diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hdmi_phy.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hdmi_phy.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi_phy.c b/drivers/gpu/drm/vc4/vc4_hdmi_phy.c index 5a1746877bb5..93287e24d7d1 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi_phy.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi_phy.c @@ -7,6 +7,7 @@ */ #include "vc4_hdmi.h" +#include "vc4_regs.h" #include "vc4_hdmi_regs.h" void vc4_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi, struct drm_display_mode *mode) @@ -23,3 +24,17 @@ void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi) { HDMI_WRITE(HDMI_TX_PHY_RESET_CTL, 0xf << 16); } + +void vc4_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi) +{ + HDMI_WRITE(HDMI_TX_PHY_CTL_0, + HDMI_READ(HDMI_TX_PHY_CTL_0) & + ~VC4_HDMI_TX_PHY_RNG_PWRDN); +} + +void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi) +{ + HDMI_WRITE(HDMI_TX_PHY_CTL_0, + HDMI_READ(HDMI_TX_PHY_CTL_0) | + VC4_HDMI_TX_PHY_RNG_PWRDN); +} |