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-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.c2
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi.h1
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_connector.c8
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c22
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h1
-rw-r--r--drivers/gpu/drm/msm/msm_drv.c2
-rw-r--r--drivers/gpu/drm/msm/msm_fbdev.c2
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c6
-rw-r--r--drivers/gpu/drm/msm/msm_iommu.c23
-rw-r--r--drivers/gpu/drm/msm/msm_mmu.h1
10 files changed, 58 insertions, 10 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index ae750f6928c..7f7aadef8a8 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -277,6 +277,7 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
static const char *hpd_reg_names[] = {"hpd-gdsc", "hpd-5v"};
static const char *pwr_reg_names[] = {"core-vdda", "core-vcc"};
static const char *hpd_clk_names[] = {"iface_clk", "core_clk", "mdp_core_clk"};
+ static unsigned long hpd_clk_freq[] = {0, 19200000, 0};
static const char *pwr_clk_names[] = {"extp_clk", "alt_iface_clk"};
config.phy_init = hdmi_phy_8x74_init;
@@ -286,6 +287,7 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
config.pwr_reg_names = pwr_reg_names;
config.pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names);
config.hpd_clk_names = hpd_clk_names;
+ config.hpd_freq = hpd_clk_freq;
config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
config.pwr_clk_names = pwr_clk_names;
config.pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names);
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h
index 9fafee6a3e4..9d7723c6528 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.h
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.h
@@ -87,6 +87,7 @@ struct hdmi_platform_config {
/* clks that need to be on for hpd: */
const char **hpd_clk_names;
+ const long unsigned *hpd_freq;
int hpd_clk_cnt;
/* clks that need to be on for screen pwr (ie pixel clk): */
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
index e56a6196867..28f7e3ec6c2 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
@@ -127,6 +127,14 @@ static int hpd_enable(struct hdmi_connector *hdmi_connector)
}
for (i = 0; i < config->hpd_clk_cnt; i++) {
+ if (config->hpd_freq && config->hpd_freq[i]) {
+ ret = clk_set_rate(hdmi->hpd_clks[i],
+ config->hpd_freq[i]);
+ if (ret)
+ dev_warn(dev->dev, "failed to set clk %s (%d)\n",
+ config->hpd_clk_names[i], ret);
+ }
+
ret = clk_prepare_enable(hdmi->hpd_clks[i]);
if (ret) {
dev_err(dev->dev, "failed to enable hpd clk: %s (%d)\n",
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
index 42caf7fcb0b..71510ee26e9 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -20,6 +20,10 @@
#include "msm_mmu.h"
#include "mdp5_kms.h"
+static const char *iommu_ports[] = {
+ "mdp_0",
+};
+
static struct mdp5_platform_config *mdp5_get_config(struct platform_device *dev);
static int mdp5_hw_init(struct msm_kms *kms)
@@ -104,6 +108,12 @@ static void mdp5_preclose(struct msm_kms *kms, struct drm_file *file)
static void mdp5_destroy(struct msm_kms *kms)
{
struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
+ struct msm_mmu *mmu = mdp5_kms->mmu;
+
+ if (mmu) {
+ mmu->funcs->detach(mmu, iommu_ports, ARRAY_SIZE(iommu_ports));
+ mmu->funcs->destroy(mmu);
+ }
kfree(mdp5_kms);
}
@@ -216,10 +226,6 @@ fail:
return ret;
}
-static const char *iommu_ports[] = {
- "mdp_0",
-};
-
static int get_clk(struct platform_device *pdev, struct clk **clkp,
const char *name)
{
@@ -317,17 +323,23 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
mmu = msm_iommu_new(dev, config->iommu);
if (IS_ERR(mmu)) {
ret = PTR_ERR(mmu);
+ dev_err(dev->dev, "failed to init iommu: %d\n", ret);
goto fail;
}
+
ret = mmu->funcs->attach(mmu, iommu_ports,
ARRAY_SIZE(iommu_ports));
- if (ret)
+ if (ret) {
+ dev_err(dev->dev, "failed to attach iommu: %d\n", ret);
+ mmu->funcs->destroy(mmu);
goto fail;
+ }
} else {
dev_info(dev->dev, "no iommu, fallback to phys "
"contig buffers for scanout\n");
mmu = NULL;
}
+ mdp5_kms->mmu = mmu;
mdp5_kms->id = msm_register_mmu(dev, mmu);
if (mdp5_kms->id < 0) {
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
index c8b1a2522c2..6e981b692d1 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
@@ -33,6 +33,7 @@ struct mdp5_kms {
/* mapper-id used to request GEM buffer mapped for scanout: */
int id;
+ struct msm_mmu *mmu;
/* for tracking smp allocation amongst pipes: */
mdp5_smp_state_t smp_state;
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 0d2562fb681..9a5d87db5c2 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -159,7 +159,7 @@ static int msm_unload(struct drm_device *dev)
static int get_mdp_ver(struct platform_device *pdev)
{
#ifdef CONFIG_OF
- const static struct of_device_id match_types[] = { {
+ static const struct of_device_id match_types[] = { {
.compatible = "qcom,mdss_mdp",
.data = (void *)5,
}, {
diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c
index a752ab83b81..5107fc4826b 100644
--- a/drivers/gpu/drm/msm/msm_fbdev.c
+++ b/drivers/gpu/drm/msm/msm_fbdev.c
@@ -59,7 +59,7 @@ static int msm_fbdev_create(struct drm_fb_helper *helper,
struct drm_framebuffer *fb = NULL;
struct fb_info *fbi = NULL;
struct drm_mode_fb_cmd2 mode_cmd = {0};
- dma_addr_t paddr;
+ uint32_t paddr;
int ret, size;
sizes->surface_bpp = 32;
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index bb8026daebc..690d7e7b6d1 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -278,6 +278,7 @@ int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id,
uint32_t *iova)
{
struct msm_gem_object *msm_obj = to_msm_bo(obj);
+ struct drm_device *dev = obj->dev;
int ret = 0;
if (!msm_obj->domain[id].iova) {
@@ -285,6 +286,11 @@ int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id,
struct msm_mmu *mmu = priv->mmus[id];
struct page **pages = get_pages(obj);
+ if (!mmu) {
+ dev_err(dev->dev, "null MMU pointer\n");
+ return -EINVAL;
+ }
+
if (IS_ERR(pages))
return PTR_ERR(pages);
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index 92b74598623..4b2ad9181ed 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -28,7 +28,7 @@ static int msm_fault_handler(struct iommu_domain *iommu, struct device *dev,
unsigned long iova, int flags, void *arg)
{
DBG("*** fault: iova=%08lx, flags=%d", iova, flags);
- return 0;
+ return -ENOSYS;
}
static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
@@ -40,8 +40,10 @@ static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
for (i = 0; i < cnt; i++) {
struct device *msm_iommu_get_ctx(const char *ctx_name);
struct device *ctx = msm_iommu_get_ctx(names[i]);
- if (IS_ERR_OR_NULL(ctx))
+ if (IS_ERR_OR_NULL(ctx)) {
+ dev_warn(dev->dev, "couldn't get %s context", names[i]);
continue;
+ }
ret = iommu_attach_device(iommu->domain, ctx);
if (ret) {
dev_warn(dev->dev, "could not attach iommu to %s", names[i]);
@@ -52,6 +54,20 @@ static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
return 0;
}
+static void msm_iommu_detach(struct msm_mmu *mmu, const char **names, int cnt)
+{
+ struct msm_iommu *iommu = to_msm_iommu(mmu);
+ int i;
+
+ for (i = 0; i < cnt; i++) {
+ struct device *msm_iommu_get_ctx(const char *ctx_name);
+ struct device *ctx = msm_iommu_get_ctx(names[i]);
+ if (IS_ERR_OR_NULL(ctx))
+ continue;
+ iommu_detach_device(iommu->domain, ctx);
+ }
+}
+
static int msm_iommu_map(struct msm_mmu *mmu, uint32_t iova,
struct sg_table *sgt, unsigned len, int prot)
{
@@ -110,7 +126,7 @@ static int msm_iommu_unmap(struct msm_mmu *mmu, uint32_t iova,
VERB("unmap[%d]: %08x(%x)", i, iova, bytes);
- BUG_ON(!IS_ALIGNED(bytes, PAGE_SIZE));
+ BUG_ON(!PAGE_ALIGNED(bytes));
da += bytes;
}
@@ -127,6 +143,7 @@ static void msm_iommu_destroy(struct msm_mmu *mmu)
static const struct msm_mmu_funcs funcs = {
.attach = msm_iommu_attach,
+ .detach = msm_iommu_detach,
.map = msm_iommu_map,
.unmap = msm_iommu_unmap,
.destroy = msm_iommu_destroy,
diff --git a/drivers/gpu/drm/msm/msm_mmu.h b/drivers/gpu/drm/msm/msm_mmu.h
index 030324482b4..21da6d154f7 100644
--- a/drivers/gpu/drm/msm/msm_mmu.h
+++ b/drivers/gpu/drm/msm/msm_mmu.h
@@ -22,6 +22,7 @@
struct msm_mmu_funcs {
int (*attach)(struct msm_mmu *mmu, const char **names, int cnt);
+ void (*detach)(struct msm_mmu *mmu, const char **names, int cnt);
int (*map)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt,
unsigned len, int prot);
int (*unmap)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-06 23:55:53 +0000