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45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From a552ce80d00565414abfedea04ab7c79d3e2cf53 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
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Date: Sun, 27 Feb 2022 13:47:12 +0100
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Subject: [PATCH 813/828] drm/mipi-dbi: Add driver_private member to struct
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mipi_dbi_dev
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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commit 1e7e8e1 upstream.
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devm_drm_dev_alloc() can't allocate structures that embed a structure
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which then again embeds drm_device. Workaround this by adding a
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driver_private pointer to struct mipi_dbi_dev which the driver can use for
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its additional state.
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v3:
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- Add documentation
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Acked-by: Maxime Ripard <maxime@cerno.tech>
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Acked-by: Sam Ravnborg <sam@ravnborg.org>
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Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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Link: https://patchwork.freedesktop.org/patch/msgid/20220227124713.39766-5-noralf@tronnes.org
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---
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include/drm/drm_mipi_dbi.h | 8 ++++++++
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1 file changed, 8 insertions(+)
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--- a/include/drm/drm_mipi_dbi.h
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+++ b/include/drm/drm_mipi_dbi.h
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@@ -130,6 +130,14 @@ struct mipi_dbi_dev {
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* @dbi: MIPI DBI interface
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*/
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struct mipi_dbi dbi;
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+
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+ /**
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+ * @driver_private: Driver private data.
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+ * Necessary for drivers with private data since devm_drm_dev_alloc()
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+ * can't allocate structures that embed a structure which then again
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+ * embeds drm_device.
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+ */
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+ void *driver_private;
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};
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static inline struct mipi_dbi_dev *drm_to_mipi_dbi_dev(struct drm_device *drm)
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