[Intel-gfx] [PATCH] drm/i915: prefer INTEL_GEN(dev_priv) to INTEL_INFO(dev)->gen

Tvrtko Ursulin tvrtko.ursulin at linux.intel.com
Mon Jun 13 09:28:12 UTC 2016


On 10/06/16 18:35, Dave Gordon wrote:
> More Coccinellery ...
>
> Wherever we find "INTEL_INFO(dev)->gen", and have a suitable
> "dev_priv" in scope, replace it with "INTEL_GEN(dev_priv)".
> At this time, we've found 189 instances, and each replacement
> saves one memory cycle at runtime and two bytes of codespace
> (~360 bytes total text size reduction).
>
> @dev_priv_param@
> function FUNC;
> idexpression struct drm_device *DEV;
> identifier DEV_PRIV;
> @@
> FUNC(..., struct drm_i915_private *DEV_PRIV, ...)
> {
>      <...
> -   INTEL_INFO(DEV)->gen
> +   INTEL_GEN(DEV_PRIV)
>      ...>
> }
>
> @dev_priv_local@
> idexpression struct drm_device *DEV;
> identifier DEV_PRIV;
> expression E;
> @@
> {
>      ...
> (
>      struct drm_i915_private *DEV_PRIV;
> |
>      struct drm_i915_private *DEV_PRIV = E;
> )
>      <...
> -   INTEL_INFO(DEV)->gen
> +   INTEL_GEN(DEV_PRIV)
>      ...>
> }
>
> Plus manual deletion of one now-unused local "dev".
>
> Signed-off-by: Dave Gordon <david.s.gordon at intel.com>
> ---
>   drivers/gpu/drm/i915/i915_debugfs.c        |  52 +++++++-------
>   drivers/gpu/drm/i915/i915_dma.c            |  16 ++---
>   drivers/gpu/drm/i915/i915_drv.c            |   2 +-
>   drivers/gpu/drm/i915/i915_gem.c            |   4 +-
>   drivers/gpu/drm/i915/i915_gem_execbuffer.c |   8 +--
>   drivers/gpu/drm/i915/i915_gem_fence.c      |   8 +--
>   drivers/gpu/drm/i915/i915_gem_gtt.c        |  12 ++--
>   drivers/gpu/drm/i915/i915_gem_stolen.c     |   6 +-
>   drivers/gpu/drm/i915/i915_gpu_error.c      |  14 ++--
>   drivers/gpu/drm/i915/i915_irq.c            |  12 ++--
>   drivers/gpu/drm/i915/i915_suspend.c        |  20 +++---
>   drivers/gpu/drm/i915/intel_color.c         |   2 +-
>   drivers/gpu/drm/i915/intel_crt.c           |   6 +-
>   drivers/gpu/drm/i915/intel_ddi.c           |   4 +-
>   drivers/gpu/drm/i915/intel_display.c       | 111 ++++++++++++++---------------
>   drivers/gpu/drm/i915/intel_dp.c            |  20 +++---
>   drivers/gpu/drm/i915/intel_dpll_mgr.c      |   2 +-
>   drivers/gpu/drm/i915/intel_lvds.c          |   4 +-
>   drivers/gpu/drm/i915/intel_pm.c            |  18 ++---
>   drivers/gpu/drm/i915/intel_psr.c           |   4 +-
>   drivers/gpu/drm/i915/intel_sdvo.c          |   8 +--
>   drivers/gpu/drm/i915/intel_tv.c            |   2 +-
>   22 files changed, 167 insertions(+), 168 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index e4f2c55..6a106d5 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -672,7 +672,7 @@ static int i915_gem_pageflip_info(struct seq_file *m, void *data)
>   				   intel_crtc_get_vblank_counter(crtc));
>   			seq_printf(m, "%d prepares\n", atomic_read(&work->pending));
>
> -			if (INTEL_INFO(dev)->gen >= 4)
> +			if (INTEL_GEN(dev_priv) >= 4)
>   				addr = I915_HI_DISPBASE(I915_READ(DSPSURF(crtc->plane)));
>   			else
>   				addr = I915_READ(DSPADDR(crtc->plane));
> @@ -869,7 +869,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
>   			   I915_READ(GEN8_PCU_IIR));
>   		seq_printf(m, "PCU interrupt enable:\t%08x\n",
>   			   I915_READ(GEN8_PCU_IER));
> -	} else if (INTEL_INFO(dev)->gen >= 8) {
> +	} else if (INTEL_GEN(dev_priv) >= 8) {
>   		seq_printf(m, "Master Interrupt Control:\t%08x\n",
>   			   I915_READ(GEN8_MASTER_IRQ));
>
> @@ -995,7 +995,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
>   			   I915_READ(GTIMR));
>   	}
>   	for_each_engine(engine, dev_priv) {
> -		if (INTEL_INFO(dev)->gen >= 6) {
> +		if (INTEL_GEN(dev_priv) >= 6) {
>   			seq_printf(m,
>   				   "Graphics Interrupt mask (%s):	%08x\n",
>   				   engine->name, I915_READ_IMR(engine));
> @@ -1232,7 +1232,7 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
>   			   "efficient (RPe) frequency: %d MHz\n",
>   			   intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq));
>   		mutex_unlock(&dev_priv->rps.hw_lock);
> -	} else if (INTEL_INFO(dev)->gen >= 6) {
> +	} else if (INTEL_GEN(dev_priv) >= 6) {
>   		u32 rp_state_limits;
>   		u32 gt_perf_status;
>   		u32 rp_state_cap;
> @@ -1745,7 +1745,7 @@ static int i915_fbc_fc_get(void *data, u64 *val)
>   	struct drm_device *dev = data;
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>
> -	if (INTEL_INFO(dev)->gen < 7 || !HAS_FBC(dev))
> +	if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev))
>   		return -ENODEV;
>
>   	*val = dev_priv->fbc.false_color;
> @@ -1759,7 +1759,7 @@ static int i915_fbc_fc_set(void *data, u64 val)
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	u32 reg;
>
> -	if (INTEL_INFO(dev)->gen < 7 || !HAS_FBC(dev))
> +	if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev))
>   		return -ENODEV;
>
>   	mutex_lock(&dev_priv->fbc.lock);
> @@ -1795,7 +1795,7 @@ static int i915_ips_status(struct seq_file *m, void *unused)
>   	seq_printf(m, "Enabled by kernel parameter: %s\n",
>   		   yesno(i915.enable_ips));
>
> -	if (INTEL_INFO(dev)->gen >= 8) {
> +	if (INTEL_GEN(dev_priv) >= 8) {
>   		seq_puts(m, "Currently: unknown\n");
>   	} else {
>   		if (I915_READ(IPS_CTL) & IPS_ENABLE)
> @@ -2266,7 +2266,7 @@ static int i915_swizzle_info(struct seq_file *m, void *data)
>   			   I915_READ16(C0DRB3));
>   		seq_printf(m, "C1DRB3 = 0x%04x\n",
>   			   I915_READ16(C1DRB3));
> -	} else if (INTEL_INFO(dev)->gen >= 6) {
> +	} else if (INTEL_GEN(dev_priv) >= 6) {
>   		seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n",
>   			   I915_READ(MAD_DIMM_C0));
>   		seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n",
> @@ -2275,7 +2275,7 @@ static int i915_swizzle_info(struct seq_file *m, void *data)
>   			   I915_READ(MAD_DIMM_C2));
>   		seq_printf(m, "TILECTL = 0x%08x\n",
>   			   I915_READ(TILECTL));
> -		if (INTEL_INFO(dev)->gen >= 8)
> +		if (INTEL_GEN(dev_priv) >= 8)
>   			seq_printf(m, "GAMTARBMODE = 0x%08x\n",
>   				   I915_READ(GAMTARBMODE));
>   		else
> @@ -2380,9 +2380,9 @@ static int i915_ppgtt_info(struct seq_file *m, void *data)
>   		return ret;
>   	intel_runtime_pm_get(dev_priv);
>
> -	if (INTEL_INFO(dev)->gen >= 8)
> +	if (INTEL_GEN(dev_priv) >= 8)
>   		gen8_ppgtt_info(m, dev);
> -	else if (INTEL_INFO(dev)->gen >= 6)
> +	else if (INTEL_GEN(dev_priv) >= 6)
>   		gen6_ppgtt_info(m, dev);
>
>   	mutex_lock(&dev->filelist_mutex);
> @@ -2741,7 +2741,7 @@ static int i915_energy_uJ(struct seq_file *m, void *data)
>   	u64 power;
>   	u32 units;
>
> -	if (INTEL_INFO(dev)->gen < 6)
> +	if (INTEL_GEN(dev_priv) < 6)
>   		return -ENODEV;
>
>   	intel_runtime_pm_get(dev_priv);
> @@ -3338,7 +3338,7 @@ static int i915_ddb_info(struct seq_file *m, void *unused)
>   	enum pipe pipe;
>   	int plane;
>
> -	if (INTEL_INFO(dev)->gen < 9)
> +	if (INTEL_GEN(dev_priv) < 9)
>   		return 0;
>
>   	drm_modeset_lock_all(dev);
> @@ -4091,7 +4091,7 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
>
>   	if (IS_GEN2(dev))
>   		ret = i8xx_pipe_crc_ctl_reg(&source, &val);
> -	else if (INTEL_INFO(dev)->gen < 5)
> +	else if (INTEL_GEN(dev_priv) < 5)
>   		ret = i9xx_pipe_crc_ctl_reg(dev, pipe, &source, &val);
>   	else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
>   		ret = vlv_pipe_crc_ctl_reg(dev, pipe, &source, &val);
> @@ -4578,7 +4578,7 @@ static int pri_wm_latency_show(struct seq_file *m, void *data)
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	const uint16_t *latencies;
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		latencies = dev_priv->wm.skl_latency;
>   	else
>   		latencies = to_i915(dev)->wm.pri_latency;
> @@ -4594,7 +4594,7 @@ static int spr_wm_latency_show(struct seq_file *m, void *data)
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	const uint16_t *latencies;
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		latencies = dev_priv->wm.skl_latency;
>   	else
>   		latencies = to_i915(dev)->wm.spr_latency;
> @@ -4610,7 +4610,7 @@ static int cur_wm_latency_show(struct seq_file *m, void *data)
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	const uint16_t *latencies;
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		latencies = dev_priv->wm.skl_latency;
>   	else
>   		latencies = to_i915(dev)->wm.cur_latency;
> @@ -4701,7 +4701,7 @@ static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf,
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	uint16_t *latencies;
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		latencies = dev_priv->wm.skl_latency;
>   	else
>   		latencies = to_i915(dev)->wm.pri_latency;
> @@ -4717,7 +4717,7 @@ static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf,
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	uint16_t *latencies;
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		latencies = dev_priv->wm.skl_latency;
>   	else
>   		latencies = to_i915(dev)->wm.spr_latency;
> @@ -4733,7 +4733,7 @@ static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	uint16_t *latencies;
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		latencies = dev_priv->wm.skl_latency;
>   	else
>   		latencies = to_i915(dev)->wm.cur_latency;
> @@ -4973,7 +4973,7 @@ static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	int ret;
>
> -	if (INTEL_INFO(dev)->gen < 6)
> +	if (INTEL_GEN(dev_priv) < 6)
>   		return -ENODEV;
>
>   	flush_delayed_work(&dev_priv->rps.delayed_resume_work);
> @@ -4996,7 +4996,7 @@ static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
>   	u32 hw_max, hw_min;
>   	int ret;
>
> -	if (INTEL_INFO(dev)->gen < 6)
> +	if (INTEL_GEN(dev_priv) < 6)
>   		return -ENODEV;
>
>   	flush_delayed_work(&dev_priv->rps.delayed_resume_work);
> @@ -5040,7 +5040,7 @@ static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	int ret;
>
> -	if (INTEL_INFO(dev)->gen < 6)
> +	if (INTEL_GEN(dev_priv) < 6)
>   		return -ENODEV;
>
>   	flush_delayed_work(&dev_priv->rps.delayed_resume_work);
> @@ -5063,7 +5063,7 @@ static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
>   	u32 hw_max, hw_min;
>   	int ret;
>
> -	if (INTEL_INFO(dev)->gen < 6)
> +	if (INTEL_GEN(dev_priv) < 6)
>   		return -ENODEV;
>
>   	flush_delayed_work(&dev_priv->rps.delayed_resume_work);
> @@ -5341,7 +5341,7 @@ static int i915_forcewake_open(struct inode *inode, struct file *file)
>   	struct drm_device *dev = inode->i_private;
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>
> -	if (INTEL_INFO(dev)->gen < 6)
> +	if (INTEL_GEN(dev_priv) < 6)
>   		return 0;
>
>   	intel_runtime_pm_get(dev_priv);
> @@ -5355,7 +5355,7 @@ static int i915_forcewake_release(struct inode *inode, struct file *file)
>   	struct drm_device *dev = inode->i_private;
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>
> -	if (INTEL_INFO(dev)->gen < 6)
> +	if (INTEL_GEN(dev_priv) < 6)
>   		return 0;
>
>   	intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
> index 07edaed..afd4598 100644
> --- a/drivers/gpu/drm/i915/i915_dma.c
> +++ b/drivers/gpu/drm/i915/i915_dma.c
> @@ -165,7 +165,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
>   		value = 1;
>   		break;
>   	case I915_PARAM_HAS_EXEC_CONSTANTS:
> -		value = INTEL_INFO(dev)->gen >= 4;
> +		value = INTEL_GEN(dev_priv) >= 4;
>   		break;
>   	case I915_PARAM_HAS_RELAXED_DELTA:
>   		value = 1;
> @@ -261,12 +261,12 @@ static int i915_get_bridge_dev(struct drm_device *dev)
>   intel_alloc_mchbar_resource(struct drm_device *dev)
>   {
>   	struct drm_i915_private *dev_priv = dev->dev_private;
> -	int reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
> +	int reg = INTEL_GEN(dev_priv) >= 4 ? MCHBAR_I965 : MCHBAR_I915;
>   	u32 temp_lo, temp_hi = 0;
>   	u64 mchbar_addr;
>   	int ret;
>
> -	if (INTEL_INFO(dev)->gen >= 4)
> +	if (INTEL_GEN(dev_priv) >= 4)
>   		pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
>   	pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo);
>   	mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
> @@ -293,7 +293,7 @@ static int i915_get_bridge_dev(struct drm_device *dev)
>   		return ret;
>   	}
>
> -	if (INTEL_INFO(dev)->gen >= 4)
> +	if (INTEL_GEN(dev_priv) >= 4)
>   		pci_write_config_dword(dev_priv->bridge_dev, reg + 4,
>   				       upper_32_bits(dev_priv->mch_res.start));
>
> @@ -307,7 +307,7 @@ static int i915_get_bridge_dev(struct drm_device *dev)
>   intel_setup_mchbar(struct drm_device *dev)
>   {
>   	struct drm_i915_private *dev_priv = dev->dev_private;
> -	int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
> +	int mchbar_reg = INTEL_GEN(dev_priv) >= 4 ? MCHBAR_I965 : MCHBAR_I915;
>   	u32 temp;
>   	bool enabled;
>
> @@ -347,7 +347,7 @@ static int i915_get_bridge_dev(struct drm_device *dev)
>   intel_teardown_mchbar(struct drm_device *dev)
>   {
>   	struct drm_i915_private *dev_priv = dev->dev_private;
> -	int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
> +	int mchbar_reg = INTEL_GEN(dev_priv) >= 4 ? MCHBAR_I965 : MCHBAR_I915;
>
>   	if (dev_priv->mchbar_need_disable) {
>   		if (IS_I915G(dev) || IS_I915GM(dev)) {
> @@ -948,7 +948,7 @@ static void intel_device_info_runtime_init(struct drm_device *dev)
>   		cherryview_sseu_info_init(dev);
>   	else if (IS_BROADWELL(dev))
>   		broadwell_sseu_info_init(dev);
> -	else if (INTEL_INFO(dev)->gen >= 9)
> +	else if (INTEL_GEN(dev_priv) >= 9)
>   		gen9_sseu_info_init(dev);
>
>   	info->has_snoop = !info->has_llc;
> @@ -1143,7 +1143,7 @@ static int i915_mmio_setup(struct drm_device *dev)
>   	 * the register BAR remains the same size for all the earlier
>   	 * generations up to Ironlake.
>   	 */
> -	if (INTEL_INFO(dev)->gen < 5)
> +	if (INTEL_GEN(dev_priv) < 5)
>   		mmio_size = 512 * 1024;
>   	else
>   		mmio_size = 2 * 1024 * 1024;
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 872c6060..97ddba5 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -998,7 +998,7 @@ int i915_reset(struct drm_i915_private *dev_priv)
>   	 * previous concerns that it doesn't respond well to some forms
>   	 * of re-init after reset.
>   	 */
> -	if (INTEL_INFO(dev)->gen > 5)
> +	if (INTEL_GEN(dev_priv) > 5)
>   		intel_enable_gt_powersave(dev_priv);
>
>   	return 0;
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index eae8d7a..4aeee79 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -4778,7 +4778,7 @@ void i915_gem_init_swizzling(struct drm_device *dev)
>   {
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>
> -	if (INTEL_INFO(dev)->gen < 5 ||
> +	if (INTEL_GEN(dev_priv) < 5 ||
>   	    dev_priv->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_NONE)
>   		return;
>
> @@ -4895,7 +4895,7 @@ int i915_gem_init_engines(struct drm_device *dev)
>   			u32 temp = I915_READ(GEN7_MSG_CTL);
>   			temp &= ~(WAIT_FOR_PCH_FLR_ACK | WAIT_FOR_PCH_RESET_ACK);
>   			I915_WRITE(GEN7_MSG_CTL, temp);
> -		} else if (INTEL_INFO(dev)->gen >= 7) {
> +		} else if (INTEL_GEN(dev_priv) >= 7) {
>   			u32 temp = I915_READ(HSW_NDE_RSTWRN_OPT);
>   			temp &= ~RESET_PCH_HANDSHAKE_ENABLE;
>   			I915_WRITE(HSW_NDE_RSTWRN_OPT, temp);
> diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> index 8097698..86e052c 100644
> --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> @@ -335,7 +335,7 @@ static inline uint64_t gen8_noncanonical_addr(uint64_t address)
>   					      offset & PAGE_MASK);
>   	iowrite32(lower_32_bits(delta), reloc_page + offset_in_page(offset));
>
> -	if (INTEL_INFO(dev)->gen >= 8) {
> +	if (INTEL_GEN(dev_priv) >= 8) {
>   		offset += sizeof(uint32_t);
>
>   		if (offset_in_page(offset) == 0) {
> @@ -1254,19 +1254,19 @@ static bool only_mappable_for_reloc(unsigned int flags)
>   		}
>
>   		if (instp_mode != dev_priv->relative_constants_mode) {
> -			if (INTEL_INFO(dev)->gen < 4) {
> +			if (INTEL_GEN(dev_priv) < 4) {
>   				DRM_DEBUG("no rel constants on pre-gen4\n");
>   				return -EINVAL;
>   			}
>
> -			if (INTEL_INFO(dev)->gen > 5 &&
> +			if (INTEL_GEN(dev_priv) > 5 &&
>   			    instp_mode == I915_EXEC_CONSTANTS_REL_SURFACE) {
>   				DRM_DEBUG("rel surface constants mode invalid on gen5+\n");
>   				return -EINVAL;
>   			}
>
>   			/* The HW changed the meaning on this bit on gen6 */
> -			if (INTEL_INFO(dev)->gen >= 6)
> +			if (INTEL_GEN(dev_priv) >= 6)
>   				instp_mask &= ~I915_EXEC_CONSTANTS_REL_SURFACE;
>   		}
>   		break;
> diff --git a/drivers/gpu/drm/i915/i915_gem_fence.c b/drivers/gpu/drm/i915/i915_gem_fence.c
> index 2b6bdc2..013e69c 100644
> --- a/drivers/gpu/drm/i915/i915_gem_fence.c
> +++ b/drivers/gpu/drm/i915/i915_gem_fence.c
> @@ -62,7 +62,7 @@ static void i965_write_fence_reg(struct drm_device *dev, int reg,
>   	i915_reg_t fence_reg_lo, fence_reg_hi;
>   	int fence_pitch_shift;
>
> -	if (INTEL_INFO(dev)->gen >= 6) {
> +	if (INTEL_GEN(dev_priv) >= 6) {
>   		fence_reg_lo = FENCE_REG_GEN6_LO(reg);
>   		fence_reg_hi = FENCE_REG_GEN6_HI(reg);
>   		fence_pitch_shift = GEN6_FENCE_PITCH_SHIFT;
> @@ -209,7 +209,7 @@ static void i915_gem_write_fence(struct drm_device *dev, int reg,
>   		i830_write_fence_reg(dev, reg, obj);
>   	else if (IS_GEN3(dev))
>   		i915_write_fence_reg(dev, reg, obj);
> -	else if (INTEL_INFO(dev)->gen >= 4)
> +	else if (INTEL_GEN(dev_priv) >= 4)
>   		i965_write_fence_reg(dev, reg, obj);
>
>   	/* And similarly be paranoid that no direct access to this region
> @@ -553,7 +553,7 @@ void i915_gem_restore_fences(struct drm_device *dev)
>   	uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
>   	uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
>
> -	if (INTEL_INFO(dev)->gen >= 8 || IS_VALLEYVIEW(dev)) {
> +	if (INTEL_GEN(dev_priv) >= 8 || IS_VALLEYVIEW(dev)) {

While we are churning :), could looks for both dev_priv and dev in the 
same condition like here and tidy those.

>   		/*
>   		 * On BDW+, swizzling is not used. We leave the CPU memory
>   		 * controller in charge of optimizing memory accesses without
> @@ -563,7 +563,7 @@ void i915_gem_restore_fences(struct drm_device *dev)
>   		 */
>   		swizzle_x = I915_BIT_6_SWIZZLE_NONE;
>   		swizzle_y = I915_BIT_6_SWIZZLE_NONE;
> -	} else if (INTEL_INFO(dev)->gen >= 6) {
> +	} else if (INTEL_GEN(dev_priv) >= 6) {
>   		if (dev_priv->preserve_bios_swizzle) {
>   			if (I915_READ(DISP_ARB_CTL) &
>   			    DISP_TILE_SURFACE_SWIZZLING) {
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index 4668477..ac860af 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -2324,7 +2324,7 @@ void i915_gem_suspend_gtt_mappings(struct drm_device *dev)
>   	/* Don't bother messing with faults pre GEN6 as we have little
>   	 * documentation supporting that it's a good idea.
>   	 */
> -	if (INTEL_INFO(dev)->gen < 6)
> +	if (INTEL_GEN(dev_priv) < 6)
>   		return;
>
>   	i915_check_and_clear_faults(dev_priv);
> @@ -3054,7 +3054,7 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
>
>   	pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
>
> -	if (INTEL_INFO(dev)->gen >= 9) {
> +	if (INTEL_GEN(dev_priv) >= 9) {
>   		ggtt->stolen_size = gen9_get_stolen_size(snb_gmch_ctl);
>   		ggtt->size = gen8_get_total_gtt_size(snb_gmch_ctl);
>   	} else if (IS_CHERRYVIEW(dev)) {
> @@ -3173,10 +3173,10 @@ int i915_ggtt_init_hw(struct drm_device *dev)
>   	struct i915_ggtt *ggtt = &dev_priv->ggtt;
>   	int ret;
>
> -	if (INTEL_INFO(dev)->gen <= 5) {
> +	if (INTEL_GEN(dev_priv) <= 5) {
>   		ggtt->probe = i915_gmch_probe;
>   		ggtt->base.cleanup = i915_gmch_remove;
> -	} else if (INTEL_INFO(dev)->gen < 8) {
> +	} else if (INTEL_GEN(dev_priv) < 8) {
>   		ggtt->probe = gen6_gmch_probe;
>   		ggtt->base.cleanup = gen6_gmch_remove;
>
> @@ -3186,7 +3186,7 @@ int i915_ggtt_init_hw(struct drm_device *dev)
>   			ggtt->base.pte_encode = hsw_pte_encode;
>   		else if (IS_VALLEYVIEW(dev))
>   			ggtt->base.pte_encode = byt_pte_encode;
> -		else if (INTEL_INFO(dev)->gen >= 7)
> +		else if (INTEL_GEN(dev_priv) >= 7)
>   			ggtt->base.pte_encode = ivb_pte_encode;
>   		else
>   			ggtt->base.pte_encode = snb_pte_encode;
> @@ -3271,7 +3271,7 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
>   			WARN_ON(i915_gem_object_set_to_gtt_domain(obj, false));
>   	}
>
> -	if (INTEL_INFO(dev)->gen >= 8) {
> +	if (INTEL_GEN(dev_priv) >= 8) {
>   		if (IS_CHERRYVIEW(dev) || IS_BROXTON(dev))
>   			chv_setup_private_ppat(dev_priv);
>   		else
> diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
> index e9cd822..7b8383e 100644
> --- a/drivers/gpu/drm/i915/i915_gem_stolen.c
> +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
> @@ -108,7 +108,7 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
>   	 *
>   	 */
>   	base = 0;
> -	if (INTEL_INFO(dev)->gen >= 3) {
> +	if (INTEL_GEN(dev_priv) >= 3) {
>   		u32 bsm;
>
>   		pci_read_config_dword(dev->pdev, INTEL_BSM, &bsm);
> @@ -192,7 +192,7 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
>   		return 0;
>
>   	/* make sure we don't clobber the GTT if it's within stolen memory */
> -	if (INTEL_INFO(dev)->gen <= 4 && !IS_G33(dev) && !IS_G4X(dev)) {
> +	if (INTEL_GEN(dev_priv) <= 4 && !IS_G33(dev) && !IS_G4X(dev)) {
>   		struct {
>   			u32 start, end;
>   		} stolen[2] = {
> @@ -405,7 +405,7 @@ int i915_gem_init_stolen(struct drm_device *dev)
>   	mutex_init(&dev_priv->mm.stolen_lock);
>
>   #ifdef CONFIG_INTEL_IOMMU
> -	if (intel_iommu_gfx_mapped && INTEL_INFO(dev)->gen < 8) {
> +	if (intel_iommu_gfx_mapped && INTEL_GEN(dev_priv) < 8) {
>   		DRM_INFO("DMAR active, disabling use of stolen memory\n");
>   		return 0;
>   	}
> diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
> index 34ff245..1da09c5 100644
> --- a/drivers/gpu/drm/i915/i915_gpu_error.c
> +++ b/drivers/gpu/drm/i915/i915_gpu_error.c
> @@ -382,7 +382,7 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
>
>   	err_printf(m, "EIR: 0x%08x\n", error->eir);
>   	err_printf(m, "IER: 0x%08x\n", error->ier);
> -	if (INTEL_INFO(dev)->gen >= 8) {
> +	if (INTEL_GEN(dev_priv) >= 8) {
>   		for (i = 0; i < 4; i++)
>   			err_printf(m, "GTIER gt %d: 0x%08x\n", i,
>   				   error->gtier[i]);
> @@ -401,10 +401,10 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
>   		err_printf(m, "  INSTDONE_%d: 0x%08x\n", i,
>   			   error->extra_instdone[i]);
>
> -	if (INTEL_INFO(dev)->gen >= 6) {
> +	if (INTEL_GEN(dev_priv) >= 6) {
>   		err_printf(m, "ERROR: 0x%08x\n", error->error);
>
> -		if (INTEL_INFO(dev)->gen >= 8)
> +		if (INTEL_GEN(dev_priv) >= 8)
>   			err_printf(m, "FAULT_TLB_DATA: 0x%08x 0x%08x\n",
>   				   error->fault_data1, error->fault_data0);
>
> @@ -1251,7 +1251,7 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv,
>   	if (IS_GEN7(dev))
>   		error->err_int = I915_READ(GEN7_ERR_INT);
>
> -	if (INTEL_INFO(dev)->gen >= 8) {
> +	if (INTEL_GEN(dev_priv) >= 8) {
>   		error->fault_data0 = I915_READ(GEN8_FAULT_TLB_DATA0);
>   		error->fault_data1 = I915_READ(GEN8_FAULT_TLB_DATA1);
>   	}
> @@ -1263,10 +1263,10 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv,
>   	}
>
>   	/* 2: Registers which belong to multiple generations */
> -	if (INTEL_INFO(dev)->gen >= 7)
> +	if (INTEL_GEN(dev_priv) >= 7)
>   		error->forcewake = I915_READ_FW(FORCEWAKE_MT);
>
> -	if (INTEL_INFO(dev)->gen >= 6) {
> +	if (INTEL_GEN(dev_priv) >= 6) {
>   		error->derrmr = I915_READ(DERRMR);
>   		error->error = I915_READ(ERROR_GEN6);
>   		error->done_reg = I915_READ(DONE_REG);
> @@ -1282,7 +1282,7 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv,
>   	if (HAS_HW_CONTEXTS(dev))
>   		error->ccid = I915_READ(CCID);
>
> -	if (INTEL_INFO(dev)->gen >= 8) {
> +	if (INTEL_GEN(dev_priv) >= 8) {
>   		error->ier = I915_READ(GEN8_DE_MISC_IER);
>   		for (i = 0; i < 4; i++)
>   			error->gtier[i] = I915_READ(GEN8_GT_IER(i));
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 4378a65..2b7d292 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -2729,7 +2729,7 @@ static int i915_enable_vblank(struct drm_device *dev, unsigned int pipe)
>   	unsigned long irqflags;
>
>   	spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
> -	if (INTEL_INFO(dev)->gen >= 4)
> +	if (INTEL_GEN(dev_priv) >= 4)
>   		i915_enable_pipestat(dev_priv, pipe,
>   				     PIPE_START_VBLANK_INTERRUPT_STATUS);
>   	else
> @@ -2744,7 +2744,7 @@ static int ironlake_enable_vblank(struct drm_device *dev, unsigned int pipe)
>   {
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	unsigned long irqflags;
> -	uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) :
> +	uint32_t bit = (INTEL_GEN(dev_priv) >= 7) ? DE_PIPE_VBLANK_IVB(pipe) :
>   						     DE_PIPE_VBLANK(pipe);
>
>   	spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
> @@ -2798,7 +2798,7 @@ static void ironlake_disable_vblank(struct drm_device *dev, unsigned int pipe)
>   {
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	unsigned long irqflags;
> -	uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) :
> +	uint32_t bit = (INTEL_GEN(dev_priv) >= 7) ? DE_PIPE_VBLANK_IVB(pipe) :
>   						     DE_PIPE_VBLANK(pipe);
>
>   	spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
> @@ -3303,7 +3303,7 @@ static void gen5_gt_irq_reset(struct drm_device *dev)
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>
>   	GEN5_IRQ_RESET(GT);
> -	if (INTEL_INFO(dev)->gen >= 6)
> +	if (INTEL_GEN(dev_priv) >= 6)
>   		GEN5_IRQ_RESET(GEN6_PM);
>   }
>
> @@ -3640,7 +3640,7 @@ static void gen5_gt_irq_postinstall(struct drm_device *dev)
>
>   	GEN5_IRQ_INIT(GT, dev_priv->gt_irq_mask, gt_irqs);
>
> -	if (INTEL_INFO(dev)->gen >= 6) {
> +	if (INTEL_GEN(dev_priv) >= 6) {
>   		/*
>   		 * RPS interrupts will get enabled/disabled on demand when RPS
>   		 * itself is enabled/disabled.
> @@ -3658,7 +3658,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	u32 display_mask, extra_mask;
>
> -	if (INTEL_INFO(dev)->gen >= 7) {
> +	if (INTEL_GEN(dev_priv) >= 7) {
>   		display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE_IVB |
>   				DE_PCH_EVENT_IVB | DE_PLANEC_FLIP_DONE_IVB |
>   				DE_PLANEB_FLIP_DONE_IVB |
> diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
> index 34e061a..048a7e1 100644
> --- a/drivers/gpu/drm/i915/i915_suspend.c
> +++ b/drivers/gpu/drm/i915/i915_suspend.c
> @@ -34,13 +34,13 @@ static void i915_save_display(struct drm_device *dev)
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>
>   	/* Display arbitration control */
> -	if (INTEL_INFO(dev)->gen <= 4)
> +	if (INTEL_GEN(dev_priv) <= 4)
>   		dev_priv->regfile.saveDSPARB = I915_READ(DSPARB);
>
>   	/* LVDS state */
>   	if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
>   		dev_priv->regfile.saveLVDS = I915_READ(PCH_LVDS);
> -	else if (INTEL_INFO(dev)->gen <= 4 && IS_MOBILE(dev) && !IS_I830(dev))
> +	else if (INTEL_GEN(dev_priv) <= 4 && IS_MOBILE(dev) && !IS_I830(dev))
>   		dev_priv->regfile.saveLVDS = I915_READ(LVDS);
>
>   	/* Panel power sequencer */
> @@ -49,7 +49,7 @@ static void i915_save_display(struct drm_device *dev)
>   		dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PCH_PP_ON_DELAYS);
>   		dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PCH_PP_OFF_DELAYS);
>   		dev_priv->regfile.savePP_DIVISOR = I915_READ(PCH_PP_DIVISOR);
> -	} else if (INTEL_INFO(dev)->gen <= 4) {
> +	} else if (INTEL_GEN(dev_priv) <= 4) {
>   		dev_priv->regfile.savePP_CONTROL = I915_READ(PP_CONTROL);
>   		dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS);
>   		dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS);
> @@ -57,7 +57,7 @@ static void i915_save_display(struct drm_device *dev)
>   	}
>
>   	/* save FBC interval */
> -	if (HAS_FBC(dev) && INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev))
> +	if (HAS_FBC(dev) && INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev))
>   		dev_priv->regfile.saveFBC_CONTROL = I915_READ(FBC_CONTROL);
>   }
>
> @@ -67,7 +67,7 @@ static void i915_restore_display(struct drm_device *dev)
>   	u32 mask = 0xffffffff;
>
>   	/* Display arbitration */
> -	if (INTEL_INFO(dev)->gen <= 4)
> +	if (INTEL_GEN(dev_priv) <= 4)
>   		I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB);
>
>   	mask = ~LVDS_PORT_EN;
> @@ -75,7 +75,7 @@ static void i915_restore_display(struct drm_device *dev)
>   	/* LVDS state */
>   	if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
>   		I915_WRITE(PCH_LVDS, dev_priv->regfile.saveLVDS & mask);
> -	else if (INTEL_INFO(dev)->gen <= 4 && IS_MOBILE(dev) && !IS_I830(dev))
> +	else if (INTEL_GEN(dev_priv) <= 4 && IS_MOBILE(dev) && !IS_I830(dev))
>   		I915_WRITE(LVDS, dev_priv->regfile.saveLVDS & mask);
>
>   	/* Panel power sequencer */
> @@ -84,7 +84,7 @@ static void i915_restore_display(struct drm_device *dev)
>   		I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->regfile.savePP_OFF_DELAYS);
>   		I915_WRITE(PCH_PP_DIVISOR, dev_priv->regfile.savePP_DIVISOR);
>   		I915_WRITE(PCH_PP_CONTROL, dev_priv->regfile.savePP_CONTROL);
> -	} else if (INTEL_INFO(dev)->gen <= 4) {
> +	} else if (INTEL_GEN(dev_priv) <= 4) {
>   		I915_WRITE(PP_ON_DELAYS, dev_priv->regfile.savePP_ON_DELAYS);
>   		I915_WRITE(PP_OFF_DELAYS, dev_priv->regfile.savePP_OFF_DELAYS);
>   		I915_WRITE(PP_DIVISOR, dev_priv->regfile.savePP_DIVISOR);
> @@ -95,7 +95,7 @@ static void i915_restore_display(struct drm_device *dev)
>   	intel_fbc_global_disable(dev_priv);
>
>   	/* restore FBC interval */
> -	if (HAS_FBC(dev) && INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev))
> +	if (HAS_FBC(dev) && INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev))
>   		I915_WRITE(FBC_CONTROL, dev_priv->regfile.saveFBC_CONTROL);
>
>   	i915_redisable_vga(dev);
> @@ -115,7 +115,7 @@ int i915_save_state(struct drm_device *dev)
>   				     &dev_priv->regfile.saveGCDGMBUS);
>
>   	/* Cache mode state */
> -	if (INTEL_INFO(dev)->gen < 7)
> +	if (INTEL_GEN(dev_priv) < 7)
>   		dev_priv->regfile.saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
>
>   	/* Memory Arbitration state */
> @@ -161,7 +161,7 @@ int i915_restore_state(struct drm_device *dev)
>   	i915_restore_display(dev);
>
>   	/* Cache mode state */
> -	if (INTEL_INFO(dev)->gen < 7)
> +	if (INTEL_GEN(dev_priv) < 7)
>   		I915_WRITE(CACHE_MODE_0, dev_priv->regfile.saveCACHE_MODE_0 |
>   			   0xffff0000);
>
> diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
> index 522f5a2..778dec1 100644
> --- a/drivers/gpu/drm/i915/intel_color.c
> +++ b/drivers/gpu/drm/i915/intel_color.c
> @@ -179,7 +179,7 @@ static void i9xx_load_csc_matrix(struct drm_crtc_state *crtc_state)
>   	I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0);
>   	I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0);
>
> -	if (INTEL_INFO(dev)->gen > 6) {
> +	if (INTEL_GEN(dev_priv) > 6) {
>   		uint16_t postoff = 0;
>
>   		if (intel_crtc->config->limited_color_range)
> diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
> index 6229681..668f57e 100644
> --- a/drivers/gpu/drm/i915/intel_crt.c
> +++ b/drivers/gpu/drm/i915/intel_crt.c
> @@ -152,7 +152,7 @@ static void intel_crt_set_dpms(struct intel_encoder *encoder, int mode)
>   	const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode;
>   	u32 adpa;
>
> -	if (INTEL_INFO(dev)->gen >= 5)
> +	if (INTEL_GEN(dev_priv) >= 5)
>   		adpa = ADPA_HOTPLUG_BITS;
>   	else
>   		adpa = 0;
> @@ -653,7 +653,7 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
>   	if (intel_get_load_detect_pipe(connector, NULL, &tmp, &ctx)) {
>   		if (intel_crt_detect_ddc(connector))
>   			status = connector_status_connected;
> -		else if (INTEL_INFO(dev)->gen < 4)
> +		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)
> @@ -719,7 +719,7 @@ static void intel_crt_reset(struct drm_connector *connector)
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	struct intel_crt *crt = intel_attached_crt(connector);
>
> -	if (INTEL_INFO(dev)->gen >= 5) {
> +	if (INTEL_GEN(dev_priv) >= 5) {
>   		u32 adpa;
>
>   		adpa = I915_READ(crt->adpa_reg);
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 022b41d..71d8fb1 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -1671,7 +1671,7 @@ static void intel_ddi_post_disable(struct intel_encoder *intel_encoder)
>   	if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev))
>   		I915_WRITE(DPLL_CTRL2, (I915_READ(DPLL_CTRL2) |
>   					DPLL_CTRL2_DDI_CLK_OFF(port)));
> -	else if (INTEL_INFO(dev)->gen < 9)
> +	else if (INTEL_GEN(dev_priv) < 9)
>   		I915_WRITE(PORT_CLK_SEL(port), PORT_CLK_SEL_NONE);
>
>   	if (type == INTEL_OUTPUT_HDMI) {
> @@ -1705,7 +1705,7 @@ static void intel_enable_ddi(struct intel_encoder *intel_encoder)
>   	} else if (type == INTEL_OUTPUT_EDP) {
>   		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
>
> -		if (port == PORT_A && INTEL_INFO(dev)->gen < 9)
> +		if (port == PORT_A && INTEL_GEN(dev_priv) < 9)
>   			intel_dp_stop_link_train(intel_dp);
>
>   		intel_edp_backlight_on(intel_dp);
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 473c8fd..984b9fc 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -1120,7 +1120,7 @@ static void intel_wait_for_pipe_off(struct intel_crtc *crtc)
>   	enum transcoder cpu_transcoder = crtc->config->cpu_transcoder;
>   	enum pipe pipe = crtc->pipe;
>
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		i915_reg_t reg = PIPECONF(cpu_transcoder);
>
>   		/* Wait for the Pipe State to go off */
> @@ -1338,11 +1338,10 @@ static void assert_plane(struct drm_i915_private *dev_priv,
>   static void assert_planes_disabled(struct drm_i915_private *dev_priv,
>   				   enum pipe pipe)
>   {
> -	struct drm_device *dev = dev_priv->dev;
>   	int i;
>
>   	/* Primary planes are fixed to pipes on gen4+ */
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		u32 val = I915_READ(DSPCNTR(pipe));
>   		I915_STATE_WARN(val & DISPLAY_PLANE_ENABLE,
>   		     "plane %c assertion failure, should be disabled but not\n",
> @@ -1367,7 +1366,7 @@ static void assert_sprites_disabled(struct drm_i915_private *dev_priv,
>   	struct drm_device *dev = dev_priv->dev;
>   	int sprite;
>
> -	if (INTEL_INFO(dev)->gen >= 9) {
> +	if (INTEL_GEN(dev_priv) >= 9) {
>   		for_each_sprite(dev_priv, pipe, sprite) {
>   			u32 val = I915_READ(PLANE_CTL(pipe, sprite));
>   			I915_STATE_WARN(val & PLANE_CTL_ENABLE,
> @@ -1381,12 +1380,12 @@ static void assert_sprites_disabled(struct drm_i915_private *dev_priv,
>   			     "sprite %c assertion failure, should be off on pipe %c but is still active\n",
>   			     sprite_name(pipe, sprite), pipe_name(pipe));
>   		}
> -	} else if (INTEL_INFO(dev)->gen >= 7) {
> +	} else if (INTEL_GEN(dev_priv) >= 7) {
>   		u32 val = I915_READ(SPRCTL(pipe));
>   		I915_STATE_WARN(val & SPRITE_ENABLE,
>   		     "sprite %c assertion failure, should be off on pipe %c but is still active\n",
>   		     plane_name(pipe), pipe_name(pipe));
> -	} else if (INTEL_INFO(dev)->gen >= 5) {
> +	} else if (INTEL_GEN(dev_priv) >= 5) {
>   		u32 val = I915_READ(DVSCNTR(pipe));
>   		I915_STATE_WARN(val & DVS_ENABLE,
>   		     "sprite %c assertion failure, should be off on pipe %c but is still active\n",
> @@ -1685,7 +1684,7 @@ static void i9xx_enable_pll(struct intel_crtc *crtc)
>   	POSTING_READ(reg);
>   	udelay(150);
>
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		I915_WRITE(DPLL_MD(crtc->pipe),
>   			   crtc->config->dpll_hw_state.dpll_md);
>   	} else {
> @@ -2660,7 +2659,7 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
>
>   	dspcntr |= DISPLAY_PLANE_ENABLE;
>
> -	if (INTEL_INFO(dev)->gen < 4) {
> +	if (INTEL_GEN(dev_priv) < 4) {
>   		if (intel_crtc->pipe == PIPE_B)
>   			dspcntr |= DISPPLANE_SEL_PIPE_B;
>
> @@ -2705,7 +2704,7 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
>   		BUG();
>   	}
>
> -	if (INTEL_INFO(dev)->gen >= 4 &&
> +	if (INTEL_GEN(dev_priv) >= 4 &&
>   	    obj->tiling_mode != I915_TILING_NONE)
>   		dspcntr |= DISPPLANE_TILED;
>
> @@ -2714,7 +2713,7 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
>
>   	linear_offset = y * fb->pitches[0] + x * cpp;
>
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		intel_crtc->dspaddr_offset =
>   			intel_compute_tile_offset(&x, &y, fb, 0,
>   						  fb->pitches[0], rotation);
> @@ -2742,7 +2741,7 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
>   	I915_WRITE(reg, dspcntr);
>
>   	I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]);
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		I915_WRITE(DSPSURF(plane),
>   			   i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset);
>   		I915_WRITE(DSPTILEOFF(plane), (y << 16) | x);
> @@ -3256,7 +3255,7 @@ static void intel_update_pipe_config(struct intel_crtc *crtc,
>   		   (pipe_config->pipe_src_h - 1));
>
>   	/* on skylake this is done by detaching scalers */
> -	if (INTEL_INFO(dev)->gen >= 9) {
> +	if (INTEL_GEN(dev_priv) >= 9) {
>   		skl_detach_scalers(crtc);
>
>   		if (pipe_config->pch_pfit.enabled)
> @@ -4888,7 +4887,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
>   	if (!intel_crtc->config->has_dsi_encoder)
>   		intel_ddi_enable_pipe_clock(intel_crtc);
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		skylake_pfit_enable(intel_crtc);
>   	else
>   		ironlake_pfit_enable(intel_crtc);
> @@ -5051,7 +5050,7 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
>   	if (!intel_crtc->config->has_dsi_encoder)
>   		intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		skylake_scaler_disable(intel_crtc);
>   	else
>   		ironlake_pfit_disable(intel_crtc, false);
> @@ -6629,7 +6628,7 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
>   	const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
>   	int clock_limit = dev_priv->max_dotclk_freq;
>
> -	if (INTEL_INFO(dev)->gen < 4) {
> +	if (INTEL_GEN(dev_priv) < 4) {
>   		clock_limit = dev_priv->max_cdclk_freq * 9 / 10;
>
>   		/*
> @@ -6663,7 +6662,7 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
>   	/* Cantiga+ cannot handle modes with a hsync front porch of 0.
>   	 * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw.
>   	 */
> -	if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) &&
> +	if ((INTEL_GEN(dev_priv) > 4 || IS_G4X(dev)) &&
>   		adjusted_mode->crtc_hsync_start == adjusted_mode->crtc_hdisplay)
>   		return -EINVAL;
>
> @@ -7227,7 +7226,7 @@ static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc,
>   	int pipe = crtc->pipe;
>   	enum transcoder transcoder = crtc->config->cpu_transcoder;
>
> -	if (INTEL_INFO(dev)->gen >= 5) {
> +	if (INTEL_GEN(dev_priv) >= 5) {
>   		I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m);
>   		I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n);
>   		I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m);
> @@ -7236,7 +7235,7 @@ static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc,
>   		 * for gen < 8) and if DRRS is supported (to make sure the
>   		 * registers are not unnecessarily accessed).
>   		 */
> -		if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_INFO(dev)->gen < 8) &&
> +		if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_GEN(dev_priv) < 8) &&
>   			crtc->config->has_drrs) {
>   			I915_WRITE(PIPE_DATA_M2(transcoder),
>   					TU_SIZE(m2_n2->tu) | m2_n2->gmch_m);
> @@ -7626,7 +7625,7 @@ static void i9xx_compute_dpll(struct intel_crtc *crtc,
>   		dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
>   		break;
>   	}
> -	if (INTEL_INFO(dev)->gen >= 4)
> +	if (INTEL_GEN(dev_priv) >= 4)
>   		dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
>
>   	if (crtc_state->sdvo_tv_clock)
> @@ -7640,7 +7639,7 @@ static void i9xx_compute_dpll(struct intel_crtc *crtc,
>   	dpll |= DPLL_VCO_ENABLE;
>   	crtc_state->dpll_hw_state.dpll = dpll;
>
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		u32 dpll_md = (crtc_state->pixel_multiplier - 1)
>   			<< DPLL_MD_UDI_MULTIPLIER_SHIFT;
>   		crtc_state->dpll_hw_state.dpll_md = dpll_md;
> @@ -7713,7 +7712,7 @@ static void intel_set_pipe_timings(struct intel_crtc *intel_crtc)
>   			vsyncshift += adjusted_mode->crtc_htotal;
>   	}
>
> -	if (INTEL_INFO(dev)->gen > 3)
> +	if (INTEL_GEN(dev_priv) > 3)
>   		I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift);
>
>   	I915_WRITE(HTOTAL(cpu_transcoder),
> @@ -7882,7 +7881,7 @@ static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
>   	}
>
>   	if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) {
> -		if (INTEL_INFO(dev)->gen < 4 ||
> +		if (INTEL_GEN(dev_priv) < 4 ||
>   		    intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO))
>   			pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
>   		else
> @@ -8094,7 +8093,7 @@ static void i9xx_get_pfit_config(struct intel_crtc *crtc,
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	uint32_t tmp;
>
> -	if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev)))
> +	if (INTEL_GEN(dev_priv) <= 3 && (IS_I830(dev) || !IS_MOBILE(dev)))
>   		return;
>
>   	tmp = I915_READ(PFIT_CONTROL);
> @@ -8102,7 +8101,7 @@ static void i9xx_get_pfit_config(struct intel_crtc *crtc,
>   		return;
>
>   	/* Check whether the pfit is attached to our pipe. */
> -	if (INTEL_INFO(dev)->gen < 4) {
> +	if (INTEL_GEN(dev_priv) < 4) {
>   		if (crtc->pipe != PIPE_B)
>   			return;
>   	} else {
> @@ -8166,7 +8165,7 @@ static void vlv_crtc_clock_get(struct intel_crtc *crtc,
>
>   	fb = &intel_fb->base;
>
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		if (val & DISPPLANE_TILED) {
>   			plane_config->tiling = I915_TILING_X;
>   			fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
> @@ -8178,7 +8177,7 @@ static void vlv_crtc_clock_get(struct intel_crtc *crtc,
>   	fb->pixel_format = fourcc;
>   	fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8;
>
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		if (plane_config->tiling)
>   			offset = I915_READ(DSPTILEOFF(plane));
>   		else
> @@ -8286,7 +8285,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
>   	    (tmp & PIPECONF_COLOR_RANGE_SELECT))
>   		pipe_config->limited_color_range = true;
>
> -	if (INTEL_INFO(dev)->gen < 4)
> +	if (INTEL_GEN(dev_priv) < 4)
>   		pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE;
>
>   	intel_get_pipe_timings(crtc, pipe_config);
> @@ -8294,7 +8293,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
>
>   	i9xx_get_pfit_config(crtc, pipe_config);
>
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		/* No way to read it out on pipes B and C */
>   		if (IS_CHERRYVIEW(dev) && crtc->pipe != PIPE_A)
>   			tmp = dev_priv->chv_dpll_md[crtc->pipe];
> @@ -9074,7 +9073,7 @@ static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc,
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>   	enum pipe pipe = crtc->pipe;
>
> -	if (INTEL_INFO(dev)->gen >= 5) {
> +	if (INTEL_GEN(dev_priv) >= 5) {
>   		m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder));
>   		m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder));
>   		m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder))
> @@ -9086,7 +9085,7 @@ static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc,
>   		 * gen < 8) and if DRRS is supported (to make sure the
>   		 * registers are not unnecessarily read).
>   		 */
> -		if (m2_n2 && INTEL_INFO(dev)->gen < 8 &&
> +		if (m2_n2 && INTEL_GEN(dev_priv) < 8 &&
>   			crtc->config->has_drrs) {
>   			m2_n2->link_m = I915_READ(PIPE_LINK_M2(transcoder));
>   			m2_n2->link_n =	I915_READ(PIPE_LINK_N2(transcoder));
> @@ -9288,7 +9287,7 @@ static void ironlake_get_pfit_config(struct intel_crtc *crtc,
>
>   	fb = &intel_fb->base;
>
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		if (val & DISPPLANE_TILED) {
>   			plane_config->tiling = I915_TILING_X;
>   			fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
> @@ -10110,7 +10109,7 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
>   	 * DDI E. So just check whether this pipe is wired to DDI E and whether
>   	 * the PCH transcoder is on.
>   	 */
> -	if (INTEL_INFO(dev)->gen < 9 &&
> +	if (INTEL_GEN(dev_priv) < 9 &&
>   	    (port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) {
>   		pipe_config->has_pch_encoder = true;
>
> @@ -10161,11 +10160,11 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
>   	pipe_config->gamma_mode =
>   		I915_READ(GAMMA_MODE(crtc->pipe)) & GAMMA_MODE_MODE_MASK;
>
> -	if (INTEL_INFO(dev)->gen >= 9) {
> +	if (INTEL_GEN(dev_priv) >= 9) {
>   		skl_init_scalers(dev, crtc, pipe_config);
>   	}
>
> -	if (INTEL_INFO(dev)->gen >= 9) {
> +	if (INTEL_GEN(dev_priv) >= 9) {
>   		pipe_config->scaler_state.scaler_id = -1;
>   		pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX);
>   	}
> @@ -10173,7 +10172,7 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
>   	power_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe);
>   	if (intel_display_power_get_if_enabled(dev_priv, power_domain)) {
>   		power_domain_mask |= BIT(power_domain);
> -		if (INTEL_INFO(dev)->gen >= 9)
> +		if (INTEL_GEN(dev_priv) >= 9)
>   			skylake_get_pfit_config(crtc, pipe_config);
>   		else
>   			ironlake_get_pfit_config(crtc, pipe_config);
> @@ -11046,7 +11045,7 @@ static bool __pageflip_finished_cs(struct intel_crtc *crtc,
>   	 * really needed there. But since ctg has the registers,
>   	 * include it in the check anyway.
>   	 */
> -	if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev))
> +	if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev))
>   		return true;
>
>   	/*
> @@ -11653,7 +11652,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
>   	 * TILEOFF/LINOFF registers can't be changed via MI display flips.
>   	 * Note that pitch changes could also affect these register.
>   	 */
> -	if (INTEL_INFO(dev)->gen > 3 &&
> +	if (INTEL_GEN(dev_priv) > 3 &&
>   	    (fb->offsets[0] != crtc->primary->fb->offsets[0] ||
>   	     fb->pitches[0] != crtc->primary->fb->pitches[0]))
>   		return -EINVAL;
> @@ -11720,7 +11719,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
>
>   	atomic_inc(&intel_crtc->unpin_work_count);
>
> -	if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev))
> +	if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev))
>   		work->flip_count = I915_READ(PIPE_FLIPCOUNT_G4X(pipe)) + 1;
>
>   	if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
> @@ -11730,7 +11729,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
>   			engine = NULL;
>   	} else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) {
>   		engine = &dev_priv->engine[BCS];
> -	} else if (INTEL_INFO(dev)->gen >= 7) {
> +	} else if (INTEL_GEN(dev_priv) >= 7) {
>   		engine = i915_gem_request_get_engine(obj->last_write_req);
>   		if (engine == NULL || engine->id != RCS)
>   			engine = &dev_priv->engine[BCS];
> @@ -11919,7 +11918,7 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
>   	struct drm_framebuffer *fb = plane_state->fb;
>   	int ret;
>
> -	if (crtc_state && INTEL_INFO(dev)->gen >= 9 &&
> +	if (crtc_state && INTEL_GEN(dev_priv) >= 9 &&
>   	    plane->type != DRM_PLANE_TYPE_CURSOR) {
>   		ret = skl_update_scaler_plane(
>   			to_intel_crtc_state(crtc_state),
> @@ -11987,7 +11986,7 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
>
>   	/* Pre-gen9 platforms need two-step watermark updates */
>   	if ((pipe_config->update_wm_pre || pipe_config->update_wm_post) &&
> -	    INTEL_INFO(dev)->gen < 9 && dev_priv->display.optimize_watermarks)
> +	    INTEL_GEN(dev_priv) < 9 && dev_priv->display.optimize_watermarks)
>   		to_intel_crtc_state(crtc_state)->wm.need_postvbl_update = true;
>
>   	if (visible || was_visible)
> @@ -12123,7 +12122,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
>   			pipe_config->wm.ilk.intermediate = pipe_config->wm.ilk.optimal;
>   	}
>
> -	if (INTEL_INFO(dev)->gen >= 9) {
> +	if (INTEL_GEN(dev_priv) >= 9) {
>   		if (mode_changed)
>   			ret = skl_update_scaler_crtc(pipe_config);
>
> @@ -12928,7 +12927,7 @@ static void verify_wm_state(struct drm_crtc *crtc,
>   	const enum pipe pipe = intel_crtc->pipe;
>   	int plane;
>
> -	if (INTEL_INFO(dev)->gen < 9 || !new_state->active)
> +	if (INTEL_GEN(dev_priv) < 9 || !new_state->active)
>   		return;
>
>   	skl_ddb_get_hw_state(dev_priv, &hw_ddb);
> @@ -14446,7 +14445,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
>   	crtc_state->base.crtc = &intel_crtc->base;
>
>   	/* initialize shared scalers */
> -	if (INTEL_INFO(dev)->gen >= 9) {
> +	if (INTEL_GEN(dev_priv) >= 9) {
>   		if (pipe == PIPE_C)
>   			intel_crtc->num_scalers = 1;
>   		else
> @@ -14475,7 +14474,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
>   	 */
>   	intel_crtc->pipe = pipe;
>   	intel_crtc->plane = pipe;
> -	if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) {
> +	if (HAS_FBC(dev) && INTEL_GEN(dev_priv) < 4) {
>   		DRM_DEBUG_KMS("swapping pipes & planes for FBC\n");
>   		intel_crtc->plane = !pipe;
>   	}
> @@ -14575,7 +14574,7 @@ static bool intel_crt_present(struct drm_device *dev)
>   {
>   	struct drm_i915_private *dev_priv = dev->dev_private;
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		return false;
>
>   	if (IS_HSW_ULT(dev) || IS_BDW_ULT(dev))
> @@ -14892,7 +14891,7 @@ static int intel_framebuffer_init(struct drm_device *dev,
>   	switch (mode_cmd->modifier[0]) {
>   	case I915_FORMAT_MOD_Y_TILED:
>   	case I915_FORMAT_MOD_Yf_TILED:
> -		if (INTEL_INFO(dev)->gen < 9) {
> +		if (INTEL_GEN(dev_priv) < 9) {
>   			DRM_DEBUG("Unsupported tiling 0x%llx!\n",
>   				  mode_cmd->modifier[0]);
>   			return -EINVAL;
> @@ -14940,7 +14939,7 @@ static int intel_framebuffer_init(struct drm_device *dev,
>   	case DRM_FORMAT_ARGB8888:
>   		break;
>   	case DRM_FORMAT_XRGB1555:
> -		if (INTEL_INFO(dev)->gen > 3) {
> +		if (INTEL_GEN(dev_priv) > 3) {
>   			DRM_DEBUG("unsupported pixel format: %s\n",
>   				  drm_get_format_name(mode_cmd->pixel_format));
>   			return -EINVAL;
> @@ -14948,7 +14947,7 @@ static int intel_framebuffer_init(struct drm_device *dev,
>   		break;
>   	case DRM_FORMAT_ABGR8888:
>   		if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) &&
> -		    INTEL_INFO(dev)->gen < 9) {
> +		    INTEL_GEN(dev_priv) < 9) {
>   			DRM_DEBUG("unsupported pixel format: %s\n",
>   				  drm_get_format_name(mode_cmd->pixel_format));
>   			return -EINVAL;
> @@ -14957,7 +14956,7 @@ static int intel_framebuffer_init(struct drm_device *dev,
>   	case DRM_FORMAT_XBGR8888:
>   	case DRM_FORMAT_XRGB2101010:
>   	case DRM_FORMAT_XBGR2101010:
> -		if (INTEL_INFO(dev)->gen < 4) {
> +		if (INTEL_GEN(dev_priv) < 4) {
>   			DRM_DEBUG("unsupported pixel format: %s\n",
>   				  drm_get_format_name(mode_cmd->pixel_format));
>   			return -EINVAL;
> @@ -14974,7 +14973,7 @@ static int intel_framebuffer_init(struct drm_device *dev,
>   	case DRM_FORMAT_UYVY:
>   	case DRM_FORMAT_YVYU:
>   	case DRM_FORMAT_VYUY:
> -		if (INTEL_INFO(dev)->gen < 5) {
> +		if (INTEL_GEN(dev_priv) < 5) {
>   			DRM_DEBUG("unsupported pixel format: %s\n",
>   				  drm_get_format_name(mode_cmd->pixel_format));
>   			return -EINVAL;
> @@ -15747,7 +15746,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
>   	/* We need to sanitize the plane -> pipe mapping first because this will
>   	 * disable the crtc (and hence change the state) if it is wrong. Note
>   	 * that gen4+ has a fixed plane -> pipe mapping.  */
> -	if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) {
> +	if (INTEL_GEN(dev_priv) < 4 && !intel_check_plane_mapping(crtc)) {
>   		bool plane;
>
>   		DRM_DEBUG_KMS("[CRTC:%d:%s] wrong plane connection detected!\n",
> @@ -16278,7 +16277,7 @@ void intel_connector_attach_encoder(struct intel_connector *connector,
>   int intel_modeset_vga_set_state(struct drm_device *dev, bool state)
>   {
>   	struct drm_i915_private *dev_priv = dev->dev_private;
> -	unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL;
> +	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)) {
> @@ -16453,13 +16452,13 @@ struct intel_display_error_state *
>   		err_printf(m, "Plane [%d]:\n", i);
>   		err_printf(m, "  CNTR: %08x\n", error->plane[i].control);
>   		err_printf(m, "  STRIDE: %08x\n", error->plane[i].stride);
> -		if (INTEL_INFO(dev)->gen <= 3) {
> +		if (INTEL_GEN(dev_priv) <= 3) {
>   			err_printf(m, "  SIZE: %08x\n", error->plane[i].size);
>   			err_printf(m, "  POS: %08x\n", error->plane[i].pos);
>   		}
> -		if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev))
> +		if (INTEL_GEN(dev_priv) <= 7 && !IS_HASWELL(dev))
>   			err_printf(m, "  ADDR: %08x\n", error->plane[i].addr);
> -		if (INTEL_INFO(dev)->gen >= 4) {
> +		if (INTEL_GEN(dev_priv) >= 4) {
>   			err_printf(m, "  SURF: %08x\n", error->plane[i].surface);
>   			err_printf(m, "  TILEOFF: %08x\n", error->plane[i].tile_offset);
>   		}
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index f97cd53..72c869b 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -1467,7 +1467,7 @@ void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
>   		intel_fixed_panel_mode(intel_connector->panel.fixed_mode,
>   				       adjusted_mode);
>
> -		if (INTEL_INFO(dev)->gen >= 9) {
> +		if (INTEL_GEN(dev_priv) >= 9) {
>   			int ret;
>   			ret = skl_update_scaler_crtc(pipe_config);
>   			if (ret)
> @@ -2839,7 +2839,7 @@ static void chv_dp_post_pll_disable(struct intel_encoder *encoder)
>
>   	if (IS_BROXTON(dev))
>   		return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
> -	else if (INTEL_INFO(dev)->gen >= 9) {
> +	else if (INTEL_GEN(dev_priv) >= 9) {
>   		if (dev_priv->vbt.edp.low_vswing && port == PORT_A)
>   			return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
>   		return DP_TRAIN_VOLTAGE_SWING_LEVEL_2;
> @@ -3396,7 +3396,7 @@ void intel_dp_set_idle_link_train(struct intel_dp *intel_dp)
>   			DRM_DEBUG_KMS("Detected EDP PSR Panel.\n");
>   		}
>
> -		if (INTEL_INFO(dev)->gen >= 9 &&
> +		if (INTEL_GEN(dev_priv) >= 9 &&
>   			(intel_dp->psr_dpcd[0] & DP_PSR2_IS_SUPPORTED)) {
>   			uint8_t frame_sync_cap;
>
> @@ -4671,7 +4671,7 @@ bool intel_dp_is_edp(struct drm_device *dev, enum port port)
>   	 * eDP not supported on g4x. so bail out early just
>   	 * for a bit extra safety in case the VBT is bonkers.
>   	 */
> -	if (INTEL_INFO(dev)->gen < 5)
> +	if (INTEL_GEN(dev_priv) < 5)
>   		return false;
>
>   	if (port == PORT_A)
> @@ -4985,7 +4985,7 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate)
>   		return;
>   	}
>
> -	if (INTEL_INFO(dev)->gen >= 8 && !IS_CHERRYVIEW(dev)) {
> +	if (INTEL_GEN(dev_priv) >= 8 && !IS_CHERRYVIEW(dev)) {
>   		switch (index) {
>   		case DRRS_HIGH_RR:
>   			intel_dp_set_m_n(intel_crtc, M1_N1);
> @@ -4997,7 +4997,7 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate)
>   		default:
>   			DRM_ERROR("Unsupported refreshrate type\n");
>   		}
> -	} else if (INTEL_INFO(dev)->gen > 6) {
> +	} else if (INTEL_GEN(dev_priv) > 6) {
>   		i915_reg_t reg = PIPECONF(intel_crtc->config->cpu_transcoder);
>   		u32 val;
>
> @@ -5274,7 +5274,7 @@ void intel_edp_drrs_flush(struct drm_device *dev,
>   	INIT_DELAYED_WORK(&dev_priv->drrs.work, intel_edp_drrs_downclock_work);
>   	mutex_init(&dev_priv->drrs.mutex);
>
> -	if (INTEL_INFO(dev)->gen <= 6) {
> +	if (INTEL_GEN(dev_priv) <= 6) {
>   		DRM_DEBUG_KMS("DRRS supported for Gen7 and above\n");
>   		return NULL;
>   	}
> @@ -5429,7 +5429,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
>   	intel_dp->pps_pipe = INVALID_PIPE;
>
>   	/* intel_dp vfuncs */
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		intel_dp->get_aux_clock_divider = skl_get_aux_clock_divider;
>   	else if (IS_HASWELL(dev) || IS_BROADWELL(dev))
>   		intel_dp->get_aux_clock_divider = hsw_get_aux_clock_divider;
> @@ -5438,7 +5438,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
>   	else
>   		intel_dp->get_aux_clock_divider = g4x_get_aux_clock_divider;
>
> -	if (INTEL_INFO(dev)->gen >= 9)
> +	if (INTEL_GEN(dev_priv) >= 9)
>   		intel_dp->get_aux_send_ctl = skl_get_aux_send_ctl;
>   	else
>   		intel_dp->get_aux_send_ctl = g4x_get_aux_send_ctl;
> @@ -5615,7 +5615,7 @@ bool intel_dp_init(struct drm_device *dev,
>   	} else {
>   		intel_encoder->pre_enable = g4x_pre_enable_dp;
>   		intel_encoder->enable = g4x_enable_dp;
> -		if (INTEL_INFO(dev)->gen >= 5)
> +		if (INTEL_GEN(dev_priv) >= 5)
>   			intel_encoder->post_disable = ilk_post_disable_dp;
>   	}
>
> diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
> index c0eff15..fce4052 100644
> --- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
> +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
> @@ -156,7 +156,7 @@ void intel_disable_shared_dpll(struct intel_crtc *crtc)
>   	unsigned crtc_mask = 1 << drm_crtc_index(&crtc->base);
>
>   	/* PCH only available on ILK+ */
> -	if (INTEL_INFO(dev)->gen < 5)
> +	if (INTEL_GEN(dev_priv) < 5)
>   		return;
>
>   	if (pll == NULL)
> diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
> index 62eaa89..ae19a62 100644
> --- a/drivers/gpu/drm/i915/intel_lvds.c
> +++ b/drivers/gpu/drm/i915/intel_lvds.c
> @@ -122,12 +122,12 @@ static void intel_lvds_get_config(struct intel_encoder *encoder,
>
>   	pipe_config->base.adjusted_mode.flags |= flags;
>
> -	if (INTEL_INFO(dev)->gen < 5)
> +	if (INTEL_GEN(dev_priv) < 5)
>   		pipe_config->gmch_pfit.lvds_border_bits =
>   			tmp & LVDS_BORDER_ENABLE;
>
>   	/* gen2/3 store dither state in pfit control, needs to match */
> -	if (INTEL_INFO(dev)->gen < 4) {
> +	if (INTEL_GEN(dev_priv) < 4) {
>   		tmp = I915_READ(PFIT_CONTROL);
>
>   		pipe_config->gmch_pfit.control |= tmp & PANEL_8TO6_DITHER_ENABLE;
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 658a756..6e0a6d9 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -2155,14 +2155,14 @@ static void intel_read_wm_latency(struct drm_device *dev, uint16_t wm[8])
>   		wm[2] = (sskpd >> 12) & 0xFF;
>   		wm[3] = (sskpd >> 20) & 0x1FF;
>   		wm[4] = (sskpd >> 32) & 0x1FF;
> -	} else if (INTEL_INFO(dev)->gen >= 6) {
> +	} else if (INTEL_GEN(dev_priv) >= 6) {
>   		uint32_t sskpd = I915_READ(MCH_SSKPD);
>
>   		wm[0] = (sskpd >> SSKPD_WM0_SHIFT) & SSKPD_WM_MASK;
>   		wm[1] = (sskpd >> SSKPD_WM1_SHIFT) & SSKPD_WM_MASK;
>   		wm[2] = (sskpd >> SSKPD_WM2_SHIFT) & SSKPD_WM_MASK;
>   		wm[3] = (sskpd >> SSKPD_WM3_SHIFT) & SSKPD_WM_MASK;
> -	} else if (INTEL_INFO(dev)->gen >= 5) {
> +	} else if (INTEL_GEN(dev_priv) >= 5) {
>   		uint32_t mltr = I915_READ(MLTR_ILK);
>
>   		/* ILK primary LP0 latency is 700 ns */
> @@ -2367,7 +2367,7 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate)
>   	usable_level = max_level;
>
>   	/* ILK/SNB: LP2+ watermarks only w/o sprites */
> -	if (INTEL_INFO(dev)->gen <= 6 && pipe_wm->sprites_enabled)
> +	if (INTEL_GEN(dev_priv) <= 6 && pipe_wm->sprites_enabled)
>   		usable_level = 1;
>
>   	/* ILK/SNB/IVB: LP1+ watermarks only w/o scaling */
> @@ -2510,12 +2510,12 @@ static void ilk_wm_merge(struct drm_device *dev,
>   	int last_enabled_level = max_level;
>
>   	/* ILK/SNB/IVB: LP1+ watermarks only w/ single pipe */
> -	if ((INTEL_INFO(dev)->gen <= 6 || IS_IVYBRIDGE(dev)) &&
> +	if ((INTEL_GEN(dev_priv) <= 6 || IS_IVYBRIDGE(dev)) &&
>   	    config->num_pipes_active > 1)
>   		last_enabled_level = 0;
>
>   	/* ILK: FBC WM must be disabled always */
> -	merged->fbc_wm_enabled = INTEL_INFO(dev)->gen >= 6;
> +	merged->fbc_wm_enabled = INTEL_GEN(dev_priv) >= 6;
>
>   	/* merge each WM1+ level */
>   	for (level = 1; level <= max_level; level++) {
> @@ -2821,7 +2821,7 @@ static void ilk_write_wm_values(struct drm_i915_private *dev_priv,
>   	    previous->wm_lp_spr[0] != results->wm_lp_spr[0])
>   		I915_WRITE(WM1S_LP_ILK, results->wm_lp_spr[0]);
>
> -	if (INTEL_INFO(dev)->gen >= 7) {
> +	if (INTEL_GEN(dev_priv) >= 7) {
>   		if (dirty & WM_DIRTY_LP(2) && previous->wm_lp_spr[1] != results->wm_lp_spr[1])
>   			I915_WRITE(WM2S_LP_IVB, results->wm_lp_spr[1]);
>   		if (dirty & WM_DIRTY_LP(3) && previous->wm_lp_spr[2] != results->wm_lp_spr[2])
> @@ -4056,7 +4056,7 @@ static void ilk_program_watermarks(struct drm_i915_private *dev_priv)
>   	ilk_wm_merge(dev, &config, &max, &lp_wm_1_2);
>
>   	/* 5/6 split only in single pipe config on IVB+ */
> -	if (INTEL_INFO(dev)->gen >= 7 &&
> +	if (INTEL_GEN(dev_priv) >= 7 &&
>   	    config.num_pipes_active == 1 && config.sprites_enabled) {
>   		ilk_compute_wm_maximums(dev, 1, &config, INTEL_DDB_PART_5_6, &max);
>   		ilk_wm_merge(dev, &config, &max, &lp_wm_5_6);
> @@ -4435,7 +4435,7 @@ void ilk_wm_get_hw_state(struct drm_device *dev)
>   	hw->wm_lp[2] = I915_READ(WM3_LP_ILK);
>
>   	hw->wm_lp_spr[0] = I915_READ(WM1S_LP_ILK);
> -	if (INTEL_INFO(dev)->gen >= 7) {
> +	if (INTEL_GEN(dev_priv) >= 7) {
>   		hw->wm_lp_spr[1] = I915_READ(WM2S_LP_IVB);
>   		hw->wm_lp_spr[2] = I915_READ(WM3S_LP_IVB);
>   	}
> @@ -7537,7 +7537,7 @@ void intel_init_pm(struct drm_device *dev)
>   		i915_ironlake_get_mem_freq(dev);
>
>   	/* For FIFO watermark updates */
> -	if (INTEL_INFO(dev)->gen >= 9) {
> +	if (INTEL_GEN(dev_priv) >= 9) {
>   		skl_setup_wm_latency(dev);
>   		dev_priv->display.update_wm = skl_update_wm;
>   		dev_priv->display.compute_global_watermarks = skl_compute_wm;
> diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
> index 29a09bf..3d9b67a 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -455,7 +455,7 @@ void intel_psr_enable(struct intel_dp *intel_dp)
>   		/* Enable PSR on the panel */
>   		hsw_psr_enable_sink(intel_dp);
>
> -		if (INTEL_INFO(dev)->gen >= 9)
> +		if (INTEL_GEN(dev_priv) >= 9)
>   			intel_psr_activate(intel_dp);
>   	} else {
>   		vlv_psr_setup_vsc(intel_dp);
> @@ -481,7 +481,7 @@ void intel_psr_enable(struct intel_dp *intel_dp)
>   	 *     - On HSW/BDW we get a recoverable frozen screen until next
>   	 *       exit-activate sequence.
>   	 */
> -	if (INTEL_INFO(dev)->gen < 9)
> +	if (INTEL_GEN(dev_priv) < 9)
>   		schedule_delayed_work(&dev_priv->psr.work,
>   				      msecs_to_jiffies(intel_dp->panel_power_cycle_delay * 5));
>
> diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
> index 1a71456..f4e1b74 100644
> --- a/drivers/gpu/drm/i915/intel_sdvo.c
> +++ b/drivers/gpu/drm/i915/intel_sdvo.c
> @@ -1271,13 +1271,13 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder)
>   		return;
>
>   	/* Set the SDVO control regs. */
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		/* The real mode polarity is set by the SDVO commands, using
>   		 * struct intel_sdvo_dtd. */
>   		sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
>   		if (!HAS_PCH_SPLIT(dev) && crtc->config->limited_color_range)
>   			sdvox |= HDMI_COLOR_RANGE_16_235;
> -		if (INTEL_INFO(dev)->gen < 5)
> +		if (INTEL_GEN(dev_priv) < 5)
>   			sdvox |= SDVO_BORDER_ENABLE;
>   	} else {
>   		sdvox = I915_READ(intel_sdvo->sdvo_reg);
> @@ -1296,7 +1296,7 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder)
>   	if (intel_sdvo->has_hdmi_audio)
>   		sdvox |= SDVO_AUDIO_ENABLE;
>
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		/* done in crtc_mode_set as the dpll_md reg must be written early */
>   	} else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
>   		/* done in crtc_mode_set as it lives inside the dpll register */
> @@ -1306,7 +1306,7 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder)
>   	}
>
>   	if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
> -	    INTEL_INFO(dev)->gen < 5)
> +	    INTEL_GEN(dev_priv) < 5)
>   		sdvox |= SDVO_STALL_SELECT;
>   	intel_sdvo_write_sdvox(intel_sdvo, sdvox);
>   }
> diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
> index 1f3a0e1..71a65ef 100644
> --- a/drivers/gpu/drm/i915/intel_tv.c
> +++ b/drivers/gpu/drm/i915/intel_tv.c
> @@ -1099,7 +1099,7 @@ static void intel_tv_pre_enable(struct intel_encoder *encoder)
>
>   	set_color_conversion(dev_priv, color_conversion);
>
> -	if (INTEL_INFO(dev)->gen >= 4)
> +	if (INTEL_GEN(dev_priv) >= 4)
>   		I915_WRITE(TV_CLR_KNOBS, 0x00404000);
>   	else
>   		I915_WRITE(TV_CLR_KNOBS, 0x00606000);
>

A few instances of the small comment I made above, which I think would 
be a good opportunity. Otherwise all looks OK.

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

But needs more acks, since last time we discussed this conclusion was it 
was too much disruption for the benefit.

Regards,

Tvrtko


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