aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/bcm27xx/patches-5.15/950-0756-drm-vc4-kms-Store-channel-in-local-variable.patch
blob: e15e0a71357ada05a7ce6e150cc53f414567a117 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
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,