Unverified Commit 16b4511d authored by Paul Cercueil's avatar Paul Cercueil
Browse files

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: default avatarPaul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200408095830.8131-2-paul@crapouillou.net


Acked-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent fa361758

drivers/gpu/drm/panel/panel-novatek-nt39016.c

+14 −1
Original line number Diff line number Diff line
@@ -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 = {

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