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| author | Rob Clark <robdclark@chromium.org> | 2023-01-10 15:14:42 -0800 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2023-01-16 10:40:18 -0800 |
| commit | 6563f60f14cbb3dcbdc4e1d8469fc0fbaaa80544 (patch) | |
| tree | b7bb7cc645d7e1ab6c3450e92c5a2bebe77f5a5e /drivers/gpu/drm/msm/msm_drv.h | |
| parent | 3cba4a2cdff3afe0b057fa4ab200598d3b41d09a (diff) | |
| download | lwn-6563f60f14cbb3dcbdc4e1d8469fc0fbaaa80544.tar.gz lwn-6563f60f14cbb3dcbdc4e1d8469fc0fbaaa80544.zip | |
drm/msm/gpu: Add devfreq tuning debugfs
Make the handful of tuning knobs available visible via debugfs.
v2: select DEVFREQ_GOV_SIMPLE_ONDEMAND because for some reason
struct devfreq_simple_ondemand_data depends on this
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/517784/
Link: https://lore.kernel.org/r/20230110231447.1939101-2-robdclark@gmail.com
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index d4e0ef608950..81deb112ea44 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <linux/clk.h> #include <linux/cpufreq.h> +#include <linux/devfreq.h> #include <linux/module.h> #include <linux/component.h> #include <linux/platform_device.h> @@ -233,6 +234,14 @@ struct msm_drm_private { */ unsigned int hangcheck_period; + /** gpu_devfreq_config: Devfreq tuning config for the GPU. */ + struct devfreq_simple_ondemand_data gpu_devfreq_config; + + /** + * gpu_clamp_to_idle: Enable clamping to idle freq when inactive + */ + bool gpu_clamp_to_idle; + /** * disable_err_irq: * |