Commit 795db2af authored by Paul Cercueil's avatar Paul Cercueil Committed by Sam Ravnborg
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drm/panel-simple: Add 50 Hz mode to the Frida FRD350H54004 panel 



By changing the pixel clock and the length of the back porch, it is
possible to obtain a perfect 50 Hz refresh rate.

v2: Rebase on drm-misc-next

Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200716125647.10964-2-paul@crapouillou.net
parent bad20a2d

drivers/gpu/drm/panel/panel-simple.c

+27 −13
Original line number Diff line number Diff line
@@ -1753,7 +1753,8 @@ static const struct panel_desc foxlink_fl500wvr00_a0t = { 
	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,

};



static const struct drm_display_mode frida_frd350h54004_mode = {

static const struct drm_display_mode frida_frd350h54004_modes[] = {

	{ /* 60 Hz */

		.clock = 6000,

		.hdisplay = 320,

		.hsync_start = 320 + 44,
@@ -1764,11 +1765,24 @@ static const struct drm_display_mode frida_frd350h54004_mode = { 
		.vsync_end = 240 + 2 + 6,

		.vtotal = 240 + 2 + 6 + 2,

		.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,

	},

	{ /* 50 Hz */

		.clock = 5400,

		.hdisplay = 320,

		.hsync_start = 320 + 56,

		.hsync_end = 320 + 56 + 16,

		.htotal = 320 + 56 + 16 + 40,

		.vdisplay = 240,

		.vsync_start = 240 + 2,

		.vsync_end = 240 + 2 + 6,

		.vtotal = 240 + 2 + 6 + 2,

		.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,

	},

};



static const struct panel_desc frida_frd350h54004 = {

	.modes = &frida_frd350h54004_mode,

	.num_modes = 1,

	.modes = frida_frd350h54004_modes,

	.num_modes = ARRAY_SIZE(frida_frd350h54004_modes),

	.bpc = 8,

	.size = {

		.width = 77,