Patch "drm/panel: boe-tv101wum-nl6: Fine tune the panel power sequence" has been added to the 5.10-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is a note to let you know that I've just added the patch titled

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

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-panel-boe-tv101wum-nl6-fine-tune-the-panel-power.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit fa93f5aab2ff711235912ea966b0fef5b99ebb46
Author: Shuijing Li <shuijing.li@xxxxxxxxxxxx>
Date:   Mon May 15 17:49:55 2023 +0800

    drm/panel: boe-tv101wum-nl6: Fine tune the panel power sequence
    
    [ Upstream commit 812562b8d881ce6d33fed8052b3a10b718430fb5 ]
    
    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: Shuijing Li <shuijing.li@xxxxxxxxxxxx>
    Signed-off-by: Xinlei Lee <xinlei.lee@xxxxxxxxxxxx>
    Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
    Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
    Link: https://patchwork.freedesktop.org/patch/msgid/20230515094955.15982-3-shuijing.li@xxxxxxxxxxxx
    Stable-dep-of: 6965809e5269 ("drm/panel: auo,b101uan08.3: Fine tune the panel power sequence")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
index db9d0b86d5428..3229e5eabbd21 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -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 {
@@ -551,6 +552,10 @@ static int boe_panel_prepare(struct drm_panel *panel)
 
 	usleep_range(5000, 10000);
 
+	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);
@@ -719,6 +724,7 @@ 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 int boe_panel_get_modes(struct drm_panel *panel,



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux