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And, call it from dc_{fl,fw)_bind() to get DPR channels for FetchLayer and FetchWarp. Signed-off-by: Liu Ying --- drivers/gpu/drm/imx/dc/dc-fl.c | 7 ++++++- drivers/gpu/drm/imx/dc/dc-fu.c | 18 ++++++++++++++++++ drivers/gpu/drm/imx/dc/dc-fu.h | 5 +++++ drivers/gpu/drm/imx/dc/dc-fw.c | 7 ++++++- 4 files changed, 35 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/imx/dc/dc-fl.c b/drivers/gpu/drm/imx/dc/dc-fl.c index 3ce24c72aa13e8aa150c0152a5a1ea3d0fa90b7e..a1835f43da0dc5cf0c83d93f16658b485011e285 100644 --- a/drivers/gpu/drm/imx/dc/dc-fl.c +++ b/drivers/gpu/drm/imx/dc/dc-fl.c @@ -101,13 +101,18 @@ static int dc_fl_bind(struct device *dev, struct device *master, void *data) void __iomem *base_cfg; struct dc_fl *fl; struct dc_fu *fu; - int i, id; + int ret, i, id; fl = devm_kzalloc(dev, sizeof(*fl), GFP_KERNEL); if (!fl) return -ENOMEM; fu = &fl->fu; + fu->dev = dev; + + ret = dc_fu_get_dprc(fu); + if (ret) + return ret; res_pec = platform_get_resource(pdev, IORESOURCE_MEM, 0); diff --git a/drivers/gpu/drm/imx/dc/dc-fu.c b/drivers/gpu/drm/imx/dc/dc-fu.c index b36d3034b8d5962eaab212b6b65ebbb5c29f978c..47d436abb65157de7cab74565e44b199be76de52 100644 --- a/drivers/gpu/drm/imx/dc/dc-fu.c +++ b/drivers/gpu/drm/imx/dc/dc-fu.c @@ -10,6 +10,7 @@ #include "dc-fu.h" #include "dc-pe.h" +#include "dc-prg.h" /* STATICCONTROL */ #define SHDLDREQSTICKY_MASK GENMASK(31, 24) @@ -256,3 +257,20 @@ void dc_fu_common_hw_init(struct dc_fu *fu) dc_fu_set_pixel_blend_mode(fu, i); } } + +int dc_fu_get_dprc(struct dc_fu *fu) +{ + struct dc_prg *prg; + + prg = dc_prg_lookup_by_phandle(fu->dev, "fsl,prg", 0); + if (!prg) + return dev_err_probe(fu->dev, -EPROBE_DEFER, + "failed to lookup PRG\n"); + + fu->dprc = dc_prg_get_dprc(prg); + if (!fu->dprc) + return dev_err_probe(fu->dev, -EPROBE_DEFER, + "failed to get DPR channel\n"); + + return 0; +} diff --git a/drivers/gpu/drm/imx/dc/dc-fu.h b/drivers/gpu/drm/imx/dc/dc-fu.h index 518d1af49f5ae9d4f67da5e6c2e80abd7e962120..44b9497e53580589a05bcb180eb2312ea4449da4 100644 --- a/drivers/gpu/drm/imx/dc/dc-fu.h +++ b/drivers/gpu/drm/imx/dc/dc-fu.h @@ -8,11 +8,13 @@ #include #include +#include #include #include #include +#include "dc-dprc.h" #include "dc-pe.h" #define FRAC_OFFSET 0x28 @@ -99,6 +101,7 @@ struct dc_fu_ops { }; struct dc_fu { + struct device *dev; struct regmap *reg_pec; struct regmap *reg_cfg; char name[21]; @@ -114,6 +117,7 @@ struct dc_fu { enum dc_link_id link_id; struct dc_fu_ops ops; struct dc_lb *lb; + struct dc_dprc *dprc; }; extern const struct dc_fu_ops dc_fu_common_ops; @@ -123,6 +127,7 @@ void dc_fu_get_pixel_format_shifts(struct dc_fu *fu, u32 format, u32 *shifts); void dc_fu_shdldreq_sticky(struct dc_fu *fu, u8 layer_mask); void dc_fu_set_src_bpp(struct dc_fu *fu, enum dc_fu_frac frac, unsigned int bpp); void dc_fu_common_hw_init(struct dc_fu *fu); +int dc_fu_get_dprc(struct dc_fu *fu); const struct dc_fu_ops *dc_fu_get_ops(struct dc_fu *fu); diff --git a/drivers/gpu/drm/imx/dc/dc-fw.c b/drivers/gpu/drm/imx/dc/dc-fw.c index acb2d4d9e2ecd6d36dbab050f25b560d9ec9aba5..c2e60741bc871c6976ead53f132b60f19352aab3 100644 --- a/drivers/gpu/drm/imx/dc/dc-fw.c +++ b/drivers/gpu/drm/imx/dc/dc-fw.c @@ -131,13 +131,18 @@ static int dc_fw_bind(struct device *dev, struct device *master, void *data) void __iomem *base_cfg; struct dc_fw *fw; struct dc_fu *fu; - int i, id; + int ret, i, id; fw = devm_kzalloc(dev, sizeof(*fw), GFP_KERNEL); if (!fw) return -ENOMEM; fu = &fw->fu; + fu->dev = dev; + + ret = dc_fu_get_dprc(fu); + if (ret) + return ret; base_pec = devm_platform_get_and_ioremap_resource(pdev, 0, &res_pec); if (IS_ERR(base_pec)) -- 2.34.1