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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-08-21 10:54:34 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-08-21 19:07:07 +0200
commit8299d1f057439f94c6a4412e2e5c5082b82a30c9 (patch)
tree1bf678d61f11f7394493be464c7876e496f7faed /target/linux/bcm27xx/patches-5.10/950-0539-drm-vc4-hdmi-Convert-to-the-new-clock-request-API.patch
parent33b6885975ce376ff075362b7f0890326043111b (diff)
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bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0539-drm-vc4-hdmi-Convert-to-the-new-clock-request-API.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.10/950-0539-drm-vc4-hdmi-Convert-to-the-new-clock-request-API.patch42
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0539-drm-vc4-hdmi-Convert-to-the-new-clock-request-API.patch b/target/linux/bcm27xx/patches-5.10/950-0539-drm-vc4-hdmi-Convert-to-the-new-clock-request-API.patch
new file mode 100644
index 0000000000..174f6fb3a1
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0539-drm-vc4-hdmi-Convert-to-the-new-clock-request-API.patch
@@ -0,0 +1,42 @@
+From ccc2fa16de3fef192885831595a168a36bfdd842 Mon Sep 17 00:00:00 2001
+From: Dom Cobley <popcornmix@gmail.com>
+Date: Tue, 13 Apr 2021 14:10:03 +0100
+Subject: [PATCH] drm/vc4: hdmi: Convert to the new clock request API
+
+The new clock request API allows us to increase the rate of the
+core clock as required during mode set while decreasing it when
+we're done, resulting in a better power-efficiency.
+
+Signed-off-by: Dom Cobley <popcornmix@gmail.com>
+---
+ drivers/gpu/drm/vc4/vc4_kms.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_kms.c
+@@ -313,6 +313,7 @@ vc4_atomic_complete_commit(struct drm_at
+ struct vc4_hvs *hvs = vc4->hvs;
+ struct drm_crtc_state *new_crtc_state;
+ struct drm_crtc *crtc;
++ struct clk_request *core_req;
+ int i;
+
+ for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
+@@ -326,7 +327,7 @@ vc4_atomic_complete_commit(struct drm_at
+ }
+
+ if (vc4->hvs && vc4->hvs->hvs5)
+- clk_set_min_rate(hvs->core_clk, 500000000);
++ core_req = clk_request_start(hvs->core_clk, 500000000);
+
+ drm_atomic_helper_wait_for_fences(dev, state, false);
+
+@@ -358,7 +359,7 @@ vc4_atomic_complete_commit(struct drm_at
+ drm_atomic_helper_commit_cleanup_done(state);
+
+ if (vc4->hvs && vc4->hvs->hvs5)
+- clk_set_min_rate(hvs->core_clk, 0);
++ clk_request_done(core_req);
+
+ drm_atomic_state_put(state);
+