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-rw-r--r--libdrm/xf86drmMode.c77
-rw-r--r--libdrm/xf86drmMode.h17
2 files changed, 89 insertions, 5 deletions
diff --git a/libdrm/xf86drmMode.c b/libdrm/xf86drmMode.c
index e400f219..f697232d 100644
--- a/libdrm/xf86drmMode.c
+++ b/libdrm/xf86drmMode.c
@@ -316,7 +316,7 @@ int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
drmModeOutputPtr drmModeGetOutput(int fd, uint32_t output_id)
{
struct drm_mode_get_output out;
- drmModeOutputPtr r = 0;
+ drmModeOutputPtr r = NULL;
out.output = output_id;
out.count_crtcs = 0;
@@ -325,18 +325,27 @@ drmModeOutputPtr drmModeGetOutput(int fd, uint32_t output_id)
out.clones = 0;
out.count_modes = 0;
out.modes = 0;
+ out.count_props = 0;
+ out.props = NULL;
+ out.prop_values = NULL;
if (ioctl(fd, DRM_IOCTL_MODE_GETOUTPUT, &out))
return 0;
+ if (out.count_props) {
+ out.props = drmMalloc(out.count_props*sizeof(uint32_t));
+ out.prop_values = drmMalloc(out.count_props*sizeof(uint32_t));
+ }
+
if (out.count_modes)
out.modes = drmMalloc(out.count_modes*sizeof(uint32_t));
if (ioctl(fd, DRM_IOCTL_MODE_GETOUTPUT, &out))
goto err_allocs;
- if(!(r = drmMalloc(sizeof(*r))))
- return 0;
+ if(!(r = drmMalloc(sizeof(*r)))) {
+ goto err_allocs;
+ }
r->output_id = out.output;
r->crtc = out.crtc;
@@ -350,15 +359,19 @@ drmModeOutputPtr drmModeGetOutput(int fd, uint32_t output_id)
/* TODO we should test if these alloc & cpy fails. */
r->crtcs = out.crtcs;
r->clones = out.clones;
+ r->count_props = out.count_props;
+ r->props = drmAllocCpy(out.props, out.count_props, sizeof(uint32_t));
+ r->prop_values = drmAllocCpy(out.prop_values, out.count_props, sizeof(uint32_t));
r->modes = drmAllocCpy(out.modes, out.count_modes, sizeof(uint32_t));
strncpy(r->name, out.name, DRM_OUTPUT_NAME_LEN);
r->name[DRM_OUTPUT_NAME_LEN-1] = 0;
- return r;
err_allocs:
+ drmFree(out.prop_values);
+ drmFree(out.props);
drmFree(out.modes);
- return 0;
+ return r;
}
uint32_t drmModeAddMode(int fd, struct drm_mode_modeinfo *mode_info)
@@ -396,3 +409,57 @@ int drmModeDetachMode(int fd, uint32_t output_id, uint32_t mode_id)
}
+drmModePropertyPtr drmModeGetProperty(int fd, uint32_t property_id)
+{
+ struct drm_mode_get_property prop;
+ drmModePropertyPtr r;
+
+ prop.prop_id = property_id;
+ prop.count_enums = 0;
+ prop.count_values = 0;
+ prop.flags = 0;
+ prop.enums = NULL;
+ prop.values = NULL;
+
+ if (ioctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop))
+ return 0;
+
+ if (prop.count_values)
+ prop.values = drmMalloc(prop.count_values * sizeof(uint32_t));
+
+ if (prop.count_enums)
+ prop.enums = drmMalloc(prop.count_enums * sizeof(struct drm_mode_property_enum));
+
+ if (ioctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop)) {
+ r = NULL;
+ goto err_allocs;
+ }
+
+ if (!(r = drmMalloc(sizeof(*r))))
+ return NULL;
+
+ r->prop_id = prop.prop_id;
+ r->count_values = prop.count_values;
+ r->count_enums = prop.count_enums;
+
+ r->values = drmAllocCpy(prop.values, prop.count_values, sizeof(uint32_t));
+ r->enums = drmAllocCpy(prop.enums, prop.count_enums, sizeof(struct drm_mode_property_enum));
+ strncpy(r->name, prop.name, DRM_PROP_NAME_LEN);
+ r->name[DRM_PROP_NAME_LEN-1] = 0;
+
+err_allocs:
+ drmFree(prop.values);
+ drmFree(prop.enums);
+
+ return r;
+}
+
+void drmModeFreeProperty(drmModePropertyPtr ptr)
+{
+ if (!ptr)
+ return;
+
+ drmFree(ptr->values);
+ drmFree(ptr->enums);
+ drmFree(ptr);
+}
diff --git a/libdrm/xf86drmMode.h b/libdrm/xf86drmMode.h
index be9d84af..5e966e95 100644
--- a/libdrm/xf86drmMode.h
+++ b/libdrm/xf86drmMode.h
@@ -70,6 +70,17 @@ typedef struct _drmModeRes {
typedef struct drm_mode_fb_cmd drmModeFB, *drmModeFBPtr;
+typedef struct _drmModeProperty {
+ unsigned int prop_id;
+ unsigned int flags;
+ unsigned char name[DRM_PROP_NAME_LEN];
+ int count_values;
+ uint32_t *values;
+ int count_enums;
+ struct drm_mode_property_enum *enums;
+
+} drmModePropertyRes, *drmModePropertyPtr;
+
typedef struct _drmModeCrtc {
unsigned int crtc_id;
unsigned int buffer_id; /**< FB id to connect to 0 = disconnect*/
@@ -121,6 +132,10 @@ typedef struct _drmModeOutput {
int count_modes;
uint32_t *modes; /**< List of modes ids */
+ int count_props;
+ uint32_t *props; /**< List of property ids */
+ uint32_t *prop_values; /**< List of property values */
+
} drmModeOutput, *drmModeOutputPtr;
@@ -207,3 +222,5 @@ extern int drmModeAttachMode(int fd, uint32_t outputId, uint32_t modeId);
*/
extern int drmModeDetachMode(int fd, uint32_t outputId, uint32_t modeId);
+extern drmModePropertyPtr drmModeGetProperty(int fd, uint32_t propertyId);
+extern void drmModeFreeProperty(drmModePropertyPtr ptr);