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Howlett" , Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Trevor Gross , Danilo Krummrich , David Airlie , Simona Vetter , Daniel Almeida Cc: linux-mm@kvack.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, boris.brezillon@collabora.com, beata.michalska@arm.com, lyude@redhat.com, acourbot@nvidia.com, work@onurozkan.dev, alvin.sun@linux.dev, Laura Nao , Deborah Brouwer X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1922; i=deborah.brouwer@collabora.com; h=from:subject:message-id; bh=sq2B5J6Q8s2C6YbTn20oeUOAg0Lb4q68cApUEcd8JXg=; b=owGbwMvMwCVWuULzOU9c7WvG02pJDJl/FSUvsz9WfGfwS5Jjx1Zmkz0/XLLjDbkc+TduP+ZuX m7UsulWRykLgxgXg6yYIstZe6Me8ar3Rrrz/zfDzGFlAhnCwMUpABNZ5MXIMC93xowtChndQWsN e+dY/FieVXkzatv+598ueVtq3/u4ZCrD/zAe/ySGIMPGyVksp+w6WLfffZu8LfwFz7amKXtLy3c vZQMA X-Developer-Key: i=deborah.brouwer@collabora.com; a=openpgp; fpr=CD3F328C177AEF322D9FFF8379A829E70C5E7DEB X-Rspam-User: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 87681120010 X-Stat-Signature: t5xqk511qc5j3ou8iko98tsz67y8smzp X-HE-Tag: 1778196778-691172 X-HE-Meta: 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 86/XG3ya d2y68jEJTBb0YoMNmOpEcNI46ob6Wgg8NVGiZAZkVkUxxcdpPngvPiBdAtl5GucjnQr5jFMwH0JyBgU1KrlYettQWNZga8P5FYP3/+XUKSjRGzBvqsAUrdwE7DDwBH1VYSIPs0mqGGuBHvibjlqkRqpDTnwMfKX0uzu0xN62PicvhdqQzweHTcph+7Uv4exkJETDpZEJyKart45LRnLIKSuJPNojel6A56PX6F2l9Ij8xHL6jKY5A7rM+wa/1KKq4eB9Sni5wNcnZyngf5Lx7Nwj9iVyKzcThsWxJKipnUEe/WJT5iQdsi1dXIfHtvHgscQ6Ym1X0jPUpkz/pNHBJsqd2+KJUiAau45etxP+4PgV7THY= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Store the physical base address of the GPU MMIO region in TyrDrmDeviceData. This will be used by the Panthor userspace-MMIO mmap path to derive the physical PFNs inserted into userspace VMAs for USER register page mappings. Co-developed-by: Daniel Almeida Signed-off-by: Daniel Almeida Signed-off-by: Deborah Brouwer --- drivers/gpu/drm/tyr/driver.rs | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tyr/driver.rs b/drivers/gpu/drm/tyr/driver.rs index e20a5978eed6..2ba0a22a225b 100644 --- a/drivers/gpu/drm/tyr/driver.rs +++ b/drivers/gpu/drm/tyr/driver.rs @@ -19,7 +19,8 @@ drm::ioctl, io::{ poll, - Io, // + Io, + PhysAddr, // }, new_mutex, of, @@ -60,6 +61,9 @@ pub(crate) struct TyrPlatformDriverData { pub(crate) struct TyrDrmDeviceData { pub(crate) pdev: ARef, + /// Physical base address of the MMIO region. + pub(crate) mmio_phys_addr: PhysAddr, + #[pin] clks: Mutex, @@ -119,6 +123,7 @@ fn probe( let mali_regulator = Regulator::::get(pdev.as_ref(), c"mali")?; let sram_regulator = Regulator::::get(pdev.as_ref(), c"sram")?; + let mmio_phys_addr = pdev.resource_by_index(0).ok_or(ENODEV)?.start(); let request = pdev.io_request_by_index(0).ok_or(ENODEV)?; let iomem = Arc::pin_init(request.iomap_sized::(), GFP_KERNEL)?; @@ -140,6 +145,7 @@ fn probe( let data = try_pin_init!(TyrDrmDeviceData { pdev: platform.clone(), + mmio_phys_addr, clks <- new_mutex!(Clocks { core: core_clk, stacks: stacks_clk, -- 2.53.0