diff options
| author | Paul Cercueil <paul@crapouillou.net> | 2020-04-08 11:58:30 +0200 |
|---|---|---|
| committer | Paul Cercueil <paul@crapouillou.net> | 2020-04-08 13:32:32 +0200 |
| commit | 16b4511d836c7228cd0f59e5b43d52c9d9bcc68f (patch) | |
| tree | 461e1313e71df9ea15b8f3013cbf99a764724d14 /drivers/gpu/drm/panel | |
| parent | fa361758b109aa7a4ce309fbd1adba2d9d76a197 (diff) | |
drm/panel: nt39016: Add support for 50 Hz refresh rate
By changing the pixel clock and the length of the back porch, it is
possible to obtain a perfect 50 Hz refresh rate.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200408095830.8131-2-paul@crapouillou.net
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'drivers/gpu/drm/panel')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-novatek-nt39016.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt39016.c b/drivers/gpu/drm/panel/panel-novatek-nt39016.c index f1286cf6528b..05cae8d62d56 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt39016.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt39016.c @@ -325,7 +325,7 @@ static int nt39016_remove(struct spi_device *spi) } static const struct drm_display_mode kd035g6_display_modes[] = { - { + { /* 60 Hz */ .clock = 6000, .hdisplay = 320, .hsync_start = 320 + 10, @@ -338,6 +338,19 @@ static const struct drm_display_mode kd035g6_display_modes[] = { .vrefresh = 60, .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, }, + { /* 50 Hz */ + .clock = 5400, + .hdisplay = 320, + .hsync_start = 320 + 42, + .hsync_end = 320 + 42 + 50, + .htotal = 320 + 42 + 50 + 20, + .vdisplay = 240, + .vsync_start = 240 + 5, + .vsync_end = 240 + 5 + 1, + .vtotal = 240 + 5 + 1 + 4, + .vrefresh = 50, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + }, }; static const struct nt39016_panel_info kd035g6_info = { |