[v2,39/59] drm/kmb: Fixed driver unload

Commit Message

Chrisanthus, Anitha July 14, 2020, 8:57 p.m. UTC

unmap MSSCAM registers

Signed-off-by: Anitha Chrisanthus <[e-mail]>
---
 drivers/gpu/drm/kmb/kmb_drv.c  | 15 +++------------
 drivers/gpu/drm/kmb/kmb_drv.h  |  1 -
 drivers/gpu/drm/kmb/kmb_regs.h |  2 +-
 3 files changed, 4 insertions(+), 14 deletions(-)

Patch

diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index 2a93b13..3542de7 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -159,17 +159,6 @@  static int kmb_load(struct drm_device *drm, unsigned long flags)
 		iounmap(dev_p->mipi_mmio);
 		return -ENOMEM;
 	}
-/*testing*/
-	if (!request_mem_region(CPR_BASE_ADDR, 100, "cpr")) {
-		DRM_ERROR("failed to reserve %s registers\n", "cpr");
-		return -ENOMEM;
-	}
-	dev_p->cpr_mmio = ioremap_cache(CPR_BASE_ADDR, 0x100);
-	if (!dev_p->cpr_mmio) {
-		DRM_ERROR("failed to ioremap %s registers\n", "CPR");
-		release_mem_region(CPR_BASE_ADDR, 100);
-		return -ENOMEM;
-	}
 
 	if (IS_ERR(dev_p->msscam_mmio)) {
 		DRM_ERROR("failed to map MSSCAM registers\n");
@@ -490,8 +479,10 @@  static void kmb_drm_unload(struct device *dev)
 		release_mem_region(MIPI_BASE_ADDR, MIPI_MMIO_SIZE);
 	}
 
-	if (dev_p->msscam_mmio)
+	if (dev_p->msscam_mmio) {
 		iounmap(dev_p->msscam_mmio);
+		release_mem_region(MSS_CAM_BASE_ADDR, MSS_CAM_MMIO_SIZE);
+	}
 
 	of_reserved_mem_device_release(drm->dev);
 	drm_mode_config_cleanup(drm);
diff --git a/drivers/gpu/drm/kmb/kmb_drv.h b/drivers/gpu/drm/kmb/kmb_drv.h
index 0bdac1a..7e44446 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.h
+++ b/drivers/gpu/drm/kmb/kmb_drv.h
@@ -20,7 +20,6 @@  struct kmb_drm_private {
 	void __iomem			*lcd_mmio;
 	void __iomem			*mipi_mmio;
 	void __iomem			*msscam_mmio;
-	void __iomem			*cpr_mmio;
 	unsigned char			n_layers;
 	struct clk			*clk;
 	struct drm_crtc			crtc;
diff --git a/drivers/gpu/drm/kmb/kmb_regs.h b/drivers/gpu/drm/kmb/kmb_regs.h
index d2b884c..c83740bb 100644
--- a/drivers/gpu/drm/kmb/kmb_regs.h
+++ b/drivers/gpu/drm/kmb/kmb_regs.h
@@ -16,7 +16,7 @@ 
 #define MSS_CAM_BASE_ADDR			(MIPI_BASE_ADDR + 0x10000)
 #define LCD_MMIO_SIZE				(0x3000)
 #define MIPI_MMIO_SIZE				(0x4000)
-#define MSS_CAM_MMIO_SIZE			(0x10)
+#define MSS_CAM_MMIO_SIZE			(0x30)
 
 /***************************************************************************
  *		   LCD controller control register defines