Hi Neil,
Am Donnerstag, dem 07.04.2022 um 10:30 +0200 schrieb Neil Armstrong:
Hi Lucas,
On 06/04/2022 18:01, Lucas Stach wrote:
Allow vendor PHY implementations to reset PHYs with different polarity than the current Gen2 reset.
Signed-off-by: Lucas Stach l.stach@pengutronix.de
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 7 +++++++ include/drm/bridge/dw_hdmi.h | 1 + 2 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 4befc104d220..7600f26aab27 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -1365,6 +1365,13 @@ void dw_hdmi_phy_reset(struct dw_hdmi *hdmi) } EXPORT_SYMBOL_GPL(dw_hdmi_phy_reset);
+void dw_hdmi_phy_reset_active_low(struct dw_hdmi *hdmi) +{
- hdmi_writeb(hdmi, 0, HDMI_MC_PHYRSTZ);
- hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_PHYRSTZ, HDMI_MC_PHYRSTZ);
+} +EXPORT_SYMBOL_GPL(dw_hdmi_phy_reset_active_low);
- void dw_hdmi_phy_i2c_set_addr(struct dw_hdmi *hdmi, u8 address) { hdmi_phy_test_clear(hdmi, 1);
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h index 2a1f85f9a8a3..9b3d52a1e62a 100644 --- a/include/drm/bridge/dw_hdmi.h +++ b/include/drm/bridge/dw_hdmi.h @@ -190,6 +190,7 @@ void dw_hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data, void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable); void dw_hdmi_phy_gen2_txpwron(struct dw_hdmi *hdmi, u8 enable); void dw_hdmi_phy_reset(struct dw_hdmi *hdmi); +void dw_hdmi_phy_reset_active_low(struct dw_hdmi *hdmi);
enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi, void *data);
This has already been submitted at https://lore.kernel.org/r/800262112191a720639ba321be18f0926d4e1d2a.164923043...
Thanks for the pointer, seems I missed this series. I'll switch to this function instead.
Regards, Lucas