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authorÁlvaro Fernández Rojas <noltari@gmail.com>2022-05-16 23:40:32 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2022-05-17 15:11:22 +0200
commit20ea6adbf199097c4f5f591ffee088340630dae4 (patch)
treed6719d95e136611a1c25bbf7789652d6d402779d /target/linux/bcm27xx/patches-5.15/950-0756-drm-vc4-kms-Store-channel-in-local-variable.patch
parentbca05bd072180dc38ef740b37ded9572a6db1981 (diff)
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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>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0756-drm-vc4-kms-Store-channel-in-local-variable.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.15/950-0756-drm-vc4-kms-Store-channel-in-local-variable.patch70
1 files changed, 70 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0756-drm-vc4-kms-Store-channel-in-local-variable.patch b/target/linux/bcm27xx/patches-5.15/950-0756-drm-vc4-kms-Store-channel-in-local-variable.patch
new file mode 100644
index 0000000000..e15e0a7135
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.15/950-0756-drm-vc4-kms-Store-channel-in-local-variable.patch
@@ -0,0 +1,70 @@
+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,