drm/fsl-dcu: store layer registers in soc_data

Store the number of registers per layer in soc_data. This is
more consistent with how the rest of SoC specific data are
handled.

Signed-off-by: Stefan Agner <stefan@agner.ch>

diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
index 89c0084..b024f90 100644 (file)
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
@@ -138,7 +138,7 @@ int fsl_dcu_drm_crtc_create(struct fsl_dcu_drm_device *fsl_dev)
 {
        struct drm_plane *primary;
        struct drm_crtc *crtc = &fsl_dev->crtc;
-       unsigned int i, j, reg_num;
+       unsigned int i, j;
        int ret;
 
        primary = fsl_dcu_drm_primary_create_plane(fsl_dev->drm);
@@ -154,12 +154,8 @@ int fsl_dcu_drm_crtc_create(struct fsl_dcu_drm_device *fsl_dev)
 
        drm_crtc_helper_add(crtc, &fsl_dcu_drm_crtc_helper_funcs);
 
-       if (!strcmp(fsl_dev->soc->name, "ls1021a"))
-               reg_num = LS1021A_LAYER_REG_NUM;
-       else
-               reg_num = VF610_LAYER_REG_NUM;
        for (i = 0; i < fsl_dev->soc->total_layer; i++) {
-               for (j = 1; j <= reg_num; j++)
+               for (j = 1; j <= fsl_dev->soc->layer_regs; j++)
                        regmap_write(fsl_dev->regmap, DCU_CTRLDESCLN(i, j), 0);
        }
        regmap_update_bits(fsl_dev->regmap, DCU_DCU_MODE,

diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
index dc723f7..9daca1f 100644 (file)
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
@@ -274,12 +274,14 @@ static const struct fsl_dcu_soc_data fsl_dcu_ls1021a_data = {
        .name = "ls1021a",
        .total_layer = 16,
        .max_layer = 4,
+       .layer_regs = LS1021A_LAYER_REG_NUM,
 };
 
 static const struct fsl_dcu_soc_data fsl_dcu_vf610_data = {
        .name = "vf610",
        .total_layer = 64,
        .max_layer = 6,
+       .layer_regs = VF610_LAYER_REG_NUM,
 };
 
 static const struct of_device_id fsl_dcu_of_match[] = {

diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
index c275f90..b1bba3a 100644 (file)
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
@@ -175,6 +175,7 @@ struct fsl_dcu_soc_data {
        unsigned int total_layer;
        /*max layer number DCU supported*/
        unsigned int max_layer;
+       unsigned int layer_regs;
 };
 
 struct fsl_dcu_drm_device {