[Intel-xe] [PATCH] drm/xe: Encapsulate all the module parameters

Lucas De Marchi lucas.demarchi at intel.com
Fri Nov 3 03:48:36 UTC 2023


On Thu, Nov 02, 2023 at 07:51:02PM +0000, Bommithi Sakeena wrote:
>Encapsulate all the module paramters in one single global struct
>variable. This also removes the extra xe_module.h from includes.
>
>v2: naming consistency as suggested by Jani and Lucas
>
>Cc: Jani Nikula <jani.nikula at linux.intel.com>
>Cc: Lucas De Marchi <lucas.demarchi at intel.com>
>Signed-off-by: Bommithi Sakeena <bommithi.sakeena at intel.com>


Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>

thanks
Lucas De Marchi

>---
> drivers/gpu/drm/xe/xe_device.c  |  2 +-
> drivers/gpu/drm/xe/xe_display.c |  4 ++--
> drivers/gpu/drm/xe/xe_guc_log.c |  2 +-
> drivers/gpu/drm/xe/xe_mmio.c    |  2 +-
> drivers/gpu/drm/xe/xe_module.c  | 29 ++++++++++++++---------------
> drivers/gpu/drm/xe/xe_module.h  | 23 ++++++++++++++++-------
> drivers/gpu/drm/xe/xe_pci.c     |  6 +++---
> drivers/gpu/drm/xe/xe_uc_fw.c   |  6 +++---
> 8 files changed, 41 insertions(+), 33 deletions(-)
>
>diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
>index 8341acf66e5f..5e682ba68ec4 100644
>--- a/drivers/gpu/drm/xe/xe_device.c
>+++ b/drivers/gpu/drm/xe/xe_device.c
>@@ -223,7 +223,7 @@ struct xe_device *xe_device_create(struct pci_dev *pdev,
>
> 	xe->info.devid = pdev->device;
> 	xe->info.revid = pdev->revision;
>-	xe->info.force_execlist = force_execlist;
>+	xe->info.force_execlist = xe_modparam.force_execlist;
>
> 	spin_lock_init(&xe->irq.lock);
>
>diff --git a/drivers/gpu/drm/xe/xe_display.c b/drivers/gpu/drm/xe/xe_display.c
>index da10f16e1c12..74391d9b11ae 100644
>--- a/drivers/gpu/drm/xe/xe_display.c
>+++ b/drivers/gpu/drm/xe/xe_display.c
>@@ -45,7 +45,7 @@ static bool has_display(struct xe_device *xe)
>  */
> bool xe_display_driver_probe_defer(struct pci_dev *pdev)
> {
>-	if (!enable_display)
>+	if (!xe_modparam.enable_display)
> 		return 0;
>
> 	return intel_display_driver_probe_defer(pdev);
>@@ -69,7 +69,7 @@ static void xe_display_last_close(struct drm_device *dev)
>  */
> void xe_display_driver_set_hooks(struct drm_driver *driver)
> {
>-	if (!enable_display)
>+	if (!xe_modparam.enable_display)
> 		return;
>
> 	driver->driver_features |= DRIVER_MODESET | DRIVER_ATOMIC;
>diff --git a/drivers/gpu/drm/xe/xe_guc_log.c b/drivers/gpu/drm/xe/xe_guc_log.c
>index 45c60a9c631c..27c3827bfd05 100644
>--- a/drivers/gpu/drm/xe/xe_guc_log.c
>+++ b/drivers/gpu/drm/xe/xe_guc_log.c
>@@ -100,7 +100,7 @@ int xe_guc_log_init(struct xe_guc_log *log)
>
> 	xe_map_memset(xe, &bo->vmap, 0, 0, guc_log_size());
> 	log->bo = bo;
>-	log->level = xe_guc_log_level;
>+	log->level = xe_modparam.guc_log_level;
>
> 	err = drmm_add_action_or_reset(&xe->drm, guc_log_fini, log);
> 	if (err)
>diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c
>index 0da4f75c07bf..9f5a7e1bd695 100644
>--- a/drivers/gpu/drm/xe/xe_mmio.c
>+++ b/drivers/gpu/drm/xe/xe_mmio.c
>@@ -73,7 +73,7 @@ _resize_bar(struct xe_device *xe, int resno, resource_size_t size)
>  */
> static void xe_resize_vram_bar(struct xe_device *xe)
> {
>-	u64 force_vram_bar_size = xe_force_vram_bar_size;
>+	u64 force_vram_bar_size = xe_modparam.force_vram_bar_size;
> 	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
> 	struct pci_bus *root = pdev->bus;
> 	resource_size_t current_size;
>diff --git a/drivers/gpu/drm/xe/xe_module.c b/drivers/gpu/drm/xe/xe_module.c
>index 7194595e7f31..1ea883f48c63 100644
>--- a/drivers/gpu/drm/xe/xe_module.c
>+++ b/drivers/gpu/drm/xe/xe_module.c
>@@ -10,39 +10,38 @@
>
> #include "xe_drv.h"
> #include "xe_hw_fence.h"
>-#include "xe_module.h"
> #include "xe_pci.h"
> #include "xe_pmu.h"
> #include "xe_sched_job.h"
>
>-bool force_execlist = false;
>-module_param_named_unsafe(force_execlist, force_execlist, bool, 0444);
>+struct xe_modparam xe_modparam = {
>+	.enable_display = true,
>+	.guc_log_level = 5,
>+	.force_probe = CONFIG_DRM_XE_FORCE_PROBE,
>+	/* the rest are 0 by default */
>+};
>+
>+module_param_named_unsafe(force_execlist, xe_modparam.force_execlist, bool, 0444);
> MODULE_PARM_DESC(force_execlist, "Force Execlist submission");
>
>-bool enable_display = true;
>-module_param_named(enable_display, enable_display, bool, 0444);
>+module_param_named(enable_display, xe_modparam.enable_display, bool, 0444);
> MODULE_PARM_DESC(enable_display, "Enable display");
>
>-u32 xe_force_vram_bar_size;
>-module_param_named(vram_bar_size, xe_force_vram_bar_size, uint, 0600);
>+module_param_named(vram_bar_size, xe_modparam.force_vram_bar_size, uint, 0600);
> MODULE_PARM_DESC(vram_bar_size, "Set the vram bar size(in MiB)");
>
>-int xe_guc_log_level = 5;
>-module_param_named(guc_log_level, xe_guc_log_level, int, 0600);
>+module_param_named(guc_log_level, xe_modparam.guc_log_level, int, 0600);
> MODULE_PARM_DESC(guc_log_level, "GuC firmware logging level (0=disable, 1..5=enable with verbosity min..max)");
>
>-char *xe_guc_firmware_path;
>-module_param_named_unsafe(guc_firmware_path, xe_guc_firmware_path, charp, 0400);
>+module_param_named_unsafe(guc_firmware_path, xe_modparam.guc_firmware_path, charp, 0400);
> MODULE_PARM_DESC(guc_firmware_path,
> 		 "GuC firmware path to use instead of the default one");
>
>-char *xe_huc_firmware_path;
>-module_param_named_unsafe(huc_firmware_path, xe_huc_firmware_path, charp, 0400);
>+module_param_named_unsafe(huc_firmware_path, xe_modparam.huc_firmware_path, charp, 0400);
> MODULE_PARM_DESC(huc_firmware_path,
> 		 "HuC firmware path to use instead of the default one - empty string disables");
>
>-char *xe_param_force_probe = CONFIG_DRM_XE_FORCE_PROBE;
>-module_param_named_unsafe(force_probe, xe_param_force_probe, charp, 0400);
>+module_param_named_unsafe(force_probe, xe_modparam.force_probe, charp, 0400);
> MODULE_PARM_DESC(force_probe,
> 		 "Force probe options for specified devices. See CONFIG_DRM_XE_FORCE_PROBE for details.");
>
>diff --git a/drivers/gpu/drm/xe/xe_module.h b/drivers/gpu/drm/xe/xe_module.h
>index e1da1e9ca5cb..def912235007 100644
>--- a/drivers/gpu/drm/xe/xe_module.h
>+++ b/drivers/gpu/drm/xe/xe_module.h
>@@ -3,13 +3,22 @@
>  * Copyright © 2023 Intel Corporation
>  */
>
>+#ifndef _XE_MODULE_H_
>+#define _XE_MODULE_H_
>+
> #include <linux/types.h>
>
> /* Module modprobe variables */
>-extern bool force_execlist;
>-extern bool enable_display;
>-extern u32 xe_force_vram_bar_size;
>-extern int xe_guc_log_level;
>-extern char *xe_guc_firmware_path;
>-extern char *xe_huc_firmware_path;
>-extern char *xe_param_force_probe;
>+struct xe_modparam {
>+        bool force_execlist;
>+        bool enable_display;
>+        u32 force_vram_bar_size;
>+        int guc_log_level;
>+        char *guc_firmware_path;
>+        char *huc_firmware_path;
>+        char *force_probe;
>+};
>+extern struct xe_modparam xe_modparam;
>+
>+#endif
>+
>diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
>index 2fae45b9d88e..9de5bac4a5f3 100644
>--- a/drivers/gpu/drm/xe/xe_pci.c
>+++ b/drivers/gpu/drm/xe/xe_pci.c
>@@ -417,12 +417,12 @@ static bool device_id_in_list(u16 device_id, const char *devices, bool negative)
>
> static bool id_forced(u16 device_id)
> {
>-	return device_id_in_list(device_id, xe_param_force_probe, false);
>+	return device_id_in_list(device_id, xe_modparam.force_probe, false);
> }
>
> static bool id_blocked(u16 device_id)
> {
>-	return device_id_in_list(device_id, xe_param_force_probe, true);
>+	return device_id_in_list(device_id, xe_modparam.force_probe, true);
> }
>
> static const struct xe_subplatform_desc *
>@@ -591,7 +591,7 @@ static int xe_info_init(struct xe_device *xe,
> 	xe->info.has_range_tlb_invalidation = graphics_desc->has_range_tlb_invalidation;
>
> 	xe->info.enable_display = IS_ENABLED(CONFIG_DRM_XE_DISPLAY) &&
>-				  enable_display &&
>+				  xe_modparam.enable_display &&
> 				  desc->has_display;
> 	/*
> 	 * All platforms have at least one primary GT.  Any platform with media
>diff --git a/drivers/gpu/drm/xe/xe_uc_fw.c b/drivers/gpu/drm/xe/xe_uc_fw.c
>index 3032c4f148d4..25778887d846 100644
>--- a/drivers/gpu/drm/xe/xe_uc_fw.c
>+++ b/drivers/gpu/drm/xe/xe_uc_fw.c
>@@ -220,11 +220,11 @@ uc_fw_override(struct xe_uc_fw *uc_fw)
> 	/* empty string disables, but it's not allowed for GuC */
> 	switch (uc_fw->type) {
> 	case XE_UC_FW_TYPE_GUC:
>-		if (xe_guc_firmware_path && *xe_guc_firmware_path)
>-			path_override = xe_guc_firmware_path;
>+		if (xe_modparam.guc_firmware_path && *xe_modparam.guc_firmware_path)
>+			path_override = xe_modparam.guc_firmware_path;
> 		break;
> 	case XE_UC_FW_TYPE_HUC:
>-		path_override = xe_huc_firmware_path;
>+		path_override = xe_modparam.huc_firmware_path;
> 		break;
> 	default:
> 		break;
>-- 
>2.34.1
>


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