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path: root/drivers/gpu/drm/imx/imx-tve.c
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Diffstat (limited to 'drivers/gpu/drm/imx/imx-tve.c')
-rw-r--r--drivers/gpu/drm/imx/imx-tve.c97
1 files changed, 47 insertions, 50 deletions
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c
index baf788121287..5e875944ffa2 100644
--- a/drivers/gpu/drm/imx/imx-tve.c
+++ b/drivers/gpu/drm/imx/imx-tve.c
@@ -23,6 +23,7 @@
#include <linux/spinlock.h>
#include <linux/videodev2.h>
#include <drm/drmP.h>
+#include <drm/drm_atomic_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_crtc_helper.h>
#include <video/imx-ipu-v3.h>
@@ -97,9 +98,6 @@
/* TVE_TST_MODE_REG */
#define TVE_TVDAC_TEST_MODE_MASK (0x7 << 0)
-#define con_to_tve(x) container_of(x, struct imx_tve, connector)
-#define enc_to_tve(x) container_of(x, struct imx_tve, encoder)
-
enum {
TVE_MODE_TVOUT,
TVE_MODE_VGA,
@@ -112,6 +110,8 @@ struct imx_tve {
spinlock_t lock; /* register lock */
bool enabled;
int mode;
+ int di_hsync_pin;
+ int di_vsync_pin;
struct regmap *regmap;
struct regulator *dac_reg;
@@ -120,10 +120,18 @@ struct imx_tve {
struct clk *di_sel_clk;
struct clk_hw clk_hw_di;
struct clk *di_clk;
- int vsync_pin;
- int hsync_pin;
};
+static inline struct imx_tve *con_to_tve(struct drm_connector *c)
+{
+ return container_of(c, struct imx_tve, connector);
+}
+
+static inline struct imx_tve *enc_to_tve(struct drm_encoder *e)
+{
+ return container_of(e, struct imx_tve, encoder);
+}
+
static void tve_lock(void *__tve)
__acquires(&tve->lock)
{
@@ -148,8 +156,7 @@ static void tve_enable(struct imx_tve *tve)
tve->enabled = true;
clk_prepare_enable(tve->clk);
ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
- TVE_IPU_CLK_EN | TVE_EN,
- TVE_IPU_CLK_EN | TVE_EN);
+ TVE_EN, TVE_EN);
}
/* clear interrupt status register */
@@ -172,7 +179,7 @@ static void tve_disable(struct imx_tve *tve)
if (tve->enabled) {
tve->enabled = false;
ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
- TVE_IPU_CLK_EN | TVE_EN, 0);
+ TVE_EN, 0);
clk_disable_unprepare(tve->clk);
}
}
@@ -275,36 +282,6 @@ static struct drm_encoder *imx_tve_connector_best_encoder(
return &tve->encoder;
}
-static void imx_tve_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
- struct imx_tve *tve = enc_to_tve(encoder);
- int ret;
-
- ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
- TVE_TV_OUT_MODE_MASK, TVE_TV_OUT_DISABLE);
- if (ret < 0)
- dev_err(tve->dev, "failed to disable TVOUT: %d\n", ret);
-}
-
-static void imx_tve_encoder_prepare(struct drm_encoder *encoder)
-{
- struct imx_tve *tve = enc_to_tve(encoder);
-
- tve_disable(tve);
-
- switch (tve->mode) {
- case TVE_MODE_VGA:
- imx_drm_set_bus_config(encoder, MEDIA_BUS_FMT_GBR888_1X24,
- tve->hsync_pin, tve->vsync_pin,
- DRM_BUS_FLAG_DE_HIGH |
- DRM_BUS_FLAG_PIXDATA_NEGEDGE);
- break;
- case TVE_MODE_TVOUT:
- imx_drm_set_bus_format(encoder, MEDIA_BUS_FMT_YUV8_1X24);
- break;
- }
-}
-
static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *orig_mode,
struct drm_display_mode *mode)
@@ -333,6 +310,9 @@ static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
ret);
}
+ regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
+ TVE_IPU_CLK_EN, TVE_IPU_CLK_EN);
+
if (tve->mode == TVE_MODE_VGA)
ret = tve_setup_vga(tve);
else
@@ -341,7 +321,7 @@ static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
dev_err(tve->dev, "failed to set configuration: %d\n", ret);
}
-static void imx_tve_encoder_commit(struct drm_encoder *encoder)
+static void imx_tve_encoder_enable(struct drm_encoder *encoder)
{
struct imx_tve *tve = enc_to_tve(encoder);
@@ -355,11 +335,28 @@ static void imx_tve_encoder_disable(struct drm_encoder *encoder)
tve_disable(tve);
}
+static int imx_tve_atomic_check(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc_state);
+ struct imx_tve *tve = enc_to_tve(encoder);
+
+ imx_crtc_state->bus_format = MEDIA_BUS_FMT_GBR888_1X24;
+ imx_crtc_state->di_hsync_pin = tve->di_hsync_pin;
+ imx_crtc_state->di_vsync_pin = tve->di_vsync_pin;
+
+ return 0;
+}
+
static const struct drm_connector_funcs imx_tve_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = imx_tve_connector_detect,
.destroy = imx_drm_connector_destroy,
+ .reset = drm_atomic_helper_connector_reset,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
static const struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = {
@@ -373,11 +370,10 @@ static const struct drm_encoder_funcs imx_tve_encoder_funcs = {
};
static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = {
- .dpms = imx_tve_encoder_dpms,
- .prepare = imx_tve_encoder_prepare,
.mode_set = imx_tve_encoder_mode_set,
- .commit = imx_tve_encoder_commit,
+ .enable = imx_tve_encoder_enable,
.disable = imx_tve_encoder_disable,
+ .atomic_check = imx_tve_atomic_check,
};
static irqreturn_t imx_tve_irq_handler(int irq, void *data)
@@ -495,8 +491,7 @@ static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve)
encoder_type = tve->mode == TVE_MODE_VGA ?
DRM_MODE_ENCODER_DAC : DRM_MODE_ENCODER_TVDAC;
- ret = imx_drm_encoder_parse_of(drm, &tve->encoder,
- tve->dev->of_node);
+ ret = imx_drm_encoder_parse_of(drm, &tve->encoder, tve->dev->of_node);
if (ret)
return ret;
@@ -587,15 +582,15 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data)
if (tve->mode == TVE_MODE_VGA) {
ret = of_property_read_u32(np, "fsl,hsync-pin",
- &tve->hsync_pin);
+ &tve->di_hsync_pin);
if (ret < 0) {
- dev_err(dev, "failed to get vsync pin\n");
+ dev_err(dev, "failed to get hsync pin\n");
return ret;
}
- ret |= of_property_read_u32(np, "fsl,vsync-pin",
- &tve->vsync_pin);
+ ret = of_property_read_u32(np, "fsl,vsync-pin",
+ &tve->di_vsync_pin);
if (ret < 0) {
dev_err(dev, "failed to get vsync pin\n");
@@ -633,7 +628,9 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data)
tve->dac_reg = devm_regulator_get(dev, "dac");
if (!IS_ERR(tve->dac_reg)) {
- regulator_set_voltage(tve->dac_reg, 2750000, 2750000);
+ ret = regulator_set_voltage(tve->dac_reg, 2750000, 2750000);
+ if (ret)
+ return ret;
ret = regulator_enable(tve->dac_reg);
if (ret)
return ret;