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

Rodrigo Vivi rodrigo.vivi at intel.com
Wed Jul 19 15:25:53 UTC 2023


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?

> +	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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