[Intel-gfx] [PATCH] drm/i915: Rename global i915 to i915_modparams

Jani Nikula jani.nikula at intel.com
Mon Sep 18 19:11:40 UTC 2017


On Mon, 18 Sep 2017, Michal Wajdeczko <michal.wajdeczko at intel.com> wrote:
> Our global struct with params is named exactly the same way
> as new preferred name for the drm_i915_private function parameter.
> To avoid such name reuse lets use different name for the global.
>
> v4: introduction of mkwrite()

Why?

I don't know what you're trying to achieve with the mkwrite() stuff (the
commit message would be the perfect place to explain that) but no matter
what it should IMO be a separate patch.

I think the simple s/i915/i915_modparams/ would be fine, and we could
move on.

BR,
Jani.


>
> Credits-to: Coccinelle
>
> @@
> identifier n;
> expression e;
> @@
>
> (
> -	i915.n = e;
> +	i915_modparams_mkwrite()->n = e;
> |
> -	i915.n++;
> +	i915_modparams_mkwrite()->n++;
> |
> -	i915.n--;
> +	i915_modparams_mkwrite()->n--;
> |
> -	i915.n
> +	i915_modparams.n
> )
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Jani Nikula <jani.nikula at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Cc: Ville Syrjala <ville.syrjala at intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/gvt/render.c             |  2 +-
>  drivers/gpu/drm/i915/i915_debugfs.c           | 14 +++----
>  drivers/gpu/drm/i915/i915_drv.c               | 34 +++++++++--------
>  drivers/gpu/drm/i915/i915_drv.h               | 10 ++---
>  drivers/gpu/drm/i915/i915_gem.c               |  4 +-
>  drivers/gpu/drm/i915/i915_gem_context.c       | 12 +++---
>  drivers/gpu/drm/i915/i915_gem_execbuffer.c    |  2 +-
>  drivers/gpu/drm/i915/i915_gem_gtt.c           |  6 +--
>  drivers/gpu/drm/i915/i915_gpu_error.c         |  6 +--
>  drivers/gpu/drm/i915/i915_guc_submission.c    |  2 +-
>  drivers/gpu/drm/i915/i915_irq.c               |  2 +-
>  drivers/gpu/drm/i915/i915_params.c            |  6 +--
>  drivers/gpu/drm/i915/i915_params.h            |  7 +++-
>  drivers/gpu/drm/i915/i915_pci.c               |  6 +--
>  drivers/gpu/drm/i915/i915_perf.c              |  6 +--
>  drivers/gpu/drm/i915/intel_bios.c             |  7 ++--
>  drivers/gpu/drm/i915/intel_crt.c              |  4 +-
>  drivers/gpu/drm/i915/intel_device_info.c      |  2 +-
>  drivers/gpu/drm/i915/intel_display.c          | 12 +++---
>  drivers/gpu/drm/i915/intel_dp.c               |  4 +-
>  drivers/gpu/drm/i915/intel_dp_aux_backlight.c |  2 +-
>  drivers/gpu/drm/i915/intel_drv.h              |  2 +-
>  drivers/gpu/drm/i915/intel_engine_cs.c        |  4 +-
>  drivers/gpu/drm/i915/intel_fbc.c              | 12 +++---
>  drivers/gpu/drm/i915/intel_guc_loader.c       | 13 ++++---
>  drivers/gpu/drm/i915/intel_guc_log.c          | 26 +++++++------
>  drivers/gpu/drm/i915/intel_gvt.c              | 12 +++---
>  drivers/gpu/drm/i915/intel_hangcheck.c        |  2 +-
>  drivers/gpu/drm/i915/intel_huc.c              |  4 +-
>  drivers/gpu/drm/i915/intel_lrc.c              |  4 +-
>  drivers/gpu/drm/i915/intel_lvds.c             |  4 +-
>  drivers/gpu/drm/i915/intel_opregion.c         |  2 +-
>  drivers/gpu/drm/i915/intel_panel.c            |  8 ++--
>  drivers/gpu/drm/i915/intel_pm.c               |  6 +--
>  drivers/gpu/drm/i915/intel_psr.c              | 10 ++---
>  drivers/gpu/drm/i915/intel_ringbuffer.c       |  8 ++--
>  drivers/gpu/drm/i915/intel_runtime_pm.c       | 17 +++++----
>  drivers/gpu/drm/i915/intel_uc.c               | 53 ++++++++++++++-------------
>  drivers/gpu/drm/i915/intel_uncore.c           | 22 ++++++-----
>  39 files changed, 190 insertions(+), 169 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gvt/render.c b/drivers/gpu/drm/i915/gvt/render.c
> index 2ea5422..6d066cf 100644
> --- a/drivers/gpu/drm/i915/gvt/render.c
> +++ b/drivers/gpu/drm/i915/gvt/render.c
> @@ -293,7 +293,7 @@ static void switch_mmio_to_vgpu(struct intel_vgpu *vgpu, int ring_id)
>  		 */
>  		if (mmio->in_context &&
>  				((ctx_ctrl & inhibit_mask) != inhibit_mask) &&
> -				i915.enable_execlists)
> +				i915_modparams.enable_execlists)
>  			continue;
>  
>  		if (mmio->mask)
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index ca6fa6d..13fc259 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -67,7 +67,7 @@ static int i915_capabilities(struct seq_file *m, void *data)
>  #undef PRINT_FLAG
>  
>  	kernel_param_lock(THIS_MODULE);
> -#define PRINT_PARAM(T, x) seq_print_param(m, #x, #T, &i915.x);
> +#define PRINT_PARAM(T, x) seq_print_param(m, #x, #T, &i915_modparams.x);
>  	I915_PARAMS_FOR_EACH(PRINT_PARAM);
>  #undef PRINT_PARAM
>  	kernel_param_unlock(THIS_MODULE);
> @@ -1267,7 +1267,7 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
>  	if (waitqueue_active(&dev_priv->gpu_error.reset_queue))
>  		seq_puts(m, "struct_mutex blocked for reset\n");
>  
> -	if (!i915.enable_hangcheck) {
> +	if (!i915_modparams.enable_hangcheck) {
>  		seq_puts(m, "Hangcheck disabled\n");
>  		return 0;
>  	}
> @@ -1702,7 +1702,7 @@ static int i915_ips_status(struct seq_file *m, void *unused)
>  	intel_runtime_pm_get(dev_priv);
>  
>  	seq_printf(m, "Enabled by kernel parameter: %s\n",
> -		   yesno(i915.enable_ips));
> +		   yesno(i915_modparams.enable_ips));
>  
>  	if (INTEL_GEN(dev_priv) >= 8) {
>  		seq_puts(m, "Currently: unknown\n");
> @@ -2017,7 +2017,7 @@ static int i915_dump_lrc(struct seq_file *m, void *unused)
>  	enum intel_engine_id id;
>  	int ret;
>  
> -	if (!i915.enable_execlists) {
> +	if (!i915_modparams.enable_execlists) {
>  		seq_printf(m, "Logical Ring Contexts are disabled\n");
>  		return 0;
>  	}
> @@ -2593,7 +2593,7 @@ static int i915_guc_log_control_get(void *data, u64 *val)
>  	if (!dev_priv->guc.log.vma)
>  		return -EINVAL;
>  
> -	*val = i915.guc_log_level;
> +	*val = i915_modparams.guc_log_level;
>  
>  	return 0;
>  }
> @@ -3311,7 +3311,7 @@ static int i915_engine_info(struct seq_file *m, void *unused)
>  		seq_printf(m, "\tBBADDR: 0x%08x_%08x\n",
>  			   upper_32_bits(addr), lower_32_bits(addr));
>  
> -		if (i915.enable_execlists) {
> +		if (i915_modparams.enable_execlists) {
>  			const u32 *hws = &engine->status_page.page_addr[I915_HWS_CSB_BUF0_INDEX];
>  			u32 ptr, read, write;
>  			unsigned int idx;
> @@ -3407,7 +3407,7 @@ static int i915_semaphore_status(struct seq_file *m, void *unused)
>  	enum intel_engine_id id;
>  	int j, ret;
>  
> -	if (!i915.semaphores) {
> +	if (!i915_modparams.semaphores) {
>  		seq_puts(m, "Semaphores are disabled\n");
>  		return 0;
>  	}
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 5c111ea..4c32b15 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -58,12 +58,12 @@ static unsigned int i915_load_fail_count;
>  
>  bool __i915_inject_load_failure(const char *func, int line)
>  {
> -	if (i915_load_fail_count >= i915.inject_load_failure)
> +	if (i915_load_fail_count >= i915_modparams.inject_load_failure)
>  		return false;
>  
> -	if (++i915_load_fail_count == i915.inject_load_failure) {
> +	if (++i915_load_fail_count == i915_modparams.inject_load_failure) {
>  		DRM_INFO("Injecting failure at checkpoint %u [%s:%d]\n",
> -			 i915.inject_load_failure, func, line);
> +			 i915_modparams.inject_load_failure, func, line);
>  		return true;
>  	}
>  
> @@ -106,8 +106,8 @@ __i915_printk(struct drm_i915_private *dev_priv, const char *level,
>  
>  static bool i915_error_injected(struct drm_i915_private *dev_priv)
>  {
> -	return i915.inject_load_failure &&
> -	       i915_load_fail_count == i915.inject_load_failure;
> +	return i915_modparams.inject_load_failure &&
> +	       i915_load_fail_count == i915_modparams.inject_load_failure;
>  }
>  
>  #define i915_load_error(dev_priv, fmt, ...)				     \
> @@ -321,7 +321,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
>  		value = USES_PPGTT(dev_priv);
>  		break;
>  	case I915_PARAM_HAS_SEMAPHORES:
> -		value = i915.semaphores;
> +		value = i915_modparams.semaphores;
>  		break;
>  	case I915_PARAM_HAS_SECURE_BATCHES:
>  		value = capable(CAP_SYS_ADMIN);
> @@ -340,7 +340,8 @@ static int i915_getparam(struct drm_device *dev, void *data,
>  			return -ENODEV;
>  		break;
>  	case I915_PARAM_HAS_GPU_RESET:
> -		value = i915.enable_hangcheck && intel_has_gpu_reset(dev_priv);
> +		value = i915_modparams.enable_hangcheck &&
> +			intel_has_gpu_reset(dev_priv);
>  		if (value && intel_has_reset_engine(dev_priv))
>  			value = 2;
>  		break;
> @@ -1031,9 +1032,9 @@ static void i915_driver_cleanup_mmio(struct drm_i915_private *dev_priv)
>  
>  static void intel_sanitize_options(struct drm_i915_private *dev_priv)
>  {
> -	i915.enable_execlists =
> +	i915_modparams_mkwrite()->enable_execlists =
>  		intel_sanitize_enable_execlists(dev_priv,
> -						i915.enable_execlists);
> +						i915_modparams.enable_execlists);
>  
>  	/*
>  	 * i915.enable_ppgtt is read-only, so do an early pass to validate the
> @@ -1041,12 +1042,15 @@ static void intel_sanitize_options(struct drm_i915_private *dev_priv)
>  	 * do this now so that we can print out any log messages once rather
>  	 * than every time we check intel_enable_ppgtt().
>  	 */
> -	i915.enable_ppgtt =
> -		intel_sanitize_enable_ppgtt(dev_priv, i915.enable_ppgtt);
> -	DRM_DEBUG_DRIVER("ppgtt mode: %i\n", i915.enable_ppgtt);
> +	i915_modparams_mkwrite()->enable_ppgtt =
> +		intel_sanitize_enable_ppgtt(dev_priv,
> +					    i915_modparams.enable_ppgtt);
> +	DRM_DEBUG_DRIVER("ppgtt mode: %i\n", i915_modparams.enable_ppgtt);
>  
> -	i915.semaphores = intel_sanitize_semaphores(dev_priv, i915.semaphores);
> -	DRM_DEBUG_DRIVER("use GPU semaphores? %s\n", yesno(i915.semaphores));
> +	i915_modparams_mkwrite()->semaphores =
> +		intel_sanitize_semaphores(dev_priv, i915_modparams.semaphores);
> +	DRM_DEBUG_DRIVER("use GPU semaphores? %s\n",
> +			 yesno(i915_modparams.semaphores));
>  
>  	intel_uc_sanitize_options(dev_priv);
>  
> @@ -1277,7 +1281,7 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent)
>  	int ret;
>  
>  	/* Enable nuclear pageflip on ILK+ */
> -	if (!i915.nuclear_pageflip && match_info->gen < 5)
> +	if (!i915_modparams.nuclear_pageflip && match_info->gen < 5)
>  		driver.driver_features &= ~DRIVER_ATOMIC;
>  
>  	ret = -ENOMEM;
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 8b735b6..583d45d 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -93,7 +93,7 @@
>  #define I915_STATE_WARN(condition, format...) ({			\
>  	int __ret_warn_on = !!(condition);				\
>  	if (unlikely(__ret_warn_on))					\
> -		if (!WARN(i915.verbose_state_checks, format))		\
> +		if (!WARN(i915_modparams.verbose_state_checks, format))	\
>  			DRM_ERROR(format);				\
>  	unlikely(__ret_warn_on);					\
>  })
> @@ -3073,9 +3073,9 @@ intel_info(const struct drm_i915_private *dev_priv)
>  
>  #define HAS_LOGICAL_RING_CONTEXTS(dev_priv) \
>  		((dev_priv)->info.has_logical_ring_contexts)
> -#define USES_PPGTT(dev_priv)		(i915.enable_ppgtt)
> -#define USES_FULL_PPGTT(dev_priv)	(i915.enable_ppgtt >= 2)
> -#define USES_FULL_48BIT_PPGTT(dev_priv)	(i915.enable_ppgtt == 3)
> +#define USES_PPGTT(dev_priv)		(i915_modparams.enable_ppgtt)
> +#define USES_FULL_PPGTT(dev_priv)	(i915_modparams.enable_ppgtt >= 2)
> +#define USES_FULL_48BIT_PPGTT(dev_priv)	(i915_modparams.enable_ppgtt == 3)
>  
>  #define HAS_OVERLAY(dev_priv)		 ((dev_priv)->info.has_overlay)
>  #define OVERLAY_NEEDS_PHYSICAL(dev_priv) \
> @@ -3276,7 +3276,7 @@ static inline void i915_queue_hangcheck(struct drm_i915_private *dev_priv)
>  {
>  	unsigned long delay;
>  
> -	if (unlikely(!i915.enable_hangcheck))
> +	if (unlikely(!i915_modparams.enable_hangcheck))
>  		return;
>  
>  	/* Don't continually defer the hangcheck so that it is always run at
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index c4bf348..2a650f9 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -4738,7 +4738,7 @@ bool intel_sanitize_semaphores(struct drm_i915_private *dev_priv, int value)
>  		return false;
>  
>  	/* TODO: make semaphores and Execlists play nicely together */
> -	if (i915.enable_execlists)
> +	if (i915_modparams.enable_execlists)
>  		return false;
>  
>  	if (value >= 0)
> @@ -4759,7 +4759,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
>  
>  	dev_priv->mm.unordered_timeline = dma_fence_context_alloc(1);
>  
> -	if (!i915.enable_execlists) {
> +	if (!i915_modparams.enable_execlists) {
>  		dev_priv->gt.resume = intel_legacy_submission_resume;
>  		dev_priv->gt.cleanup_engine = intel_engine_cleanup;
>  	} else {
> diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
> index 58a2a44..921ee36 100644
> --- a/drivers/gpu/drm/i915/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/i915_gem_context.c
> @@ -314,7 +314,7 @@ __create_hw_context(struct drm_i915_private *dev_priv,
>  	 * present or not in use we still need a small bias as ring wraparound
>  	 * at offset 0 sometimes hangs. No idea why.
>  	 */
> -	if (HAS_GUC(dev_priv) && i915.enable_guc_loading)
> +	if (HAS_GUC(dev_priv) && i915_modparams.enable_guc_loading)
>  		ctx->ggtt_offset_bias = GUC_WOPCM_TOP;
>  	else
>  		ctx->ggtt_offset_bias = I915_GTT_PAGE_SIZE;
> @@ -407,7 +407,7 @@ i915_gem_context_create_gvt(struct drm_device *dev)
>  	i915_gem_context_set_closed(ctx); /* not user accessible */
>  	i915_gem_context_clear_bannable(ctx);
>  	i915_gem_context_set_force_single_submission(ctx);
> -	if (!i915.enable_guc_submission)
> +	if (!i915_modparams.enable_guc_submission)
>  		ctx->ring_size = 512 * PAGE_SIZE; /* Max ring buffer size */
>  
>  	GEM_BUG_ON(i915_gem_context_is_kernel(ctx));
> @@ -431,7 +431,7 @@ int i915_gem_contexts_init(struct drm_i915_private *dev_priv)
>  
>  	if (intel_vgpu_active(dev_priv) &&
>  	    HAS_LOGICAL_RING_CONTEXTS(dev_priv)) {
> -		if (!i915.enable_execlists) {
> +		if (!i915_modparams.enable_execlists) {
>  			DRM_INFO("Only EXECLIST mode is supported in vgpu.\n");
>  			return -EINVAL;
>  		}
> @@ -483,7 +483,7 @@ void i915_gem_contexts_lost(struct drm_i915_private *dev_priv)
>  	}
>  
>  	/* Force the GPU state to be restored on enabling */
> -	if (!i915.enable_execlists) {
> +	if (!i915_modparams.enable_execlists) {
>  		struct i915_gem_context *ctx;
>  
>  		list_for_each_entry(ctx, &dev_priv->contexts.list, link) {
> @@ -568,7 +568,7 @@ mi_set_context(struct drm_i915_gem_request *req, u32 flags)
>  	enum intel_engine_id id;
>  	const int num_rings =
>  		/* Use an extended w/a on gen7 if signalling from other rings */
> -		(i915.semaphores && INTEL_GEN(dev_priv) == 7) ?
> +		(i915_modparams.semaphores && INTEL_GEN(dev_priv) == 7) ?
>  		INTEL_INFO(dev_priv)->num_rings - 1 :
>  		0;
>  	int len;
> @@ -837,7 +837,7 @@ int i915_switch_context(struct drm_i915_gem_request *req)
>  	struct intel_engine_cs *engine = req->engine;
>  
>  	lockdep_assert_held(&req->i915->drm.struct_mutex);
> -	if (i915.enable_execlists)
> +	if (i915_modparams.enable_execlists)
>  		return 0;
>  
>  	if (!req->ctx->engine[engine->id].state) {
> diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> index e962a01..4ac8bee 100644
> --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> @@ -1584,7 +1584,7 @@ static int eb_prefault_relocations(const struct i915_execbuffer *eb)
>  	const unsigned int count = eb->buffer_count;
>  	unsigned int i;
>  
> -	if (unlikely(i915.prefault_disable))
> +	if (unlikely(i915_modparams.prefault_disable))
>  		return 0;
>  
>  	for (i = 0; i < count; i++) {
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index 731ce22..64d7852 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -180,7 +180,7 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
>  		return 0;
>  	}
>  
> -	if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists) {
> +	if (INTEL_GEN(dev_priv) >= 8 && i915_modparams.enable_execlists) {
>  		if (has_full_48bit_ppgtt)
>  			return 3;
>  
> @@ -1972,7 +1972,7 @@ int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv)
>  	/* In the case of execlists, PPGTT is enabled by the context descriptor
>  	 * and the PDPs are contained within the context itself.  We don't
>  	 * need to do anything here. */
> -	if (i915.enable_execlists)
> +	if (i915_modparams.enable_execlists)
>  		return 0;
>  
>  	if (!USES_PPGTT(dev_priv))
> @@ -3292,7 +3292,7 @@ int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv)
>  	 * currently don't have any bits spare to pass in this upper
>  	 * restriction!
>  	 */
> -	if (HAS_GUC(dev_priv) && i915.enable_guc_loading) {
> +	if (HAS_GUC(dev_priv) && i915_modparams.enable_guc_loading) {
>  		ggtt->base.total = min_t(u64, ggtt->base.total, GUC_GGTT_TOP);
>  		ggtt->mappable_end = min(ggtt->mappable_end, ggtt->base.total);
>  	}
> diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
> index 0c77967..c7aaf62 100644
> --- a/drivers/gpu/drm/i915/i915_gpu_error.c
> +++ b/drivers/gpu/drm/i915/i915_gpu_error.c
> @@ -1554,7 +1554,7 @@ static void i915_gem_capture_guc_log_buffer(struct drm_i915_private *dev_priv,
>  					    struct i915_gpu_state *error)
>  {
>  	/* Capturing log buf contents won't be useful if logging was disabled */
> -	if (!dev_priv->guc.log.vma || (i915.guc_log_level < 0))
> +	if (!dev_priv->guc.log.vma || (i915_modparams.guc_log_level < 0))
>  		return;
>  
>  	error->guc_log = i915_error_object_create(dev_priv,
> @@ -1696,7 +1696,7 @@ static int capture(void *data)
>  		ktime_to_timeval(ktime_sub(ktime_get(),
>  					   error->i915->gt.last_init_time));
>  
> -	error->params = i915;
> +	error->params = i915_modparams;
>  #define DUP(T, x) dup_param(#T, &error->params.x);
>  	I915_PARAMS_FOR_EACH(DUP);
>  #undef DUP
> @@ -1751,7 +1751,7 @@ void i915_capture_error_state(struct drm_i915_private *dev_priv,
>  	struct i915_gpu_state *error;
>  	unsigned long flags;
>  
> -	if (!i915.error_capture)
> +	if (!i915_modparams.error_capture)
>  		return;
>  
>  	if (READ_ONCE(dev_priv->gpu_error.first_error))
> diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
> index e191d56..06a26c6 100644
> --- a/drivers/gpu/drm/i915/i915_guc_submission.c
> +++ b/drivers/gpu/drm/i915/i915_guc_submission.c
> @@ -1245,7 +1245,7 @@ int intel_guc_resume(struct drm_i915_private *dev_priv)
>  	if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
>  		return 0;
>  
> -	if (i915.guc_log_level >= 0)
> +	if (i915_modparams.guc_log_level >= 0)
>  		gen9_enable_guc_interrupts(dev_priv);
>  
>  	ctx = dev_priv->kernel_context;
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 4d0e8f7..7208485 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -1349,7 +1349,7 @@ gen8_cs_irq_handler(struct intel_engine_cs *engine, u32 iir, int test_shift)
>  
>  	if (iir & (GT_RENDER_USER_INTERRUPT << test_shift)) {
>  		notify_ring(engine);
> -		tasklet |= i915.enable_guc_submission;
> +		tasklet |= i915_modparams.enable_guc_submission;
>  	}
>  
>  	if (tasklet)
> diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
> index ddda513..ec65341 100644
> --- a/drivers/gpu/drm/i915/i915_params.c
> +++ b/drivers/gpu/drm/i915/i915_params.c
> @@ -26,13 +26,13 @@
>  #include "i915_drv.h"
>  
>  #define i915_param_named(name, T, perm, desc) \
> -	module_param_named(name, i915.name, T, perm); \
> +	module_param_named(name, i915_modparams.name, T, perm); \
>  	MODULE_PARM_DESC(name, desc)
>  #define i915_param_named_unsafe(name, T, perm, desc) \
> -	module_param_named_unsafe(name, i915.name, T, perm); \
> +	module_param_named_unsafe(name, i915_modparams.name, T, perm); \
>  	MODULE_PARM_DESC(name, desc)
>  
> -struct i915_params i915 __read_mostly = {
> +struct i915_params i915_modparams __read_mostly = {
>  	.modeset = -1,
>  	.panel_ignore_lid = 1,
>  	.semaphores = -1,
> diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
> index ac84470..4e27579 100644
> --- a/drivers/gpu/drm/i915/i915_params.h
> +++ b/drivers/gpu/drm/i915/i915_params.h
> @@ -76,7 +76,12 @@ struct i915_params {
>  };
>  #undef MEMBER
>  
> -extern struct i915_params i915 __read_mostly;
> +extern struct i915_params i915_modparams __read_mostly;
> +
> +static inline struct i915_params *i915_modparams_mkwrite(void)
> +{
> +	return (struct i915_params *)&i915_modparams;
> +}
>  
>  #endif
>  
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index 853002f..8d70b5a 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -632,7 +632,7 @@ static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
>  		(struct intel_device_info *) ent->driver_data;
>  	int err;
>  
> -	if (IS_ALPHA_SUPPORT(intel_info) && !i915.alpha_support) {
> +	if (IS_ALPHA_SUPPORT(intel_info) && !i915_modparams.alpha_support) {
>  		DRM_INFO("The driver support for your hardware in this kernel version is alpha quality\n"
>  			 "See CONFIG_DRM_I915_ALPHA_SUPPORT or i915.alpha_support module parameter\n"
>  			 "to enable support in this kernel version, or check for kernel updates.\n");
> @@ -690,10 +690,10 @@ static int __init i915_init(void)
>  	 * vga_text_mode_force boot option.
>  	 */
>  
> -	if (i915.modeset == 0)
> +	if (i915_modparams.modeset == 0)
>  		use_kms = false;
>  
> -	if (vgacon_text_force() && i915.modeset == -1)
> +	if (vgacon_text_force() && i915_modparams.modeset == -1)
>  		use_kms = false;
>  
>  	if (!use_kms) {
> diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
> index 94185d6..9b268fe 100644
> --- a/drivers/gpu/drm/i915/i915_perf.c
> +++ b/drivers/gpu/drm/i915/i915_perf.c
> @@ -1213,7 +1213,7 @@ static int oa_get_render_ctx_id(struct i915_perf_stream *stream)
>  {
>  	struct drm_i915_private *dev_priv = stream->dev_priv;
>  
> -	if (i915.enable_execlists)
> +	if (i915_modparams.enable_execlists)
>  		dev_priv->perf.oa.specific_ctx_id = stream->ctx->hw_id;
>  	else {
>  		struct intel_engine_cs *engine = dev_priv->engine[RCS];
> @@ -1259,7 +1259,7 @@ static void oa_put_render_ctx_id(struct i915_perf_stream *stream)
>  {
>  	struct drm_i915_private *dev_priv = stream->dev_priv;
>  
> -	if (i915.enable_execlists) {
> +	if (i915_modparams.enable_execlists) {
>  		dev_priv->perf.oa.specific_ctx_id = INVALID_CTX_ID;
>  	} else {
>  		struct intel_engine_cs *engine = dev_priv->engine[RCS];
> @@ -3405,7 +3405,7 @@ void i915_perf_init(struct drm_i915_private *dev_priv)
>  		dev_priv->perf.oa.timestamp_frequency = 12500000;
>  
>  		dev_priv->perf.oa.oa_formats = hsw_oa_formats;
> -	} else if (i915.enable_execlists) {
> +	} else if (i915_modparams.enable_execlists) {
>  		/* Note: that although we could theoretically also support the
>  		 * legacy ringbuffer mode on BDW (and earlier iterations of
>  		 * this driver, before upstreaming did this) it didn't seem
> diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
> index 5949750..8526da9 100644
> --- a/drivers/gpu/drm/i915/intel_bios.c
> +++ b/drivers/gpu/drm/i915/intel_bios.c
> @@ -356,7 +356,7 @@ parse_sdvo_panel_data(struct drm_i915_private *dev_priv,
>  	struct drm_display_mode *panel_fixed_mode;
>  	int index;
>  
> -	index = i915.vbt_sdvo_panel_type;
> +	index = i915_modparams.vbt_sdvo_panel_type;
>  	if (index == -2) {
>  		DRM_DEBUG_KMS("Ignore SDVO panel mode from BIOS VBT tables.\n");
>  		return;
> @@ -675,8 +675,9 @@ parse_edp(struct drm_i915_private *dev_priv, const struct bdb_header *bdb)
>  		uint8_t vswing;
>  
>  		/* Don't read from VBT if module parameter has valid value*/
> -		if (i915.edp_vswing) {
> -			dev_priv->vbt.edp.low_vswing = i915.edp_vswing == 1;
> +		if (i915_modparams.edp_vswing) {
> +			dev_priv->vbt.edp.low_vswing =
> +				i915_modparams.edp_vswing == 1;
>  		} else {
>  			vswing = (edp->edp_vswing_preemph >> (panel_type * 4)) & 0xF;
>  			dev_priv->vbt.edp.low_vswing = vswing == 0;
> diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
> index a77dd80..9540702 100644
> --- a/drivers/gpu/drm/i915/intel_crt.c
> +++ b/drivers/gpu/drm/i915/intel_crt.c
> @@ -712,7 +712,7 @@ intel_crt_detect(struct drm_connector *connector,
>  	 * broken monitor (without edid) to work behind a broken kvm (that fails
>  	 * to have the right resistors for HP detection) needs to fix this up.
>  	 * For now just bail out. */
> -	if (I915_HAS_HOTPLUG(dev_priv) && !i915.load_detect_test) {
> +	if (I915_HAS_HOTPLUG(dev_priv) && !i915_modparams.load_detect_test) {
>  		status = connector_status_disconnected;
>  		goto out;
>  	}
> @@ -730,7 +730,7 @@ intel_crt_detect(struct drm_connector *connector,
>  		else if (INTEL_GEN(dev_priv) < 4)
>  			status = intel_crt_load_detect(crt,
>  				to_intel_crtc(connector->state->crtc)->pipe);
> -		else if (i915.load_detect_test)
> +		else if (i915_modparams.load_detect_test)
>  			status = connector_status_disconnected;
>  		else
>  			status = connector_status_unknown;
> diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
> index 43831b0..fdf9b54 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.c
> +++ b/drivers/gpu/drm/i915/intel_device_info.c
> @@ -343,7 +343,7 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
>  			info->num_sprites[pipe] = 1;
>  	}
>  
> -	if (i915.disable_display) {
> +	if (i915_modparams.disable_display) {
>  		DRM_INFO("Display disabled (module parameter)\n");
>  		info->num_pipes = 0;
>  	} else if (info->num_pipes > 0 &&
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 8599e42..71cdd60 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3701,7 +3701,7 @@ void intel_prepare_reset(struct drm_i915_private *dev_priv)
>  
>  
>  	/* reset doesn't touch the display */
> -	if (!i915.force_reset_modeset_test &&
> +	if (!i915_modparams.force_reset_modeset_test &&
>  	    !gpu_reset_clobbers_display(dev_priv))
>  		return;
>  
> @@ -3757,7 +3757,7 @@ void intel_finish_reset(struct drm_i915_private *dev_priv)
>  	int ret;
>  
>  	/* reset doesn't touch the display */
> -	if (!i915.force_reset_modeset_test &&
> +	if (!i915_modparams.force_reset_modeset_test &&
>  	    !gpu_reset_clobbers_display(dev_priv))
>  		return;
>  
> @@ -6313,7 +6313,7 @@ static void hsw_compute_ips_config(struct intel_crtc *crtc,
>  	struct drm_device *dev = crtc->base.dev;
>  	struct drm_i915_private *dev_priv = to_i915(dev);
>  
> -	pipe_config->ips_enabled = i915.enable_ips &&
> +	pipe_config->ips_enabled = i915_modparams.enable_ips &&
>  		hsw_crtc_supports_ips(crtc) &&
>  		pipe_config_supports_ips(dev_priv, pipe_config);
>  }
> @@ -6494,8 +6494,8 @@ intel_link_compute_m_n(int bits_per_pixel, int nlanes,
>  
>  static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
>  {
> -	if (i915.panel_use_ssc >= 0)
> -		return i915.panel_use_ssc != 0;
> +	if (i915_modparams.panel_use_ssc >= 0)
> +		return i915_modparams.panel_use_ssc != 0;
>  	return dev_priv->vbt.lvds_use_ssc
>  		&& !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE);
>  }
> @@ -12084,7 +12084,7 @@ static int intel_atomic_check(struct drm_device *dev,
>  			return ret;
>  		}
>  
> -		if (i915.fastboot &&
> +		if (i915_modparams.fastboot &&
>  		    intel_pipe_config_compare(dev_priv,
>  					to_intel_crtc_state(old_crtc_state),
>  					pipe_config, true)) {
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 887953c..a4633eb 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -3826,7 +3826,7 @@ intel_dp_can_mst(struct intel_dp *intel_dp)
>  {
>  	u8 mstm_cap;
>  
> -	if (!i915.enable_dp_mst)
> +	if (!i915_modparams.enable_dp_mst)
>  		return false;
>  
>  	if (!intel_dp->can_mst)
> @@ -3844,7 +3844,7 @@ intel_dp_can_mst(struct intel_dp *intel_dp)
>  static void
>  intel_dp_configure_mst(struct intel_dp *intel_dp)
>  {
> -	if (!i915.enable_dp_mst)
> +	if (!i915_modparams.enable_dp_mst)
>  		return;
>  
>  	if (!intel_dp->can_mst)
> diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
> index d2830ba..2bb2ceb 100644
> --- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
> +++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
> @@ -264,7 +264,7 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector)
>  {
>  	struct intel_panel *panel = &intel_connector->panel;
>  
> -	if (!i915.enable_dpcd_backlight)
> +	if (!i915_modparams.enable_dpcd_backlight)
>  		return -ENODEV;
>  
>  	if (!intel_dp_aux_display_control_capable(intel_connector))
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 3078076..64358d2 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1902,7 +1902,7 @@ void intel_init_ipc(struct drm_i915_private *dev_priv);
>  void intel_enable_ipc(struct drm_i915_private *dev_priv);
>  static inline int intel_enable_rc6(void)
>  {
> -	return i915.enable_rc6;
> +	return i915_modparams.enable_rc6;
>  }
>  
>  /* intel_sdvo.c */
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
> index 3d135c3..d755a2a 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -153,7 +153,7 @@ __intel_engine_context_size(struct drm_i915_private *dev_priv, u8 class)
>  		case 9:
>  			return GEN9_LR_CONTEXT_RENDER_SIZE;
>  		case 8:
> -			return i915.enable_execlists ?
> +			return i915_modparams.enable_execlists ?
>  			       GEN8_LR_CONTEXT_RENDER_SIZE :
>  			       GEN8_CXT_TOTAL_SIZE;
>  		case 7:
> @@ -301,7 +301,7 @@ int intel_engines_init(struct drm_i915_private *dev_priv)
>  			&intel_engine_classes[engine->class];
>  		int (*init)(struct intel_engine_cs *engine);
>  
> -		if (i915.enable_execlists)
> +		if (i915_modparams.enable_execlists)
>  			init = class_info->init_execlists;
>  		else
>  			init = class_info->init_legacy;
> diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
> index 58a772d..a690892 100644
> --- a/drivers/gpu/drm/i915/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/intel_fbc.c
> @@ -859,7 +859,7 @@ static bool intel_fbc_can_enable(struct drm_i915_private *dev_priv)
>  		return false;
>  	}
>  
> -	if (!i915.enable_fbc) {
> +	if (!i915_modparams.enable_fbc) {
>  		fbc->no_fbc_reason = "disabled per module param or by default";
>  		return false;
>  	}
> @@ -1310,8 +1310,8 @@ void intel_fbc_init_pipe_state(struct drm_i915_private *dev_priv)
>   */
>  static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv)
>  {
> -	if (i915.enable_fbc >= 0)
> -		return !!i915.enable_fbc;
> +	if (i915_modparams.enable_fbc >= 0)
> +		return !!i915_modparams.enable_fbc;
>  
>  	if (!HAS_FBC(dev_priv))
>  		return 0;
> @@ -1355,8 +1355,10 @@ void intel_fbc_init(struct drm_i915_private *dev_priv)
>  	if (need_fbc_vtd_wa(dev_priv))
>  		mkwrite_device_info(dev_priv)->has_fbc = false;
>  
> -	i915.enable_fbc = intel_sanitize_fbc_option(dev_priv);
> -	DRM_DEBUG_KMS("Sanitized enable_fbc value: %d\n", i915.enable_fbc);
> +	i915_modparams_mkwrite()->enable_fbc =
> +		intel_sanitize_fbc_option(dev_priv);
> +	DRM_DEBUG_KMS("Sanitized enable_fbc value: %d\n",
> +		      i915_modparams.enable_fbc);
>  
>  	if (!HAS_FBC(dev_priv)) {
>  		fbc->no_fbc_reason = "unsupported by this chipset";
> diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
> index 8b0ae7f..c9e25be 100644
> --- a/drivers/gpu/drm/i915/intel_guc_loader.c
> +++ b/drivers/gpu/drm/i915/intel_guc_loader.c
> @@ -131,14 +131,14 @@ static void guc_params_init(struct drm_i915_private *dev_priv)
>  
>  	params[GUC_CTL_LOG_PARAMS] = guc->log.flags;
>  
> -	if (i915.guc_log_level >= 0) {
> +	if (i915_modparams.guc_log_level >= 0) {
>  		params[GUC_CTL_DEBUG] =
> -			i915.guc_log_level << GUC_LOG_VERBOSITY_SHIFT;
> +			i915_modparams.guc_log_level << GUC_LOG_VERBOSITY_SHIFT;
>  	} else
>  		params[GUC_CTL_DEBUG] = GUC_LOG_DISABLED;
>  
>  	/* If GuC submission is enabled, set up additional parameters here */
> -	if (i915.enable_guc_submission) {
> +	if (i915_modparams.enable_guc_submission) {
>  		u32 ads = guc_ggtt_offset(guc->ads_vma) >> PAGE_SHIFT;
>  		u32 pgs = guc_ggtt_offset(dev_priv->guc.stage_desc_pool);
>  		u32 ctx_in_16 = GUC_MAX_STAGE_DESCRIPTORS / 16;
> @@ -368,7 +368,8 @@ int intel_guc_init_hw(struct intel_guc *guc)
>  	guc->fw.load_status = INTEL_UC_FIRMWARE_SUCCESS;
>  
>  	DRM_INFO("GuC %s (firmware %s [version %u.%u])\n",
> -		 i915.enable_guc_submission ? "submission enabled" : "loaded",
> +		 i915_modparams.enable_guc_submission ? "submission enabled" :
> +							"loaded",
>  		 guc->fw.path,
>  		 guc->fw.major_ver_found, guc->fw.minor_ver_found);
>  
> @@ -390,8 +391,8 @@ int intel_guc_select_fw(struct intel_guc *guc)
>  	guc->fw.load_status = INTEL_UC_FIRMWARE_NONE;
>  	guc->fw.type = INTEL_UC_FW_TYPE_GUC;
>  
> -	if (i915.guc_firmware_path) {
> -		guc->fw.path = i915.guc_firmware_path;
> +	if (i915_modparams.guc_firmware_path) {
> +		guc->fw.path = i915_modparams.guc_firmware_path;
>  		guc->fw.major_ver_wanted = 0;
>  		guc->fw.minor_ver_wanted = 0;
>  	} else if (IS_SKYLAKE(dev_priv)) {
> diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c
> index 16d3b87..8f93774 100644
> --- a/drivers/gpu/drm/i915/intel_guc_log.c
> +++ b/drivers/gpu/drm/i915/intel_guc_log.c
> @@ -144,7 +144,7 @@ static int guc_log_relay_file_create(struct intel_guc *guc)
>  	struct dentry *log_dir;
>  	int ret;
>  
> -	if (i915.guc_log_level < 0)
> +	if (i915_modparams.guc_log_level < 0)
>  		return 0;
>  
>  	/* For now create the log file in /sys/kernel/debug/dri/0 dir */
> @@ -480,7 +480,7 @@ static int guc_log_late_setup(struct intel_guc *guc)
>  	guc_log_runtime_destroy(guc);
>  err:
>  	/* logging will remain off */
> -	i915.guc_log_level = -1;
> +	i915_modparams_mkwrite()->guc_log_level = -1;
>  	return ret;
>  }
>  
> @@ -502,7 +502,8 @@ static void guc_flush_logs(struct intel_guc *guc)
>  {
>  	struct drm_i915_private *dev_priv = guc_to_i915(guc);
>  
> -	if (!i915.enable_guc_submission || (i915.guc_log_level < 0))
> +	if (!i915_modparams.enable_guc_submission ||
> +	    (i915_modparams.guc_log_level < 0))
>  		return;
>  
>  	/* First disable the interrupts, will be renabled afterwards */
> @@ -529,8 +530,8 @@ int intel_guc_log_create(struct intel_guc *guc)
>  
>  	GEM_BUG_ON(guc->log.vma);
>  
> -	if (i915.guc_log_level > GUC_LOG_VERBOSITY_MAX)
> -		i915.guc_log_level = GUC_LOG_VERBOSITY_MAX;
> +	if (i915_modparams.guc_log_level > GUC_LOG_VERBOSITY_MAX)
> +		i915_modparams_mkwrite()->guc_log_level = GUC_LOG_VERBOSITY_MAX;
>  
>  	/* The first page is to save log buffer state. Allocate one
>  	 * extra page for others in case for overlap */
> @@ -555,7 +556,7 @@ int intel_guc_log_create(struct intel_guc *guc)
>  
>  	guc->log.vma = vma;
>  
> -	if (i915.guc_log_level >= 0) {
> +	if (i915_modparams.guc_log_level >= 0) {
>  		ret = guc_log_runtime_create(guc);
>  		if (ret < 0)
>  			goto err_vma;
> @@ -576,7 +577,7 @@ int intel_guc_log_create(struct intel_guc *guc)
>  	i915_vma_unpin_and_release(&guc->log.vma);
>  err:
>  	/* logging will be off */
> -	i915.guc_log_level = -1;
> +	i915_modparams_mkwrite()->guc_log_level = -1;
>  	return ret;
>  }
>  
> @@ -600,7 +601,7 @@ int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val)
>  		return -EINVAL;
>  
>  	/* This combination doesn't make sense & won't have any effect */
> -	if (!log_param.logging_enabled && (i915.guc_log_level < 0))
> +	if (!log_param.logging_enabled && (i915_modparams.guc_log_level < 0))
>  		return 0;
>  
>  	ret = guc_log_control(guc, log_param.value);
> @@ -610,7 +611,7 @@ int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val)
>  	}
>  
>  	if (log_param.logging_enabled) {
> -		i915.guc_log_level = log_param.verbosity;
> +		i915_modparams_mkwrite()->guc_log_level = log_param.verbosity;
>  
>  		/* If log_level was set as -1 at boot time, then the relay channel file
>  		 * wouldn't have been created by now and interrupts also would not have
> @@ -633,7 +634,7 @@ int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val)
>  		guc_flush_logs(guc);
>  
>  		/* As logging is disabled, update log level to reflect that */
> -		i915.guc_log_level = -1;
> +		i915_modparams_mkwrite()->guc_log_level = -1;
>  	}
>  
>  	return ret;
> @@ -641,7 +642,8 @@ int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val)
>  
>  void i915_guc_log_register(struct drm_i915_private *dev_priv)
>  {
> -	if (!i915.enable_guc_submission || i915.guc_log_level < 0)
> +	if (!i915_modparams.enable_guc_submission ||
> +	    (i915_modparams.guc_log_level < 0))
>  		return;
>  
>  	mutex_lock(&dev_priv->drm.struct_mutex);
> @@ -651,7 +653,7 @@ void i915_guc_log_register(struct drm_i915_private *dev_priv)
>  
>  void i915_guc_log_unregister(struct drm_i915_private *dev_priv)
>  {
> -	if (!i915.enable_guc_submission)
> +	if (!i915_modparams.enable_guc_submission)
>  		return;
>  
>  	mutex_lock(&dev_priv->drm.struct_mutex);
> diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c
> index c17ed0e..9505074 100644
> --- a/drivers/gpu/drm/i915/intel_gvt.c
> +++ b/drivers/gpu/drm/i915/intel_gvt.c
> @@ -58,7 +58,7 @@ static bool is_supported_device(struct drm_i915_private *dev_priv)
>   */
>  void intel_gvt_sanitize_options(struct drm_i915_private *dev_priv)
>  {
> -	if (!i915.enable_gvt)
> +	if (!i915_modparams.enable_gvt)
>  		return;
>  
>  	if (intel_vgpu_active(dev_priv)) {
> @@ -73,7 +73,7 @@ void intel_gvt_sanitize_options(struct drm_i915_private *dev_priv)
>  
>  	return;
>  bail:
> -	i915.enable_gvt = 0;
> +	i915_modparams_mkwrite()->enable_gvt = 0;
>  }
>  
>  /**
> @@ -90,17 +90,17 @@ int intel_gvt_init(struct drm_i915_private *dev_priv)
>  {
>  	int ret;
>  
> -	if (!i915.enable_gvt) {
> +	if (!i915_modparams.enable_gvt) {
>  		DRM_DEBUG_DRIVER("GVT-g is disabled by kernel params\n");
>  		return 0;
>  	}
>  
> -	if (!i915.enable_execlists) {
> +	if (!i915_modparams.enable_execlists) {
>  		DRM_ERROR("i915 GVT-g loading failed due to disabled execlists mode\n");
>  		return -EIO;
>  	}
>  
> -	if (i915.enable_guc_submission) {
> +	if (i915_modparams.enable_guc_submission) {
>  		DRM_ERROR("i915 GVT-g loading failed due to Graphics virtualization is not yet supported with GuC submission\n");
>  		return -EIO;
>  	}
> @@ -123,7 +123,7 @@ int intel_gvt_init(struct drm_i915_private *dev_priv)
>  	return 0;
>  
>  bail:
> -	i915.enable_gvt = 0;
> +	i915_modparams_mkwrite()->enable_gvt = 0;
>  	return 0;
>  }
>  
> diff --git a/drivers/gpu/drm/i915/intel_hangcheck.c b/drivers/gpu/drm/i915/intel_hangcheck.c
> index d9d87d9..12ac270 100644
> --- a/drivers/gpu/drm/i915/intel_hangcheck.c
> +++ b/drivers/gpu/drm/i915/intel_hangcheck.c
> @@ -428,7 +428,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
>  	unsigned int hung = 0, stuck = 0;
>  	int busy_count = 0;
>  
> -	if (!i915.enable_hangcheck)
> +	if (!i915_modparams.enable_hangcheck)
>  		return;
>  
>  	if (!READ_ONCE(dev_priv->gt.awake))
> diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c
> index 6145fa0..6e1779b 100644
> --- a/drivers/gpu/drm/i915/intel_huc.c
> +++ b/drivers/gpu/drm/i915/intel_huc.c
> @@ -155,8 +155,8 @@ void intel_huc_select_fw(struct intel_huc *huc)
>  	huc->fw.load_status = INTEL_UC_FIRMWARE_NONE;
>  	huc->fw.type = INTEL_UC_FW_TYPE_HUC;
>  
> -	if (i915.huc_firmware_path) {
> -		huc->fw.path = i915.huc_firmware_path;
> +	if (i915_modparams.huc_firmware_path) {
> +		huc->fw.path = i915_modparams.huc_firmware_path;
>  		huc->fw.major_ver_wanted = 0;
>  		huc->fw.minor_ver_wanted = 0;
>  	} else if (IS_SKYLAKE(dev_priv)) {
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index 86fed9f..955c879 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -244,7 +244,7 @@ int intel_sanitize_enable_execlists(struct drm_i915_private *dev_priv, int enabl
>  
>  	if (HAS_LOGICAL_RING_CONTEXTS(dev_priv) &&
>  	    USES_PPGTT(dev_priv) &&
> -	    i915.use_mmio_flip >= 0)
> +	    i915_modparams.use_mmio_flip >= 0)
>  		return 1;
>  
>  	return 0;
> @@ -1324,7 +1324,7 @@ static int gen8_init_common_ring(struct intel_engine_cs *engine)
>  	engine->csb_head = -1;
>  
>  	/* After a GPU reset, we may have requests to replay */
> -	if (!i915.enable_guc_submission && engine->execlist_first)
> +	if (!i915_modparams.enable_guc_submission && engine->execlist_first)
>  		tasklet_schedule(&engine->irq_tasklet);
>  
>  	return 0;
> diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
> index a9813ae..a55954a 100644
> --- a/drivers/gpu/drm/i915/intel_lvds.c
> +++ b/drivers/gpu/drm/i915/intel_lvds.c
> @@ -880,8 +880,8 @@ static bool compute_is_dual_link_lvds(struct intel_lvds_encoder *lvds_encoder)
>  	struct drm_i915_private *dev_priv = to_i915(dev);
>  
>  	/* use the module option value if specified */
> -	if (i915.lvds_channel_mode > 0)
> -		return i915.lvds_channel_mode == 2;
> +	if (i915_modparams.lvds_channel_mode > 0)
> +		return i915_modparams.lvds_channel_mode == 2;
>  
>  	/* single channel LVDS is limited to 112 MHz */
>  	if (lvds_encoder->attached_connector->base.panel.fixed_mode->clock
> diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
> index 98154ef..1d94624 100644
> --- a/drivers/gpu/drm/i915/intel_opregion.c
> +++ b/drivers/gpu/drm/i915/intel_opregion.c
> @@ -921,7 +921,7 @@ static int intel_load_vbt_firmware(struct drm_i915_private *dev_priv)
>  {
>  	struct intel_opregion *opregion = &dev_priv->opregion;
>  	const struct firmware *fw = NULL;
> -	const char *name = i915.vbt_firmware;
> +	const char *name = i915_modparams.vbt_firmware;
>  	int ret;
>  
>  	if (!name || !*name)
> diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
> index 3b1c5d7..adc51e4 100644
> --- a/drivers/gpu/drm/i915/intel_panel.c
> +++ b/drivers/gpu/drm/i915/intel_panel.c
> @@ -379,13 +379,13 @@ enum drm_connector_status
>  intel_panel_detect(struct drm_i915_private *dev_priv)
>  {
>  	/* Assume that the BIOS does not lie through the OpRegion... */
> -	if (!i915.panel_ignore_lid && dev_priv->opregion.lid_state) {
> +	if (!i915_modparams.panel_ignore_lid && dev_priv->opregion.lid_state) {
>  		return *dev_priv->opregion.lid_state & 0x1 ?
>  			connector_status_connected :
>  			connector_status_disconnected;
>  	}
>  
> -	switch (i915.panel_ignore_lid) {
> +	switch (i915_modparams.panel_ignore_lid) {
>  	case -2:
>  		return connector_status_connected;
>  	case -1:
> @@ -465,10 +465,10 @@ static u32 intel_panel_compute_brightness(struct intel_connector *connector,
>  
>  	WARN_ON(panel->backlight.max == 0);
>  
> -	if (i915.invert_brightness < 0)
> +	if (i915_modparams.invert_brightness < 0)
>  		return val;
>  
> -	if (i915.invert_brightness > 0 ||
> +	if (i915_modparams.invert_brightness > 0 ||
>  	    dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS) {
>  		return panel->backlight.max - val + panel->backlight.min;
>  	}
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 94624ed..9a7f7aca 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -7825,7 +7825,7 @@ void intel_init_gt_powersave(struct drm_i915_private *dev_priv)
>  	 * RPM depends on RC6 to save restore the GT HW context, so make RC6 a
>  	 * requirement.
>  	 */
> -	if (!i915.enable_rc6) {
> +	if (!i915_modparams.enable_rc6) {
>  		DRM_INFO("RC6 disabled, disabling runtime PM support\n");
>  		intel_runtime_pm_get(dev_priv);
>  	}
> @@ -7882,7 +7882,7 @@ void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv)
>  	if (IS_VALLEYVIEW(dev_priv))
>  		valleyview_cleanup_gt_powersave(dev_priv);
>  
> -	if (!i915.enable_rc6)
> +	if (!i915_modparams.enable_rc6)
>  		intel_runtime_pm_put(dev_priv);
>  }
>  
> @@ -8004,7 +8004,7 @@ static void __intel_autoenable_gt_powersave(struct work_struct *work)
>  	if (IS_ERR(req))
>  		goto unlock;
>  
> -	if (!i915.enable_execlists && i915_switch_context(req) == 0)
> +	if (!i915_modparams.enable_execlists && i915_switch_context(req) == 0)
>  		rcs->init_context(req);
>  
>  	/* Mark the device busy, calling intel_enable_gt_powersave() */
> diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
> index 55b4002..a230c4f 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -396,7 +396,7 @@ static bool intel_psr_match_conditions(struct intel_dp *intel_dp)
>  		return false;
>  	}
>  
> -	if (!i915.enable_psr) {
> +	if (!i915_modparams.enable_psr) {
>  		DRM_DEBUG_KMS("PSR disable by flag\n");
>  		return false;
>  	}
> @@ -942,8 +942,8 @@ void intel_psr_init(struct drm_i915_private *dev_priv)
>  		HSW_EDP_PSR_BASE : BDW_EDP_PSR_BASE;
>  
>  	/* Per platform default: all disabled. */
> -	if (i915.enable_psr == -1)
> -		i915.enable_psr = 0;
> +	if (i915_modparams.enable_psr == -1)
> +		i915_modparams_mkwrite()->enable_psr = 0;
>  
>  	/* Set link_standby x link_off defaults */
>  	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
> @@ -957,11 +957,11 @@ void intel_psr_init(struct drm_i915_private *dev_priv)
>  		dev_priv->psr.link_standby = dev_priv->vbt.psr.full_link;
>  
>  	/* Override link_standby x link_off defaults */
> -	if (i915.enable_psr == 2 && !dev_priv->psr.link_standby) {
> +	if (i915_modparams.enable_psr == 2 && !dev_priv->psr.link_standby) {
>  		DRM_DEBUG_KMS("PSR: Forcing link standby\n");
>  		dev_priv->psr.link_standby = true;
>  	}
> -	if (i915.enable_psr == 3 && dev_priv->psr.link_standby) {
> +	if (i915_modparams.enable_psr == 3 && dev_priv->psr.link_standby) {
>  		DRM_DEBUG_KMS("PSR: Forcing main link off\n");
>  		dev_priv->psr.link_standby = false;
>  	}
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index 85e64a4..5ddc84e0 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -1882,7 +1882,7 @@ static void intel_ring_init_semaphores(struct drm_i915_private *dev_priv,
>  	struct drm_i915_gem_object *obj;
>  	int ret, i;
>  
> -	if (!i915.semaphores)
> +	if (!i915_modparams.semaphores)
>  		return;
>  
>  	if (INTEL_GEN(dev_priv) >= 8 && !dev_priv->semaphore) {
> @@ -1982,7 +1982,7 @@ static void intel_ring_init_semaphores(struct drm_i915_private *dev_priv,
>  	i915_gem_object_put(obj);
>  err:
>  	DRM_DEBUG_DRIVER("Failed to allocate space for semaphores, disabling\n");
> -	i915.semaphores = 0;
> +	i915_modparams_mkwrite()->semaphores = 0;
>  }
>  
>  static void intel_ring_init_irq(struct drm_i915_private *dev_priv,
> @@ -2039,7 +2039,7 @@ static void intel_ring_default_vfuncs(struct drm_i915_private *dev_priv,
>  
>  	engine->emit_breadcrumb = i9xx_emit_breadcrumb;
>  	engine->emit_breadcrumb_sz = i9xx_emit_breadcrumb_sz;
> -	if (i915.semaphores) {
> +	if (i915_modparams.semaphores) {
>  		int num_rings;
>  
>  		engine->emit_breadcrumb = gen6_sema_emit_breadcrumb;
> @@ -2083,7 +2083,7 @@ int intel_init_render_ring_buffer(struct intel_engine_cs *engine)
>  		engine->emit_breadcrumb = gen8_render_emit_breadcrumb;
>  		engine->emit_breadcrumb_sz = gen8_render_emit_breadcrumb_sz;
>  		engine->emit_flush = gen8_render_ring_flush;
> -		if (i915.semaphores) {
> +		if (i915_modparams.semaphores) {
>  			int num_rings;
>  
>  			engine->semaphore.signal = gen8_rcs_signal;
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index a3bfb9f..61d41ae 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -2413,7 +2413,7 @@ static uint32_t get_allowed_dc_mask(const struct drm_i915_private *dev_priv,
>  		mask = 0;
>  	}
>  
> -	if (!i915.disable_power_well)
> +	if (!i915_modparams.disable_power_well)
>  		max_dc = 0;
>  
>  	if (enable_dc >= 0 && enable_dc <= max_dc) {
> @@ -2471,10 +2471,11 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
>  {
>  	struct i915_power_domains *power_domains = &dev_priv->power_domains;
>  
> -	i915.disable_power_well = sanitize_disable_power_well_option(dev_priv,
> -						     i915.disable_power_well);
> -	dev_priv->csr.allowed_dc_mask = get_allowed_dc_mask(dev_priv,
> -							    i915.enable_dc);
> +	i915_modparams_mkwrite()->disable_power_well =
> +		sanitize_disable_power_well_option(dev_priv,
> +						   i915_modparams.disable_power_well);
> +	dev_priv->csr.allowed_dc_mask =
> +		get_allowed_dc_mask(dev_priv, i915_modparams.enable_dc);
>  
>  	BUILD_BUG_ON(POWER_DOMAIN_NUM > 64);
>  
> @@ -2535,7 +2536,7 @@ void intel_power_domains_fini(struct drm_i915_private *dev_priv)
>  	intel_display_set_init_power(dev_priv, true);
>  
>  	/* Remove the refcount we took to keep power well support disabled. */
> -	if (!i915.disable_power_well)
> +	if (!i915_modparams.disable_power_well)
>  		intel_display_power_put(dev_priv, POWER_DOMAIN_INIT);
>  
>  	/*
> @@ -2995,7 +2996,7 @@ void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume)
>  	/* For now, we need the power well to be always enabled. */
>  	intel_display_set_init_power(dev_priv, true);
>  	/* Disable power support if the user asked so. */
> -	if (!i915.disable_power_well)
> +	if (!i915_modparams.disable_power_well)
>  		intel_display_power_get(dev_priv, POWER_DOMAIN_INIT);
>  	intel_power_domains_sync_hw(dev_priv);
>  	power_domains->initializing = false;
> @@ -3014,7 +3015,7 @@ void intel_power_domains_suspend(struct drm_i915_private *dev_priv)
>  	 * Even if power well support was disabled we still want to disable
>  	 * power wells while we are system suspended.
>  	 */
> -	if (!i915.disable_power_well)
> +	if (!i915_modparams.disable_power_well)
>  		intel_display_power_put(dev_priv, POWER_DOMAIN_INIT);
>  
>  	if (IS_CANNONLAKE(dev_priv))
> diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
> index 0178ba4..db9ffef 100644
> --- a/drivers/gpu/drm/i915/intel_uc.c
> +++ b/drivers/gpu/drm/i915/intel_uc.c
> @@ -63,35 +63,37 @@ static int __intel_uc_reset_hw(struct drm_i915_private *dev_priv)
>  void intel_uc_sanitize_options(struct drm_i915_private *dev_priv)
>  {
>  	if (!HAS_GUC(dev_priv)) {
> -		if (i915.enable_guc_loading > 0 ||
> -		    i915.enable_guc_submission > 0)
> +		if (i915_modparams.enable_guc_loading > 0 ||
> +		    i915_modparams.enable_guc_submission > 0)
>  			DRM_INFO("Ignoring GuC options, no hardware\n");
>  
> -		i915.enable_guc_loading = 0;
> -		i915.enable_guc_submission = 0;
> +		i915_modparams_mkwrite()->enable_guc_loading = 0;
> +		i915_modparams_mkwrite()->enable_guc_submission = 0;
>  		return;
>  	}
>  
>  	/* A negative value means "use platform default" */
> -	if (i915.enable_guc_loading < 0)
> -		i915.enable_guc_loading = HAS_GUC_UCODE(dev_priv);
> +	if (i915_modparams.enable_guc_loading < 0)
> +		i915_modparams_mkwrite()->enable_guc_loading =
> +			HAS_GUC_UCODE(dev_priv);
>  
>  	/* Verify firmware version */
> -	if (i915.enable_guc_loading) {
> +	if (i915_modparams.enable_guc_loading) {
>  		if (HAS_HUC_UCODE(dev_priv))
>  			intel_huc_select_fw(&dev_priv->huc);
>  
>  		if (intel_guc_select_fw(&dev_priv->guc))
> -			i915.enable_guc_loading = 0;
> +			i915_modparams_mkwrite()->enable_guc_loading = 0;
>  	}
>  
>  	/* Can't enable guc submission without guc loaded */
> -	if (!i915.enable_guc_loading)
> -		i915.enable_guc_submission = 0;
> +	if (!i915_modparams.enable_guc_loading)
> +		i915_modparams_mkwrite()->enable_guc_submission = 0;
>  
>  	/* A negative value means "use platform default" */
> -	if (i915.enable_guc_submission < 0)
> -		i915.enable_guc_submission = HAS_GUC_SCHED(dev_priv);
> +	if (i915_modparams.enable_guc_submission < 0)
> +		i915_modparams_mkwrite()->enable_guc_submission =
> +			HAS_GUC_SCHED(dev_priv);
>  }
>  
>  static void gen8_guc_raise_irq(struct intel_guc *guc)
> @@ -290,7 +292,7 @@ static void guc_init_send_regs(struct intel_guc *guc)
>  
>  static void guc_capture_load_err_log(struct intel_guc *guc)
>  {
> -	if (!guc->log.vma || i915.guc_log_level < 0)
> +	if (!guc->log.vma || i915_modparams.guc_log_level < 0)
>  		return;
>  
>  	if (!guc->load_err_log)
> @@ -333,7 +335,7 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv)
>  	struct intel_guc *guc = &dev_priv->guc;
>  	int ret, attempts;
>  
> -	if (!i915.enable_guc_loading)
> +	if (!i915_modparams.enable_guc_loading)
>  		return 0;
>  
>  	guc_disable_communication(guc);
> @@ -342,7 +344,7 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv)
>  	/* We need to notify the guc whenever we change the GGTT */
>  	i915_ggtt_enable_guc(dev_priv);
>  
> -	if (i915.enable_guc_submission) {
> +	if (i915_modparams.enable_guc_submission) {
>  		/*
>  		 * This is stuff we need to have available at fw load time
>  		 * if we are planning to enable submission later
> @@ -391,8 +393,8 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv)
>  		goto err_log_capture;
>  
>  	intel_guc_auth_huc(dev_priv);
> -	if (i915.enable_guc_submission) {
> -		if (i915.guc_log_level >= 0)
> +	if (i915_modparams.enable_guc_submission) {
> +		if (i915_modparams.guc_log_level >= 0)
>  			gen9_enable_guc_interrupts(dev_priv);
>  
>  		ret = i915_guc_submission_enable(dev_priv);
> @@ -417,23 +419,24 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv)
>  err_log_capture:
>  	guc_capture_load_err_log(guc);
>  err_submission:
> -	if (i915.enable_guc_submission)
> +	if (i915_modparams.enable_guc_submission)
>  		i915_guc_submission_fini(dev_priv);
>  err_guc:
>  	i915_ggtt_disable_guc(dev_priv);
>  
>  	DRM_ERROR("GuC init failed\n");
> -	if (i915.enable_guc_loading > 1 || i915.enable_guc_submission > 1)
> +	if (i915_modparams.enable_guc_loading > 1 ||
> +	    i915_modparams.enable_guc_submission > 1)
>  		ret = -EIO;
>  	else
>  		ret = 0;
>  
> -	if (i915.enable_guc_submission) {
> -		i915.enable_guc_submission = 0;
> +	if (i915_modparams.enable_guc_submission) {
> +		i915_modparams_mkwrite()->enable_guc_submission = 0;
>  		DRM_NOTE("Falling back from GuC submission to execlist mode\n");
>  	}
>  
> -	i915.enable_guc_loading = 0;
> +	i915_modparams_mkwrite()->enable_guc_loading = 0;
>  	DRM_NOTE("GuC firmware loading disabled\n");
>  
>  	return ret;
> @@ -443,15 +446,15 @@ void intel_uc_fini_hw(struct drm_i915_private *dev_priv)
>  {
>  	guc_free_load_err_log(&dev_priv->guc);
>  
> -	if (!i915.enable_guc_loading)
> +	if (!i915_modparams.enable_guc_loading)
>  		return;
>  
> -	if (i915.enable_guc_submission)
> +	if (i915_modparams.enable_guc_submission)
>  		i915_guc_submission_disable(dev_priv);
>  
>  	guc_disable_communication(&dev_priv->guc);
>  
> -	if (i915.enable_guc_submission) {
> +	if (i915_modparams.enable_guc_submission) {
>  		gen9_disable_guc_interrupts(dev_priv);
>  		i915_guc_submission_fini(dev_priv);
>  	}
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index 97525de..e2c1a1c 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -436,7 +436,8 @@ void intel_uncore_resume_early(struct drm_i915_private *dev_priv)
>  
>  void intel_uncore_sanitize(struct drm_i915_private *dev_priv)
>  {
> -	i915.enable_rc6 = sanitize_rc6_option(dev_priv, i915.enable_rc6);
> +	i915_modparams_mkwrite()->enable_rc6 =
> +		sanitize_rc6_option(dev_priv, i915_modparams.enable_rc6);
>  
>  	/* BIOS often leaves RC6 enabled, but disable it for hw init */
>  	intel_sanitize_gt_powersave(dev_priv);
> @@ -507,10 +508,10 @@ void intel_uncore_forcewake_user_get(struct drm_i915_private *dev_priv)
>  		dev_priv->uncore.user_forcewake.saved_mmio_check =
>  			dev_priv->uncore.unclaimed_mmio_check;
>  		dev_priv->uncore.user_forcewake.saved_mmio_debug =
> -			i915.mmio_debug;
> +			i915_modparams.mmio_debug;
>  
>  		dev_priv->uncore.unclaimed_mmio_check = 0;
> -		i915.mmio_debug = 0;
> +		i915_modparams_mkwrite()->mmio_debug = 0;
>  	}
>  	spin_unlock_irq(&dev_priv->uncore.lock);
>  }
> @@ -532,7 +533,7 @@ void intel_uncore_forcewake_user_put(struct drm_i915_private *dev_priv)
>  
>  		dev_priv->uncore.unclaimed_mmio_check =
>  			dev_priv->uncore.user_forcewake.saved_mmio_check;
> -		i915.mmio_debug =
> +		i915_modparams_mkwrite()->mmio_debug =
>  			dev_priv->uncore.user_forcewake.saved_mmio_debug;
>  
>  		intel_uncore_forcewake_put__locked(dev_priv, FORCEWAKE_ALL);
> @@ -841,7 +842,8 @@ __unclaimed_reg_debug(struct drm_i915_private *dev_priv,
>  		 "Unclaimed %s register 0x%x\n",
>  		 read ? "read from" : "write to",
>  		 i915_mmio_reg_offset(reg)))
> -		i915.mmio_debug--; /* Only report the first N failures */
> +		/* Only report the first N failures */
> +		i915_modparams_mkwrite()->mmio_debug--;
>  }
>  
>  static inline void
> @@ -850,7 +852,7 @@ unclaimed_reg_debug(struct drm_i915_private *dev_priv,
>  		    const bool read,
>  		    const bool before)
>  {
> -	if (likely(!i915.mmio_debug))
> +	if (likely(!i915_modparams.mmio_debug))
>  		return;
>  
>  	__unclaimed_reg_debug(dev_priv, reg, read, before);
> @@ -1706,7 +1708,7 @@ typedef int (*reset_func)(struct drm_i915_private *, unsigned engine_mask);
>  
>  static reset_func intel_get_gpu_reset(struct drm_i915_private *dev_priv)
>  {
> -	if (!i915.reset)
> +	if (!i915_modparams.reset)
>  		return NULL;
>  
>  	if (INTEL_INFO(dev_priv)->gen >= 8)
> @@ -1766,7 +1768,7 @@ bool intel_has_reset_engine(struct drm_i915_private *dev_priv)
>  {
>  	return (dev_priv->info.has_reset_engine &&
>  		!dev_priv->guc.execbuf_client &&
> -		i915.reset >= 2);
> +		i915_modparams.reset >= 2);
>  }
>  
>  int intel_guc_reset(struct drm_i915_private *dev_priv)
> @@ -1791,7 +1793,7 @@ bool intel_uncore_unclaimed_mmio(struct drm_i915_private *dev_priv)
>  bool
>  intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv)
>  {
> -	if (unlikely(i915.mmio_debug ||
> +	if (unlikely(i915_modparams.mmio_debug ||
>  		     dev_priv->uncore.unclaimed_mmio_check <= 0))
>  		return false;
>  
> @@ -1799,7 +1801,7 @@ intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv)
>  		DRM_DEBUG("Unclaimed register detected, "
>  			  "enabling oneshot unclaimed register reporting. "
>  			  "Please use i915.mmio_debug=N for more information.\n");
> -		i915.mmio_debug++;
> +		i915_modparams_mkwrite()->mmio_debug++;
>  		dev_priv->uncore.unclaimed_mmio_check--;
>  		return true;
>  	}

-- 
Jani Nikula, Intel Open Source Technology Center


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