diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0705-vc4_hdmi_regs-Make-interrupt-mask-variant-specific.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0705-vc4_hdmi_regs-Make-interrupt-mask-variant-specific.patch | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0705-vc4_hdmi_regs-Make-interrupt-mask-variant-specific.patch b/target/linux/bcm27xx/patches-5.4/950-0705-vc4_hdmi_regs-Make-interrupt-mask-variant-specific.patch new file mode 100644 index 0000000000..f2a30c6443 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0705-vc4_hdmi_regs-Make-interrupt-mask-variant-specific.patch @@ -0,0 +1,101 @@ +From 9a9f4303c95f18cc062569c9c5d5240d06ddd69b Mon Sep 17 00:00:00 2001 +From: Dom Cobley <popcornmix@gmail.com> +Date: Thu, 7 May 2020 18:16:08 +0100 +Subject: [PATCH] vc4_hdmi_regs: Make interrupt mask variant specific + +Signed-off-by: Dom Cobley <popcornmix@gmail.com> +--- + drivers/gpu/drm/vc4/vc4_hdmi.c | 14 ++++++++++---- + drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++ + drivers/gpu/drm/vc4/vc4_regs.h | 9 +++++++++ + 3 files changed, 22 insertions(+), 4 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_hdmi.c ++++ b/drivers/gpu/drm/vc4/vc4_hdmi.c +@@ -1286,7 +1286,7 @@ static irqreturn_t vc4_cec_irq_handler(i + u32 stat = HDMI_READ(HDMI_CEC_CPU_STATUS); + u32 cntrl1, cntrl5; + +- if (!(stat & VC4_HDMI_CPU_CEC)) ++ if (!(stat & vc4_hdmi->variant->cec_mask)) + return IRQ_NONE; + vc4_hdmi->cec_rx_msg.len = 0; + cntrl1 = HDMI_READ(HDMI_CEC_CNTRL_1); +@@ -1302,7 +1302,7 @@ static irqreturn_t vc4_cec_irq_handler(i + cntrl1 &= ~VC4_HDMI_CEC_START_XMIT_BEGIN; + } + HDMI_WRITE(HDMI_CEC_CNTRL_1, cntrl1); +- HDMI_WRITE(HDMI_CEC_CPU_CLEAR, VC4_HDMI_CPU_CEC); ++ HDMI_WRITE(HDMI_CEC_CPU_CLEAR, vc4_hdmi->variant->cec_mask); + + return IRQ_WAKE_THREAD; + } +@@ -1341,9 +1341,9 @@ static int vc4_hdmi_cec_adap_enable(stru + ((3600 / usecs) << VC4_HDMI_CEC_CNT_TO_3600_US_SHIFT) | + ((3500 / usecs) << VC4_HDMI_CEC_CNT_TO_3500_US_SHIFT)); + +- HDMI_WRITE(HDMI_CEC_CPU_MASK_CLEAR, VC4_HDMI_CPU_CEC); ++ HDMI_WRITE(HDMI_CEC_CPU_MASK_CLEAR, vc4_hdmi->variant->cec_mask); + } else { +- HDMI_WRITE(HDMI_CEC_CPU_MASK_SET, VC4_HDMI_CPU_CEC); ++ HDMI_WRITE(HDMI_CEC_CPU_MASK_SET, vc4_hdmi->variant->cec_mask); + HDMI_WRITE(HDMI_CEC_CNTRL_5, val | + VC4_HDMI_CEC_TX_SW_RESET | VC4_HDMI_CEC_RX_SW_RESET); + } +@@ -1785,6 +1785,8 @@ static const struct vc4_hdmi_variant bcm + .get_hsm_clock = vc4_hdmi_get_hsm_clock, + .calc_hsm_clock = vc4_hdmi_calc_hsm_clock, + .channel_map = vc4_hdmi_channel_map, ++ ++ .cec_mask = VC4_HDMI_CPU_CEC, + }; + + static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = { +@@ -1810,6 +1812,8 @@ static const struct vc4_hdmi_variant bcm + .get_hsm_clock = vc5_hdmi_get_hsm_clock, + .calc_hsm_clock = vc5_hdmi_calc_hsm_clock, + .channel_map = vc5_hdmi_channel_map, ++ ++ .cec_mask = VC5_HDMI0_CPU_CEC_RX | VC5_HDMI0_CPU_CEC_TX, + }; + + static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = { +@@ -1835,6 +1839,8 @@ static const struct vc4_hdmi_variant bcm + .get_hsm_clock = vc5_hdmi_get_hsm_clock, + .calc_hsm_clock = vc5_hdmi_calc_hsm_clock, + .channel_map = vc5_hdmi_channel_map, ++ ++ .cec_mask = VC5_HDMI1_CPU_CEC_RX | VC5_HDMI1_CPU_CEC_TX, + }; + + static const struct of_device_id vc4_hdmi_dt_match[] = { +--- a/drivers/gpu/drm/vc4/vc4_hdmi.h ++++ b/drivers/gpu/drm/vc4/vc4_hdmi.h +@@ -97,6 +97,9 @@ struct vc4_hdmi_variant { + + /* Callback to get channel map */ + u32 (*channel_map)(struct vc4_hdmi *vc4_hdmi, u32 channel_mask); ++ ++ /* Bitmask for CEC events */ ++ u32 cec_mask; + }; + + /* HDMI audio information */ +--- a/drivers/gpu/drm/vc4/vc4_regs.h ++++ b/drivers/gpu/drm/vc4/vc4_regs.h +@@ -668,6 +668,15 @@ + # define VC4_HDMI_CPU_CEC BIT(6) + # define VC4_HDMI_CPU_HOTPLUG BIT(0) + ++# define VC5_HDMI0_CPU_CEC_RX BIT(1) ++# define VC5_HDMI0_CPU_CEC_TX BIT(0) ++# define VC5_HDMI0_CPU_HOTPLUG_CONN BIT(4) ++# define VC5_HDMI0_CPU_HOTPLUG_REM BIT(5) ++# define VC5_HDMI1_CPU_CEC_RX BIT(7) ++# define VC5_HDMI1_CPU_CEC_TX BIT(6) ++# define VC5_HDMI1_CPU_HOTPLUG_CONN BIT(10) ++# define VC5_HDMI1_CPU_HOTPLUG_REM BIT(11) ++ + /* Debug: Current receive value on the CEC pad. */ + # define VC4_HD_CECRXD BIT(9) + /* Debug: Override CEC output to 0. */ |