Replace drm_err() calls in vop2_bind() and vop2_create_crtcs() with dev_err_probe(), to simplify error handling and improve consistency. Additionally, ensure the already existing dev_err_probe() invocations pass drm->dev instead of dev as their first argument, so that we get the actual reason in case of -EPROBE_DEFER errors: platform display-subsystem: deferred probe pending: (reason unknown) vs. platform display-subsystem: deferred probe pending: rockchip-drm: <actual reason> While at it, add the missing '\n' to some of the message strings. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx> --- drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 83 +++++++++++++--------------- 1 file changed, 37 insertions(+), 46 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index 14e039e9143ab855f32c392c5b097b97bcba70b8..7b893b4447b6015c440790614c1fdeba967e8395 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -3273,10 +3273,9 @@ static int vop2_create_crtcs(struct vop2 *vop2) snprintf(dclk_name, sizeof(dclk_name), "dclk_vp%d", vp->id); vp->dclk = devm_clk_get(vop2->dev, dclk_name); - if (IS_ERR(vp->dclk)) { - drm_err(vop2->drm, "failed to get %s\n", dclk_name); - return PTR_ERR(vp->dclk); - } + if (IS_ERR(vp->dclk)) + return dev_err_probe(drm->dev, PTR_ERR(vp->dclk), + "failed to get %s\n", dclk_name); np = of_graph_get_remote_node(dev->of_node, i, -1); if (!np) { @@ -3286,11 +3285,9 @@ static int vop2_create_crtcs(struct vop2 *vop2) of_node_put(np); port = of_graph_get_port_by_id(dev->of_node, i); - if (!port) { - drm_err(vop2->drm, "no port node found for video_port%d\n", i); - return -ENOENT; - } - + if (!port) + return dev_err_probe(drm->dev, -ENOENT, + "no port node found for video_port%d\n", i); vp->crtc.port = port; nvps++; } @@ -3330,11 +3327,9 @@ static int vop2_create_crtcs(struct vop2 *vop2) possible_crtcs = (1 << nvps) - 1; ret = vop2_plane_init(vop2, win, possible_crtcs); - if (ret) { - drm_err(vop2->drm, "failed to init plane %s: %d\n", - win->data->name, ret); - return ret; - } + if (ret) + return dev_err_probe(drm->dev, ret, "failed to init plane %s\n", + win->data->name); } for (i = 0; i < vop2_data->nr_vps; i++) { @@ -3348,10 +3343,9 @@ static int vop2_create_crtcs(struct vop2 *vop2) ret = drm_crtc_init_with_planes(drm, &vp->crtc, plane, NULL, &vop2_crtc_funcs, "video_port%d", vp->id); - if (ret) { - drm_err(vop2->drm, "crtc init for video_port%d failed\n", i); - return ret; - } + if (ret) + return dev_err_probe(drm->dev, ret, + "crtc init for video_port%d failed\n", i); drm_crtc_helper_add(&vp->crtc, &vop2_crtc_helper_funcs); if (vop2->lut_regs) { @@ -3678,10 +3672,9 @@ static int vop2_bind(struct device *dev, struct device *master, void *data) dev_set_drvdata(dev, vop2); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vop"); - if (!res) { - drm_err(vop2->drm, "failed to get vop2 register byname\n"); - return -EINVAL; - } + if (!res) + return dev_err_probe(drm->dev, -EINVAL, + "failed to get vop2 register byname\n"); vop2->res = res; vop2->regs = devm_ioremap_resource(dev, res); @@ -3706,50 +3699,50 @@ static int vop2_bind(struct device *dev, struct device *master, void *data) if (vop2_data->feature & VOP2_FEATURE_HAS_SYS_GRF) { vop2->sys_grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf"); if (IS_ERR(vop2->sys_grf)) - return dev_err_probe(dev, PTR_ERR(vop2->sys_grf), "cannot get sys_grf"); + return dev_err_probe(drm->dev, PTR_ERR(vop2->sys_grf), + "cannot get sys_grf\n"); } if (vop2_data->feature & VOP2_FEATURE_HAS_VOP_GRF) { vop2->vop_grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,vop-grf"); if (IS_ERR(vop2->vop_grf)) - return dev_err_probe(dev, PTR_ERR(vop2->vop_grf), "cannot get vop_grf"); + return dev_err_probe(drm->dev, PTR_ERR(vop2->vop_grf), + "cannot get vop_grf\n"); } if (vop2_data->feature & VOP2_FEATURE_HAS_VO1_GRF) { vop2->vo1_grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,vo1-grf"); if (IS_ERR(vop2->vo1_grf)) - return dev_err_probe(dev, PTR_ERR(vop2->vo1_grf), "cannot get vo1_grf"); + return dev_err_probe(drm->dev, PTR_ERR(vop2->vo1_grf), + "cannot get vo1_grf\n"); } if (vop2_data->feature & VOP2_FEATURE_HAS_SYS_PMU) { vop2->sys_pmu = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,pmu"); if (IS_ERR(vop2->sys_pmu)) - return dev_err_probe(dev, PTR_ERR(vop2->sys_pmu), "cannot get sys_pmu"); + return dev_err_probe(drm->dev, PTR_ERR(vop2->sys_pmu), + "cannot get sys_pmu\n"); } vop2->hclk = devm_clk_get(vop2->dev, "hclk"); - if (IS_ERR(vop2->hclk)) { - drm_err(vop2->drm, "failed to get hclk source\n"); - return PTR_ERR(vop2->hclk); - } + if (IS_ERR(vop2->hclk)) + return dev_err_probe(drm->dev, PTR_ERR(vop2->hclk), + "failed to get hclk source\n"); vop2->aclk = devm_clk_get(vop2->dev, "aclk"); - if (IS_ERR(vop2->aclk)) { - drm_err(vop2->drm, "failed to get aclk source\n"); - return PTR_ERR(vop2->aclk); - } + if (IS_ERR(vop2->aclk)) + return dev_err_probe(drm->dev, PTR_ERR(vop2->aclk), + "failed to get aclk source\n"); vop2->pclk = devm_clk_get_optional(vop2->dev, "pclk_vop"); - if (IS_ERR(vop2->pclk)) { - drm_err(vop2->drm, "failed to get pclk source\n"); - return PTR_ERR(vop2->pclk); - } + if (IS_ERR(vop2->pclk)) + return dev_err_probe(drm->dev, PTR_ERR(vop2->pclk), + "failed to get pclk source\n"); vop2->pll_hdmiphy0 = devm_clk_get_optional(vop2->dev, "pll_hdmiphy0"); - if (IS_ERR(vop2->pll_hdmiphy0)) { - drm_err(vop2->drm, "failed to get pll_hdmiphy0\n"); - return PTR_ERR(vop2->pll_hdmiphy0); - } + if (IS_ERR(vop2->pll_hdmiphy0)) + return dev_err_probe(drm->dev, PTR_ERR(vop2->pll_hdmiphy0), + "failed to get pll_hdmiphy0\n"); vop2->pll_hdmiphy1 = devm_clk_get_optional(vop2->dev, "pll_hdmiphy1"); if (IS_ERR(vop2->pll_hdmiphy1)) @@ -3757,10 +3750,8 @@ static int vop2_bind(struct device *dev, struct device *master, void *data) "failed to get pll_hdmiphy1\n"); vop2->irq = platform_get_irq(pdev, 0); - if (vop2->irq < 0) { - drm_err(vop2->drm, "cannot find irq for vop2\n"); - return vop2->irq; - } + if (vop2->irq < 0) + return dev_err_probe(drm->dev, vop2->irq, "cannot find irq for vop2\n"); mutex_init(&vop2->vop2_lock); -- 2.48.1