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path: root/drivers/gpu/drm/msm/msm_gpu.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_gpu.c')
-rw-r--r--drivers/gpu/drm/msm/msm_gpu.c49
1 files changed, 29 insertions, 20 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index 5e808cfec345..11aac8337066 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -41,7 +41,11 @@ static int msm_devfreq_target(struct device *dev, unsigned long *freq,
if (IS_ERR(opp))
return PTR_ERR(opp);
- clk_set_rate(gpu->core_clk, *freq);
+ if (gpu->funcs->gpu_set_freq)
+ gpu->funcs->gpu_set_freq(gpu, (u64)*freq);
+ else
+ clk_set_rate(gpu->core_clk, *freq);
+
dev_pm_opp_put(opp);
return 0;
@@ -51,16 +55,14 @@ static int msm_devfreq_get_dev_status(struct device *dev,
struct devfreq_dev_status *status)
{
struct msm_gpu *gpu = platform_get_drvdata(to_platform_device(dev));
- u64 cycles;
- u32 freq = ((u32) status->current_frequency) / 1000000;
ktime_t time;
- status->current_frequency = (unsigned long) clk_get_rate(gpu->core_clk);
- gpu->funcs->gpu_busy(gpu, &cycles);
-
- status->busy_time = ((u32) (cycles - gpu->devfreq.busy_cycles)) / freq;
+ if (gpu->funcs->gpu_get_freq)
+ status->current_frequency = gpu->funcs->gpu_get_freq(gpu);
+ else
+ status->current_frequency = clk_get_rate(gpu->core_clk);
- gpu->devfreq.busy_cycles = cycles;
+ status->busy_time = gpu->funcs->gpu_busy(gpu);
time = ktime_get();
status->total_time = ktime_us_delta(time, gpu->devfreq.time);
@@ -73,7 +75,10 @@ static int msm_devfreq_get_cur_freq(struct device *dev, unsigned long *freq)
{
struct msm_gpu *gpu = platform_get_drvdata(to_platform_device(dev));
- *freq = (unsigned long) clk_get_rate(gpu->core_clk);
+ if (gpu->funcs->gpu_get_freq)
+ *freq = gpu->funcs->gpu_get_freq(gpu);
+ else
+ *freq = clk_get_rate(gpu->core_clk);
return 0;
}
@@ -88,7 +93,7 @@ static struct devfreq_dev_profile msm_devfreq_profile = {
static void msm_devfreq_init(struct msm_gpu *gpu)
{
/* We need target support to do devfreq */
- if (!gpu->funcs->gpu_busy || !gpu->core_clk)
+ if (!gpu->funcs->gpu_busy)
return;
msm_devfreq_profile.initial_freq = gpu->fast_rate;
@@ -105,6 +110,8 @@ static void msm_devfreq_init(struct msm_gpu *gpu)
dev_err(&gpu->pdev->dev, "Couldn't initialize GPU devfreq\n");
gpu->devfreq.devfreq = NULL;
}
+
+ devfreq_suspend_device(gpu->devfreq.devfreq);
}
static int enable_pwrrail(struct msm_gpu *gpu)
@@ -184,6 +191,14 @@ static int disable_axi(struct msm_gpu *gpu)
return 0;
}
+void msm_gpu_resume_devfreq(struct msm_gpu *gpu)
+{
+ gpu->devfreq.busy_cycles = 0;
+ gpu->devfreq.time = ktime_get();
+
+ devfreq_resume_device(gpu->devfreq.devfreq);
+}
+
int msm_gpu_pm_resume(struct msm_gpu *gpu)
{
int ret;
@@ -202,12 +217,7 @@ int msm_gpu_pm_resume(struct msm_gpu *gpu)
if (ret)
return ret;
- if (gpu->devfreq.devfreq) {
- gpu->devfreq.busy_cycles = 0;
- gpu->devfreq.time = ktime_get();
-
- devfreq_resume_device(gpu->devfreq.devfreq);
- }
+ msm_gpu_resume_devfreq(gpu);
gpu->needs_hw_init = true;
@@ -220,8 +230,7 @@ int msm_gpu_pm_suspend(struct msm_gpu *gpu)
DBG("%s", gpu->name);
- if (gpu->devfreq.devfreq)
- devfreq_suspend_device(gpu->devfreq.devfreq);
+ devfreq_suspend_device(gpu->devfreq.devfreq);
ret = disable_axi(gpu);
if (ret)
@@ -367,8 +376,8 @@ static void msm_gpu_crashstate_capture(struct msm_gpu *gpu,
msm_gpu_devcoredump_read, msm_gpu_devcoredump_free);
}
#else
-static void msm_gpu_crashstate_capture(struct msm_gpu *gpu, char *comm,
- char *cmd)
+static void msm_gpu_crashstate_capture(struct msm_gpu *gpu,
+ struct msm_gem_submit *submit, char *comm, char *cmd)
{
}
#endif