linux-kernel - [PATCH v3 3/7] drm/amdgpu: Switch to fdinfo helper

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Message-Id: <20230411225725.2032862-4-robdclark@gmail.com>
Date:   Tue, 11 Apr 2023 15:56:08 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Christopher Healy <healych@...zon.com>,
        Emil Velikov <emil.l.velikov@...il.com>,
        Rob Clark <robdclark@...omium.org>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Hawking Zhang <Hawking.Zhang@....com>,
        Evan Quan <evan.quan@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        Guchun Chen <guchun.chen@....com>,
        YiPeng Chai <YiPeng.Chai@....com>,
        Michel Dänzer <mdaenzer@...hat.com>,
        Shashank Sharma <shashank.sharma@....com>,
        Tvrtko Ursulin <tvrtko.ursulin@...el.com>,
        Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@....com>,
        amd-gfx@...ts.freedesktop.org (open list:RADEON and AMDGPU DRM DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v3 3/7] drm/amdgpu: Switch to fdinfo helper

From: Rob Clark <robdclark@...omium.org>

Signed-off-by: Rob Clark <robdclark@...omium.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c    |  3 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c | 16 ++++++----------
 drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.h |  2 +-
 3 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index f5ffca24def4..3611cfd5f076 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2752,7 +2752,7 @@ static const struct file_operations amdgpu_driver_kms_fops = {
 	.compat_ioctl = amdgpu_kms_compat_ioctl,
 #endif
 #ifdef CONFIG_PROC_FS
-	.show_fdinfo = amdgpu_show_fdinfo
+	.show_fdinfo = drm_fop_show_fdinfo,
 #endif
 };
 
@@ -2807,6 +2807,7 @@ static const struct drm_driver amdgpu_kms_driver = {
 	.dumb_map_offset = amdgpu_mode_dumb_mmap,
 	.fops = &amdgpu_driver_kms_fops,
 	.release = &amdgpu_driver_release_kms,
+	.show_fdinfo = amdgpu_show_fdinfo,
 
 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
index 99a7855ab1bc..c2fdd5e448d1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
@@ -53,9 +53,8 @@ static const char *amdgpu_ip_name[AMDGPU_HW_IP_NUM] = {
 	[AMDGPU_HW_IP_VCN_JPEG]	=	"jpeg",
 };
 
-void amdgpu_show_fdinfo(struct seq_file *m, struct file *f)
+void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file)
 {
-	struct drm_file *file = f->private_data;
 	struct amdgpu_device *adev = drm_to_adev(file->minor->dev);
 	struct amdgpu_fpriv *fpriv = file->driver_priv;
 	struct amdgpu_vm *vm = &fpriv->vm;
@@ -86,18 +85,15 @@ void amdgpu_show_fdinfo(struct seq_file *m, struct file *f)
 	 * ******************************************************************
 	 */
 
-	seq_printf(m, "pasid:\t%u\n", fpriv->vm.pasid);
-	seq_printf(m, "drm-driver:\t%s\n", file->minor->dev->driver->name);
-	seq_printf(m, "drm-pdev:\t%04x:%02x:%02x.%d\n", domain, bus, dev, fn);
-	seq_printf(m, "drm-client-id:\t%Lu\n", vm->immediate.fence_context);
-	seq_printf(m, "drm-memory-vram:\t%llu KiB\n", vram_mem/1024UL);
-	seq_printf(m, "drm-memory-gtt: \t%llu KiB\n", gtt_mem/1024UL);
-	seq_printf(m, "drm-memory-cpu: \t%llu KiB\n", cpu_mem/1024UL);
+	drm_printf(p, "pasid:\t%u\n", fpriv->vm.pasid);
+	drm_printf(p, "drm-memory-vram:\t%llu KiB\n", vram_mem/1024UL);
+	drm_printf(p, "drm-memory-gtt: \t%llu KiB\n", gtt_mem/1024UL);
+	drm_printf(p, "drm-memory-cpu: \t%llu KiB\n", cpu_mem/1024UL);
 	for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
 		if (!usage[hw_ip])
 			continue;
 
-		seq_printf(m, "drm-engine-%s:\t%Ld ns\n", amdgpu_ip_name[hw_ip],
+		drm_printf(p, "drm-engine-%s:\t%Ld ns\n", amdgpu_ip_name[hw_ip],
 			   ktime_to_ns(usage[hw_ip]));
 	}
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.h
index e86834bfea1d..0398f5a159ef 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.h
@@ -37,6 +37,6 @@
 #include "amdgpu_ids.h"
 
 uint32_t amdgpu_get_ip_count(struct amdgpu_device *adev, int id);
-void amdgpu_show_fdinfo(struct seq_file *m, struct file *f);
+void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file);
 
 #endif
-- 
2.39.2