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8299d1f057
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>
43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
From ccc2fa16de3fef192885831595a168a36bfdd842 Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Tue, 13 Apr 2021 14:10:03 +0100
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Subject: [PATCH] drm/vc4: hdmi: Convert to the new clock request API
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The new clock request API allows us to increase the rate of the
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core clock as required during mode set while decreasing it when
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we're done, resulting in a better power-efficiency.
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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
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---
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drivers/gpu/drm/vc4/vc4_kms.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_kms.c
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+++ b/drivers/gpu/drm/vc4/vc4_kms.c
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@@ -313,6 +313,7 @@ vc4_atomic_complete_commit(struct drm_at
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struct vc4_hvs *hvs = vc4->hvs;
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struct drm_crtc_state *new_crtc_state;
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struct drm_crtc *crtc;
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+ struct clk_request *core_req;
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int i;
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for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
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@@ -326,7 +327,7 @@ vc4_atomic_complete_commit(struct drm_at
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}
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if (vc4->hvs && vc4->hvs->hvs5)
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- clk_set_min_rate(hvs->core_clk, 500000000);
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+ core_req = clk_request_start(hvs->core_clk, 500000000);
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drm_atomic_helper_wait_for_fences(dev, state, false);
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@@ -358,7 +359,7 @@ vc4_atomic_complete_commit(struct drm_at
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drm_atomic_helper_commit_cleanup_done(state);
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if (vc4->hvs && vc4->hvs->hvs5)
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- clk_set_min_rate(hvs->core_clk, 0);
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+ clk_request_done(core_req);
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drm_atomic_state_put(state);
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