Since crtc maps 1:1 to the device there is no point in allocating it
separately, another benefit is possibility of direct initialisation
of its fields which is more readable and allows further expansion.
Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 60 ++++++++++++------------
1 file changed, 31 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 2d34ca375ee1..8ea1cfd51736 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -169,7 +169,7 @@ static struct fimd_driver_data exynos5420_fimd_driver_data = {
struct fimd_context {
struct device *dev;
struct drm_device *drm_dev;
- struct exynos_drm_crtc *crtc;
+ struct exynos_drm_crtc crtc;
struct exynos_drm_plane planes[WINDOWS_NR];
struct clk *bus_clk;
struct clk *lcd_clk;
@@ -193,6 +193,8 @@ struct fimd_context {
struct exynos_drm_clk dp_clk;
};
+#define to_fimd(ptr) container_of(ptr, struct fimd_context, ptr)
+
static const struct of_device_id fimd_driver_dt_match[] = {
{ .compatible = "samsung,s3c6400-fimd",
.data = &s3c64xx_fimd_driver_data },
@@ -235,7 +237,7 @@ static inline void fimd_set_bits(struct fimd_context *ctx, u32 reg, u32 mask,
static int fimd_enable_vblank(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
u32 val;
if (ctx->suspended)
@@ -267,7 +269,7 @@ static int fimd_enable_vblank(struct exynos_drm_crtc *crtc)
static void fimd_disable_vblank(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
u32 val;
if (ctx->suspended)
@@ -291,7 +293,7 @@ static void fimd_disable_vblank(struct exynos_drm_crtc *crtc)
static void fimd_wait_for_vblank(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
if (ctx->suspended)
return;
@@ -345,7 +347,7 @@ static void fimd_disable_win(struct fimd_context *ctx, int win)
static void fimd_clear_channels(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
unsigned int win, ch_enabled = 0;
DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -370,9 +372,9 @@ static void fimd_clear_channels(struct exynos_drm_crtc *crtc)
if (ch_enabled) {
ctx->suspended = false;
- fimd_enable_vblank(ctx->crtc);
- fimd_wait_for_vblank(ctx->crtc);
- fimd_disable_vblank(ctx->crtc);
+ fimd_enable_vblank(&ctx->crtc);
+ fimd_wait_for_vblank(&ctx->crtc);
+ fimd_disable_vblank(&ctx->crtc);
ctx->suspended = true;
}
@@ -388,7 +390,7 @@ static int fimd_atomic_check(struct exynos_drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct drm_display_mode *mode = &state->adjusted_mode;
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
unsigned long ideal_clk, lcd_rate;
u32 clkdiv;
@@ -448,7 +450,7 @@ static void fimd_setup_trigger(struct fimd_context *ctx)
static void fimd_commit(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
struct drm_display_mode *mode = &crtc->base.state->adjusted_mode;
const struct fimd_driver_data *driver_data = ctx->driver_data;
void *timing_base = ctx->regs + driver_data->timing_base;
@@ -754,7 +756,7 @@ static void fimd_shadow_protect_win(struct fimd_context *ctx,
static void fimd_atomic_begin(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
int i;
if (ctx->suspended)
@@ -766,7 +768,7 @@ static void fimd_atomic_begin(struct exynos_drm_crtc *crtc)
static void fimd_atomic_flush(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
int i;
if (ctx->suspended)
@@ -789,7 +791,7 @@ static void fimd_update_plane(struct exynos_drm_crtc *crtc,
{
struct exynos_drm_plane_state *state =
to_exynos_plane_state(plane->base.state);
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
struct drm_framebuffer *fb = state->base.fb;
dma_addr_t dma_addr;
unsigned long val, size, offset;
@@ -878,7 +880,7 @@ static void fimd_update_plane(struct exynos_drm_crtc *crtc,
static void fimd_enable(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
if (!ctx->suspended)
return;
@@ -889,14 +891,14 @@ static void fimd_enable(struct exynos_drm_crtc *crtc)
/* if vblank was enabled status, enable it again. */
if (test_and_clear_bit(0, &ctx->irq_flags))
- fimd_enable_vblank(ctx->crtc);
+ fimd_enable_vblank(&ctx->crtc);
- fimd_commit(ctx->crtc);
+ fimd_commit(&ctx->crtc);
}
static void fimd_disable(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
int i;
if (ctx->suspended)
@@ -951,7 +953,7 @@ static void fimd_trigger(struct device *dev)
static void fimd_te_handler(struct exynos_drm_crtc *crtc)
{
- struct fimd_context *ctx = crtc->ctx;
+ struct fimd_context *ctx = to_fimd(crtc);
u32 trg_type = ctx->driver_data->trg_type;
/* Checks the crtc is detached already from encoder */
@@ -976,7 +978,7 @@ static void fimd_te_handler(struct exynos_drm_crtc *crtc)
}
if (test_bit(0, &ctx->irq_flags))
- drm_crtc_handle_vblank(&ctx->crtc->base);
+ drm_crtc_handle_vblank(&ctx->crtc.base);
}
static void fimd_dp_clock_enable(struct exynos_drm_clk *clk, bool enable)
@@ -1015,7 +1017,7 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
goto out;
if (!ctx->i80_if)
- drm_crtc_handle_vblank(&ctx->crtc->base);
+ drm_crtc_handle_vblank(&ctx->crtc.base);
if (ctx->i80_if) {
/* Exits triggering mode */
@@ -1036,7 +1038,6 @@ static int fimd_bind(struct device *dev, struct device *master, void *data)
{
struct fimd_context *ctx = dev_get_drvdata(dev);
struct drm_device *drm_dev = data;
- struct exynos_drm_plane *exynos_plane;
unsigned int i;
int ret;
@@ -1053,22 +1054,23 @@ static int fimd_bind(struct device *dev, struct device *master, void *data)
return ret;
}
- exynos_plane = &ctx->planes[DEFAULT_WIN];
- ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
- EXYNOS_DISPLAY_TYPE_LCD, &fimd_crtc_ops, ctx);
- if (IS_ERR(ctx->crtc))
- return PTR_ERR(ctx->crtc);
+ ctx->crtc.type = EXYNOS_DISPLAY_TYPE_LCD;
+ ctx->crtc.ops = &fimd_crtc_ops;
+ ret = exynos_drm_crtc_init(&ctx->crtc, drm_dev);
+ if (ret)
+ return ret;
+ ctx->crtc.base.primary = &ctx->planes[DEFAULT_WIN].base;
if (ctx->driver_data->has_dp_clk) {
ctx->dp_clk.enable = fimd_dp_clock_enable;
- ctx->crtc->pipe_clk = &ctx->dp_clk;
+ ctx->crtc.pipe_clk = &ctx->dp_clk;
}
if (ctx->encoder)
exynos_dpi_bind(drm_dev, ctx->encoder);
if (is_drm_iommu_supported(drm_dev))
- fimd_clear_channels(ctx->crtc);
+ fimd_clear_channels(&ctx->crtc);
return exynos_drm_register_dma(drm_dev, dev);
}
@@ -1078,7 +1080,7 @@ static void fimd_unbind(struct device *dev, struct device *master,
{
struct fimd_context *ctx = dev_get_drvdata(dev);
- fimd_disable(ctx->crtc);
+ fimd_disable(&ctx->crtc);
exynos_drm_unregister_dma(ctx->drm_dev, ctx->dev);
--
2.17.1
