drm/exynos/hdmi: use array specifier for HDMI-PHY configurations

HDMI-PHY configurations are stored as array pointer and count pair,
we can re-use existing helpers to simplify their initialization.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 9bef72f..1b60cc7 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -90,6 +90,16 @@ static const char * const supply[] = {
        "vdd_pll",
 };
 
+struct hdmiphy_config {
+       int pixel_clock;
+       u8 conf[32];
+};
+
+struct hdmiphy_configs {
+       int count;
+       const struct hdmiphy_config *data;
+};
+
 struct string_array_spec {
        int count;
        const char * const *data;
@@ -99,9 +109,8 @@ struct string_array_spec {
 
 struct hdmi_driver_data {
        unsigned int type;
-       const struct hdmiphy_config *phy_confs;
-       unsigned int phy_conf_count;
        unsigned int is_apb_phy:1;
+       struct hdmiphy_configs phy_confs;
        struct string_array_spec clk_gates;
        /*
         * Array of triplets (p_off, p_on, clock), where p_off and p_on are
@@ -145,11 +154,6 @@ static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c)
        return container_of(c, struct hdmi_context, connector);
 }
 
-struct hdmiphy_config {
-       int pixel_clock;
-       u8 conf[32];
-};
-
 /* list of phy config settings */
 static const struct hdmiphy_config hdmiphy_v13_configs[] = {
        {
@@ -521,27 +525,24 @@ static const char * const hdmi_clk_muxes4[] = {
 
 static const struct hdmi_driver_data exynos5420_hdmi_driver_data = {
        .type           = HDMI_TYPE14,
-       .phy_confs      = hdmiphy_5420_configs,
-       .phy_conf_count = ARRAY_SIZE(hdmiphy_5420_configs),
        .is_apb_phy     = 1,
+       .phy_confs      = INIT_ARRAY_SPEC(hdmiphy_5420_configs),
        .clk_gates      = INIT_ARRAY_SPEC(hdmi_clk_gates4),
        .clk_muxes      = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
 };
 
 static const struct hdmi_driver_data exynos4212_hdmi_driver_data = {
        .type           = HDMI_TYPE14,
-       .phy_confs      = hdmiphy_v14_configs,
-       .phy_conf_count = ARRAY_SIZE(hdmiphy_v14_configs),
        .is_apb_phy     = 0,
+       .phy_confs      = INIT_ARRAY_SPEC(hdmiphy_v14_configs),
        .clk_gates      = INIT_ARRAY_SPEC(hdmi_clk_gates4),
        .clk_muxes      = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
 };
 
 static const struct hdmi_driver_data exynos4210_hdmi_driver_data = {
        .type           = HDMI_TYPE13,
-       .phy_confs      = hdmiphy_v13_configs,
-       .phy_conf_count = ARRAY_SIZE(hdmiphy_v13_configs),
        .is_apb_phy     = 0,
+       .phy_confs      = INIT_ARRAY_SPEC(hdmiphy_v13_configs),
        .clk_gates      = INIT_ARRAY_SPEC(hdmi_clk_gates4),
        .clk_muxes      = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
 };
@@ -1065,10 +1066,11 @@ static int hdmi_get_modes(struct drm_connector *connector)
 
 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
 {
+       const struct hdmiphy_configs *confs = &hdata->drv_data->phy_confs;
        int i;
 
-       for (i = 0; i < hdata->drv_data->phy_conf_count; i++)
-               if (hdata->drv_data->phy_confs[i].pixel_clock == pixel_clock)
+       for (i = 0; i < confs->count; i++)
+               if (confs->data[i].pixel_clock == pixel_clock)
                        return i;
 
        DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock);
@@ -1609,7 +1611,7 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
        }
 
        ret = hdmiphy_reg_write_buf(hdata, 0,
-                       hdata->drv_data->phy_confs[i].conf, 32);
+                       hdata->drv_data->phy_confs.data[i].conf, 32);
        if (ret) {
                DRM_ERROR("failed to configure hdmiphy\n");
                return;