drm: rcar-du: Add num_rpf to struct rcar_du_device_info

Number of RPF's VSP is different on R-Car and RZ/G2L
 R-Car Gen3 -> 5 RPFs
 R-Car Gen2 -> 4 RPFs
 RZ/G2L -> 2 RPFs

Add num_rpf to struct rcar_du_device_info to support later
SoC without any code changes.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 88903e8..70d8561 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -55,6 +55,7 @@ static const struct rcar_du_device_info rzg1_du_r8a7743_info = {
                },
        },
        .num_lvds = 1,
+       .num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rzg1_du_r8a7745_info = {
@@ -77,6 +78,7 @@ static const struct rcar_du_device_info rzg1_du_r8a7745_info = {
                        .port = 1,
                },
        },
+       .num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rzg1_du_r8a77470_info = {
@@ -104,6 +106,7 @@ static const struct rcar_du_device_info rzg1_du_r8a77470_info = {
                        .port = 2,
                },
        },
+       .num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a774a1_info = {
@@ -133,6 +136,7 @@ static const struct rcar_du_device_info rcar_du_r8a774a1_info = {
                },
        },
        .num_lvds = 1,
+       .num_rpf = 5,
        .dpll_mask =  BIT(1),
 };
 
@@ -163,6 +167,7 @@ static const struct rcar_du_device_info rcar_du_r8a774b1_info = {
                },
        },
        .num_lvds = 1,
+       .num_rpf = 5,
        .dpll_mask =  BIT(1),
 };
 
@@ -190,6 +195,7 @@ static const struct rcar_du_device_info rcar_du_r8a774c0_info = {
                },
        },
        .num_lvds = 2,
+       .num_rpf = 4,
        .lvds_clk_mask =  BIT(1) | BIT(0),
 };
 
@@ -220,6 +226,7 @@ static const struct rcar_du_device_info rcar_du_r8a774e1_info = {
                },
        },
        .num_lvds = 1,
+       .num_rpf = 5,
        .dpll_mask =  BIT(1),
 };
 
@@ -272,6 +279,7 @@ static const struct rcar_du_device_info rcar_du_r8a7790_info = {
                },
        },
        .num_lvds = 2,
+       .num_rpf = 4,
 };
 
 /* M2-W (r8a7791) and M2-N (r8a7793) are identical */
@@ -297,6 +305,7 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info = {
                },
        },
        .num_lvds = 1,
+       .num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a7792_info = {
@@ -317,6 +326,7 @@ static const struct rcar_du_device_info rcar_du_r8a7792_info = {
                        .port = 1,
                },
        },
+       .num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a7794_info = {
@@ -340,6 +350,7 @@ static const struct rcar_du_device_info rcar_du_r8a7794_info = {
                        .port = 1,
                },
        },
+       .num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a7795_info = {
@@ -373,6 +384,7 @@ static const struct rcar_du_device_info rcar_du_r8a7795_info = {
                },
        },
        .num_lvds = 1,
+       .num_rpf = 5,
        .dpll_mask =  BIT(2) | BIT(1),
 };
 
@@ -403,6 +415,7 @@ static const struct rcar_du_device_info rcar_du_r8a7796_info = {
                },
        },
        .num_lvds = 1,
+       .num_rpf = 5,
        .dpll_mask =  BIT(1),
 };
 
@@ -433,6 +446,7 @@ static const struct rcar_du_device_info rcar_du_r8a77965_info = {
                },
        },
        .num_lvds = 1,
+       .num_rpf = 5,
        .dpll_mask =  BIT(1),
 };
 
@@ -459,6 +473,7 @@ static const struct rcar_du_device_info rcar_du_r8a77970_info = {
                },
        },
        .num_lvds = 1,
+       .num_rpf = 5,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a7799x_info = {
@@ -486,6 +501,7 @@ static const struct rcar_du_device_info rcar_du_r8a7799x_info = {
                },
        },
        .num_lvds = 2,
+       .num_rpf = 5,
        .lvds_clk_mask =  BIT(1) | BIT(0),
 };
 
@@ -505,6 +521,7 @@ static const struct rcar_du_device_info rcar_du_r8a779a0_info = {
                        .port = 1,
                },
        },
+       .num_rpf = 5,
        .dsi_clk_mask =  BIT(1) | BIT(0),
 };
 

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
index 28e730f..bfad777 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
@@ -69,6 +69,7 @@ struct rcar_du_output_routing {
  * @channels_mask: bit mask of available DU channels
  * @routes: array of CRTC to output routes, indexed by output (RCAR_DU_OUTPUT_*)
  * @num_lvds: number of internal LVDS encoders
+ * @num_rpf: number of RPFs in VSP
  * @dpll_mask: bit mask of DU channels equipped with a DPLL
  * @dsi_clk_mask: bitmask of channels that can use the DSI clock as dot clock
  * @lvds_clk_mask: bitmask of channels that can use the LVDS clock as dot clock
@@ -80,6 +81,7 @@ struct rcar_du_device_info {
        unsigned int channels_mask;
        struct rcar_du_output_routing routes[RCAR_DU_OUTPUT_MAX];
        unsigned int num_lvds;
+       unsigned int num_rpf;
        unsigned int dpll_mask;
        unsigned int dsi_clk_mask;
        unsigned int lvds_clk_mask;

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index c50de2c..f41a22d 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -407,11 +407,7 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
        if (ret < 0)
                return ret;
 
-        /*
-         * The VSP2D (Gen3) has 5 RPFs, but the VSP1D (Gen2) is limited to
-         * 4 RPFs.
-         */
-       num_planes = rcdu->info->gen >= 3 ? 5 : 4;
+       num_planes = rcdu->info->num_rpf;
 
        vsp->planes = kcalloc(num_planes, sizeof(*vsp->planes), GFP_KERNEL);
        if (!vsp->planes)