RK3399 HDMI特殊分辨率输出该怎么设置呢

如题，接收端有个比较特殊的分辨率输出，在854*480的样子。应该更改哪个地方呢

李桂英

2022-8-18 16:24:31

800*480的显示器在Ubuntu下不设置就能显示，Android下没弄出来

我也遇到了同样的问题，经过一个多星期的努力解决了（我的分辨率是480x800）:
diff --git a/device/rockchip/rk3399/resolution_white.xml b/device/rockchip/rk3399/resolution_white.xml
index 040afe5..40f4596 100755
--- a/device/rockchip/rk3399/resolution_white.xml
+++ b/device/rockchip/rk3399/resolution_white.xml
@@ -1,6 +1,22 @@


+       32000
+       480
+       520
+             568
+             608
+             0
+             800
+             813
+             816
+             845
+             0
+             62
+             a
+             1
+
+
      27000
      720
      736
diff --git a/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop b/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop
index 1214bf6..5db009d 100755
--- a/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop
+++ b/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop
@@ -47,7 +47,7 @@ ro.rk.statusbar=0
ro.rk.displayd.enable=false

# default main framebuffer resolution
-persist.sys.framebuffer.main=1920x1080
+persist.sys.framebuffer.main=480x800

# default primary display
sys.hwc.device.primary=HDMI-A

diff --git a/packages/apps/Settings/res/values/arrays.xml b/packages/apps/Settings/res/values/arrays.xml
index 005fc76..e13853a 100755
--- a/packages/apps/Settings/res/values/arrays.xml
+++ b/packages/apps/Settings/res/values/arrays.xml
@@ -1071,6 +1071,7 @@

+       480x800p-62Hz
      1920x1080p-50Hz
      1920x1080p-60Hz
      1280x720p-50Hz
@@ -1079,6 +1080,7 @@
      720x480p-60Hz

+       480x800p-62n
      1920x1080p-50n
      1920x1080p-60n
      1280x720p-50n
@@ -1125,6 +1127,7 @@

+       480x800p-62
      1920x1080p-60
      1280x720p-60
      720x480p-60

下面文件不用修改，但可以根据打印出的mode变量的内容，修改/device/rockchip/rk3399/resolution_white.xml设置的resolution内容（我的打印内容的代码已经删了，这里只是提供打印的地方）。
--- a/kernel/drivers/gpu/drm/drm_probe_helper.c
+++ b/kernel/drivers/gpu/drm/drm_probe_helper.c
@@ -192,7 +192,7 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect
      dev->mode_config.poll_running = drm_kms_helper_poll;

      if (connector->status == connector_status_disconnected) {
-             DRM_DEBUG_KMS("[CONNECTOR:%d:%s] disconnectedn",
+             dev_err(connector->dev->dev, "[CONNECTOR:%d:%s] disconnectedn",
                     connector->base.id, connector->name);
            drm_mode_connector_update_edid_property(connector, NULL);
            verbose_prune = false;
@@ -201,6 +201,7 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect

#ifdef CONFIG_DRM_LOAD_EDID_FIRMWARE
      count = drm_load_edid_firmware(connector);
+    DRM_DEBUG_KMS("[%d] count = %d", __LINE__, count);
      if (count == 0)
#endif
      {
@@ -209,13 +210,16 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect

                     count = drm_add_edid_modes(connector, edid);
                     drm_edid_to_eld(connector, edid);
+                      dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
            } else
                     count = (*connector_funcs->get_modes)(connector);
      }
-
+    dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
      if (count == 0 && connector->status == connector_status_connected)
            count = drm_add_modes_noedid(connector, 1024, 768);
+    dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
      count += drm_helper_probe_add_cmdline_mode(connector);
+    dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
      if (count == 0)
            goto prune;

@@ -260,7 +264,7 @@ prune:
            drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
            drm_mode_debug_printmodeline(mode);
      }
-
+    dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
      return count;
}

我也遇到了同样的问题，经过一个多星期的努力解决了（我的分辨率是480x800）:
diff --git a/device/rockchip/rk3399/resolution_white.xml b/device/rockchip/rk3399/resolution_white.xml
index 040afe5..40f4596 100755
--- a/device/rockchip/rk3399/resolution_white.xml
+++ b/device/rockchip/rk3399/resolution_white.xml
@@ -1,6 +1,22 @@


+       32000
+       480
+       520
+             568
+             608
+             0
+             800
+             813
+             816
+             845
+             0
+             62
+             a
+             1
+
+
      27000
      720
      736
diff --git a/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop b/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop
index 1214bf6..5db009d 100755
--- a/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop
+++ b/device/rockchip/rk3399/rk3399_firefly_aio_box/system.prop
@@ -47,7 +47,7 @@ ro.rk.statusbar=0
ro.rk.displayd.enable=false

# default main framebuffer resolution
-persist.sys.framebuffer.main=1920x1080
+persist.sys.framebuffer.main=480x800

# default primary display
sys.hwc.device.primary=HDMI-A

diff --git a/packages/apps/Settings/res/values/arrays.xml b/packages/apps/Settings/res/values/arrays.xml
index 005fc76..e13853a 100755
--- a/packages/apps/Settings/res/values/arrays.xml
+++ b/packages/apps/Settings/res/values/arrays.xml
@@ -1071,6 +1071,7 @@

+       480x800p-62Hz
      1920x1080p-50Hz
      1920x1080p-60Hz
      1280x720p-50Hz
@@ -1079,6 +1080,7 @@
      720x480p-60Hz

+       480x800p-62n
      1920x1080p-50n
      1920x1080p-60n
      1280x720p-50n
@@ -1125,6 +1127,7 @@

+       480x800p-62
      1920x1080p-60
      1280x720p-60
      720x480p-60

下面文件不用修改，但可以根据打印出的mode变量的内容，修改/device/rockchip/rk3399/resolution_white.xml设置的resolution内容（我的打印内容的代码已经删了，这里只是提供打印的地方）。
--- a/kernel/drivers/gpu/drm/drm_probe_helper.c
+++ b/kernel/drivers/gpu/drm/drm_probe_helper.c
@@ -192,7 +192,7 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect
      dev->mode_config.poll_running = drm_kms_helper_poll;

      if (connector->status == connector_status_disconnected) {
-             DRM_DEBUG_KMS("[CONNECTOR:%d:%s] disconnectedn",
+             dev_err(connector->dev->dev, "[CONNECTOR:%d:%s] disconnectedn",
                     connector->base.id, connector->name);
            drm_mode_connector_update_edid_property(connector, NULL);
            verbose_prune = false;
@@ -201,6 +201,7 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect

#ifdef CONFIG_DRM_LOAD_EDID_FIRMWARE
      count = drm_load_edid_firmware(connector);
+    DRM_DEBUG_KMS("[%d] count = %d", __LINE__, count);
      if (count == 0)
#endif
      {
@@ -209,13 +210,16 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect

                     count = drm_add_edid_modes(connector, edid);
                     drm_edid_to_eld(connector, edid);
+                      dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
            } else
                     count = (*connector_funcs->get_modes)(connector);
      }
-
+    dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
      if (count == 0 && connector->status == connector_status_connected)
            count = drm_add_modes_noedid(connector, 1024, 768);
+    dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
      count += drm_helper_probe_add_cmdline_mode(connector);
+    dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
      if (count == 0)
            goto prune;

@@ -260,7 +264,7 @@ prune:
            drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
            drm_mode_debug_printmodeline(mode);
      }
-
+    dev_err(connector->dev->dev, "[%d] count = %d", __LINE__, count);
      return count;
}

李涛

2022-8-18 16:24:45

亲测有效，我是T4的开发板，只改了system.prop 文件就可以了

刘丽

2022-8-18 16:25:01

我个人感觉单纯改这个不行吧，你应该他适应的分辨率的枚举，然后改system.prop 为默认，这样就对了。要不然他适应的枚举里面没有，你该system.prop  也没有反应的
文件路径

~/proj/firefly-rk3399/kernel/drivers/video/rockchip/hdmi#

/* HDMI video information code according CEA-861-F */
enum hdmi_video_information_code {
      HDMI_640X480P_60HZ = 1,
      HDMI_720X480P_60HZ_4_3,
      HDMI_720X480P_60HZ_16_9,
      HDMI_1280X720P_60HZ,
      HDMI_1920X1080I_60HZ,             /*5*/
      HDMI_720X480I_60HZ_4_3,
      HDMI_720X480I_60HZ_16_9,
      HDMI_720X240P_60HZ_4_3,
      HDMI_720X240P_60HZ_16_9,
      HDMI_2880X480I_60HZ_4_3,       /*10*/
      HDMI_2880X480I_60HZ_16_9,
      HDMI_2880X240P_60HZ_4_3,
      HDMI_2880X240P_60HZ_16_9,
      HDMI_1440X480P_60HZ_4_3,
      HDMI_1440X480P_60HZ_16_9,       /*15*/
      HDMI_1920X1080P_60HZ,
      HDMI_720X576P_50HZ_4_3,
      HDMI_720X576P_50HZ_16_9,
      HDMI_1280X720P_50HZ,
      HDMI_1920X1080I_50HZ,             /*20*/
      HDMI_720X576I_50HZ_4_3,
      HDMI_720X576I_50HZ_16_9,
      HDMI_720X288P_50HZ_4_3,
      HDMI_720X288P_50HZ_16_9,
      HDMI_2880X576I_50HZ_4_3,       /*25*/
      HDMI_2880X576I_50HZ_16_9,
      HDMI_2880X288P_50HZ_4_3,
      HDMI_2880X288P_50HZ_16_9,
      HDMI_1440X576P_50HZ_4_3,
      HDMI_1440X576P_50HZ_16_9,       /*30*/
      HDMI_1920X1080P_50HZ,
      HDMI_1920X1080P_24HZ,
      HDMI_1920X1080P_25HZ,
      HDMI_1920X1080P_30HZ,
      HDMI_2880X480P_60HZ_4_3,       /*35*/
      HDMI_2880X480P_60HZ_16_9,
      HDMI_2880X576P_50HZ_4_3,
      HDMI_2880X576P_50HZ_16_9,
      HDMI_1920X1080I_50HZ_1250,       /* V Line 1250 total*/
      HDMI_1920X1080I_100HZ,             /*40*/
      HDMI_1280X720P_100HZ,
      HDMI_720X576P_100HZ_4_3,
      HDMI_720X576P_100HZ_16_9,
      HDMI_720X576I_100HZ_4_3,
      HDMI_720X576I_100HZ_16_9,       /*45*/
      HDMI_1920X1080I_120HZ,
      HDMI_1280X720P_120HZ,
      HDMI_720X480P_120HZ_4_3,
      HDMI_720X480P_120HZ_16_9,
      HDMI_720X480I_120HZ_4_3,       /*50*/
      HDMI_720X480I_120HZ_16_9,
      HDMI_720X576P_200HZ_4_3,
      HDMI_720X576P_200HZ_16_9,
      HDMI_720X576I_200HZ_4_3,
      HDMI_720X576I_200HZ_16_9,       /*55*/
      HDMI_720X480P_240HZ_4_3,
      HDMI_720X480P_240HZ_16_9,
      HDMI_720X480I_240HZ_4_3,
      HDMI_720X480I_240HZ_16_9,
      HDMI_1280X720P_24HZ,             /*60*/
      HDMI_1280X720P_25HZ,
      HDMI_1280X720P_30HZ,
      HDMI_1920X1080P_120HZ,
      HDMI_1920X1080P_100HZ,
      HDMI_1280X720P_24HZ_21_9,       /*65*/
      HDMI_1280X720P_25HZ_21_9,
      HDMI_1280X720P_30HZ_21_9,
      HDMI_1280X720P_50HZ_21_9,
      HDMI_1280X720P_60HZ_21_9,
      HDMI_1280X720P_100HZ_21_9,       /*70*/
      HDMI_1280X720P_120HZ_21_9,
      HDMI_1920X1080P_24HZ_21_9,
      HDMI_1920X1080P_25HZ_21_9,
      HDMI_1920X1080P_30HZ_21_9,
      HDMI_1920X1080P_50HZ_21_9,       /*75*/
      HDMI_1920X1080P_60HZ_21_9,
      HDMI_1920X1080P_100HZ_21_9,
      HDMI_1920X1080P_120HZ_21_9,
      HDMI_1680X720P_24HZ,
      HDMI_1680X720P_25HZ,             /*80*/
      HDMI_1680X720P_30HZ,
      HDMI_1680X720P_50HZ,
      HDMI_1680X720P_60HZ,
      HDMI_1680X720P_100HZ,
      HDMI_1680X720P_120HZ,             /*85*/
      HDMI_2560X1080P_24HZ,
      HDMI_2560X1080P_25HZ,
      HDMI_2560X1080P_30HZ,
      HDMI_2560X1080P_50HZ,
      HDMI_2560X1080P_60HZ,             /*90*/
      HDMI_2560X1080P_100HZ,
      HDMI_2560X1080P_120HZ,
      HDMI_3840X2160P_24HZ,
      HDMI_3840X2160P_25HZ,
      HDMI_3840X2160P_30HZ,             /*95*/
      HDMI_3840X2160P_50HZ,
      HDMI_3840X2160P_60HZ,
      HDMI_4096X2160P_24HZ,
      HDMI_4096X2160P_25HZ,
      HDMI_4096X2160P_30HZ,             /*100*/
      HDMI_4096X2160P_50HZ,
      HDMI_4096X2160P_60HZ,
      HDMI_3840X2160P_24HZ_21_9,
      HDMI_3840X2160P_25HZ_21_9,
      HDMI_3840X2160P_30HZ_21_9,       /*105*/
      HDMI_3840X2160P_50HZ_21_9,
      HDMI_3840X2160P_60HZ_21_9,
};

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