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20ea6adbf1
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>
53 lines
1.6 KiB
Diff
53 lines
1.6 KiB
Diff
From fc4570783b4552459a97dd67e20043eeb87ad09a Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Wed, 16 Mar 2022 09:51:44 +0100
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Subject: [PATCH] Revert "drm/vc4: Increase the core clock based on HVS
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load"
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This reverts commit 02c8543cc6940f8201e9beb601bd56421d911e83.
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---
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drivers/gpu/drm/vc4/vc4_drv.h | 1 -
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drivers/gpu/drm/vc4/vc4_kms.c | 13 +------------
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2 files changed, 1 insertion(+), 13 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_drv.h
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+++ b/drivers/gpu/drm/vc4/vc4_drv.h
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@@ -326,7 +326,6 @@ struct vc4_hvs {
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u32 __iomem *dlist;
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struct clk *core_clk;
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- struct clk_request *core_req;
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/* Memory manager for CRTCs to allocate space in the display
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* list. Units are dwords.
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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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@@ -402,11 +402,6 @@ static void vc4_atomic_commit_tail(struc
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500000000, state_rate);
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core_req = clk_request_start(hvs->core_clk, core_rate);
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- /*
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- * And remove the previous one based on the HVS
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- * requirements if any.
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- */
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- clk_request_done(hvs->core_req);
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}
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drm_atomic_helper_commit_modeset_disables(dev, state);
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@@ -436,14 +431,8 @@ static void vc4_atomic_commit_tail(struc
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drm_dbg(dev, "Running the core clock at %lu Hz\n",
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new_hvs_state->core_clock_rate);
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- /*
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- * Request a clock rate based on the current HVS
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- * requirements.
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- */
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- hvs->core_req = clk_request_start(hvs->core_clk,
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- new_hvs_state->core_clock_rate);
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+ clk_set_min_rate(hvs->core_clk, new_hvs_state->core_clock_rate);
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- /* And drop the temporary request */
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clk_request_done(core_req);
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drm_dbg(dev, "Core clock actual rate: %lu Hz\n",
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