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Mon, 14 Apr 2025 13:35:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id OARHBC8P/WfQfwAAD6G6ig (envelope-from ); Mon, 14 Apr 2025 13:35:43 +0000 From: Thomas Zimmermann To: thierry.reding@gmail.com, mperttunen@nvidia.com, jonathanh@nvidia.com Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, Thomas Zimmermann Subject: [PATCH 2/2] drm/tegra: Use dma_buf from GEM object instance Date: Mon, 14 Apr 2025 15:31:42 +0200 Message-ID: <20250414133242.567132-3-tzimmermann@suse.de> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250414133242.567132-1-tzimmermann@suse.de> References: <20250414133242.567132-1-tzimmermann@suse.de> Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Level: X-Spamd-Result: default: False [-5.30 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_TO(0.00)[gmail.com,nvidia.com]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TAGGED_RCPT(0.00)[]; ARC_NA(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[6]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email,suse.de:mid,imap1.dmz-prg2.suse.org:helo]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Score: -5.30 X-Spam-Flag: NO Avoid dereferencing struct drm_gem_object.import_attach for the imported dma-buf. The dma_buf field in the GEM object instance refers to the same buffer. Prepares to make import_attach optional. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/tegra/gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index c1695caec956..e17abe63c723 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -527,7 +527,7 @@ void tegra_bo_free_object(struct drm_gem_object *gem) if (drm_gem_is_imported(gem)) { dma_buf_unmap_attachment_unlocked(gem->import_attach, bo->sgt, DMA_TO_DEVICE); - dma_buf_detach(gem->import_attach->dmabuf, gem->import_attach); + dma_buf_detach(gem->dma_buf, gem->import_attach); } } -- 2.49.0