Re: [PATCH v2 3/5] drm: panel: add Xingbangda XBD599 panel

Hello Icenowy,

On Mon, Mar 16, 2020 at 09:35:01PM +0800, Icenowy Zheng wrote:

Xingbangda XBD599 is a 5.99" 720x1440 MIPI-DSI IPS LCD panel made by Xingbangda, which is used on PinePhone final assembled phones.

[snip]

+static const struct drm_display_mode xbd599_default_mode = {

• .hdisplay = 720,
• .hsync_start = 720 + 40,
• .hsync_end = 720 + 40 + 40,
• .htotal = 720 + 40 + 40 + 40,
• .vdisplay = 1440,
• .vsync_start = 1440 + 18,
• .vsync_end = 1440 + 18 + 10,
• .vtotal = 1440 + 18 + 10 + 17,
• .vrefresh = 60,

Does the display actually run for you at 60fps? I measured 36.63 FPS with a DRM app that just does DRM_IOCTL_MODE_ATOMIC update after each DRM_EVENT_FLIP_COMPLETE event.

thank you and regards, o.

• .clock = 69000,
• .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
• .width_mm = 68,
• .height_mm = 136,
• .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,

+};