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Fri, 6 Nov 2020 10:14:17 -0500 (EST) From: Maxime Ripard To: Daniel Vetter , David Airlie , Christoph Hellwig Subject: [PATCH 3/7] drm/sun4i: backend: Remove the MBUS quirks Date: Fri, 6 Nov 2020 16:14:07 +0100 Message-Id: <20201106151411.321743-4-maxime@cerno.tech> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201106151411.321743-1-maxime@cerno.tech> References: <20201106151411.321743-1-maxime@cerno.tech> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201106_101420_944708_320B2318 X-CRM114-Status: GOOD ( 17.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, Hans Verkuil , Jernej Skrabec , Thomas Zimmermann , Maarten Lankhorst , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Paul Kocialkowski , Maxime Ripard , Yong Deng , Mauro Carvalho Chehab , Robin Murphy , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that the MBUS quirks are applied by our global notifier, we can remove them from our DRM driver. Suggested-by: Christoph Hellwig Signed-off-by: Maxime Ripard --- drivers/gpu/drm/sun4i/sun4i_backend.c | 19 ------------------- 1 file changed, 19 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index 55960cbb1019..522e51a404cc 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -805,25 +805,6 @@ static int sun4i_backend_bind(struct device *dev, struct device *master, ret = of_dma_configure(drm->dev, dev->of_node, true); if (ret) return ret; - } else { - /* - * If we don't have the interconnect property, most likely - * because of an old DT, we need to set the DMA offset by hand - * on our device since the RAM mapping is at 0 for the DMA bus, - * unlike the CPU. - * - * XXX(hch): this has no business in a driver and needs to move - * to the device tree. - * - * If we have two subsequent calls to dma_direct_set_offset - * returns -EINVAL. Unfortunately, this happens when we have two - * backends in the system, and will result in the driver - * reporting an error while it has been setup properly before. - * Ignore EINVAL, but it should really be removed eventually. - */ - ret = dma_direct_set_offset(drm->dev, PHYS_OFFSET, 0, SZ_4G); - if (ret && ret != -EINVAL) - return ret; } backend->engine.node = dev->of_node; -- 2.28.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel