Also added debug messages
Signed-off-by: Anitha Chrisanthus anitha.chrisanthus@intel.com --- drivers/gpu/drm/kmb/kmb_drv.c | 19 +++++++++++++++++-- drivers/gpu/drm/kmb/kmb_regs.h | 6 +++--- 2 files changed, 20 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c index b1cc8ad..b4e1e50 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.c +++ b/drivers/gpu/drm/kmb/kmb_drv.c @@ -49,6 +49,7 @@ #include "kmb_plane.h" #include "kmb_dsi.h"
+#define DEBUG /*IRQ handler*/ static irqreturn_t kmb_isr(int irq, void *arg);
@@ -331,18 +332,22 @@ static int kmb_drm_bind(struct device *dev) struct kmb_drm_private *lcd; int ret;
+ DRM_DEBUG("kmb_bind : ENTER\n"); drm = drm_dev_alloc(&kmb_driver, dev); if (IS_ERR(drm)) return PTR_ERR(drm);
+ DRM_DEBUG("kmb_bind : after alloc drm\n"); lcd = devm_kzalloc(dev, sizeof(*lcd), GFP_KERNEL); if (!lcd) return -ENOMEM;
+ DRM_DEBUG("kmb_bind : after alloc lcd\n"); drm->dev_private = lcd; dev_set_drvdata(dev, drm);
kmb_setup_mode_config(drm); + DRM_DEBUG("kmb_bind : after kmb_setup_mode_config\n"); ret = kmb_load(drm, 0); if (ret) goto err_free; @@ -455,17 +460,27 @@ static int kmb_probe(struct platform_device *pdev) { struct device_node *port; struct component_match *match = NULL; + int ret;
/* there is only one output port inside each device, find it */ + DRM_DEBUG("%s : ENTER", __func__); + port = of_graph_get_remote_node(pdev->dev.of_node, 0, 0); + DRM_DEBUG("%s : port = 0x%pOF\n", __func__, port); if (!port) return -ENODEV;
+ DRM_DEBUG("%s : after get_remote", __func__); + DRM_DEBUG("Adding component %pOF\n", port); drm_of_component_match_add(&pdev->dev, &match, compare_dev, port); + DRM_DEBUG("%s : after get_match", __func__); of_node_put(port);
- return component_master_add_with_match(&pdev->dev, &kmb_master_ops, - match); + ret = component_master_add_with_match(&pdev->dev, &kmb_master_ops, + match); + + DRM_DEBUG("%s : EXIT ret=%d\n", __func__, ret); + return ret; }
static int kmb_remove(struct platform_device *pdev) diff --git a/drivers/gpu/drm/kmb/kmb_regs.h b/drivers/gpu/drm/kmb/kmb_regs.h index bb80bc5..f8a7abf 100644 --- a/drivers/gpu/drm/kmb/kmb_regs.h +++ b/drivers/gpu/drm/kmb/kmb_regs.h @@ -33,9 +33,9 @@ /*from Data Book section 12.11.6.1 page 4972 */ #define LCD_BASE_ADDR (0x20930000) #define MSS_CAM_BASE_ADDR (MIPI_BASE_ADDR + 0x10000) -#define LCD_MMIO_SIZE (0x10000) -#define MIPI_MMIO_SIZE (0x10000) -#define MSS_CAM_MMIO_SIZE (0x10000) +#define LCD_MMIO_SIZE (0x3000) +#define MIPI_MMIO_SIZE (0x4000) +#define MSS_CAM_MMIO_SIZE (0x10)
/*************************************************************************** * LCD controller control register defines