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MALI: bifrost: rk: add definition and implementation of CLK_RATE_TRACE_OPS

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Picked from ./platform/devicetree/.

This makes GPU utilisation info available and resolve the warning log below:
[   19.641700][   T83] WARNING: CPU: 0 PID: 83 at drivers/gpu/arm/bifrost/csf/ipa_control/mali_kbase_csf_ipa_control.c:239 kbase_ipa_control_handle_gpu_power_off+0x128/0x198

Signed-off-by: Zhen Chen <chenzhen@rock-chips.com>
Change-Id: I7ce8d0f52d6340659b2c9ca9692c48043e1060c1
This commit is contained in:
Zhen Chen
2021-11-16 19:08:48 +08:00
committed by Tao Huang
parent c61bb449b9
commit 583d67f999
2 changed files with 51 additions and 0 deletions
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2
drivers/gpu/arm/bifrost/platform/rk/mali_kbase_config_platform.h
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@@ -86,3 +86,5 @@ extern struct kbase_platform_funcs_conf platform_funcs;
*/
#define SECURE_CALLBACKS (NULL)
#define CLK_RATE_TRACE_OPS (&clk_rate_trace_ops)
extern struct kbase_clk_rate_trace_op_conf clk_rate_trace_ops;

49
drivers/gpu/arm/bifrost/platform/rk/mali_kbase_config_rk.c
View File

@@ -16,6 +16,11 @@
#include <backend/gpu/mali_kbase_pm_internal.h>
#include <backend/gpu/mali_kbase_pm_defs.h>
#if MALI_USE_CSF
#include <asm/arch_timer.h>
#endif
#include <linux/clk.h>
#include <linux/pm_runtime.h>
#include <linux/suspend.h>
#include <linux/of.h>
@@ -457,3 +462,47 @@ int kbase_platform_rk_init_opp_table(struct kbase_device *kbdev)
return rockchip_init_opp_table(kbdev->dev, NULL,
"gpu_leakage", "mali");
}
/*---------------------------------------------------------------------------*/
static void *enumerate_gpu_clk(struct kbase_device *kbdev,
unsigned int index)
{
if (index >= kbdev->nr_clocks)
return NULL;
return kbdev->clocks[index];
}
static unsigned long get_gpu_clk_rate(struct kbase_device *kbdev,
void *gpu_clk_handle)
{
return clk_get_rate((struct clk *)gpu_clk_handle);
}
static int gpu_clk_notifier_register(struct kbase_device *kbdev,
void *gpu_clk_handle, struct notifier_block *nb)
{
compiletime_assert(offsetof(struct clk_notifier_data, clk) ==
offsetof(struct kbase_gpu_clk_notifier_data, gpu_clk_handle),
"mismatch in the offset of clk member");
compiletime_assert(sizeof(((struct clk_notifier_data *)0)->clk) ==
sizeof(((struct kbase_gpu_clk_notifier_data *)0)->gpu_clk_handle),
"mismatch in the size of clk member");
return clk_notifier_register((struct clk *)gpu_clk_handle, nb);
}
static void gpu_clk_notifier_unregister(struct kbase_device *kbdev,
void *gpu_clk_handle, struct notifier_block *nb)
{
clk_notifier_unregister((struct clk *)gpu_clk_handle, nb);
}
struct kbase_clk_rate_trace_op_conf clk_rate_trace_ops = {
.get_gpu_clk_rate = get_gpu_clk_rate,
.enumerate_gpu_clk = enumerate_gpu_clk,
.gpu_clk_notifier_register = gpu_clk_notifier_register,
.gpu_clk_notifier_unregister = gpu_clk_notifier_unregister,
};