Commit 812562b8 authored by Shuijing Li's avatar Shuijing Li Committed by Neil Armstrong
Browse files

drm/panel: boe-tv101wum-nl6: Fine tune the panel power sequence 



For "boe,tv105wum-nw0" this special panel, it is stipulated in
the panel spec that MIPI needs to keep the LP11 state before
the lcm_reset pin is pulled high.

Signed-off-by: default avatarShuijing Li <shuijing.li@mediatek.com>
Signed-off-by: default avatarXinlei Lee <xinlei.lee@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230515094955.15982-3-shuijing.li@mediatek.com
parent fe7f4e8d

drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c

+6 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ struct panel_desc { 
	const struct panel_init_cmd *init_cmds;

	unsigned int lanes;

	bool discharge_on_disable;

	bool lp11_before_reset;

};



struct boe_panel {
@@ -1365,6 +1366,10 @@ static int boe_panel_prepare(struct drm_panel *panel) 


	usleep_range(10000, 11000);



	if (boe->desc->lp11_before_reset) {

		mipi_dsi_dcs_nop(boe->dsi);

		usleep_range(1000, 2000);

	}

	gpiod_set_value(boe->enable_gpio, 1);

	usleep_range(1000, 2000);

	gpiod_set_value(boe->enable_gpio, 0);
@@ -1591,6 +1596,7 @@ static const struct panel_desc boe_tv105wum_nw0_desc = { 
	.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |

		      MIPI_DSI_MODE_LPM,

	.init_cmds = boe_init_cmd,

	.lp11_before_reset = true,

};



static const struct drm_display_mode starry_qfh032011_53g_default_mode = {