6.17-stable review patch. If anyone has any objections, please let me know.
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From: Langyan Ye yelangyan@huaqin.corp-partner.google.com
[ Upstream commit 9b3700b15cb581d748c3d46e7eb30ffced1642e8 ]
For the MNB601LS1-4 panel, the T9+T10 timing does not meet the requirements of the specification, so disable is set to 100ms.
Fixes: 9d8e91439fc3 ("drm/panel-edp: Add CSW MNB601LS1-4") Signed-off-by: Langyan Ye yelangyan@huaqin.corp-partner.google.com Reviewed-by: Douglas Anderson dianders@chromium.org Signed-off-by: Douglas Anderson dianders@chromium.org Link: https://lore.kernel.org/r/20250721061627.3816612-1-yelangyan@huaqin.corp-par... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/panel/panel-edp.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c index 9a56e208cbddb..09170470b3ef1 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -1828,6 +1828,13 @@ static const struct panel_delay delay_50_500_e200_d200_po2e335 = { .powered_on_to_enable = 335, };
+static const struct panel_delay delay_200_500_e50_d100 = { + .hpd_absent = 200, + .unprepare = 500, + .enable = 50, + .disable = 100, +}; + #define EDP_PANEL_ENTRY(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _delay, _name) \ { \ .ident = { \ @@ -1984,7 +1991,7 @@ static const struct edp_panel_entry edp_panels[] = {
EDP_PANEL_ENTRY('C', 'S', 'W', 0x1100, &delay_200_500_e80_d50, "MNB601LS1-1"), EDP_PANEL_ENTRY('C', 'S', 'W', 0x1103, &delay_200_500_e80_d50, "MNB601LS1-3"), - EDP_PANEL_ENTRY('C', 'S', 'W', 0x1104, &delay_200_500_e50, "MNB601LS1-4"), + EDP_PANEL_ENTRY('C', 'S', 'W', 0x1104, &delay_200_500_e50_d100, "MNB601LS1-4"), EDP_PANEL_ENTRY('C', 'S', 'W', 0x1448, &delay_200_500_e50, "MNE007QS3-7"), EDP_PANEL_ENTRY('C', 'S', 'W', 0x1457, &delay_80_500_e80_p2e200, "MNE007QS3-8"),