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-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c46
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.h3
2 files changed, 31 insertions, 18 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 274f17880455..c93100fe4b42 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -2675,7 +2675,15 @@ static int vc4_hdmi_cec_init(struct vc4_hdmi *vc4_hdmi)
}
#endif
-static int vc4_hdmi_build_regset(struct vc4_hdmi *vc4_hdmi,
+static void vc4_hdmi_free_regset(struct drm_device *drm, void *ptr)
+{
+ struct debugfs_reg32 *regs = ptr;
+
+ kfree(regs);
+}
+
+static int vc4_hdmi_build_regset(struct drm_device *drm,
+ struct vc4_hdmi *vc4_hdmi,
struct debugfs_regset32 *regset,
enum vc4_hdmi_regs reg)
{
@@ -2683,6 +2691,7 @@ static int vc4_hdmi_build_regset(struct vc4_hdmi *vc4_hdmi,
struct debugfs_reg32 *regs, *new_regs;
unsigned int count = 0;
unsigned int i;
+ int ret;
regs = kcalloc(variant->num_registers, sizeof(*regs),
GFP_KERNEL);
@@ -2708,10 +2717,15 @@ static int vc4_hdmi_build_regset(struct vc4_hdmi *vc4_hdmi,
regset->regs = new_regs;
regset->nregs = count;
+ ret = drmm_add_action_or_reset(drm, vc4_hdmi_free_regset, new_regs);
+ if (ret)
+ return ret;
+
return 0;
}
-static int vc4_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi)
+static int vc4_hdmi_init_resources(struct drm_device *drm,
+ struct vc4_hdmi *vc4_hdmi)
{
struct platform_device *pdev = vc4_hdmi->pdev;
struct device *dev = &pdev->dev;
@@ -2725,11 +2739,11 @@ static int vc4_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi)
if (IS_ERR(vc4_hdmi->hd_regs))
return PTR_ERR(vc4_hdmi->hd_regs);
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->hd_regset, VC4_HD);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->hd_regset, VC4_HD);
if (ret)
return ret;
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->hdmi_regset, VC4_HDMI);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->hdmi_regset, VC4_HDMI);
if (ret)
return ret;
@@ -2752,7 +2766,8 @@ static int vc4_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi)
return 0;
}
-static int vc5_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi)
+static int vc5_hdmi_init_resources(struct drm_device *drm,
+ struct vc4_hdmi *vc4_hdmi)
{
struct platform_device *pdev = vc4_hdmi->pdev;
struct device *dev = &pdev->dev;
@@ -2854,35 +2869,35 @@ static int vc5_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi)
return PTR_ERR(vc4_hdmi->reset);
}
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->hdmi_regset, VC4_HDMI);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->hdmi_regset, VC4_HDMI);
if (ret)
return ret;
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->hd_regset, VC4_HD);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->hd_regset, VC4_HD);
if (ret)
return ret;
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->cec_regset, VC5_CEC);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->cec_regset, VC5_CEC);
if (ret)
return ret;
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->csc_regset, VC5_CSC);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->csc_regset, VC5_CSC);
if (ret)
return ret;
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->dvp_regset, VC5_DVP);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->dvp_regset, VC5_DVP);
if (ret)
return ret;
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->phy_regset, VC5_PHY);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->phy_regset, VC5_PHY);
if (ret)
return ret;
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->ram_regset, VC5_RAM);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->ram_regset, VC5_RAM);
if (ret)
return ret;
- ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->rm_regset, VC5_RM);
+ ret = vc4_hdmi_build_regset(drm, vc4_hdmi, &vc4_hdmi->rm_regset, VC5_RM);
if (ret)
return ret;
@@ -2977,7 +2992,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
if (variant->max_pixel_clock > HDMI_14_MAX_TMDS_CLK)
vc4_hdmi->scdc_enabled = true;
- ret = variant->init_resources(vc4_hdmi);
+ ret = variant->init_resources(drm, vc4_hdmi);
if (ret)
return ret;
@@ -3104,9 +3119,6 @@ static void vc4_hdmi_unbind(struct device *dev, struct device *master,
BUILD_BUG_ON(offsetof(struct vc4_hdmi, audio) != 0);
vc4_hdmi = dev_get_drvdata(dev);
- kfree(vc4_hdmi->hdmi_regset.regs);
- kfree(vc4_hdmi->hd_regset.regs);
-
vc4_hdmi_hotplug_exit(vc4_hdmi);
pm_runtime_disable(dev);
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
index c3ed2b07df23..99b0bc1297be 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
@@ -58,7 +58,8 @@ struct vc4_hdmi_variant {
/* Callback to get the resources (memory region, interrupts,
* clocks, etc) for that variant.
*/
- int (*init_resources)(struct vc4_hdmi *vc4_hdmi);
+ int (*init_resources)(struct drm_device *drm,
+ struct vc4_hdmi *vc4_hdmi);
/* Callback to reset the HDMI block */
void (*reset)(struct vc4_hdmi *vc4_hdmi);