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Add patches for BPI-R2

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This commit is contained in:
Ycarus (Yannick Chabanois) 2020-04-20 09:45:14 +02:00
parent b1be088d7f
commit 8b04e8ac65
23 changed files with 2179 additions and 15 deletions
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68
root/target/linux/mediatek/patches-5.4/0180-lima-power-on-off.patch Normal file
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@ -0,0 +1,68 @@
From d87e1a23e51158f9c2923f6213a42d5e942a4091 Mon Sep 17 00:00:00 2001
From: Frank Wunderlich <frank-w@public-files.de>
Date: Thu, 23 Jan 2020 07:16:30 +0100
Subject: [PATCH] lima: power on/off via register (function)
---
drivers/gpu/drm/lima/lima_device.c | 31 ++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/drivers/gpu/drm/lima/lima_device.c b/drivers/gpu/drm/lima/lima_device.c
index d86b8d81a483..7d5d45e176f2 100644
--- a/drivers/gpu/drm/lima/lima_device.c
+++ b/drivers/gpu/drm/lima/lima_device.c
@@ -6,6 +6,7 @@
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include "lima_device.h"
#include "lima_gp.h"
@@ -287,11 +288,33 @@ static void lima_fini_pp_pipe(struct lima_device *dev)
lima_sched_pipe_fini(pipe);
}
+void mtk_set_power(bool on)
+{
+ if (on) {
+ void __iomem *wakeup_register;
+ wakeup_register = ioremap(0x10003014 , 0x04);
+ writel(0x00000001,wakeup_register); // this may be wrong, may need bitbang 0th bit to 1
+ iounmap(wakeup_register);
+ }else {
+ void __iomem *powerdown_register;
+ powerdown_register = ioremap(0x1000300C , 0x04); // powerdown register
+ writel(0x00000001,powerdown_register); // this may be wrong, may need bitbang 0th bit to 1
+ iounmap(powerdown_register);
+ }
+}
+
int lima_device_init(struct lima_device *ldev)
{
int err, i;
struct resource *res;
+ #ifdef CONFIG_MTK_COMBO_CHIP_CONSYS_7623
+ mtk_set_power(true);
+ pm_runtime_enable(ldev->dev);
+ pm_runtime_set_active(ldev->dev);
+ pm_runtime_get_sync(ldev->dev);
+ #endif
+
dma_set_coherent_mask(ldev->dev, DMA_BIT_MASK(32));
err = lima_clk_init(ldev);
@@ -385,4 +408,12 @@ void lima_device_fini(struct lima_device *ldev)
lima_regulator_fini(ldev);
lima_clk_fini(ldev);
+
+ #ifdef CONFIG_MTK_COMBO_CHIP_CONSYS_7623
+ pm_runtime_set_suspended(ldev->dev);
+ pm_runtime_put_noidle(ldev->dev);
+ pm_runtime_disable(ldev->dev);
+
+ mtk_set_power(false);
+ #endif
}