Further strip down tinydrm.ko and switch to drm_simple_connector_create().
Signed-off-by: Noralf Trønnes <nor...@tronnes.org>
---
Documentation/gpu/tinydrm.rst | 3 -
drivers/gpu/drm/tinydrm/core/Makefile | 2 +-
drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c | 183 --------------------
drivers/gpu/drm/tinydrm/mipi-dbi.c | 24 ++-
drivers/gpu/drm/tinydrm/repaper.c | 16 +-
drivers/gpu/drm/tinydrm/st7586.c | 19 +-
include/drm/tinydrm/tinydrm.h | 9 -
7 files changed, 43 insertions(+), 213 deletions(-)
delete mode 100644 drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
diff --git a/Documentation/gpu/tinydrm.rst b/Documentation/gpu/tinydrm.rst
index a913644bfc19..1ca726474af4 100644
--- a/Documentation/gpu/tinydrm.rst
+++ b/Documentation/gpu/tinydrm.rst
@@ -17,9 +17,6 @@ Core functionality
.. kernel-doc:: drivers/gpu/drm/tinydrm/core/tinydrm-core.c
:export:
-.. kernel-doc:: drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
- :export:
-
Additional helpers
==================
diff --git a/drivers/gpu/drm/tinydrm/core/Makefile
b/drivers/gpu/drm/tinydrm/core/Makefile
index fb221e6f8885..bf2df7326df7 100644
--- a/drivers/gpu/drm/tinydrm/core/Makefile
+++ b/drivers/gpu/drm/tinydrm/core/Makefile
@@ -1,3 +1,3 @@
-tinydrm-y := tinydrm-core.o tinydrm-pipe.o tinydrm-helpers.o
+tinydrm-y := tinydrm-core.o tinydrm-helpers.o
obj-$(CONFIG_DRM_TINYDRM) += tinydrm.o
diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
b/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
deleted file mode 100644
index 323564329535..000000000000
--- a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright (C) 2016 Noralf Trønnes
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-#include <drm/drm_modes.h>
-#include <drm/drm_print.h>
-#include <drm/tinydrm/tinydrm.h>
-
-struct tinydrm_connector {
- struct drm_connector base;
- struct drm_display_mode mode;
-};
-
-static inline struct tinydrm_connector *
-to_tinydrm_connector(struct drm_connector *connector)
-{
- return container_of(connector, struct tinydrm_connector, base);
-}
-
-static int tinydrm_connector_get_modes(struct drm_connector *connector)
-{
- struct tinydrm_connector *tconn = to_tinydrm_connector(connector);
- struct drm_display_mode *mode;
-
- mode = drm_mode_duplicate(connector->dev, &tconn->mode);
- if (!mode) {
- DRM_ERROR("Failed to duplicate mode\n");
- return 0;
- }
-
- if (mode->name[0] == '\0')
- drm_mode_set_name(mode);
-
- mode->type |= DRM_MODE_TYPE_PREFERRED;
- drm_mode_probed_add(connector, mode);
-
- if (mode->width_mm) {
- connector->display_info.width_mm = mode->width_mm;
- connector->display_info.height_mm = mode->height_mm;
- }
-
- return 1;
-}
-
-static const struct drm_connector_helper_funcs tinydrm_connector_hfuncs = {
- .get_modes = tinydrm_connector_get_modes,
-};
-
-static enum drm_connector_status
-tinydrm_connector_detect(struct drm_connector *connector, bool force)
-{
- if (drm_dev_is_unplugged(connector->dev))
- return connector_status_disconnected;
-
- return connector->status;
-}
-
-static void tinydrm_connector_destroy(struct drm_connector *connector)
-{
- struct tinydrm_connector *tconn = to_tinydrm_connector(connector);
-
- drm_connector_cleanup(connector);
- kfree(tconn);
-}
-
-static const struct drm_connector_funcs tinydrm_connector_funcs = {
- .reset = drm_atomic_helper_connector_reset,
- .detect = tinydrm_connector_detect,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = tinydrm_connector_destroy,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-struct drm_connector *
-tinydrm_connector_create(struct drm_device *drm,
- const struct drm_display_mode *mode,
- int connector_type)
-{
- struct tinydrm_connector *tconn;
- struct drm_connector *connector;
- int ret;
-
- tconn = kzalloc(sizeof(*tconn), GFP_KERNEL);
- if (!tconn)
- return ERR_PTR(-ENOMEM);
-
- drm_mode_copy(&tconn->mode, mode);
- connector = &tconn->base;
-
- drm_connector_helper_add(connector, &tinydrm_connector_hfuncs);
- ret = drm_connector_init(drm, connector, &tinydrm_connector_funcs,
- connector_type);
- if (ret) {
- kfree(tconn);
- return ERR_PTR(ret);
- }
-
- connector->status = connector_status_connected;
-
- return connector;
-}
-
-static int tinydrm_rotate_mode(struct drm_display_mode *mode,
- unsigned int rotation)
-{
- if (rotation == 0 || rotation == 180) {
- return 0;
- } else if (rotation == 90 || rotation == 270) {
- swap(mode->hdisplay, mode->vdisplay);
- swap(mode->hsync_start, mode->vsync_start);
- swap(mode->hsync_end, mode->vsync_end);
- swap(mode->htotal, mode->vtotal);
- swap(mode->width_mm, mode->height_mm);
- return 0;
- } else {
- return -EINVAL;
- }
-}
-
-/**
- * tinydrm_display_pipe_init - Initialize display pipe
- * @tdev: tinydrm device
- * @funcs: Display pipe functions
- * @connector_type: Connector type
- * @formats: Array of supported formats (DRM_FORMAT\_\*)
- * @format_count: Number of elements in @formats
- * @mode: Supported mode
- * @rotation: Initial @mode rotation in degrees Counter Clock Wise
- *
- * This function sets up a &drm_simple_display_pipe with a &drm_connector that
- * has one fixed &drm_display_mode which is rotated according to @rotation.
- *
- * Returns:
- * Zero on success, negative error code on failure.
- */
-int
-tinydrm_display_pipe_init(struct tinydrm_device *tdev,
- const struct drm_simple_display_pipe_funcs *funcs,
- int connector_type,
- const uint32_t *formats,
- unsigned int format_count,
- const struct drm_display_mode *mode,
- unsigned int rotation)
-{
- struct drm_device *drm = tdev->drm;
- struct drm_display_mode mode_copy;
- struct drm_connector *connector;
- int ret;
- static const uint64_t modifiers[] = {
- DRM_FORMAT_MOD_LINEAR,
- DRM_FORMAT_MOD_INVALID
- };
-
- drm_mode_copy(&mode_copy, mode);
- ret = tinydrm_rotate_mode(&mode_copy, rotation);
- if (ret) {
- DRM_ERROR("Illegal rotation value %u\n", rotation);
- return -EINVAL;
- }
-
- drm->mode_config.min_width = mode_copy.hdisplay;
- drm->mode_config.max_width = mode_copy.hdisplay;
- drm->mode_config.min_height = mode_copy.vdisplay;
- drm->mode_config.max_height = mode_copy.vdisplay;
-
- connector = tinydrm_connector_create(drm, &mode_copy, connector_type);
- if (IS_ERR(connector))
- return PTR_ERR(connector);
-
- return drm_simple_display_pipe_init(drm, &tdev->pipe, funcs, formats,
- format_count, modifiers, connector);
-}
-EXPORT_SYMBOL(tinydrm_display_pipe_init);
diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c
b/drivers/gpu/drm/tinydrm/mipi-dbi.c
index 918f77c7de34..d1d546f3a664 100644
--- a/drivers/gpu/drm/tinydrm/mipi-dbi.c
+++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c
@@ -391,7 +391,13 @@ int mipi_dbi_init(struct device *dev, struct mipi_dbi
*mipi,
{
size_t bufsize = mode->vdisplay * mode->hdisplay * sizeof(u16);
struct tinydrm_device *tdev = &mipi->tinydrm;
+ struct drm_connector *connector;
+ struct drm_device *drm;
int ret;
+ static const uint64_t modifiers[] = {
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID
+ };
if (!mipi->command)
return -EINVAL;
@@ -406,18 +412,22 @@ int mipi_dbi_init(struct device *dev, struct mipi_dbi
*mipi,
if (ret)
return ret;
- /* TODO: Maybe add DRM_MODE_CONNECTOR_SPI */
- ret = tinydrm_display_pipe_init(tdev, pipe_funcs,
- DRM_MODE_CONNECTOR_VIRTUAL,
- mipi_dbi_formats,
- ARRAY_SIZE(mipi_dbi_formats), mode,
- rotation);
+ drm = tdev->drm;
+
+ connector = drm_simple_connector_create(drm,
DRM_MODE_CONNECTOR_VIRTUAL, mode, rotation);
+ if (IS_ERR(connector))
+ return PTR_ERR(connector);
+
+ ret = drm_simple_display_pipe_init(drm, &tdev->pipe, pipe_funcs,
+ mipi_dbi_formats,
ARRAY_SIZE(mipi_dbi_formats),
+ modifiers, connector);
if (ret)
return ret;
drm_plane_enable_fb_damage_clips(&tdev->pipe.plane);
- tdev->drm->mode_config.preferred_depth = 16;
+ drm_simple_connector_set_mode_config(connector);
+ drm->mode_config.preferred_depth = 16;
mipi->rotation = rotation;
drm_mode_config_reset(tdev->drm);
diff --git a/drivers/gpu/drm/tinydrm/repaper.c
b/drivers/gpu/drm/tinydrm/repaper.c
index 72d30151ecd8..1d551744cc9b 100644
--- a/drivers/gpu/drm/tinydrm/repaper.c
+++ b/drivers/gpu/drm/tinydrm/repaper.c
@@ -924,12 +924,14 @@ static int repaper_probe(struct spi_device *spi)
const struct drm_display_mode *mode;
const struct spi_device_id *spi_id;
const struct of_device_id *match;
+ struct drm_connector *connector;
struct device *dev = &spi->dev;
struct tinydrm_device *tdev;
enum repaper_model model;
const char *thermal_zone;
struct repaper_epd *epd;
size_t line_buffer_size;
+ struct drm_device *drm;
int ret;
match = of_match_device(repaper_of_match, dev);
@@ -1069,13 +1071,19 @@ static int repaper_probe(struct spi_device *spi)
if (ret)
return ret;
- ret = tinydrm_display_pipe_init(tdev, &repaper_pipe_funcs,
- DRM_MODE_CONNECTOR_VIRTUAL,
- repaper_formats,
- ARRAY_SIZE(repaper_formats), mode, 0);
+ drm = tdev->drm;
+
+ connector = drm_simple_connector_create(drm,
DRM_MODE_CONNECTOR_VIRTUAL, mode, 0);
+ if (IS_ERR(connector))
+ return PTR_ERR(connector);
+
+ ret = drm_simple_display_pipe_init(drm, &tdev->pipe,
&repaper_pipe_funcs,
+ repaper_formats,
ARRAY_SIZE(repaper_formats),
+ NULL, connector);
if (ret)
return ret;
+ drm_simple_connector_set_mode_config(connector);
drm_mode_config_reset(tdev->drm);
spi_set_drvdata(spi, tdev);
diff --git a/drivers/gpu/drm/tinydrm/st7586.c b/drivers/gpu/drm/tinydrm/st7586.c
index 5ee7db561349..6cb68dd7e7b6 100644
--- a/drivers/gpu/drm/tinydrm/st7586.c
+++ b/drivers/gpu/drm/tinydrm/st7586.c
@@ -271,6 +271,8 @@ static int st7586_init(struct device *dev, struct mipi_dbi
*mipi,
{
size_t bufsize = (mode->vdisplay + 2) / 3 * mode->hdisplay;
struct tinydrm_device *tdev = &mipi->tinydrm;
+ struct drm_connector *connector;
+ struct drm_device *drm;
int ret;
mutex_init(&mipi->cmdlock);
@@ -283,17 +285,22 @@ static int st7586_init(struct device *dev, struct
mipi_dbi *mipi,
if (ret)
return ret;
- ret = tinydrm_display_pipe_init(tdev, pipe_funcs,
- DRM_MODE_CONNECTOR_VIRTUAL,
- st7586_formats,
- ARRAY_SIZE(st7586_formats),
- mode, rotation);
+ drm = tdev->drm;
+
+ connector = drm_simple_connector_create(drm,
DRM_MODE_CONNECTOR_VIRTUAL, mode, rotation);
+ if (IS_ERR(connector))
+ return PTR_ERR(connector);
+
+ ret = drm_simple_display_pipe_init(drm, &tdev->pipe, pipe_funcs,
+ st7586_formats,
ARRAY_SIZE(st7586_formats),
+ NULL, connector);
if (ret)
return ret;
drm_plane_enable_fb_damage_clips(&tdev->pipe.plane);
- tdev->drm->mode_config.preferred_depth = 32;
+ drm_simple_connector_set_mode_config(connector);
+ drm->mode_config.preferred_depth = 32;
mipi->rotation = rotation;
drm_mode_config_reset(tdev->drm);
diff --git a/include/drm/tinydrm/tinydrm.h b/include/drm/tinydrm/tinydrm.h
index 87e7f9b93a37..69c4363fd88e 100644
--- a/include/drm/tinydrm/tinydrm.h
+++ b/include/drm/tinydrm/tinydrm.h
@@ -40,13 +40,4 @@ int devm_tinydrm_init(struct device *parent, struct
tinydrm_device *tdev,
int devm_tinydrm_register(struct tinydrm_device *tdev);
void tinydrm_shutdown(struct tinydrm_device *tdev);
-int
-tinydrm_display_pipe_init(struct tinydrm_device *tdev,
- const struct drm_simple_display_pipe_funcs *funcs,
- int connector_type,
- const uint32_t *formats,
- unsigned int format_count,
- const struct drm_display_mode *mode,
- unsigned int rotation);
-
#endif /* __LINUX_TINYDRM_H */
--
2.20.1
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