GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-04-24 23:34:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

drm/panel: nt39016: Add support for 50 Hz refresh rate

Browse source 
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>
This commit is contained in:
Paul Cercueil 2020-04-08 11:58:30 +02:00
parent fa361758b1
commit 16b4511d83
No known key found for this signature in database
GPG key ID: 73EE6BD2274ABD41
1 changed files with 14 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
drivers/gpu/drm/panel/panel-novatek-nt39016.c
View file

@ -325,7 +325,7 @@ static int nt39016_remove(struct spi_device *spi)
} }
static const struct drm_display_mode kd035g6_display_modes[] = { static const struct drm_display_mode kd035g6_display_modes[] = {
{ { /* 60 Hz */
.clock = 6000, .clock = 6000,
.hdisplay = 320, .hdisplay = 320,
.hsync_start = 320 + 10, .hsync_start = 320 + 10,
@ -338,6 +338,19 @@ static const struct drm_display_mode kd035g6_display_modes[] = {
.vrefresh = 60, .vrefresh = 60,
.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, .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 = { static const struct nt39016_panel_info kd035g6_info = {