[{"id":1764659,"web_url":"http://patchwork.ozlabs.org/comment/1764659/","msgid":"","list_archive_url":null,"date":"2017-09-07T11:27:45","subject":"Re: [PATCH v2 2/3] ARM: dts: exynos: Add clean name of compatible.","submitter":{"id":4023,"url":"http://patchwork.ozlabs.org/api/people/4023/","name":"Marek Szyprowski","email":"m.szyprowski@samsung.com"},"content":"Hi Hoegeun,\n\nOn 2017-09-07 11:39, Hoegeun Kwon wrote:\n> Exynos 5250 and 5420 have different hardware rotation limits. However,\n> currently it uses only one compatible - \"exynos5-gsc\". Since we have\n> to distinguish between these two, we add different compatible.\n>\n> Signed-off-by: Hoegeun Kwon \n\nThe new values (5250/5420 specific) should replace old exynos5-gsc, \nthere is no\npoint providing both in dts.\n\n> ---\n> arch/arm/boot/dts/exynos5250.dtsi | 8 ++++----\n> arch/arm/boot/dts/exynos5420.dtsi | 4 ++--\n> 2 files changed, 6 insertions(+), 6 deletions(-)\n>\n> diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi\n> index 8dbeb87..f795c76 100644\n> --- a/arch/arm/boot/dts/exynos5250.dtsi\n> +++ b/arch/arm/boot/dts/exynos5250.dtsi\n> @@ -637,7 +637,7 @@\n> \t\t};\n> \n> \t\tgsc_0: gsc@13e00000 {\n> -\t\t\tcompatible = \"samsung,exynos5-gsc\";\n> +\t\t\tcompatible = \"samsung,exynos5-gsc\", samsung,exynos5250-gsc\";\n> \t\t\treg = <0x13e00000 0x1000>;\n> \t\t\tinterrupts = ;\n> \t\t\tpower-domains = <&pd_gsc>;\n> @@ -647,7 +647,7 @@\n> \t\t};\n> \n> \t\tgsc_1: gsc@13e10000 {\n> -\t\t\tcompatible = \"samsung,exynos5-gsc\";\n> +\t\t\tcompatible = \"samsung,exynos5-gsc\", samsung,exynos5250-gsc\";\n> \t\t\treg = <0x13e10000 0x1000>;\n> \t\t\tinterrupts = ;\n> \t\t\tpower-domains = <&pd_gsc>;\n> @@ -657,7 +657,7 @@\n> \t\t};\n> \n> \t\tgsc_2: gsc@13e20000 {\n> -\t\t\tcompatible = \"samsung,exynos5-gsc\";\n> +\t\t\tcompatible = \"samsung,exynos5-gsc\", samsung,exynos5250-gsc\";\n> \t\t\treg = <0x13e20000 0x1000>;\n> \t\t\tinterrupts = ;\n> \t\t\tpower-domains = <&pd_gsc>;\n> @@ -667,7 +667,7 @@\n> \t\t};\n> \n> \t\tgsc_3: gsc@13e30000 {\n> -\t\t\tcompatible = \"samsung,exynos5-gsc\";\n> +\t\t\tcompatible = \"samsung,exynos5-gsc\", samsung,exynos5250-gsc\";\n> \t\t\treg = <0x13e30000 0x1000>;\n> \t\t\tinterrupts = ;\n> \t\t\tpower-domains = <&pd_gsc>;\n> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi\n> index 02d2f89..86afe77 100644\n> --- a/arch/arm/boot/dts/exynos5420.dtsi\n> +++ b/arch/arm/boot/dts/exynos5420.dtsi\n> @@ -658,7 +658,7 @@\n> \t\t};\n> \n> \t\tgsc_0: video-scaler@13e00000 {\n> -\t\t\tcompatible = \"samsung,exynos5-gsc\";\n> +\t\t\tcompatible = \"samsung,exynos5-gsc\", \"samsung,exynos5420-gsc\";\n> \t\t\treg = <0x13e00000 0x1000>;\n> \t\t\tinterrupts = ;\n> \t\t\tclocks = <&clock CLK_GSCL0>;\n> @@ -668,7 +668,7 @@\n> \t\t};\n> \n> \t\tgsc_1: video-scaler@13e10000 {\n> -\t\t\tcompatible = \"samsung,exynos5-gsc\";\n> +\t\t\tcompatible = \"samsung,exynos5-gsc\", \"samsung,exynos5420-gsc\";\n> \t\t\treg = <0x13e10000 0x1000>;\n> \t\t\tinterrupts = ;\n> \t\t\tclocks = <&clock CLK_GSCL1>;\n\nBest regards","headers":{"Return-Path":"","X-Original-To":"incoming-dt@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-dt@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; 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WOW64; rv:52.0) Gecko/20100101\n\tThunderbird/52.3.0","MIME-version":"1.0","In-reply-to":"<1504777143-29834-3-git-send-email-hoegeun.kwon@samsung.com>","Content-type":"text/plain; charset=\"utf-8\"; format=\"flowed\"","Content-transfer-encoding":"7bit","Content-language":"en-US","X-Brightmail-Tracker":["H4sIAAAAAAAAA02SbUhTYRTHeXbvtutodpvWTipawyQ0NU3oqmmpBVf6Ul+iaVC3vKj42jYl\n\tC1KL+TJn2sKyIVr4RmOhzmXSi7BlaUnzJVEsUMtQMtTMDBWxnLvCvv3O/5zn+T//w0Ngkg98\n\tDyI1U8UqMpl0mUCEd7xb7Q8MDWyTH/7TEESV297zqIUmLaLqum18anh5QUAtNGsElG6iEqcq\n\tpn5iVH9/q5AyTY3wqU8vagRUdX8Xj2ocHeRR6tfdQurHYi9+wpU21hoRbTKUCujnfyf59ERZ\n\tD49ub8in75gNiF4yeZ8RJoiOJbHpqbmsIjj6kijl15MGlK2WXqua9S1AxRINciGADAPD+LTQ\n\twXtgYLxFoEEiQkI2Iqgpr+Q5iiUElod9vO0TWu1LrtGE4Gu9FnMUMwj+dTfj9ik38jSYdaat\n\tKXdyCMFE4YjQXmCkAcFnfS2yTwnIENDMaTYdCUJMRsMzW6pdxskD0DRZwrfzbvICFFvHMDuL\n\tyV2wcm98y8CFjIf1rrotHSMjYHpDzXewD7Qb5zhdCrfVY7jdF8haIdjMNVyGk2Cp0HLsBrM9\n\tZm4DXlBaYuH0CgS31AEOrkZgmxM7OBLe9AxyZq6g63iA2d8PpBhKiril0nB/bYC7Jgamv3Vy\n\tS/2CQDc0z69EPnqnPHqnDHqnDHqnDI8QbkDubI4yI5lVHglSMhnKnMzkoCtZGSa0+cP6Nnp+\n\td6Ll3ggrIgkk2yEu8GyVS/hMrjIvw4qAwGTuYq+ANrlEnMTkXWcVWRcVOems0oo8CVwmFUcl\n\tFMklZDKjYtNYNptVbHd5hItHAWKK5h83n7L4iYQjobELVUsbRI1q+sbUIRpTtXglnc/M++gv\n\tSCsWXRYl1gcxDZheHfj9+HDszqdH77aajDFY81CcylvKzrkuHrx5dfQsCpfl5EcXzkQVm+rN\n\tQysj65X71iTnqnm+bfGv3soTI4P96srCXBM9x6R7w/ez+yxxqzJcmcKE+GMKJfMfmDBYll0D\n\tAAA=","H4sIAAAAAAAAA+NgFlrAIsWRmVeSWpSXmKPExsVy+t/xq7pGuhsjDf7fFLXoPXeSyeL9sh5G\n\ti/lHzrFaXPn6ns3i/fIuNotJ9yewWPQ/fs1scf78BnaLTY+vsVpc3jWHzWLG+X1MFkuvX2Sy\n\taN17hN3i5ccTLA58HmvmrWH02LSqk81j+7cHrB73u48zeWxeUu/Rt2UVo8fnTXIB7FFcNimp\n\tOZllqUX6dglcGR9WLmEsaBWvmPpKpYGxXaiLkZNDQsBEoqdnNxOELSZx4d56ti5GLg4hgSWM\n\tEpubjrBAOM8ZJfpWvmMEqRIW8JbYMmkTE0hCROASo8SSk/OYQRxmgVWMEnM/PmWFaLnNKNG2\n\tYCo7SAubgKFE19suoMEcHLwCdhJbz2WChFkEVCWWPehgBbFFBWIkfl56xAJi8woISvyYfA/M\n\t5hTwlPizbz4ziM0sYCbx5eVhVghbXmLzmrdQcXGJ5tabLBMYBWchaZ+FpGUWkpZZSFoWMLKs\n\tYhRJLS3OTc8tNtQrTswtLs1L10vOz93ECIy3bcd+bt7BeGlj8CFGAQ5GJR7ehP/rI4VYE8uK\n\tK3MPMUpwMCuJ8Mpob4wU4k1JrKxKLcqPLyrNSS0+xCjNwaIkztu7Z3WkkEB6YklqdmpqQWoR\n\tTJaJg1OqgVHXfnoPY2bCZA+XzYcu6vC6FjIv+D1xboSxfMA7vXsbv/196b0/SPX9Z7bYmmNN\n\tm1aeWFA361SUSrbmxRNHFia2ybOozZrWy9kc27600uq7zCnxdaZvn5599uHHysepB4zjam4w\n\t3b0us5396OOsWc5SqrZRm08cWSwS5B5aV2t7JjqZM6x0eqESS3FGoqEWc1FxIgDQtQ5FswIA\n\tAA=="],"X-CMS-MailID":"20170907112746eucas1p23f9ea290c4eb6a8b138508a023d452e9","X-Msg-Generator":"CA","X-Sender-IP":"182.198.249.179","X-Local-Sender":"=?utf-8?q?Marek_Szyprowski=1BSRPOL-Kernel_=28TP=29=1B?=\n\t=?utf-8?b?7IK87ISx7KCE7J6QG1NlbmlvciBTb2Z0d2FyZSBFbmdpbmVlcg==?=","X-Global-Sender":"=?utf-8?q?Marek_Szyprowski=1BSRPOL-Kernel_=28TP=29=1BSam?=\n\t=?utf-8?q?sung_Electronics=1BSenior_Software_Engineer?=","X-Sender-Code":"=?utf-8?q?C10=1BEHQ=1BC10CD02CD027392?=","CMS-TYPE":"201P","X-CMS-RootMailID":"20170907093912epcas2p2c012de3af3915a58d889c2d48e283705","X-RootMTR":"20170907093912epcas2p2c012de3af3915a58d889c2d48e283705","References":"<1504777143-29834-1-git-send-email-hoegeun.kwon@samsung.com>\n\t\n\t<1504777143-29834-3-git-send-email-hoegeun.kwon@samsung.com>","Sender":"devicetree-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"devicetree@vger.kernel.org"}},{"id":1764662,"web_url":"http://patchwork.ozlabs.org/comment/1764662/","msgid":"<0094d3eb-bf84-d5a0-65e9-8cb6df7f4b13@samsung.com>","list_archive_url":null,"date":"2017-09-07T11:30:24","subject":"Re: [PATCH v2 3/3] drm/exynos/gsc: Add hardware rotation limits","submitter":{"id":4023,"url":"http://patchwork.ozlabs.org/api/people/4023/","name":"Marek Szyprowski","email":"m.szyprowski@samsung.com"},"content":"Hi Hoegeun,\n\nOn 2017-09-07 11:39, Hoegeun Kwon wrote:\n> The gscaler has hardware rotation limits that need to be hardcoded\n> into driver. Distinguish them and add them to the property list.\n>\n> The hardware rotation limits are related to the cropped source size.\n> When swap occurs, use rot_max size instead of crop_max size.\n>\n> Also the scaling limits are related to pos size, use pos size to check\n> the limits.\n>\n> Signed-off-by: Hoegeun Kwon \n> ---\n> drivers/gpu/drm/exynos/exynos_drm_gsc.c | 100 +++++++++++++++++++++++---------\n> include/uapi/drm/exynos_drm.h | 2 +\n> 2 files changed, 73 insertions(+), 29 deletions(-)\n>\n> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c\n> index 0506b2b..590a645 100644\n> --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c\n> +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c\n> @@ -150,6 +150,15 @@ struct gsc_context {\n> \tbool\tsuspended;\n> };\n> \n> +/*\n> + * struct gsc_driverdata - per device type driver data for init time.\n> + *\n> + * @rot_max: rotation max resolution.\n> + */\n> +struct gsc_driverdata {\n> +\tstruct drm_exynos_sz rot_max;\n> +};\n> +\n> /* 8-tap Filter Coefficient */\n> static const int h_coef_8t[GSC_COEF_RATIO][GSC_COEF_ATTR][GSC_COEF_H_8T] = {\n> \t{\t/* Ratio <= 65536 (~8:8) */\n> @@ -1401,6 +1410,23 @@ static int gsc_ippdrv_check_property(struct device *dev,\n> \tbool swap;\n> \tint i;\n> \n> +\tconfig = &property->config[EXYNOS_DRM_OPS_DST];\n> +\n> +\t/* check for degree */\n> +\tswitch (config->degree) {\n> +\tcase EXYNOS_DRM_DEGREE_90:\n> +\tcase EXYNOS_DRM_DEGREE_270:\n> +\t\tswap = true;\n> +\t\tbreak;\n> +\tcase EXYNOS_DRM_DEGREE_0:\n> +\tcase EXYNOS_DRM_DEGREE_180:\n> +\t\tswap = false;\n> +\t\tbreak;\n> +\tdefault:\n> +\t\tDRM_ERROR(\"invalid degree.\\n\");\n> +\t\tgoto err_property;\n> +\t}\n> +\n> \tfor_each_ipp_ops(i) {\n> \t\tif ((i == EXYNOS_DRM_OPS_SRC) &&\n> \t\t\t(property->cmd == IPP_CMD_WB))\n> @@ -1416,21 +1442,6 @@ static int gsc_ippdrv_check_property(struct device *dev,\n> \t\t\tgoto err_property;\n> \t\t}\n> \n> -\t\t/* check for degree */\n> -\t\tswitch (config->degree) {\n> -\t\tcase EXYNOS_DRM_DEGREE_90:\n> -\t\tcase EXYNOS_DRM_DEGREE_270:\n> -\t\t\tswap = true;\n> -\t\t\tbreak;\n> -\t\tcase EXYNOS_DRM_DEGREE_0:\n> -\t\tcase EXYNOS_DRM_DEGREE_180:\n> -\t\t\tswap = false;\n> -\t\t\tbreak;\n> -\t\tdefault:\n> -\t\t\tDRM_ERROR(\"invalid degree.\\n\");\n> -\t\t\tgoto err_property;\n> -\t\t}\n> -\n> \t\t/* check for buffer bound */\n> \t\tif ((pos->x + pos->w > sz->hsize) ||\n> \t\t\t(pos->y + pos->h > sz->vsize)) {\n> @@ -1438,21 +1449,27 @@ static int gsc_ippdrv_check_property(struct device *dev,\n> \t\t\tgoto err_property;\n> \t\t}\n> \n> +\t\t/*\n> +\t\t * The rotation hardware limits are related to the cropped\n> +\t\t * source size. So use rot_max size to check the limits when\n> +\t\t * swap happens. And also the scaling limits are related to pos\n> +\t\t * size, use pos size to check the limits.\n> +\t\t */\n> \t\t/* check for crop */\n> \t\tif ((i == EXYNOS_DRM_OPS_SRC) && (pp->crop)) {\n> \t\t\tif (swap) {\n> \t\t\t\tif ((pos->h < pp->crop_min.hsize) ||\n> -\t\t\t\t\t(sz->vsize > pp->crop_max.hsize) ||\n> +\t\t\t\t\t(pos->h > pp->rot_max.hsize) ||\n> \t\t\t\t\t(pos->w < pp->crop_min.vsize) ||\n> -\t\t\t\t\t(sz->hsize > pp->crop_max.vsize)) {\n> +\t\t\t\t\t(pos->w > pp->rot_max.vsize)) {\n> \t\t\t\t\tDRM_ERROR(\"out of crop size.\\n\");\n> \t\t\t\t\tgoto err_property;\n> \t\t\t\t}\n> \t\t\t} else {\n> \t\t\t\tif ((pos->w < pp->crop_min.hsize) ||\n> -\t\t\t\t\t(sz->hsize > pp->crop_max.hsize) ||\n> +\t\t\t\t\t(pos->w > pp->crop_max.hsize) ||\n> \t\t\t\t\t(pos->h < pp->crop_min.vsize) ||\n> -\t\t\t\t\t(sz->vsize > pp->crop_max.vsize)) {\n> +\t\t\t\t\t(pos->h > pp->crop_max.vsize)) {\n> \t\t\t\t\tDRM_ERROR(\"out of crop size.\\n\");\n> \t\t\t\t\tgoto err_property;\n> \t\t\t\t}\n> @@ -1463,17 +1480,17 @@ static int gsc_ippdrv_check_property(struct device *dev,\n> \t\tif ((i == EXYNOS_DRM_OPS_DST) && (pp->scale)) {\n> \t\t\tif (swap) {\n> \t\t\t\tif ((pos->h < pp->scale_min.hsize) ||\n> -\t\t\t\t\t(sz->vsize > pp->scale_max.hsize) ||\n> +\t\t\t\t\t(pos->h > pp->scale_max.hsize) ||\n> \t\t\t\t\t(pos->w < pp->scale_min.vsize) ||\n> -\t\t\t\t\t(sz->hsize > pp->scale_max.vsize)) {\n> +\t\t\t\t\t(pos->w > pp->scale_max.vsize)) {\n> \t\t\t\t\tDRM_ERROR(\"out of scale size.\\n\");\n> \t\t\t\t\tgoto err_property;\n> \t\t\t\t}\n> \t\t\t} else {\n> \t\t\t\tif ((pos->w < pp->scale_min.hsize) ||\n> -\t\t\t\t\t(sz->hsize > pp->scale_max.hsize) ||\n> +\t\t\t\t\t(pos->w > pp->scale_max.hsize) ||\n> \t\t\t\t\t(pos->h < pp->scale_min.vsize) ||\n> -\t\t\t\t\t(sz->vsize > pp->scale_max.vsize)) {\n> +\t\t\t\t\t(pos->h > pp->scale_max.vsize)) {\n> \t\t\t\t\tDRM_ERROR(\"out of scale size.\\n\");\n> \t\t\t\t\tgoto err_property;\n> \t\t\t\t}\n> @@ -1657,6 +1674,27 @@ static void gsc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd)\n> \tgsc_write(cfg, GSC_ENABLE);\n> }\n> \n> +static struct gsc_driverdata gsc_exynos5250_drvdata = {\n> +\t.rot_max = { 2048, 2048 },\n> +};\n> +\n> +static struct gsc_driverdata gsc_exynos5420_drvdata = {\n> +\t.rot_max = { 2016, 2016 },\n> +};\n> +\n> +static const struct of_device_id exynos_drm_gsc_of_match[] = {\n> +\t{\n> +\t\t.compatible = \"samsung,exynos5250-gsc\",\n> +\t\t.data = &gsc_exynos5250_drvdata,\n> +\t},\n> +\t{\n> +\t\t.compatible = \"samsung,exynos5420-gsc\",\n> +\t\t.data = &gsc_exynos5420_drvdata,\n> +\t},\n> +\t{ },\n> +};\n> +MODULE_DEVICE_TABLE(of, exynos_drm_gsc_of_match);\n> +\n> static int gsc_probe(struct platform_device *pdev)\n> {\n> \tstruct device *dev = &pdev->dev;\n> @@ -1670,12 +1708,22 @@ static int gsc_probe(struct platform_device *pdev)\n> \t\treturn -ENOMEM;\n> \n> \tif (dev->of_node) {\n> +\t\tconst struct of_device_id *match;\n> +\t\tstruct gsc_driverdata *driver_data;\n> +\n> \t\tctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,\n> \t\t\t\t\t\t\t\"samsung,sysreg\");\n> \t\tif (IS_ERR(ctx->sysreg)) {\n> \t\t\tdev_warn(dev, \"failed to get system register.\\n\");\n> \t\t\tctx->sysreg = NULL;\n> \t\t}\n> +\n> +\t\tmatch = of_match_node(exynos_drm_gsc_of_match, dev->of_node);\n> +\t\tif (!match)\n> +\t\t\treturn -ENODEV;\n> +\n> +\t\tdriver_data = (struct gsc_driverdata *)match->data;\n\nPlease check of_device_get_match_data() kernel function. There is no \nneed to open code\ndriver variant matching here with of_match_node().\n\n> +\t\tctx->ippdrv.prop_list.rot_max = driver_data->rot_max;\n> \t}\n> \n> \t/* clock control */\n> @@ -1784,12 +1832,6 @@ static int __maybe_unused gsc_runtime_resume(struct device *dev)\n> \tSET_RUNTIME_PM_OPS(gsc_runtime_suspend, gsc_runtime_resume, NULL)\n> };\n> \n> -static const struct of_device_id exynos_drm_gsc_of_match[] = {\n> -\t{ .compatible = \"samsung,exynos5-gsc\" },\n> -\t{ },\n> -};\n> -MODULE_DEVICE_TABLE(of, exynos_drm_gsc_of_match);\n> -\n> struct platform_driver gsc_driver = {\n> \t.probe\t\t= gsc_probe,\n> \t.remove\t\t= gsc_remove,\n> diff --git a/include/uapi/drm/exynos_drm.h b/include/uapi/drm/exynos_drm.h\n> index cb3e9f9..d5d5518 100644\n> --- a/include/uapi/drm/exynos_drm.h\n> +++ b/include/uapi/drm/exynos_drm.h\n> @@ -192,6 +192,7 @@ enum drm_exynos_planer {\n> * @crop_max: crop max resolution.\n> * @scale_min: scale min resolution.\n> * @scale_max: scale max resolution.\n> + * @rot_max: rotation max resolution.\n> */\n> struct drm_exynos_ipp_prop_list {\n> \t__u32\tversion;\n> @@ -210,6 +211,7 @@ struct drm_exynos_ipp_prop_list {\n> \tstruct drm_exynos_sz\tcrop_max;\n> \tstruct drm_exynos_sz\tscale_min;\n> \tstruct drm_exynos_sz\tscale_max;\n> +\tstruct drm_exynos_sz\trot_max;\n> };\n> \n> /**\n\nBest regards","headers":{"Return-Path":"","X-Original-To":"incoming-dt@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-dt@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=devicetree-owner@vger.kernel.org; receiver=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xnytc1hc1z9sNd\n\tfor ;\n\tThu, 7 Sep 2017 21:30:32 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1754796AbdIGLab (ORCPT\n\t);\n\tThu, 7 Sep 2017 07:30:31 -0400","from mailout2.w1.samsung.com ([210.118.77.12]:34899 \"EHLO\n\tmailout2.w1.samsung.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1754219AbdIGLa3 (ORCPT\n\t); Thu, 7 Sep 2017 07:30:29 -0400","from eucas1p2.samsung.com (unknown [182.198.249.207])\n\tby mailout2.w1.samsung.com (KnoxPortal) with ESMTP id\n\t20170907113027euoutp02cd32a321eb57d099258b53bdac8a13e4~iEOsDz9m_0554805548euoutp02g;\n\tThu, 7 Sep 2017 11:30:27 +0000 (GMT)","from eusmges5.samsung.com (unknown [203.254.199.245]) by\n\teucas1p1.samsung.com (KnoxPortal) with ESMTP id\n\t20170907113026eucas1p1ad0a4803669f8a287e496ea52a931305~iEOrdq1gh1475914759eucas1p1Y;\n\tThu, 7 Sep 2017 11:30:26 +0000 (GMT)","from eucas1p1.samsung.com ( [182.198.249.206]) by\n\teusmges5.samsung.com (EUCPMTA) with SMTP id 71.D2.12743.2DD21B95;\n\tThu, 7 Sep 2017 12:30:26 +0100 (BST)","from eusmgms1.samsung.com (unknown [182.198.249.179]) by\n\teucas1p2.samsung.com (KnoxPortal) with ESMTP id\n\t20170907113025eucas1p26d402bb74d89f1db674f091bf8ad326e~iEOq21Rib1372813728eucas1p2k;\n\tThu, 7 Sep 2017 11:30:25 +0000 (GMT)","from eusync3.samsung.com ( [203.254.199.213]) by\n\teusmgms1.samsung.com (EUCPMTA) with SMTP id 1D.B4.18832.1DD21B95;\n\tThu, 7 Sep 2017 12:30:25 +0100 (BST)","from [106.116.147.30] by eusync3.samsung.com (Oracle\n\tCommunications Messaging Server 7.0.5.31.0 64bit (built May 5 2014))\n\twith ESMTPA id <0OVW009XLQMPTSB0@eusync3.samsung.com>;\n\tThu, 07 Sep 2017 12:30:25 +0100 (BST)"],"X-AuditID":"cbfec7f5-f79d06d0000031c7-29-59b12dd2811f","Subject":"Re: [PATCH v2 3/3] drm/exynos/gsc: Add hardware rotation limits","To":"Hoegeun Kwon , inki.dae@samsung.com,\n\tairlied@linux.ie, kgene@kernel.org, krzk@kernel.org,\n\trobh+dt@kernel.org, mark.rutland@arm.com, catalin.marinas@arm.com,\n\twill.deacon@arm.com","Cc":"dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org,\n\tlinux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,\n\tdevicetree@vger.kernel.org","From":"Marek Szyprowski ","Message-id":"<0094d3eb-bf84-d5a0-65e9-8cb6df7f4b13@samsung.com>","Date":"Thu, 07 Sep 2017 13:30:24 +0200","User-Agent":"Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101\n\tThunderbird/52.3.0","MIME-version":"1.0","In-reply-to":"<1504777143-29834-4-git-send-email-hoegeun.kwon@samsung.com>","Content-type":"text/plain; charset=\"utf-8\"; format=\"flowed\"","Content-transfer-encoding":"7bit","Content-language":"en-US","X-Brightmail-Tracker":["H4sIAAAAAAAAA+NgFjrDKsWRmVeSWpSXmKPExsWy7djPc7qXdDdGGjQ2cFn0njvJZPF+WQ+j\n\txfwj51gtrnx9z2bxfnkXm8Wk+xNYLPofv2a2OH9+A7vFpsfXWC0u75rDZjHj/D4mi6XXLzJZ\n\ttO49wm7x8uMJFgc+jzXz1jB6bFrVyeax/dsDVo/73ceZPDYvqffo27KK0ePzJrkA9igum5TU\n\tnMyy1CJ9uwSujH0rtzAWbLSuOP2shbWBcYVuFyMnh4SAicSmu9dYIWwxiQv31rN1MXJxCAks\n\tZZRYMuc1lPOZUeLCh5PMMB2/ej6xQiSWMUo8frYEquo5o8TvdZfAqoQFPCTef1sAlhARuMQo\n\tcb/xGjuIwyywilHi1qx5jCBVbAKGEl1vu9hAbF4BO4lXrxawg9gsAqoSdybuBLNFBWIk2g/d\n\tZIaoEZT4MfkeC4jNKeApseP/fLDLmQWsJJ79a4Wy5SU2r3nLDGGLSzS33mQBWSwhMJldYsHy\n\tGewQT7hIbJm7CMoWlnh1fAuULSPR2XGQCcLuZ5RoatWGsGcwSpx7ywthW0scPn4RahmfxKRt\n\t04GWcQDFeSU62oQgSjwkTqzrhhrpKPHo1X4WSBDdZpR4MmMX4wRG+VlI/pmF5IdZSH6YheSH\n\tBYwsqxhFUkuLc9NTi031ihNzi0vz0vWS83M3MQLT2Ol/x7/uYFx6zOoQowAHoxIPb4P0hkgh\n\t1sSy4srcQ4wSHMxKIrwy2hsjhXhTEiurUovy44tKc1KLDzFKc7AoifPaRrVFCgmkJ5akZqem\n\tFqQWwWSZODilGhhn1vwR/PKsKrpTfN0ny2Kz0r+zNjtu4D6Wyxs1JYp9/525Tpmtsb/Sdh+8\n\tOL2kpt7v15KwK6Khj0ud66bx22TYh2h07H7awfOn/1DLC5X3RkzeiqssfxYyx996c93tc1dK\n\tz1HFZyZKjlPjnFXbJ35O5u9ztX/x7pDFltOt7sn2b22L4wKs05VYijMSDbWYi4oTATw3Gutf\n\tAwAA","H4sIAAAAAAAAA+NgFlrEIsWRmVeSWpSXmKPExsVy+t/xq7oXdTdGGixs1rXoPXeSyeL9sh5G\n\ti/lHzrFaXPn6ns3i/fIuNotJ9yewWPQ/fs1scf78BnaLTY+vsVpc3jWHzWLG+X1MFkuvX2Sy\n\taN17hN3i5ccTLA58HmvmrWH02LSqk81j+7cHrB73u48zeWxeUu/Rt2UVo8fnTXIB7FFcNimp\n\tOZllqUX6dglcGftWbmEs2GhdcfpZC2sD4wrdLkZODgkBE4lfPZ9YIWwxiQv31rN1MXJxCAks\n\tYZT4sOAAM4TznFHiZvs2ZpAqYQEPifffFoBViQhcYpRYcnIeWBWzwCpGibkfn7JCtNxmlDje\n\t8ogdpIVNwFCi620XG4jNK2An8erVArA4i4CqxJ2JO8FsUYEYiZ+XHrFA1AhK/Jh8D8zmFPCU\n\t2PF/PtiBzAJmEl9eHoay5SU2r3nLDGGLSzS33mSZwCg4C0n7LCQts5C0zELSsoCRZRWjSGpp\n\tcW56brGhXnFibnFpXrpecn7uJkZgzG079nPzDsZLG4MPMQpwMCrx8Cb8Xx8pxJpYVlyZe4hR\n\tgoNZSYRXRntjpBBvSmJlVWpRfnxRaU5q8SFGaQ4WJXHe3j2rI4UE0hNLUrNTUwtSi2CyTByc\n\tUg2MDpaL1isKh8R52C4rPbhqaYv2omNOmmwyu5J3T+fSM0+N5lHYuX7FWvu5Oy6xOqVmtwqq\n\tf4/rCCu4cfWRrHBT8Mcs2XdM/q63fBdc3PvlT0r8NqmX9Xf1pz6K+BrUaHs5fFex1fvJtydt\n\tUdmm9eNf/xpThZOdE8PaRHji3Z5tUbENZOw2DtRQYinOSDTUYi4qTgQAsnpnjLUCAAA="],"X-CMS-MailID":"20170907113025eucas1p26d402bb74d89f1db674f091bf8ad326e","X-Msg-Generator":"CA","X-Sender-IP":"182.198.249.179","X-Local-Sender":"=?utf-8?q?Marek_Szyprowski=1BSRPOL-Kernel_=28TP=29=1B?=\n\t=?utf-8?b?7IK87ISx7KCE7J6QG1NlbmlvciBTb2Z0d2FyZSBFbmdpbmVlcg==?=","X-Global-Sender":"=?utf-8?q?Marek_Szyprowski=1BSRPOL-Kernel_=28TP=29=1BSam?=\n\t=?utf-8?q?sung_Electronics=1BSenior_Software_Engineer?=","X-Sender-Code":"=?utf-8?q?C10=1BEHQ=1BC10CD02CD027392?=","CMS-TYPE":"201P","X-CMS-RootMailID":"20170907093912epcas2p198ae12fc11fb2b8a7a9e8d6be817e796","X-RootMTR":"20170907093912epcas2p198ae12fc11fb2b8a7a9e8d6be817e796","References":"<1504777143-29834-1-git-send-email-hoegeun.kwon@samsung.com>\n\t\n\t<1504777143-29834-4-git-send-email-hoegeun.kwon@samsung.com>","Sender":"devicetree-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"devicetree@vger.kernel.org"}},{"id":1765047,"web_url":"http://patchwork.ozlabs.org/comment/1765047/","msgid":"<56587be3-a08e-f9a0-6d55-287ed3e1aad9@samsung.com>","list_archive_url":null,"date":"2017-09-08T02:48:30","subject":"Re: [PATCH v2 2/3] ARM: dts: exynos: Add clean name of compatible.","submitter":{"id":70608,"url":"http://patchwork.ozlabs.org/api/people/70608/","name":"Hoegeun Kwon","email":"hoegeun.kwon@samsung.com"},"content":"On 09/07/2017 08:27 PM, Marek Szyprowski wrote:\n> Hi Hoegeun,\n>\n> On 2017-09-07 11:39, Hoegeun Kwon wrote:\n>> Exynos 5250 and 5420 have different hardware rotation limits. However,\n>> currently it uses only one compatible - \"exynos5-gsc\". Since we have\n>> to distinguish between these two, we add different compatible.\n>>\n>> Signed-off-by: Hoegeun Kwon \n>\n> The new values (5250/5420 specific) should replace old exynos5-gsc, \n> there is no\n> point providing both in dts.\n>\n\nHi Marek,\n\nThanks for your review.\n\nI used both compatibles to not modify v4l2.\nBut v4l2 will also be fixed, so 'exynos5-gsc' will be removed.\n\nAnd also, Thanks for your comment for of_device_get_match_data() of \npatch(3/3).\n\nBest regards,\nHoegeun\n\n>> ---\n>> arch/arm/boot/dts/exynos5250.dtsi | 8 ++++----\n>> arch/arm/boot/dts/exynos5420.dtsi | 4 ++--\n>> 2 files changed, 6 insertions(+), 6 deletions(-)\n>>\n>> diff --git a/arch/arm/boot/dts/exynos5250.dtsi \n>> b/arch/arm/boot/dts/exynos5250.dtsi\n>> index 8dbeb87..f795c76 100644\n>> --- a/arch/arm/boot/dts/exynos5250.dtsi\n>> +++ b/arch/arm/boot/dts/exynos5250.dtsi\n>> @@ -637,7 +637,7 @@\n>> };\n>> gsc_0: gsc@13e00000 {\n>> - compatible = \"samsung,exynos5-gsc\";\n>> + compatible = \"samsung,exynos5-gsc\", \n>> samsung,exynos5250-gsc\";\n>> reg = <0x13e00000 0x1000>;\n>> interrupts = ;\n>> power-domains = <&pd_gsc>;\n>> @@ -647,7 +647,7 @@\n>> };\n>> gsc_1: gsc@13e10000 {\n>> - compatible = \"samsung,exynos5-gsc\";\n>> + compatible = \"samsung,exynos5-gsc\", \n>> samsung,exynos5250-gsc\";\n>> reg = <0x13e10000 0x1000>;\n>> interrupts = ;\n>> power-domains = <&pd_gsc>;\n>> @@ -657,7 +657,7 @@\n>> };\n>> gsc_2: gsc@13e20000 {\n>> - compatible = \"samsung,exynos5-gsc\";\n>> + compatible = \"samsung,exynos5-gsc\", \n>> samsung,exynos5250-gsc\";\n>> reg = <0x13e20000 0x1000>;\n>> interrupts = ;\n>> power-domains = <&pd_gsc>;\n>> @@ -667,7 +667,7 @@\n>> };\n>> gsc_3: gsc@13e30000 {\n>> - compatible = \"samsung,exynos5-gsc\";\n>> + compatible = \"samsung,exynos5-gsc\", \n>> samsung,exynos5250-gsc\";\n>> reg = <0x13e30000 0x1000>;\n>> interrupts = ;\n>> power-domains = <&pd_gsc>;\n>> diff --git a/arch/arm/boot/dts/exynos5420.dtsi \n>> b/arch/arm/boot/dts/exynos5420.dtsi\n>> index 02d2f89..86afe77 100644\n>> --- a/arch/arm/boot/dts/exynos5420.dtsi\n>> +++ b/arch/arm/boot/dts/exynos5420.dtsi\n>> @@ -658,7 +658,7 @@\n>> };\n>> gsc_0: video-scaler@13e00000 {\n>> - compatible = \"samsung,exynos5-gsc\";\n>> + compatible = \"samsung,exynos5-gsc\", \n>> \"samsung,exynos5420-gsc\";\n>> reg = <0x13e00000 0x1000>;\n>> interrupts = ;\n>> clocks = <&clock CLK_GSCL0>;\n>> @@ -668,7 +668,7 @@\n>> };\n>> gsc_1: video-scaler@13e10000 {\n>> - compatible = \"samsung,exynos5-gsc\";\n>> + compatible = \"samsung,exynos5-gsc\", \n>> \"samsung,exynos5420-gsc\";\n>> reg = <0x13e10000 0x1000>;\n>> interrupts = ;\n>> clocks = <&clock CLK_GSCL1>;\n>\n> Best regards\n\n--\nTo unsubscribe from this list: send the line \"unsubscribe devicetree\" in\nthe body of a message to majordomo@vger.kernel.org\nMore majordomo info at http://vger.kernel.org/majordomo-info.html","headers":{"Return-Path":"","X-Original-To":"incoming-dt@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-dt@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; 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