openwrt/target/linux/bcm27xx/patches-5.15/950-0756-drm-vc4-kms-Store-channel-in-local-variable.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

71 lines
2.2 KiB
Diff

From 753f22ccb26a9085c987700206bdf6724be9b547 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Fri, 4 Mar 2022 15:58:51 +0100
Subject: [PATCH] drm/vc4: kms: Store channel in local variable
We use the channel from our vc4_crtc_state structure in multiple places,
let's store it in a local variable to make it cleaner.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_kms.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -286,13 +286,14 @@ static void vc5_hvs_pv_muxing_commit(str
for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc_state);
struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
+ unsigned int channel = vc4_state->assigned_channel;
if (!vc4_state->update_muxing)
continue;
switch (vc4_crtc->data->hvs_output) {
case 2:
- mux = (vc4_state->assigned_channel == 2) ? 0 : 1;
+ mux = (channel == 2) ? 0 : 1;
reg = HVS_READ(SCALER_DISPECTRL);
HVS_WRITE(SCALER_DISPECTRL,
(reg & ~SCALER_DISPECTRL_DSP2_MUX_MASK) |
@@ -300,10 +301,10 @@ static void vc5_hvs_pv_muxing_commit(str
break;
case 3:
- if (vc4_state->assigned_channel == VC4_HVS_CHANNEL_DISABLED)
+ if (channel == VC4_HVS_CHANNEL_DISABLED)
mux = 3;
else
- mux = vc4_state->assigned_channel;
+ mux = channel;
reg = HVS_READ(SCALER_DISPCTRL);
HVS_WRITE(SCALER_DISPCTRL,
@@ -312,10 +313,10 @@ static void vc5_hvs_pv_muxing_commit(str
break;
case 4:
- if (vc4_state->assigned_channel == VC4_HVS_CHANNEL_DISABLED)
+ if (channel == VC4_HVS_CHANNEL_DISABLED)
mux = 3;
else
- mux = vc4_state->assigned_channel;
+ mux = channel;
reg = HVS_READ(SCALER_DISPEOLN);
HVS_WRITE(SCALER_DISPEOLN,
@@ -325,10 +326,10 @@ static void vc5_hvs_pv_muxing_commit(str
break;
case 5:
- if (vc4_state->assigned_channel == VC4_HVS_CHANNEL_DISABLED)
+ if (channel == VC4_HVS_CHANNEL_DISABLED)
mux = 3;
else
- mux = vc4_state->assigned_channel;
+ mux = channel;
reg = HVS_READ(SCALER_DISPDITHER);
HVS_WRITE(SCALER_DISPDITHER,