5.15-stable review patch. If anyone has any objections, please let me know.
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From: Bogdan Togorean bogdan.togorean@analog.com
[ Upstream commit d281eeaa4de2636ff0c8e6ae387bb07b50e5fcbb ]
For ADV7533 and ADV7535 low refresh rate is selected using bits [3:2] of 0x4a main register. So depending on ADV model write 0xfb or 0x4a register.
Fixes: 2437e7cd88e8 ("drm/bridge: adv7533: Initial support for ADV7533") Reviewed-by: Robert Foss rfoss@kernel.org Reviewed-by: Nuno Sa nuno.sa@analog.com Signed-off-by: Bogdan Togorean bogdan.togorean@analog.com Signed-off-by: Alexandru Ardelean alex@shruggie.ro Reviewed-by: Frieder Schrempf frieder.schrempf@kontron.de Signed-off-by: Robert Foss rfoss@kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20230719060143.63649-1-alex@sh... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 44762116aac97..ce40cd1ae1670 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -786,8 +786,13 @@ static void adv7511_mode_set(struct adv7511 *adv7511, else low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE;
- regmap_update_bits(adv7511->regmap, 0xfb, - 0x6, low_refresh_rate << 1); + if (adv7511->type == ADV7511) + regmap_update_bits(adv7511->regmap, 0xfb, + 0x6, low_refresh_rate << 1); + else + regmap_update_bits(adv7511->regmap, 0x4a, + 0xc, low_refresh_rate << 2); + regmap_update_bits(adv7511->regmap, 0x17, 0x60, (vsync_polarity << 6) | (hsync_polarity << 5));