[Intel-xe] [PATCH v2 2/2] drm/xe: Cleanup style warnings and errors

Rodrigo Vivi rodrigo.vivi at intel.com
Wed Jul 19 15:54:59 UTC 2023


On Wed, Jul 19, 2023 at 05:39:45PM +0200, Francois Dugast wrote:
> On Wed, Jul 19, 2023 at 11:25:53AM -0400, Rodrigo Vivi wrote:
> > On Wed, Jul 19, 2023 at 01:51:08PM +0000, Francois Dugast wrote:
> > > Fix 6 errors and 20 warnings reported by checkpatch.pl.
> > > 
> > > Signed-off-by: Francois Dugast <francois.dugast at intel.com>
> > > ---
> > >  .../xe/compat-i915-headers/soc/intel_dram.h   |  5 ++++
> > >  .../xe/compat-i915-headers/soc/intel_pch.h    |  5 ++++
> > >  drivers/gpu/drm/xe/display/xe_plane_initial.c |  2 --
> > >  drivers/gpu/drm/xe/xe_bo.c                    |  2 +-
> > >  drivers/gpu/drm/xe/xe_gt_mcr.c                |  2 +-
> > >  drivers/gpu/drm/xe/xe_gt_sysfs.c              |  4 +---
> > >  drivers/gpu/drm/xe/xe_guc.c                   | 14 +++++------
> > >  drivers/gpu/drm/xe/xe_hw_engine_types.h       |  2 +-
> > >  drivers/gpu/drm/xe/xe_map.h                   |  2 +-
> > >  drivers/gpu/drm/xe/xe_migrate.c               |  2 +-
> > >  drivers/gpu/drm/xe/xe_reg_whitelist.c         | 24 ++++++++++++++-----
> > >  drivers/gpu/drm/xe/xe_res_cursor.h            | 11 ++++-----
> > >  drivers/gpu/drm/xe/xe_wopcm.c                 | 10 ++++----
> > >  13 files changed, 49 insertions(+), 36 deletions(-)
> > > 
> > > diff --git a/drivers/gpu/drm/xe/compat-i915-headers/soc/intel_dram.h b/drivers/gpu/drm/xe/compat-i915-headers/soc/intel_dram.h
> > > index 1532ca7e0af6..65707e20c557 100644
> > > --- a/drivers/gpu/drm/xe/compat-i915-headers/soc/intel_dram.h
> > > +++ b/drivers/gpu/drm/xe/compat-i915-headers/soc/intel_dram.h
> > > @@ -1 +1,6 @@
> > > +/* SPDX-License-Identifier: MIT */
> > > +/*
> > > + * Copyright © 2023 Intel Corporation
> > > + */
> > > +
> > >  #include "../../../i915/soc/intel_dram.h"
> > > diff --git a/drivers/gpu/drm/xe/compat-i915-headers/soc/intel_pch.h b/drivers/gpu/drm/xe/compat-i915-headers/soc/intel_pch.h
> > > index 823803f7e853..9c46556d33a4 100644
> > > --- a/drivers/gpu/drm/xe/compat-i915-headers/soc/intel_pch.h
> > > +++ b/drivers/gpu/drm/xe/compat-i915-headers/soc/intel_pch.h
> > > @@ -1 +1,6 @@
> > > +/* SPDX-License-Identifier: MIT */
> > > +/*
> > > + * Copyright © 2023 Intel Corporation
> > > + */
> > > +
> > >  #include "../../../i915/soc/intel_pch.h"
> > > diff --git a/drivers/gpu/drm/xe/display/xe_plane_initial.c b/drivers/gpu/drm/xe/display/xe_plane_initial.c
> > > index fad4c66a8226..37cba91be10d 100644
> > > --- a/drivers/gpu/drm/xe/display/xe_plane_initial.c
> > > +++ b/drivers/gpu/drm/xe/display/xe_plane_initial.c
> > > @@ -250,8 +250,6 @@ intel_find_initial_plane_obj(struct intel_crtc *crtc,
> > >  	 * pretend the BIOS never had it enabled.
> > >  	 */
> > >  	intel_plane_disable_noatomic(crtc, plane);
> > > -
> > > -	return;
> > >  }
> > >  
> > >  static void plane_config_fini(struct intel_initial_plane_config *plane_config)
> > > diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
> > > index 8e086c9bd309..828a9fea420b 100644
> > > --- a/drivers/gpu/drm/xe/xe_bo.c
> > > +++ b/drivers/gpu/drm/xe/xe_bo.c
> > > @@ -1821,7 +1821,7 @@ int xe_bo_lock(struct xe_bo *bo, struct ww_acquire_ctx *ww,
> > >  	XE_BUG_ON(!ww);
> > >  
> > >  	tv_bo.num_shared = num_resv;
> > > -	tv_bo.bo = &bo->ttm;;
> > > +	tv_bo.bo = &bo->ttm;
> > >  	list_add_tail(&tv_bo.head, &objs);
> > >  
> > >  	return ttm_eu_reserve_buffers(ww, &objs, intr, &dups);
> > > diff --git a/drivers/gpu/drm/xe/xe_gt_mcr.c b/drivers/gpu/drm/xe/xe_gt_mcr.c
> > > index ff4075387564..c56815af0686 100644
> > > --- a/drivers/gpu/drm/xe/xe_gt_mcr.c
> > > +++ b/drivers/gpu/drm/xe/xe_gt_mcr.c
> > > @@ -273,7 +273,7 @@ static void init_steering_inst0(struct xe_gt *gt)
> > >  
> > >  static const struct {
> > >  	const char *name;
> > > -	void (*init)(struct xe_gt *);
> > > +	void (*init)(struct xe_gt *gt);
> > >  } xe_steering_types[] = {
> > >  	[L3BANK] =	{ "L3BANK",	init_steering_l3bank },
> > >  	[MSLICE] =	{ "MSLICE",	init_steering_mslice },
> > > diff --git a/drivers/gpu/drm/xe/xe_gt_sysfs.c b/drivers/gpu/drm/xe/xe_gt_sysfs.c
> > > index b955940e8dc6..c69d2e8a0fe1 100644
> > > --- a/drivers/gpu/drm/xe/xe_gt_sysfs.c
> > > +++ b/drivers/gpu/drm/xe/xe_gt_sysfs.c
> > > @@ -37,10 +37,8 @@ void xe_gt_sysfs_init(struct xe_gt *gt)
> > >  	int err;
> > >  
> > >  	kg = kzalloc(sizeof(*kg), GFP_KERNEL);
> > > -	if (!kg) {
> > > -		drm_warn(&xe->drm, "Allocating kobject failed.\n");
> > 
> > why is this getting removed?
> > 
> > I know, it should probably be replaced by a drm_err instead of
> > warn, but what's the checkpatch complain here?
> 
> The issue reported by checkpatch is:
> 
> 	WARNING:OOM_MESSAGE: Possible unnecessary 'out of memory' message
> 	#41: FILE: drivers/gpu/drm/xe/xe_gt_sysfs.c:41:
> 	+       if (!kg) {
> 	+               drm_warn(&xe->drm, "Allocating kobject failed.\n");
> 
> I think it is valid.

oh, indeed

Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>

> 
> Francois
> 
> > 
> > > +	if (!kg)
> > >  		return;
> > > -	}
> > >  
> > >  	kobject_init(&kg->base, &xe_gt_sysfs_kobj_type);
> > >  	kg->gt = gt;
> > > diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c
> > > index ed90d738d673..8ae026838702 100644
> > > --- a/drivers/gpu/drm/xe/xe_guc.c
> > > +++ b/drivers/gpu/drm/xe/xe_guc.c
> > > @@ -396,14 +396,12 @@ static int guc_wait_ucode(struct xe_guc *guc)
> > >  		struct drm_printer p = drm_info_printer(drm->dev);
> > >  
> > >  		drm_info(drm, "GuC load failed: status = 0x%08X\n", status);
> > > -		drm_info(drm, "GuC load failed: status: Reset = %d, "
> > > -			"BootROM = 0x%02X, UKernel = 0x%02X, "
> > > -			"MIA = 0x%02X, Auth = 0x%02X\n",
> > > -			REG_FIELD_GET(GS_MIA_IN_RESET, status),
> > > -			REG_FIELD_GET(GS_BOOTROM_MASK, status),
> > > -			REG_FIELD_GET(GS_UKERNEL_MASK, status),
> > > -			REG_FIELD_GET(GS_MIA_MASK, status),
> > > -			REG_FIELD_GET(GS_AUTH_STATUS_MASK, status));
> > > +		drm_info(drm, "GuC load failed: status: Reset = %d, BootROM = 0x%02X, UKernel = 0x%02X, MIA = 0x%02X, Auth = 0x%02X\n",
> > > +			 REG_FIELD_GET(GS_MIA_IN_RESET, status),
> > > +			 REG_FIELD_GET(GS_BOOTROM_MASK, status),
> > > +			 REG_FIELD_GET(GS_UKERNEL_MASK, status),
> > > +			 REG_FIELD_GET(GS_MIA_MASK, status),
> > > +			 REG_FIELD_GET(GS_AUTH_STATUS_MASK, status));
> > >  
> > >  		if ((status & GS_BOOTROM_MASK) == GS_BOOTROM_RSA_FAILED) {
> > >  			drm_info(drm, "GuC firmware signature verification failed\n");
> > > diff --git a/drivers/gpu/drm/xe/xe_hw_engine_types.h b/drivers/gpu/drm/xe/xe_hw_engine_types.h
> > > index d788e67312b9..803d557cf5aa 100644
> > > --- a/drivers/gpu/drm/xe/xe_hw_engine_types.h
> > > +++ b/drivers/gpu/drm/xe/xe_hw_engine_types.h
> > > @@ -104,7 +104,7 @@ struct xe_hw_engine {
> > >  	/** @fence_irq: fence IRQ to run when a hw engine IRQ is received */
> > >  	struct xe_hw_fence_irq *fence_irq;
> > >  	/** @irq_handler: IRQ handler to run when hw engine IRQ is received */
> > > -	void (*irq_handler)(struct xe_hw_engine *, u16);
> > > +	void (*irq_handler)(struct xe_hw_engine *hwe, u16 intr_vec);
> > >  	/** @engine_id: id  for this hw engine */
> > >  	enum xe_hw_engine_id engine_id;
> > >  };
> > > diff --git a/drivers/gpu/drm/xe/xe_map.h b/drivers/gpu/drm/xe/xe_map.h
> > > index 032c2e8b5438..f62e0c8b67ab 100644
> > > --- a/drivers/gpu/drm/xe/xe_map.h
> > > +++ b/drivers/gpu/drm/xe/xe_map.h
> > > @@ -1,4 +1,4 @@
> > > -// SPDX-License-Identifier: MIT
> > > +/* SPDX-License-Identifier: MIT */
> > >  /*
> > >   * Copyright © 2022 Intel Corporation
> > >   */
> > > diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c
> > > index 2bb7d524af24..4c6f299fd024 100644
> > > --- a/drivers/gpu/drm/xe/xe_migrate.c
> > > +++ b/drivers/gpu/drm/xe/xe_migrate.c
> > > @@ -475,7 +475,7 @@ static void emit_pte(struct xe_migrate *m,
> > >  			bb->cs[bb->len++] = lower_32_bits(addr);
> > >  			bb->cs[bb->len++] = upper_32_bits(addr);
> > >  
> > > -			xe_res_next(cur, min(size, (u32)PAGE_SIZE));
> > > +			xe_res_next(cur, min_t(u32, size, PAGE_SIZE));
> > >  			cur_ofs += 8;
> > >  		}
> > >  	}
> > > diff --git a/drivers/gpu/drm/xe/xe_reg_whitelist.c b/drivers/gpu/drm/xe/xe_reg_whitelist.c
> > > index ea6dd7d71b59..e83781f9a516 100644
> > > --- a/drivers/gpu/drm/xe/xe_reg_whitelist.c
> > > +++ b/drivers/gpu/drm/xe/xe_reg_whitelist.c
> > > @@ -89,18 +89,30 @@ void xe_reg_whitelist_print_entry(struct drm_printer *p, unsigned int indent,
> > >  	deny = val & RING_FORCE_TO_NONPRIV_DENY;
> > >  
> > >  	switch (val & RING_FORCE_TO_NONPRIV_RANGE_MASK) {
> > > -	case RING_FORCE_TO_NONPRIV_RANGE_4: range_bit = 4; break;
> > > -	case RING_FORCE_TO_NONPRIV_RANGE_16: range_bit = 6; break;
> > > -	case RING_FORCE_TO_NONPRIV_RANGE_64: range_bit = 8; break;
> > > +	case RING_FORCE_TO_NONPRIV_RANGE_4:
> > > +		range_bit = 4;
> > > +		break;
> > > +	case RING_FORCE_TO_NONPRIV_RANGE_16:
> > > +		range_bit = 6;
> > > +		break;
> > > +	case RING_FORCE_TO_NONPRIV_RANGE_64:
> > > +		range_bit = 8;
> > > +		break;
> > >  	}
> > >  
> > >  	range_start = reg & REG_GENMASK(25, range_bit);
> > >  	range_end = range_start | REG_GENMASK(range_bit, 0);
> > >  
> > >  	switch (val & RING_FORCE_TO_NONPRIV_ACCESS_MASK) {
> > > -	case RING_FORCE_TO_NONPRIV_ACCESS_RW: access_str = "rw"; break;
> > > -	case RING_FORCE_TO_NONPRIV_ACCESS_RD: access_str = "read"; break;
> > > -	case RING_FORCE_TO_NONPRIV_ACCESS_WR: access_str = "write"; break;
> > > +	case RING_FORCE_TO_NONPRIV_ACCESS_RW:
> > > +		access_str = "rw";
> > > +		break;
> > > +	case RING_FORCE_TO_NONPRIV_ACCESS_RD:
> > > +		access_str = "read";
> > > +		break;
> > > +	case RING_FORCE_TO_NONPRIV_ACCESS_WR:
> > > +		access_str = "write";
> > > +		break;
> > >  	}
> > >  
> > >  	drm_printf_indent(p, indent, "REG[0x%x-0x%x]: %s %s access\n",
> > > diff --git a/drivers/gpu/drm/xe/xe_res_cursor.h b/drivers/gpu/drm/xe/xe_res_cursor.h
> > > index 2a6fdd284395..dda963fe3300 100644
> > > --- a/drivers/gpu/drm/xe/xe_res_cursor.h
> > > +++ b/drivers/gpu/drm/xe/xe_res_cursor.h
> > > @@ -51,15 +51,14 @@ struct xe_res_cursor {
> > >  static struct drm_buddy *xe_res_get_buddy(struct ttm_resource *res)
> > >  {
> > >  	struct xe_device *xe = ttm_to_xe_device(res->bo->bdev);
> > > +	struct ttm_resource_manager *mgr;
> > >  
> > > -	if (res->mem_type != XE_PL_STOLEN) {
> > > +	if (res->mem_type != XE_PL_STOLEN)
> > >  		return &xe->tiles[res->mem_type - XE_PL_VRAM0].mem.vram_mgr->mm;
> > > -	} else {
> > > -		struct ttm_resource_manager *mgr =
> > > -			ttm_manager_type(&xe->ttm, XE_PL_STOLEN);
> > >  
> > > -		return &to_xe_ttm_vram_mgr(mgr)->mm;
> > > -	}
> > > +	mgr = ttm_manager_type(&xe->ttm, XE_PL_STOLEN);
> > > +
> > > +	return &to_xe_ttm_vram_mgr(mgr)->mm;
> > >  }
> > >  
> > >  /**
> > > diff --git a/drivers/gpu/drm/xe/xe_wopcm.c b/drivers/gpu/drm/xe/xe_wopcm.c
> > > index 35fde8965bca..d9acf8783b83 100644
> > > --- a/drivers/gpu/drm/xe/xe_wopcm.c
> > > +++ b/drivers/gpu/drm/xe/xe_wopcm.c
> > > @@ -47,12 +47,10 @@
> > >   */
> > >  
> > >  /* Default WOPCM size is 2MB from Gen11, 1MB on previous platforms */
> > > -#define DGFX_WOPCM_SIZE			SZ_4M	/* FIXME: Larger size require
> > > -						   for 2 tile PVC, do a proper
> > > -						   probe sooner or later */
> > > -#define MTL_WOPCM_SIZE			SZ_4M	/* FIXME: Larger size require
> > > -						   for MTL, do a proper probe
> > > -						   sooner or later */
> > > +/* FIXME: Larger size require for 2 tile PVC, do a proper probe sooner or later */
> > > +#define DGFX_WOPCM_SIZE			SZ_4M
> > > +/* FIXME: Larger size require for MTL, do a proper probe sooner or later */
> > > +#define MTL_WOPCM_SIZE			SZ_4M
> > >  #define GEN11_WOPCM_SIZE		SZ_2M
> > >  
> > >  #define GEN12_MAX_WOPCM_SIZE            SZ_8M
> > > -- 
> > > 2.34.1
> > > 


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