diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/clk_vgpu.c | 23 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/clk_vgpu.h | 1 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/vgpu.c | 9 |
3 files changed, 25 insertions, 8 deletions
diff --git a/drivers/gpu/nvgpu/vgpu/clk_vgpu.c b/drivers/gpu/nvgpu/vgpu/clk_vgpu.c index fe5533b6..d728e02b 100644 --- a/drivers/gpu/nvgpu/vgpu/clk_vgpu.c +++ b/drivers/gpu/nvgpu/vgpu/clk_vgpu.c | |||
@@ -128,3 +128,26 @@ int vgpu_clk_get_freqs(struct device *dev, | |||
128 | 128 | ||
129 | return 0; | 129 | return 0; |
130 | } | 130 | } |
131 | |||
132 | int vgpu_clk_cap_rate(struct device *dev, unsigned long rate) | ||
133 | { | ||
134 | struct gk20a_platform *platform = gk20a_get_platform(dev); | ||
135 | struct gk20a *g = platform->g; | ||
136 | struct tegra_vgpu_cmd_msg msg = {}; | ||
137 | struct tegra_vgpu_gpu_clk_rate_params *p = &msg.params.gpu_clk_rate; | ||
138 | int err = 0; | ||
139 | |||
140 | gk20a_dbg_fn(""); | ||
141 | |||
142 | msg.cmd = TEGRA_VGPU_CMD_CAP_GPU_CLK_RATE; | ||
143 | msg.handle = vgpu_get_handle(g); | ||
144 | p->rate = (u32)rate; | ||
145 | err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); | ||
146 | err = err ? err : msg.ret; | ||
147 | if (err) { | ||
148 | nvgpu_err(g, "%s failed - %d", __func__, err); | ||
149 | return err; | ||
150 | } | ||
151 | |||
152 | return 0; | ||
153 | } | ||
diff --git a/drivers/gpu/nvgpu/vgpu/clk_vgpu.h b/drivers/gpu/nvgpu/vgpu/clk_vgpu.h index a90b63d8..4dccf04f 100644 --- a/drivers/gpu/nvgpu/vgpu/clk_vgpu.h +++ b/drivers/gpu/nvgpu/vgpu/clk_vgpu.h | |||
@@ -20,4 +20,5 @@ void vgpu_init_clk_support(struct gk20a *g); | |||
20 | long vgpu_clk_round_rate(struct device *dev, unsigned long rate); | 20 | long vgpu_clk_round_rate(struct device *dev, unsigned long rate); |
21 | int vgpu_clk_get_freqs(struct device *dev, | 21 | int vgpu_clk_get_freqs(struct device *dev, |
22 | unsigned long **freqs, int *num_freqs); | 22 | unsigned long **freqs, int *num_freqs); |
23 | int vgpu_clk_cap_rate(struct device *dev, unsigned long rate); | ||
23 | #endif | 24 | #endif |
diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c index e8a778f5..52f375f9 100644 --- a/drivers/gpu/nvgpu/vgpu/vgpu.c +++ b/drivers/gpu/nvgpu/vgpu/vgpu.c | |||
@@ -516,20 +516,13 @@ static int vgpu_qos_notify(struct notifier_block *nb, | |||
516 | container_of(nb, struct gk20a_scale_profile, | 516 | container_of(nb, struct gk20a_scale_profile, |
517 | qos_notify_block); | 517 | qos_notify_block); |
518 | struct gk20a *g = get_gk20a(profile->dev); | 518 | struct gk20a *g = get_gk20a(profile->dev); |
519 | struct tegra_vgpu_cmd_msg msg = {}; | ||
520 | struct tegra_vgpu_gpu_clk_rate_params *p = &msg.params.gpu_clk_rate; | ||
521 | u32 max_freq; | 519 | u32 max_freq; |
522 | int err; | 520 | int err; |
523 | 521 | ||
524 | gk20a_dbg_fn(""); | 522 | gk20a_dbg_fn(""); |
525 | 523 | ||
526 | max_freq = (u32)pm_qos_read_max_bound(PM_QOS_GPU_FREQ_BOUNDS); | 524 | max_freq = (u32)pm_qos_read_max_bound(PM_QOS_GPU_FREQ_BOUNDS); |
527 | 525 | err = vgpu_clk_cap_rate(profile->dev, max_freq); | |
528 | msg.cmd = TEGRA_VGPU_CMD_SET_GPU_CLK_RATE; | ||
529 | msg.handle = vgpu_get_handle_from_dev(profile->dev); | ||
530 | p->rate = max_freq; | ||
531 | err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); | ||
532 | err = err ? err : msg.ret; | ||
533 | if (err) | 526 | if (err) |
534 | nvgpu_err(g, "%s failed, err=%d", __func__, err); | 527 | nvgpu_err(g, "%s failed, err=%d", __func__, err); |
535 | 528 | ||