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Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0767-clk-bcm2835-Disable-v3d-clock.patch')
-rw-r--r--target/linux/bcm27xx/patches-4.19/950-0767-clk-bcm2835-Disable-v3d-clock.patch58
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0767-clk-bcm2835-Disable-v3d-clock.patch b/target/linux/bcm27xx/patches-4.19/950-0767-clk-bcm2835-Disable-v3d-clock.patch
new file mode 100644
index 0000000000..34de4de8aa
--- /dev/null
+++ b/target/linux/bcm27xx/patches-4.19/950-0767-clk-bcm2835-Disable-v3d-clock.patch
@@ -0,0 +1,58 @@
+From e8e99169991da84d59f1ed70de9621e31b67d505 Mon Sep 17 00:00:00 2001
+From: popcornmix <popcornmix@gmail.com>
+Date: Tue, 3 Sep 2019 20:28:00 +0100
+Subject: [PATCH] clk-bcm2835: Disable v3d clock
+
+This is controlled by firmware, see clk-raspberrypi.c
+
+Signed-off-by: popcornmix <popcornmix@gmail.com>
+---
+ drivers/clk/bcm/clk-bcm2835.c | 30 ++++++++++++------------------
+ 1 file changed, 12 insertions(+), 18 deletions(-)
+
+--- a/drivers/clk/bcm/clk-bcm2835.c
++++ b/drivers/clk/bcm/clk-bcm2835.c
+@@ -1725,16 +1725,12 @@ static const struct bcm2835_clk_desc clk
+ .hold_mask = CM_PLLA_HOLDCORE,
+ .fixed_divider = 1,
+ .flags = CLK_SET_RATE_PARENT),
+- [BCM2835_PLLA_PER] = REGISTER_PLL_DIV(
+- SOC_ALL,
+- .name = "plla_per",
+- .source_pll = "plla",
+- .cm_reg = CM_PLLA,
+- .a2w_reg = A2W_PLLA_PER,
+- .load_mask = CM_PLLA_LOADPER,
+- .hold_mask = CM_PLLA_HOLDPER,
+- .fixed_divider = 1,
+- .flags = CLK_SET_RATE_PARENT),
++
++ /*
++ * PLLA_PER is used for gpu clocks. Controlled by firmware, see
++ * clk-raspberrypi.c.
++ */
++
+ [BCM2835_PLLA_DSI0] = REGISTER_PLL_DIV(
+ SOC_ALL,
+ .name = "plla_dsi0",
+@@ -2007,14 +2003,12 @@ static const struct bcm2835_clk_desc clk
+ .int_bits = 6,
+ .frac_bits = 0,
+ .tcnt_mux = 3),
+- [BCM2835_CLOCK_V3D] = REGISTER_VPU_CLK(
+- SOC_ALL,
+- .name = "v3d",
+- .ctl_reg = CM_V3DCTL,
+- .div_reg = CM_V3DDIV,
+- .int_bits = 4,
+- .frac_bits = 8,
+- .tcnt_mux = 4),
++
++ /*
++ * CLOCK_V3D is used for v3d clock. Controlled by firmware, see
++ * clk-raspberrypi.c.
++ */
++
+ /*
+ * VPU clock. This doesn't have an enable bit, since it drives
+ * the bus for everything else, and is special so it doesn't need