From: "Kory Maincent (TI.com)" <kory.maincent@bootlin.com>
To: Jyri Sarha <jyri.sarha@iki.fi>,
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>,
Simona Vetter <simona@ffwll.ch>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Tony Lindgren <tony@atomide.com>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Markus Schneider-Pargmann <msp@baylibre.com>,
Bajjuri Praneeth <praneeth@ti.com>,
Luca Ceresoli <luca.ceresoli@bootlin.com>,
Louis Chauvet <louis.chauvet@bootlin.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Miguel Gazquez <miguel.gazquez@bootlin.com>,
Herve Codina <herve.codina@bootlin.com>,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-omap@vger.kernel.org,
"Kory Maincent (TI.com)" <kory.maincent@bootlin.com>
Subject: [PATCH v4 15/25] drm/tilcdc: Move tilcdc_init/fini closer to probe/remove
Date: Fri, 16 Jan 2026 18:02:15 +0100 [thread overview]
Message-ID: <20260116-feature_tilcdc-v4-15-2c1c22143087@bootlin.com> (raw)
In-Reply-To: <20260116-feature_tilcdc-v4-0-2c1c22143087@bootlin.com>
Move tilcdc_init/fini functions adjacent to the probe and remove functions
in preparation for cleanup and modernization. This improves readability
for subsequent commits that will refactor these functions.
No functional changes, only code reorganization.
Signed-off-by: Kory Maincent (TI.com) <kory.maincent@bootlin.com>
---
Change in v3:
- New patch.
---
drivers/gpu/drm/tilcdc/tilcdc_drv.c | 238 ++++++++++++++++++------------------
1 file changed, 119 insertions(+), 119 deletions(-)
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 97380b623fca3..abe432b752dc0 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -140,6 +140,125 @@ static void tilcdc_irq_uninstall(struct drm_device *dev)
* DRM operations:
*/
+#if defined(CONFIG_DEBUG_FS)
+static const struct {
+ const char *name;
+ uint8_t rev;
+ uint8_t save;
+ uint32_t reg;
+} registers[] = {
+#define REG(rev, save, reg) { #reg, rev, save, reg }
+ /* exists in revision 1: */
+ REG(1, false, LCDC_PID_REG),
+ REG(1, true, LCDC_CTRL_REG),
+ REG(1, false, LCDC_STAT_REG),
+ REG(1, true, LCDC_RASTER_CTRL_REG),
+ REG(1, true, LCDC_RASTER_TIMING_0_REG),
+ REG(1, true, LCDC_RASTER_TIMING_1_REG),
+ REG(1, true, LCDC_RASTER_TIMING_2_REG),
+ REG(1, true, LCDC_DMA_CTRL_REG),
+ REG(1, true, LCDC_DMA_FB_BASE_ADDR_0_REG),
+ REG(1, true, LCDC_DMA_FB_CEILING_ADDR_0_REG),
+ REG(1, true, LCDC_DMA_FB_BASE_ADDR_1_REG),
+ REG(1, true, LCDC_DMA_FB_CEILING_ADDR_1_REG),
+ /* new in revision 2: */
+ REG(2, false, LCDC_RAW_STAT_REG),
+ REG(2, false, LCDC_MASKED_STAT_REG),
+ REG(2, true, LCDC_INT_ENABLE_SET_REG),
+ REG(2, false, LCDC_INT_ENABLE_CLR_REG),
+ REG(2, false, LCDC_END_OF_INT_IND_REG),
+ REG(2, true, LCDC_CLK_ENABLE_REG),
+#undef REG
+};
+
+static int tilcdc_regs_show(struct seq_file *m, void *arg)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct tilcdc_drm_private *priv = dev->dev_private;
+ unsigned i;
+
+ pm_runtime_get_sync(dev->dev);
+
+ seq_printf(m, "revision: %d\n", priv->rev);
+
+ for (i = 0; i < ARRAY_SIZE(registers); i++)
+ if (priv->rev >= registers[i].rev)
+ seq_printf(m, "%s:\t %08x\n", registers[i].name,
+ tilcdc_read(dev, registers[i].reg));
+
+ pm_runtime_put_sync(dev->dev);
+
+ return 0;
+}
+
+static int tilcdc_mm_show(struct seq_file *m, void *arg)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_printer p = drm_seq_file_printer(m);
+ drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p);
+ return 0;
+}
+
+static struct drm_info_list tilcdc_debugfs_list[] = {
+ { "regs", tilcdc_regs_show, 0, NULL },
+ { "mm", tilcdc_mm_show, 0, NULL },
+};
+
+static void tilcdc_debugfs_init(struct drm_minor *minor)
+{
+ drm_debugfs_create_files(tilcdc_debugfs_list,
+ ARRAY_SIZE(tilcdc_debugfs_list),
+ minor->debugfs_root, minor);
+}
+#endif
+
+DEFINE_DRM_GEM_DMA_FOPS(fops);
+
+static const struct drm_driver tilcdc_driver = {
+ .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
+ DRM_GEM_DMA_DRIVER_OPS,
+ DRM_FBDEV_DMA_DRIVER_OPS,
+#ifdef CONFIG_DEBUG_FS
+ .debugfs_init = tilcdc_debugfs_init,
+#endif
+ .fops = &fops,
+ .name = "tilcdc",
+ .desc = "TI LCD Controller DRM",
+ .major = 1,
+ .minor = 0,
+};
+
+/*
+ * Power management:
+ */
+
+static int tilcdc_pm_suspend(struct device *dev)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ int ret = 0;
+
+ ret = drm_mode_config_helper_suspend(ddev);
+
+ /* Select sleep pin state */
+ pinctrl_pm_select_sleep_state(dev);
+
+ return ret;
+}
+
+static int tilcdc_pm_resume(struct device *dev)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+
+ /* Select default pin state */
+ pinctrl_pm_select_default_state(dev);
+ return drm_mode_config_helper_resume(ddev);
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(tilcdc_pm_ops,
+ tilcdc_pm_suspend, tilcdc_pm_resume);
+
static void tilcdc_fini(struct drm_device *dev)
{
struct tilcdc_drm_private *priv = dev->dev_private;
@@ -375,125 +494,6 @@ static int tilcdc_init(const struct drm_driver *ddrv, struct device *dev)
return ret;
}
-#if defined(CONFIG_DEBUG_FS)
-static const struct {
- const char *name;
- uint8_t rev;
- uint8_t save;
- uint32_t reg;
-} registers[] = {
-#define REG(rev, save, reg) { #reg, rev, save, reg }
- /* exists in revision 1: */
- REG(1, false, LCDC_PID_REG),
- REG(1, true, LCDC_CTRL_REG),
- REG(1, false, LCDC_STAT_REG),
- REG(1, true, LCDC_RASTER_CTRL_REG),
- REG(1, true, LCDC_RASTER_TIMING_0_REG),
- REG(1, true, LCDC_RASTER_TIMING_1_REG),
- REG(1, true, LCDC_RASTER_TIMING_2_REG),
- REG(1, true, LCDC_DMA_CTRL_REG),
- REG(1, true, LCDC_DMA_FB_BASE_ADDR_0_REG),
- REG(1, true, LCDC_DMA_FB_CEILING_ADDR_0_REG),
- REG(1, true, LCDC_DMA_FB_BASE_ADDR_1_REG),
- REG(1, true, LCDC_DMA_FB_CEILING_ADDR_1_REG),
- /* new in revision 2: */
- REG(2, false, LCDC_RAW_STAT_REG),
- REG(2, false, LCDC_MASKED_STAT_REG),
- REG(2, true, LCDC_INT_ENABLE_SET_REG),
- REG(2, false, LCDC_INT_ENABLE_CLR_REG),
- REG(2, false, LCDC_END_OF_INT_IND_REG),
- REG(2, true, LCDC_CLK_ENABLE_REG),
-#undef REG
-};
-
-static int tilcdc_regs_show(struct seq_file *m, void *arg)
-{
- struct drm_info_node *node = (struct drm_info_node *) m->private;
- struct drm_device *dev = node->minor->dev;
- struct tilcdc_drm_private *priv = dev->dev_private;
- unsigned i;
-
- pm_runtime_get_sync(dev->dev);
-
- seq_printf(m, "revision: %d\n", priv->rev);
-
- for (i = 0; i < ARRAY_SIZE(registers); i++)
- if (priv->rev >= registers[i].rev)
- seq_printf(m, "%s:\t %08x\n", registers[i].name,
- tilcdc_read(dev, registers[i].reg));
-
- pm_runtime_put_sync(dev->dev);
-
- return 0;
-}
-
-static int tilcdc_mm_show(struct seq_file *m, void *arg)
-{
- struct drm_info_node *node = (struct drm_info_node *) m->private;
- struct drm_device *dev = node->minor->dev;
- struct drm_printer p = drm_seq_file_printer(m);
- drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p);
- return 0;
-}
-
-static struct drm_info_list tilcdc_debugfs_list[] = {
- { "regs", tilcdc_regs_show, 0, NULL },
- { "mm", tilcdc_mm_show, 0, NULL },
-};
-
-static void tilcdc_debugfs_init(struct drm_minor *minor)
-{
- drm_debugfs_create_files(tilcdc_debugfs_list,
- ARRAY_SIZE(tilcdc_debugfs_list),
- minor->debugfs_root, minor);
-}
-#endif
-
-DEFINE_DRM_GEM_DMA_FOPS(fops);
-
-static const struct drm_driver tilcdc_driver = {
- .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
- DRM_GEM_DMA_DRIVER_OPS,
- DRM_FBDEV_DMA_DRIVER_OPS,
-#ifdef CONFIG_DEBUG_FS
- .debugfs_init = tilcdc_debugfs_init,
-#endif
- .fops = &fops,
- .name = "tilcdc",
- .desc = "TI LCD Controller DRM",
- .major = 1,
- .minor = 0,
-};
-
-/*
- * Power management:
- */
-
-static int tilcdc_pm_suspend(struct device *dev)
-{
- struct drm_device *ddev = dev_get_drvdata(dev);
- int ret = 0;
-
- ret = drm_mode_config_helper_suspend(ddev);
-
- /* Select sleep pin state */
- pinctrl_pm_select_sleep_state(dev);
-
- return ret;
-}
-
-static int tilcdc_pm_resume(struct device *dev)
-{
- struct drm_device *ddev = dev_get_drvdata(dev);
-
- /* Select default pin state */
- pinctrl_pm_select_default_state(dev);
- return drm_mode_config_helper_resume(ddev);
-}
-
-static DEFINE_SIMPLE_DEV_PM_OPS(tilcdc_pm_ops,
- tilcdc_pm_suspend, tilcdc_pm_resume);
-
static int tilcdc_pdev_probe(struct platform_device *pdev)
{
/* bail out early if no DT data: */
--
2.43.0
next prev parent reply other threads:[~2026-01-16 17:03 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-16 17:02 [PATCH v4 00/25] Clean and update tilcdc driver to support DRM_BRIDGE_ATTACH_NO_CONNECTOR Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 01/25] dt-bindings: display: tilcdc: Convert to DT schema Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 02/25] dt-bindings: display: tilcdc: Mark panel binding as deprecated Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 03/25] drm/tilcdc: Remove simulate_vesa_sync flag Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 04/25] drm/tilcdc: Add support for DRM bus flags and simplify panel config Kory Maincent (TI.com)
2026-01-19 16:18 ` Luca Ceresoli
2026-01-16 17:02 ` [PATCH v4 05/25] drm/tilcdc: Convert legacy panel binding via DT overlay at boot time Kory Maincent (TI.com)
2026-01-19 16:18 ` Luca Ceresoli
2026-01-21 14:13 ` Herve Codina
2026-01-16 17:02 ` [PATCH v4 06/25] drm/tilcdc: Remove tilcdc panel driver Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 07/25] drm/tilcdc: Remove component framework support Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 08/25] drm/tilcdc: Remove tilcdc_panel_info structure Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 09/25] drm/tilcdc: Remove redundant #endif/#ifdef in debugfs code Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 10/25] drm/tilcdc: Remove unused encoder and connector tracking arrays Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 11/25] drm/tilcdc: Rename external_encoder and external_connector to encoder and connector Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 12/25] drm/tilcdc: Rename tilcdc_external to tilcdc_encoder Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 13/25] drm/tilcdc: Remove the useless module list support Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 14/25] drm/tilcdc: Use drm_module_platform_driver() helper Kory Maincent (TI.com)
2026-01-19 16:18 ` Luca Ceresoli
2026-01-16 17:02 ` Kory Maincent (TI.com) [this message]
2026-01-19 16:18 ` [PATCH v4 15/25] drm/tilcdc: Move tilcdc_init/fini closer to probe/remove Luca Ceresoli
2026-01-16 17:02 ` [PATCH v4 16/25] drm/tilcdc: Modernize driver initialization and cleanup paths Kory Maincent (TI.com)
2026-01-19 16:18 ` Luca Ceresoli
2026-01-16 17:02 ` [PATCH v4 17/25] drm/tilcdc: Remove the use of drm_device private_data Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 18/25] drm/tilcdc: Convert to DRM managed resources Kory Maincent (TI.com)
2026-01-19 21:19 ` Luca Ceresoli
2026-01-22 14:48 ` Kory Maincent
2026-01-23 16:06 ` Luca Ceresoli
2026-01-16 17:02 ` [PATCH v4 19/25] drm/tilcdc: Convert to drm_device-based logging helpers Kory Maincent (TI.com)
2026-01-19 18:00 ` Luca Ceresoli
2026-01-22 14:59 ` Kory Maincent
2026-01-16 17:02 ` [PATCH v4 20/25] drm/tilcdc: Use devm_drm_of_get_bridge() helper Kory Maincent (TI.com)
2026-01-19 21:18 ` Luca Ceresoli
2026-01-22 14:03 ` Maxime Ripard
2026-01-22 15:03 ` Kory Maincent
2026-01-16 17:02 ` [PATCH v4 21/25] drm/bridge: tda998x: Remove component support Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 22/25] drm/bridge: tda998x: Move tda998x_create/destroy into probe and remove Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 23/25] drm/bridge: tda998x: Remove useless tda998x_connector_destroy wrapper Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 24/25] drm/bridge: tda998x: Add support for DRM_BRIDGE_ATTACH_NO_CONNECTOR Kory Maincent (TI.com)
2026-01-16 17:02 ` [PATCH v4 25/25] rm/tilcdc: " Kory Maincent (TI.com)
2026-01-19 17:58 ` Luca Ceresoli
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