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[2a01:cb00:12bf:fa00:3c9c:a4ed:fdd4:e172]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-439dae45786sm18890466f8f.32.2026.03.08.03.16.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Mar 2026 03:16:21 -0700 (PDT) From: Amin GATTOUT Date: Sun, 08 Mar 2026 11:15:57 +0100 Subject: [PATCH] drm/loongson: use drm_gem_ttm_dumb_map_offset() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260308-master-v1-1-af32d71c8a1d@gmail.com> X-B4-Tracking: v=1; b=H4sIAFxMrWkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDYwML3dzE4pLUIl1TizSD5CQTS6Nk01QloOKCotS0zAqwQdGxtbUAokM nPVgAAAA= To: Sui Jingfeng , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Amin GATTOUT X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1772964981; l=2766; i=amin.gattout@gmail.com; h=from:subject:message-id; bh=eFxzNr5PrfT1jo5pKjIS5kQAx8mJ0kgA3mYlRoLglEM=; b=rnkhjvgGpACrE2+9kB8RCAmhgwFKWWOgS2YZl/Jg9CiJ2VCQGPXGlXiTZrGNwe+wG+yBZl0B+ cZLJ2wlhRRSCmrUIdfCUY4qYisusQR/8lDAsMBbvqP7DDxfsIgfLSrr X-Developer-Key: i=amin.gattout@gmail.com; a=ed25519; pk=C9HM6Jf5d9dPl9fnP9pM/nhMwm+c280ldqYZ0ESu3a8= Replace the open-coded lsdc_dumb_map_offset() with the generic drm_gem_ttm_dumb_map_offset() helper, which is functionally identical. This removes unnecessary boilerplate and aligns with the DRM convention for TTM-based drivers. Signed-off-by: Amin GATTOUT --- drivers/gpu/drm/loongson/lsdc_drv.c | 3 ++- drivers/gpu/drm/loongson/lsdc_gem.c | 15 --------------- drivers/gpu/drm/loongson/lsdc_gem.h | 4 ---- 3 files changed, 2 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/loongson/lsdc_drv.c b/drivers/gpu/drm/loongson/lsdc_drv.c index abf5bf68eec2..1ece1ea42f78 100644 --- a/drivers/gpu/drm/loongson/lsdc_drv.c +++ b/drivers/gpu/drm/loongson/lsdc_drv.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -45,7 +46,7 @@ static const struct drm_driver lsdc_drm_driver = { .debugfs_init = lsdc_debugfs_init, .dumb_create = lsdc_dumb_create, - .dumb_map_offset = lsdc_dumb_map_offset, + .dumb_map_offset = drm_gem_ttm_dumb_map_offset, .gem_prime_import_sg_table = lsdc_prime_import_sg_table, DRM_FBDEV_TTM_DRIVER_OPS, }; diff --git a/drivers/gpu/drm/loongson/lsdc_gem.c b/drivers/gpu/drm/loongson/lsdc_gem.c index 6372db2d3093..2fb03487c983 100644 --- a/drivers/gpu/drm/loongson/lsdc_gem.c +++ b/drivers/gpu/drm/loongson/lsdc_gem.c @@ -234,21 +234,6 @@ int lsdc_dumb_create(struct drm_file *file, struct drm_device *ddev, return 0; } -int lsdc_dumb_map_offset(struct drm_file *filp, struct drm_device *ddev, - u32 handle, uint64_t *offset) -{ - struct drm_gem_object *gobj; - - gobj = drm_gem_object_lookup(filp, handle); - if (!gobj) - return -ENOENT; - - *offset = drm_vma_node_offset_addr(&gobj->vma_node); - - drm_gem_object_put(gobj); - - return 0; -} void lsdc_gem_init(struct drm_device *ddev) { diff --git a/drivers/gpu/drm/loongson/lsdc_gem.h b/drivers/gpu/drm/loongson/lsdc_gem.h index 92cbb10e6e13..96729b3eebec 100644 --- a/drivers/gpu/drm/loongson/lsdc_gem.h +++ b/drivers/gpu/drm/loongson/lsdc_gem.h @@ -14,10 +14,6 @@ lsdc_prime_import_sg_table(struct drm_device *ddev, struct dma_buf_attachment *attach, struct sg_table *sg); -int lsdc_dumb_map_offset(struct drm_file *file, - struct drm_device *dev, - u32 handle, - uint64_t *offset); int lsdc_dumb_create(struct drm_file *file, struct drm_device *ddev, --- base-commit: c23719abc3308df7ed3ad35650ad211fb2d2003d change-id: 20260308-master-58f0cb492c5e Best regards, -- Amin GATTOUT