[PATCH v3 01/13] drm: xlnx: Store base pointers in zynqmp_disp directly

Sean Anderson
2024-04-22T18:46:02Z

The blend, avbuf, and audio members of zynqmp_disp are anonymous structs
with only one member each. This is rather pointless, so move the members
up a level.

Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
---

Changes in v3:
- New

drivers/gpu/drm/xlnx/zynqmp_disp.c | 44 +++++++++++++-----------------
1 file changed, 19 insertions(+), 25 deletions(-)

diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index 407bc07cec69..94a3ac046373 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -128,24 +128,18 @@ struct zynqmp_disp_layer {
* struct zynqmp_disp - Display controller
* @dev: Device structure
* @dpsub: Display subsystem
- * @blend.base: Register I/O base address for the blender
- * @avbuf.base: Register I/O base address for the audio/video buffer manager
- * @audio.base: Registers I/O base address for the audio mixer
+ * @blend: Register I/O base address for the blender
+ * @avbuf: Register I/O base address for the audio/video buffer manager
+ * @audio: Registers I/O base address for the audio mixer
* @layers: Layers (planes)
*/
struct zynqmp_disp {
struct device *dev;
struct zynqmp_dpsub *dpsub;

- struct {
- void __iomem *base;
- } blend;
- struct {
- void __iomem *base;
- } avbuf;
- struct {
- void __iomem *base;
- } audio;
+ void __iomem *blend;
+ void __iomem *avbuf;
+ void __iomem *audio;

struct zynqmp_disp_layer layers[ZYNQMP_DPSUB_NUM_LAYERS];
};
@@ -356,12 +350,12 @@ static const struct zynqmp_disp_format avbuf_gfx_fmts[] = {

static u32 zynqmp_disp_avbuf_read(struct zynqmp_disp *disp, int reg)
{
- return readl(disp->avbuf.base + reg);
+ return readl(disp->avbuf + reg);
}

static void zynqmp_disp_avbuf_write(struct zynqmp_disp *disp, int reg, u32 val)
{
- writel(val, disp->avbuf.base + reg);
+ writel(val, disp->avbuf + reg);
}

static bool zynqmp_disp_layer_is_video(const struct zynqmp_disp_layer *layer)
@@ -587,7 +581,7 @@ static void zynqmp_disp_avbuf_disable(struct zynqmp_disp *disp)

static void zynqmp_disp_blend_write(struct zynqmp_disp *disp, int reg, u32 val)
{
- writel(val, disp->blend.base + reg);
+ writel(val, disp->blend + reg);
}

/*
@@ -813,7 +807,7 @@ static void zynqmp_disp_blend_layer_disable(struct zynqmp_disp *disp,

static void zynqmp_disp_audio_write(struct zynqmp_disp *disp, int reg, u32 val)
{
- writel(val, disp->audio.base + reg);
+ writel(val, disp->audio + reg);
}

/**
@@ -1237,21 +1231,21 @@ int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub)
disp->dev = &pdev->dev;
disp->dpsub = dpsub;

- disp->blend.base = devm_platform_ioremap_resource_byname(pdev, "blend");
- if (IS_ERR(disp->blend.base)) {
- ret = PTR_ERR(disp->blend.base);
+ disp->blend = devm_platform_ioremap_resource_byname(pdev, "blend");
+ if (IS_ERR(disp->blend)) {
+ ret = PTR_ERR(disp->blend);
goto error;
}

- disp->avbuf.base = devm_platform_ioremap_resource_byname(pdev, "av_buf");
- if (IS_ERR(disp->avbuf.base)) {
- ret = PTR_ERR(disp->avbuf.base);
+ disp->avbuf = devm_platform_ioremap_resource_byname(pdev, "av_buf");
+ if (IS_ERR(disp->avbuf)) {
+ ret = PTR_ERR(disp->avbuf);
goto error;
}

- disp->audio.base = devm_platform_ioremap_resource_byname(pdev, "aud");
- if (IS_ERR(disp->audio.base)) {
- ret = PTR_ERR(disp->audio.base);
+ disp->audio = devm_platform_ioremap_resource_byname(pdev, "aud");
+ if (IS_ERR(disp->audio)) {
+ ret = PTR_ERR(disp->audio);
goto error;
}

--
2.35.1.1320.gc452695387.dirty