This is a note to let you know that I've just added the patch titled
Revert "drm/bridge: Add 200ms delay to wait FW HPD status stable"
to the 6.7-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:
revert-drm-bridge-add-200ms-delay-to-wait-fw-hpd-sta.patch
and it can be found in the queue-6.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7876e5c3d3a8168f12db287f2c926e294d2d8ef3
Author: Xin Ji <xji@xxxxxxxxxxxxxxxx>
Date: Mon Nov 20 17:10:36 2023 +0800
Revert "drm/bridge: Add 200ms delay to wait FW HPD status stable"
[ Upstream commit af3145aa142c92409d3b123ff87ff0b5fd0bf849 ]
This reverts commit 330140d7319fcc4ec68bd924ea212e476bf12275
200ms delay will cause panel display image later than backlight
turn on, revert this patch.
Fixes: 330140d7319fcc ("drm/bridge: Add 200ms delay to wait FW HPD status stable")
Signed-off-by: Xin Ji <xji@xxxxxxxxxxxxxxxx>
Reviewed-by: Robert Foss <rfoss@xxxxxxxxxx>
Signed-off-by: Robert Foss <rfoss@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20231120091038.284825-1-xji@xxxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 8f740154707d..51abe42c639e 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1464,9 +1464,6 @@ static int _anx7625_hpd_polling(struct anx7625_data *ctx,
if (ctx->pdata.intp_irq)
return 0;
- /* Delay 200ms for FW HPD de-bounce */
- msleep(200);
-
ret = readx_poll_timeout(anx7625_read_hpd_status_p0,
ctx, val,
((val & HPD_STATUS) || (val < 0)),
