drm: xlnx: zynqmp_dpsub: Remplace hardcoded values with ARRAY_SIZE()

Use the ARRAY_SIZE() macro to iterate over arrays, instead of hardcoding
their size. This makes the code less error-prone should the array size
change.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index c0d27f5..e722af0 100644 (file)
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -1222,7 +1222,7 @@ static int zynqmp_disp_create_planes(struct zynqmp_disp *disp)
        unsigned int i, j;
        int ret;
 
-       for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++) {
+       for (i = 0; i < ARRAY_SIZE(disp->layers); i++) {
                struct zynqmp_disp_layer *layer = &disp->layers[i];
                enum drm_plane_type type;
                u32 *drm_formats;
@@ -1293,7 +1293,7 @@ static void zynqmp_disp_destroy_layers(struct zynqmp_disp *disp)
 {
        unsigned int i;
 
-       for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++)
+       for (i = 0; i < ARRAY_SIZE(disp->layers); i++)
                zynqmp_disp_layer_release_dma(disp, &disp->layers[i]);
 }
 
@@ -1355,7 +1355,7 @@ static int zynqmp_disp_create_layers(struct zynqmp_disp *disp)
        unsigned int i;
        int ret;
 
-       for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++) {
+       for (i = 0; i < ARRAY_SIZE(disp->layers); i++) {
                struct zynqmp_disp_layer *layer = &disp->layers[i];
 
                layer->id = i;
@@ -1592,7 +1592,7 @@ static void zynqmp_disp_map_crtc_to_plane(struct zynqmp_disp *disp)
        u32 possible_crtcs = drm_crtc_mask(&disp->crtc);
        unsigned int i;
 
-       for (i = 0; i < ZYNQMP_DISP_NUM_LAYERS; i++)
+       for (i = 0; i < ARRAY_SIZE(disp->layers); i++)
                disp->layers[i].plane.possible_crtcs = possible_crtcs;
 }