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[82.149.12.148]) by smtp.gmail.com with ESMTPSA id sd6-20020a170906ce2600b00997e99a662bsm5315866ejb.20.2023.09.24.12.47.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Sep 2023 12:47:23 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: airlied@gmail.com, liuhaoran Cc: daniel@ffwll.ch, samuel@sholland.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, liuhaoran Subject: Re: [PATCH] drm/sun4i: Add error handling in sun4i_layer_init_one() Date: Sun, 24 Sep 2023 21:47:22 +0200 Message-ID: <2156768.irdbgypaU6@jernej-laptop> In-Reply-To: <20230924074216.17390-1-liuhaoran14@163.com> References: <20230924074216.17390-1-liuhaoran14@163.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! Dne nedelja, 24. september 2023 ob 09:42:16 CEST je liuhaoran napisal(a): > This patch adds error-handling for the drm_plane_create_alpha_property() > and drm_plane_create_zpos_property() inside the dw_hdmi_imx_probe(). dw_hdmi_imx_probe() is not from this driver. Best regards, Jernej > > Signed-off-by: liuhaoran > --- > drivers/gpu/drm/sun4i/sun4i_layer.c | 19 ++++++++++++++++--- > 1 file changed, 16 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c > index 98f3176366c0..a3343afb7935 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_layer.c > +++ b/drivers/gpu/drm/sun4i/sun4i_layer.c > @@ -224,9 +224,22 @@ static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm, > drm_plane_helper_add(&layer->plane, > &sun4i_backend_layer_helper_funcs); > > - drm_plane_create_alpha_property(&layer->plane); > - drm_plane_create_zpos_property(&layer->plane, layer->id, > - 0, SUN4I_BACKEND_NUM_LAYERS - 1); > + ret = drm_plane_create_alpha_property(&layer->plane); > + > + if (ret) { > + dev_err(drm->dev, "Failed to install alpha property, > + rc = %d\n", ret); > + return ERR_PTR(ret); > + } > + > + ret = drm_plane_create_zpos_property(&layer->plane, layer->id, 0, > + SUN4I_BACKEND_NUM_LAYERS - 1); > + > + if (ret) { > + dev_err(drm->dev, "Failed to install zpos property, > + rc = %d\n", ret); > + return ERR_PTR(ret); > + } > > return layer; > } >