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30 Jun 2020 14:28:45 -0700 From: Anitha Chrisanthus To: dri-devel@lists.freedesktop.org, anitha.chrisanthus@intel.com, bob.j.paauwe@intel.com, edmund.j.dea@intel.com Date: Tue, 30 Jun 2020 14:27:40 -0700 Message-Id: <1593552491-23698-29-git-send-email-anitha.chrisanthus@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593552491-23698-1-git-send-email-anitha.chrisanthus@intel.com> References: <1593552491-23698-1-git-send-email-anitha.chrisanthus@intel.com> Subject: [Intel-gfx] [PATCH 28/59] drm/kmb: Changed MMIO size X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: daniel.vetter@intel.com, intel-gfx@lists.freedesktop.org MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Also added debug messages Signed-off-by: Anitha Chrisanthus --- 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