anything to the VGA MSR register. The vgacon module uses this
> -	 * register all the time, so if we unbind our driver and, as a
> -	 * consequence, bind vgacon, we'll get stuck in an infinite loop at
> -	 * console_unlock(). So make here we touch the VGA MSR register, making
> -	 * sure vgacon can keep working normally without triggering interrupts
> -	 * and error messages.
> -	 */
> -	if (has_vga) {
> -		vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
> -		outb(inb(VGA_MSR_READ), VGA_MSR_WRITE);
> -		vga_put(pdev, VGA_RSRC_LEGACY_IO);
> -	}
> +	if (has_vga)
> +		intel_vga_msr_write(dev_priv);

I'd probably call this something like intel_vga_reset_io_mem().

lgtm
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

>  
>  	if (irq_pipe_mask)
>  		gen8_irq_power_well_post_enable(dev_priv, irq_pipe_mask);
> @@ -1205,7 +1189,7 @@ static void vlv_display_power_well_init(struct drm_i915_private *dev_priv)
>  			intel_crt_reset(&encoder->base);
>  	}
>  
> -	i915_redisable_vga_power_on(dev_priv);
> +	intel_vga_redisable_power_on(dev_priv);
>  
>  	intel_pps_unlock_regs_wa(dev_priv);
>  }
> diff --git a/drivers/gpu/drm/i915/display/intel_vga.c b/drivers/gpu/drm/i915/display/intel_vga.c
> new file mode 100644
> index 000000000000..732568eaa988
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/display/intel_vga.c
> @@ -0,0 +1,160 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * Copyright © 2019 Intel Corporation
> + */
> +
> +#include <linux/pci.h>
> +#include <linux/vgaarb.h>
> +
> +#include <drm/i915_drm.h>
> +
> +#include "i915_drv.h"
> +#include "intel_vga.h"
> +
> +static i915_reg_t intel_vga_cntrl_reg(struct drm_i915_private *i915)
> +{
> +	if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915))
> +		return VLV_VGACNTRL;
> +	else if (INTEL_GEN(i915) >= 5)
> +		return CPU_VGACNTRL;
> +	else
> +		return VGACNTRL;
> +}
> +
> +/* Disable the VGA plane that we never use */
> +void intel_vga_disable(struct drm_i915_private *dev_priv)
> +{
> +	struct pci_dev *pdev = dev_priv->drm.pdev;
> +	i915_reg_t vga_reg = intel_vga_cntrl_reg(dev_priv);
> +	u8 sr1;
> +
> +	/* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */
> +	vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
> +	outb(SR01, VGA_SR_INDEX);
> +	sr1 = inb(VGA_SR_DATA);
> +	outb(sr1 | 1 << 5, VGA_SR_DATA);
> +	vga_put(pdev, VGA_RSRC_LEGACY_IO);
> +	udelay(300);
> +
> +	I915_WRITE(vga_reg, VGA_DISP_DISABLE);
> +	POSTING_READ(vga_reg);
> +}
> +
> +void intel_vga_redisable_power_on(struct drm_i915_private *dev_priv)
> +{
> +	i915_reg_t vga_reg = intel_vga_cntrl_reg(dev_priv);
> +
> +	if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) {
> +		DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n");
> +		intel_vga_disable(dev_priv);
> +	}
> +}
> +
> +void intel_vga_redisable(struct drm_i915_private *i915)
> +{
> +	intel_wakeref_t wakeref;
> +
> +	/*
> +	 * This function can be called both from intel_modeset_setup_hw_state or
> +	 * at a very early point in our resume sequence, where the power well
> +	 * structures are not yet restored. Since this function is at a very
> +	 * paranoid "someone might have enabled VGA while we were not looking"
> +	 * level, just check if the power well is enabled instead of trying to
> +	 * follow the "don't touch the power well if we don't need it" policy
> +	 * the rest of the driver uses.
> +	 */
> +	wakeref = intel_display_power_get_if_enabled(i915, POWER_DOMAIN_VGA);
> +	if (!wakeref)
> +		return;
> +
> +	intel_vga_redisable_power_on(i915);
> +
> +	intel_display_power_put(i915, POWER_DOMAIN_VGA, wakeref);
> +}
> +
> +void intel_vga_msr_write(struct drm_i915_private *i915)
> +{
> +	struct pci_dev *pdev = i915->drm.pdev;
> +
> +	/*
> +	 * After we re-enable the power well, if we touch VGA register 0x3d5
> +	 * we'll get unclaimed register interrupts. This stops after we write
> +	 * anything to the VGA MSR register. The vgacon module uses this
> +	 * register all the time, so if we unbind our driver and, as a
> +	 * consequence, bind vgacon, we'll get stuck in an infinite loop at
> +	 * console_unlock(). So make here we touch the VGA MSR register, making
> +	 * sure vgacon can keep working normally without triggering interrupts
> +	 * and error messages.
> +	 */
> +	vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
> +	outb(inb(VGA_MSR_READ), VGA_MSR_WRITE);
> +	vga_put(pdev, VGA_RSRC_LEGACY_IO);
> +}
> +
> +static int
> +intel_vga_set_state(struct drm_i915_private *i915, bool enable_decode)
> +{
> +	unsigned int reg = INTEL_GEN(i915) >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL;
> +	u16 gmch_ctrl;
> +
> +	if (pci_read_config_word(i915->bridge_dev, reg, &gmch_ctrl)) {
> +		DRM_ERROR("failed to read control word\n");
> +		return -EIO;
> +	}
> +
> +	if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !enable_decode)
> +		return 0;
> +
> +	if (enable_decode)
> +		gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE;
> +	else
> +		gmch_ctrl |= INTEL_GMCH_VGA_DISABLE;
> +
> +	if (pci_write_config_word(i915->bridge_dev, reg, gmch_ctrl)) {
> +		DRM_ERROR("failed to write control word\n");
> +		return -EIO;
> +	}
> +
> +	return 0;
> +}
> +
> +static unsigned int
> +intel_vga_set_decode(void *cookie, bool enable_decode)
> +{
> +	struct drm_i915_private *i915 = cookie;
> +
> +	intel_vga_set_state(i915, enable_decode);
> +
> +	if (enable_decode)
> +		return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
> +		       VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
> +	else
> +		return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
> +}
> +
> +int intel_vga_register(struct drm_i915_private *i915)
> +{
> +	struct pci_dev *pdev = i915->drm.pdev;
> +	int ret;
> +
> +	/*
> +	 * If we have > 1 VGA cards, then we need to arbitrate access to the
> +	 * common VGA resources.
> +	 *
> +	 * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
> +	 * then we do not take part in VGA arbitration and the
> +	 * vga_client_register() fails with -ENODEV.
> +	 */
> +	ret = vga_client_register(pdev, i915, NULL, intel_vga_set_decode);
> +	if (ret && ret != -ENODEV)
> +		return ret;
> +
> +	return 0;
> +}
> +
> +void intel_vga_unregister(struct drm_i915_private *i915)
> +{
> +	struct pci_dev *pdev = i915->drm.pdev;
> +
> +	vga_client_register(pdev, NULL, NULL, NULL);
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_vga.h b/drivers/gpu/drm/i915/display/intel_vga.h
> new file mode 100644
> index 000000000000..3517872e62ac
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/display/intel_vga.h
> @@ -0,0 +1,18 @@
> +/* SPDX-License-Identifier: MIT */
> +/*
> + * Copyright © 2019 Intel Corporation
> + */
> +
> +#ifndef __INTEL_VGA_H__
> +#define __INTEL_VGA_H__
> +
> +struct drm_i915_private;
> +
> +void intel_vga_msr_write(struct drm_i915_private *i915);
> +void intel_vga_disable(struct drm_i915_private *i915);
> +void intel_vga_redisable(struct drm_i915_private *i915);
> +void intel_vga_redisable_power_on(struct drm_i915_private *i915);
> +int intel_vga_register(struct drm_i915_private *i915);
> +void intel_vga_unregister(struct drm_i915_private *i915);
> +
> +#endif /* __INTEL_VGA_H__ */
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 91aae56b4280..3306c6bb515a 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -36,7 +36,6 @@
>  #include <linux/pm_runtime.h>
>  #include <linux/pnp.h>
>  #include <linux/slab.h>
> -#include <linux/vgaarb.h>
>  #include <linux/vga_switcheroo.h>
>  #include <linux/vt.h>
>  #include <acpi/video.h>
> @@ -59,6 +58,7 @@
>  #include "display/intel_overlay.h"
>  #include "display/intel_pipe_crc.h"
>  #include "display/intel_sprite.h"
> +#include "display/intel_vga.h"
>  
>  #include "gem/i915_gem_context.h"
>  #include "gem/i915_gem_ioctls.h"
> @@ -269,19 +269,6 @@ intel_teardown_mchbar(struct drm_i915_private *dev_priv)
>  		release_resource(&dev_priv->mch_res);
>  }
>  
> -/* true = enable decode, false = disable decoder */
> -static unsigned int i915_vga_set_decode(void *cookie, bool state)
> -{
> -	struct drm_i915_private *dev_priv = cookie;
> -
> -	intel_modeset_vga_set_state(dev_priv, state);
> -	if (state)
> -		return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
> -		       VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
> -	else
> -		return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
> -}
> -
>  static int i915_resume_switcheroo(struct drm_i915_private *i915);
>  static int i915_suspend_switcheroo(struct drm_i915_private *i915,
>  				   pm_message_t state);
> @@ -346,15 +333,8 @@ static int i915_driver_modeset_probe(struct drm_i915_private *i915)
>  
>  	intel_bios_init(i915);
>  
> -	/* If we have > 1 VGA cards, then we need to arbitrate access
> -	 * to the common VGA resources.
> -	 *
> -	 * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
> -	 * then we do not take part in VGA arbitration and the
> -	 * vga_client_register() fails with -ENODEV.
> -	 */
> -	ret = vga_client_register(pdev, i915, NULL, i915_vga_set_decode);
> -	if (ret && ret != -ENODEV)
> +	ret = intel_vga_register(i915);
> +	if (ret)
>  		goto out;
>  
>  	intel_register_dsm_handler();
> @@ -416,7 +396,7 @@ static int i915_driver_modeset_probe(struct drm_i915_private *i915)
>  	intel_power_domains_driver_remove(i915);
>  	vga_switcheroo_unregister_client(pdev);
>  cleanup_vga_client:
> -	vga_client_register(pdev, NULL, NULL, NULL);
> +	intel_vga_unregister(i915);
>  out:
>  	return ret;
>  }
> @@ -430,7 +410,7 @@ static void i915_driver_modeset_remove(struct drm_i915_private *i915)
>  	intel_bios_driver_remove(i915);
>  
>  	vga_switcheroo_unregister_client(pdev);
> -	vga_client_register(pdev, NULL, NULL, NULL);
> +	intel_vga_unregister(i915);
>  
>  	intel_csr_ucode_fini(i915);
>  }
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index ea53dfe2fba0..1cbf3998b361 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -23,7 +23,6 @@
>   */
>  
>  #include <linux/console.h>
> -#include <linux/vgaarb.h>
>  #include <linux/vga_switcheroo.h>
>  
>  #include <drm/drm_drv.h>
> diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
> index 8508a01ad8b9..2b2086def0f1 100644
> --- a/drivers/gpu/drm/i915/i915_suspend.c
> +++ b/drivers/gpu/drm/i915/i915_suspend.c
> @@ -28,6 +28,7 @@
>  
>  #include "display/intel_fbc.h"
>  #include "display/intel_gmbus.h"
> +#include "display/intel_vga.h"
>  
>  #include "i915_drv.h"
>  #include "i915_reg.h"
> @@ -57,7 +58,7 @@ static void i915_restore_display(struct drm_i915_private *dev_priv)
>  	if (HAS_FBC(dev_priv) && INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev_priv))
>  		I915_WRITE(FBC_CONTROL, dev_priv->regfile.saveFBC_CONTROL);
>  
> -	i915_redisable_vga(dev_priv);
> +	intel_vga_redisable(dev_priv);
>  }
>  
>  int i915_save_state(struct drm_i915_private *dev_priv)
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index 2fd3c097e1f5..ad719c9602af 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -27,7 +27,6 @@
>   */
>  
>  #include <linux/pm_runtime.h>
> -#include <linux/vgaarb.h>
>  
>  #include <drm/drm_print.h>
>  
> -- 
> 2.20.1

-- 
Ville Syrjälä
Intel


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