>-----Original Message----- >From: dri-devel <dri-devel-boun...@lists.freedesktop.org> On Behalf Of >Bernard Zhao >Sent: Thursday, May 7, 2020 5:13 AM >To: Alex Deucher <alexander.deuc...@amd.com>; Christian König ><christian.koe...@amd.com>; David (ChunMing) Zhou ><david1.z...@amd.com>; David Airlie <airl...@linux.ie>; Daniel Vetter ><dan...@ffwll.ch>; Tom St Denis <tom.stde...@amd.com>; Sam Ravnborg ><s...@ravnborg.org>; Ori Messinger <ori.messin...@amd.com>; Bernard >Zhao <bern...@vivo.com>; amd-...@lists.freedesktop.org; dri- >de...@lists.freedesktop.org; linux-ker...@vger.kernel.org >Cc: opensource.ker...@vivo.com >Subject: [PATCH v2] drm/amd/amdgpu: cleanup coding style a bit > >There is DEVICE_ATTR mechanism in separate attribute define. >So this change is to use attr array, also use >sysfs_create_files in init function & sysfs_remove_files in >fini function. >This maybe make the code a bit readable. > >Signed-off-by: Bernard Zhao <bern...@vivo.com> > >Changes since V1: >*Use DEVICE_ATTR mechanism > >Link for V1: >*https://lore.kernel.org/patchwork/patch/1228076/ >--- > drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 43 ++++++------------- >- > 1 file changed, 13 insertions(+), 30 deletions(-) > >diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c >b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c >index 82a3299e53c0..57bbc70662ff 100644 >--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c >+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c >@@ -148,6 +148,15 @@ static DEVICE_ATTR(mem_info_vis_vram_used, >S_IRUGO, > static DEVICE_ATTR(mem_info_vram_vendor, S_IRUGO, > amdgpu_mem_info_vram_vendor, NULL); > >+static struct attribute *amdgpu_vram_mgr_attributes[] = { >+ &dev_attr_mem_info_vram_total.attr, >+ &dev_attr_mem_info_vis_vram_total.attr, >+ &dev_attr_mem_info_vram_used.attr, >+ &dev_attr_mem_info_vis_vram_used.attr, >+ &dev_attr_mem_info_vram_vendor.attr, >+ NULL >+}; >+ > /** > * amdgpu_vram_mgr_init - init VRAM manager and DRM MM > * >@@ -172,31 +181,9 @@ static int amdgpu_vram_mgr_init(struct >ttm_mem_type_manager *man, > man->priv = mgr; > > /* Add the two VRAM-related sysfs files */ >- ret = device_create_file(adev->dev, >&dev_attr_mem_info_vram_total); >- if (ret) { >- DRM_ERROR("Failed to create device file >mem_info_vram_total\n"); >- return ret; >- } >- ret = device_create_file(adev->dev, >&dev_attr_mem_info_vis_vram_total); >- if (ret) { >- DRM_ERROR("Failed to create device file >mem_info_vis_vram_total\n"); >- return ret; >- } >- ret = device_create_file(adev->dev, >&dev_attr_mem_info_vram_used); >- if (ret) { >- DRM_ERROR("Failed to create device file >mem_info_vram_used\n"); >- return ret; >- } >- ret = device_create_file(adev->dev, >&dev_attr_mem_info_vis_vram_used); >- if (ret) { >- DRM_ERROR("Failed to create device file >mem_info_vis_vram_used\n"); >- return ret; >- } >- ret = device_create_file(adev->dev, >&dev_attr_mem_info_vram_vendor); >- if (ret) { >- DRM_ERROR("Failed to create device file >mem_info_vram_vendor\n"); >- return ret; >- } >+ ret = sysfs_create_files(&adev->dev->kobj, >amdgpu_vram_mgr_attributes); >+ if (ret) >+ DRM_ERROR("Failed to register sysfs\n");
This looks good to me. I think that there is a new error macro (drm_err?) that you might want to use instead of DRM_ERROR(). Otherwise: Acked-by: Michael J. Ruhl <michael.j.r...@intel.com> m > > return 0; > } >@@ -219,11 +206,7 @@ static int amdgpu_vram_mgr_fini(struct >ttm_mem_type_manager *man) > spin_unlock(&mgr->lock); > kfree(mgr); > man->priv = NULL; >- device_remove_file(adev->dev, &dev_attr_mem_info_vram_total); >- device_remove_file(adev->dev, >&dev_attr_mem_info_vis_vram_total); >- device_remove_file(adev->dev, &dev_attr_mem_info_vram_used); >- device_remove_file(adev->dev, >&dev_attr_mem_info_vis_vram_used); >- device_remove_file(adev->dev, >&dev_attr_mem_info_vram_vendor); >+ sysfs_remove_files(&adev->dev->kobj, >amdgpu_vram_mgr_attributes); > return 0; > } > >-- >2.26.2 > >_______________________________________________ >dri-devel mailing list >dri-devel@lists.freedesktop.org >https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
