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-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511.h2
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511_cec.c13
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511_drv.c22
-rw-r--r--drivers/gpu/drm/gma500/cdv_intel_lvds.c3
-rw-r--r--drivers/gpu/drm/gma500/psb_intel_lvds.c3
-rw-r--r--drivers/gpu/drm/meson/meson_drv.c37
6 files changed, 47 insertions, 33 deletions
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h
index ea271f62b214..ec0b7f3d889c 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
@@ -401,7 +401,7 @@ struct adv7511 {
#ifdef CONFIG_DRM_I2C_ADV7511_CEC
int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511);
-void adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1);
+int adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1);
#else
static inline int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511)
{
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
index 44451a9658a3..2e9c88a2b5ed 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
@@ -119,7 +119,7 @@ static void adv7511_cec_rx(struct adv7511 *adv7511, int rx_buf)
cec_received_msg(adv7511->cec_adap, &msg);
}
-void adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1)
+int adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1)
{
unsigned int offset = adv7511->info->reg_cec_offset;
const u32 irq_tx_mask = ADV7511_INT1_CEC_TX_READY |
@@ -131,16 +131,19 @@ void adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1)
unsigned int rx_status;
int rx_order[3] = { -1, -1, -1 };
int i;
+ int irq_status = IRQ_NONE;
- if (irq1 & irq_tx_mask)
+ if (irq1 & irq_tx_mask) {
adv_cec_tx_raw_status(adv7511, irq1);
+ irq_status = IRQ_HANDLED;
+ }
if (!(irq1 & irq_rx_mask))
- return;
+ return irq_status;
if (regmap_read(adv7511->regmap_cec,
ADV7511_REG_CEC_RX_STATUS + offset, &rx_status))
- return;
+ return irq_status;
/*
* ADV7511_REG_CEC_RX_STATUS[5:0] contains the reception order of RX
@@ -172,6 +175,8 @@ void adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1)
adv7511_cec_rx(adv7511, rx_buf);
}
+
+ return IRQ_HANDLED;
}
static int adv7511_cec_adap_enable(struct cec_adapter *adap, bool enable)
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index 66ccb61e2a66..c8d2c4a157b2 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -469,6 +469,8 @@ static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd)
{
unsigned int irq0, irq1;
int ret;
+ int cec_status = IRQ_NONE;
+ int irq_status = IRQ_NONE;
ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0);
if (ret < 0)
@@ -478,29 +480,31 @@ static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd)
if (ret < 0)
return ret;
- /* If there is no IRQ to handle, exit indicating no IRQ data */
- if (!(irq0 & (ADV7511_INT0_HPD | ADV7511_INT0_EDID_READY)) &&
- !(irq1 & ADV7511_INT1_DDC_ERROR))
- return -ENODATA;
-
regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0);
regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1);
- if (process_hpd && irq0 & ADV7511_INT0_HPD && adv7511->bridge.encoder)
+ if (process_hpd && irq0 & ADV7511_INT0_HPD && adv7511->bridge.encoder) {
schedule_work(&adv7511->hpd_work);
+ irq_status = IRQ_HANDLED;
+ }
if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) {
adv7511->edid_read = true;
if (adv7511->i2c_main->irq)
wake_up_all(&adv7511->wq);
+ irq_status = IRQ_HANDLED;
}
#ifdef CONFIG_DRM_I2C_ADV7511_CEC
- adv7511_cec_irq_process(adv7511, irq1);
+ cec_status = adv7511_cec_irq_process(adv7511, irq1);
#endif
- return 0;
+ /* If there is no IRQ to handle, exit indicating no IRQ data */
+ if (irq_status == IRQ_HANDLED || cec_status == IRQ_HANDLED)
+ return IRQ_HANDLED;
+
+ return IRQ_NONE;
}
static irqreturn_t adv7511_irq_handler(int irq, void *devid)
@@ -509,7 +513,7 @@ static irqreturn_t adv7511_irq_handler(int irq, void *devid)
int ret;
ret = adv7511_irq_process(adv7511, true);
- return ret < 0 ? IRQ_NONE : IRQ_HANDLED;
+ return ret < 0 ? IRQ_NONE : ret;
}
/* -----------------------------------------------------------------------------
diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
index f08a6803dc18..3adc2c9ab72d 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
@@ -311,6 +311,9 @@ static int cdv_intel_lvds_get_modes(struct drm_connector *connector)
if (mode_dev->panel_fixed_mode != NULL) {
struct drm_display_mode *mode =
drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
+ if (!mode)
+ return 0;
+
drm_mode_probed_add(connector, mode);
return 1;
}
diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c
index 8486de230ec9..8d1be94a443b 100644
--- a/drivers/gpu/drm/gma500/psb_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c
@@ -504,6 +504,9 @@ static int psb_intel_lvds_get_modes(struct drm_connector *connector)
if (mode_dev->panel_fixed_mode != NULL) {
struct drm_display_mode *mode =
drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
+ if (!mode)
+ return 0;
+
drm_mode_probed_add(connector, mode);
return 1;
}
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index 17a5cca007e2..4bd0baa2a4f5 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -250,29 +250,20 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
if (ret)
goto free_drm;
ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_0);
- if (ret) {
- meson_canvas_free(priv->canvas, priv->canvas_id_osd1);
- goto free_drm;
- }
+ if (ret)
+ goto free_canvas_osd1;
ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_1);
- if (ret) {
- meson_canvas_free(priv->canvas, priv->canvas_id_osd1);
- meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0);
- goto free_drm;
- }
+ if (ret)
+ goto free_canvas_vd1_0;
ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_2);
- if (ret) {
- meson_canvas_free(priv->canvas, priv->canvas_id_osd1);
- meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0);
- meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1);
- goto free_drm;
- }
+ if (ret)
+ goto free_canvas_vd1_1;
priv->vsync_irq = platform_get_irq(pdev, 0);
ret = drm_vblank_init(drm, 1);
if (ret)
- goto free_drm;
+ goto free_canvas_vd1_2;
/* Assign limits per soc revision/package */
for (i = 0 ; i < ARRAY_SIZE(meson_drm_soc_attrs) ; ++i) {
@@ -288,11 +279,11 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
*/
ret = drm_aperture_remove_framebuffers(&meson_driver);
if (ret)
- goto free_drm;
+ goto free_canvas_vd1_2;
ret = drmm_mode_config_init(drm);
if (ret)
- goto free_drm;
+ goto free_canvas_vd1_2;
drm->mode_config.max_width = 3840;
drm->mode_config.max_height = 2160;
drm->mode_config.funcs = &meson_mode_config_funcs;
@@ -307,7 +298,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
if (priv->afbcd.ops) {
ret = priv->afbcd.ops->init(priv);
if (ret)
- goto free_drm;
+ goto free_canvas_vd1_2;
}
/* Encoder Initialization */
@@ -371,6 +362,14 @@ uninstall_irq:
exit_afbcd:
if (priv->afbcd.ops)
priv->afbcd.ops->exit(priv);
+free_canvas_vd1_2:
+ meson_canvas_free(priv->canvas, priv->canvas_id_vd1_2);
+free_canvas_vd1_1:
+ meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1);
+free_canvas_vd1_0:
+ meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0);
+free_canvas_osd1:
+ meson_canvas_free(priv->canvas, priv->canvas_id_osd1);
free_drm:
drm_dev_put(drm);
generated by cgit (git 2.34.1) at 2025-04-21 19:01:37 +0000