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authorRodrigo Vivi <rodrigo.vivi@intel.com>2019-08-22 08:47:35 +0300
committerRodrigo Vivi <rodrigo.vivi@intel.com>2019-08-22 10:10:36 +0300
commit829e8def7bd7b1e58028113ee5c2877da89d8f27 (patch)
tree3958810e8e17c508172889c02e75d9dc2ec6080c /include/drm/drm_mipi_dbi.h
parent8e40983dec63300013ff5755c36e3ac455e351a5 (diff)
parentae4530062620561d24683b1bd3438b8397693429 (diff)
downloadlinux-829e8def7bd7b1e58028113ee5c2877da89d8f27.tar.xz
Merge drm/drm-next into drm-intel-next-queued
We need the rename of reservation_object to dma_resv. The solution on this merge came from linux-next: From: Stephen Rothwell <sfr@canb.auug.org.au> Date: Wed, 14 Aug 2019 12:48:39 +1000 Subject: [PATCH] drm: fix up fallout from "dma-buf: rename reservation_object to dma_resv" Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> --- drivers/gpu/drm/i915/gt/intel_engine_pool.c | 8 ++++---- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pool.c b/drivers/gpu/drm/i915/gt/intel_engine_pool.c index 03d90b49584a..4cd54c569911 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_pool.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_pool.c @@ -43,12 +43,12 @@ static int pool_active(struct i915_active *ref) { struct intel_engine_pool_node *node = container_of(ref, typeof(*node), active); - struct reservation_object *resv = node->obj->base.resv; + struct dma_resv *resv = node->obj->base.resv; int err; - if (reservation_object_trylock(resv)) { - reservation_object_add_excl_fence(resv, NULL); - reservation_object_unlock(resv); + if (dma_resv_trylock(resv)) { + dma_resv_add_excl_fence(resv, NULL); + dma_resv_unlock(resv); } err = i915_gem_object_pin_pages(node->obj); which is a simplified version from a previous one which had: Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'include/drm/drm_mipi_dbi.h')
-rw-r--r--include/drm/drm_mipi_dbi.h188
1 files changed, 188 insertions, 0 deletions
diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h
new file mode 100644
index 000000000000..67c66f5ee591
--- /dev/null
+++ b/include/drm/drm_mipi_dbi.h
@@ -0,0 +1,188 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * MIPI Display Bus Interface (DBI) LCD controller support
+ *
+ * Copyright 2016 Noralf Trønnes
+ */
+
+#ifndef __LINUX_MIPI_DBI_H
+#define __LINUX_MIPI_DBI_H
+
+#include <linux/mutex.h>
+#include <drm/drm_device.h>
+#include <drm/drm_simple_kms_helper.h>
+
+struct drm_rect;
+struct spi_device;
+struct gpio_desc;
+struct regulator;
+
+/**
+ * struct mipi_dbi - MIPI DBI interface
+ */
+struct mipi_dbi {
+ /**
+ * @cmdlock: Command lock
+ */
+ struct mutex cmdlock;
+
+ /**
+ * @command: Bus specific callback executing commands.
+ */
+ int (*command)(struct mipi_dbi *dbi, u8 *cmd, u8 *param, size_t num);
+
+ /**
+ * @read_commands: Array of read commands terminated by a zero entry.
+ * Reading is disabled if this is NULL.
+ */
+ const u8 *read_commands;
+
+ /**
+ * @swap_bytes: Swap bytes in buffer before transfer
+ */
+ bool swap_bytes;
+
+ /**
+ * @reset: Optional reset gpio
+ */
+ struct gpio_desc *reset;
+
+ /* Type C specific */
+
+ /**
+ * @spi: SPI device
+ */
+ struct spi_device *spi;
+
+ /**
+ * @dc: Optional D/C gpio.
+ */
+ struct gpio_desc *dc;
+
+ /**
+ * @tx_buf9: Buffer used for Option 1 9-bit conversion
+ */
+ void *tx_buf9;
+
+ /**
+ * @tx_buf9_len: Size of tx_buf9.
+ */
+ size_t tx_buf9_len;
+};
+
+/**
+ * struct mipi_dbi_dev - MIPI DBI device
+ */
+struct mipi_dbi_dev {
+ /**
+ * @drm: DRM device
+ */
+ struct drm_device drm;
+
+ /**
+ * @pipe: Display pipe structure
+ */
+ struct drm_simple_display_pipe pipe;
+
+ /**
+ * @connector: Connector
+ */
+ struct drm_connector connector;
+
+ /**
+ * @mode: Fixed display mode
+ */
+ struct drm_display_mode mode;
+
+ /**
+ * @enabled: Pipeline is enabled
+ */
+ bool enabled;
+
+ /**
+ * @tx_buf: Buffer used for transfer (copy clip rect area)
+ */
+ u16 *tx_buf;
+
+ /**
+ * @rotation: initial rotation in degrees Counter Clock Wise
+ */
+ unsigned int rotation;
+
+ /**
+ * @backlight: backlight device (optional)
+ */
+ struct backlight_device *backlight;
+
+ /**
+ * @regulator: power regulator (optional)
+ */
+ struct regulator *regulator;
+
+ /**
+ * @dbi: MIPI DBI interface
+ */
+ struct mipi_dbi dbi;
+};
+
+static inline struct mipi_dbi_dev *drm_to_mipi_dbi_dev(struct drm_device *drm)
+{
+ return container_of(drm, struct mipi_dbi_dev, drm);
+}
+
+int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *dbi,
+ struct gpio_desc *dc);
+int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev,
+ const struct drm_simple_display_pipe_funcs *funcs,
+ const uint32_t *formats, unsigned int format_count,
+ const struct drm_display_mode *mode,
+ unsigned int rotation, size_t tx_buf_size);
+int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev,
+ const struct drm_simple_display_pipe_funcs *funcs,
+ const struct drm_display_mode *mode, unsigned int rotation);
+void mipi_dbi_release(struct drm_device *drm);
+void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe,
+ struct drm_plane_state *old_state);
+void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev,
+ struct drm_crtc_state *crtc_state,
+ struct drm_plane_state *plan_state);
+void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe);
+void mipi_dbi_hw_reset(struct mipi_dbi *dbi);
+bool mipi_dbi_display_is_on(struct mipi_dbi *dbi);
+int mipi_dbi_poweron_reset(struct mipi_dbi_dev *dbidev);
+int mipi_dbi_poweron_conditional_reset(struct mipi_dbi_dev *dbidev);
+
+u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len);
+int mipi_dbi_spi_transfer(struct spi_device *spi, u32 speed_hz,
+ u8 bpw, const void *buf, size_t len);
+
+int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val);
+int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len);
+int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len);
+int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
+ struct drm_rect *clip, bool swap);
+/**
+ * mipi_dbi_command - MIPI DCS command with optional parameter(s)
+ * @dbi: MIPI DBI structure
+ * @cmd: Command
+ * @seq...: Optional parameter(s)
+ *
+ * Send MIPI DCS command to the controller. Use mipi_dbi_command_read() for
+ * get/read.
+ *
+ * Returns:
+ * Zero on success, negative error code on failure.
+ */
+#define mipi_dbi_command(dbi, cmd, seq...) \
+({ \
+ u8 d[] = { seq }; \
+ mipi_dbi_command_stackbuf(dbi, cmd, d, ARRAY_SIZE(d)); \
+})
+
+#ifdef CONFIG_DEBUG_FS
+int mipi_dbi_debugfs_init(struct drm_minor *minor);
+#else
+#define mipi_dbi_debugfs_init NULL
+#endif
+
+#endif /* __LINUX_MIPI_DBI_H */