<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> [AMD Official Use Only] <div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> </div> <div><span style="font-family: "segoe ui", "segoe ui web (west european)", "segoe ui", -apple-system, blinkmacsystemfont, roboto, "helvetica neue", sans-serif; font-size: 12pt; color: rgb(50, 49, 48); background-color: rgba(0, 0, 0, 0);">Please optimize the following code together in new generic function. </div> <div><span style="background-color: rgba(0, 0, 0, 0); color: rgb(50, 49, 48); font-family: "segoe ui", "segoe ui web (west european)", "segoe ui", -apple-system, blinkmacsystemfont, roboto, "helvetica neue", sans-serif; font-size: 12pt;"> </div> <div><span style="background-color: rgba(0, 0, 0, 0); color: rgb(50, 49, 48); font-family: "segoe ui", "segoe ui web (west european)", "segoe ui", -apple-system, blinkmacsystemfont, roboto, "helvetica neue", sans-serif; font-size: 12pt;">if (pp_funcs && pp_funcs->get_power_limit){} </div> <div><span style="background-color: rgba(0, 0, 0, 0); color: rgb(50, 49, 48); font-family: "segoe ui", "segoe ui web (west european)", "segoe ui", -apple-system, blinkmacsystemfont, roboto, "helvetica neue", sans-serif; font-size: 12pt;">please check above codes before calling pm_runtime_xxx interfaces to avoid empty operation in pm_runtime cycle.</div> <div> </div> <div>Reviewed-by: Kevin Wang <kevin1.wang@amd.com></div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> </div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> <span style="margin: 0px; font-size: 12pt; font-family: "segoe ui", "segoe ui web (west european)", "segoe ui", -apple-system, blinkmacsystemfont, roboto, "helvetica neue", sans-serif; color: rgb(50, 49, 48); background-color: rgba(0, 0, 0, 0);">Best Regards,</div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> <span style="margin: 0px; font-size: 12pt; font-family: "segoe ui", "segoe ui web (west european)", "segoe ui", -apple-system, blinkmacsystemfont, roboto, "helvetica neue", sans-serif; color: rgb(50, 49, 48); background-color: rgba(0, 0, 0, 0);">Kevin</div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="divRplyFwdMsg" dir="ltr">From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Darren Powell <darren.powell@amd.com> Sent: Tuesday, June 22, 2021 12:17 PM To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org> Cc: Powell, Darren <Darren.Powell@amd.com> Subject: [PATCH 1/1] amdgpu/pm: remove code duplication in show_power_cap calls <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">created generic function and call with enum from * amdgpu_hwmon_show_power_cap_max * amdgpu_hwmon_show_power_cap * amdgpu_hwmon_show_power_cap_default === Test === AMDGPU_PCI_ADDR=`lspci -nn | grep "VGA\|Display" | cut -d " " -f 1` AMDGPU_HWMON=`ls -la /sys/class/hwmon | grep $AMDGPU_PCI_ADDR | cut -d " " -f 10` HWMON_DIR=/sys/class/hwmon/${AMDGPU_HWMON} cp pp_show_power_cap.txt{,.old} lspci -nn | grep "VGA\|Display" > pp_show_power_cap.test.log FILES=" power1_cap power1_cap_max power1_cap_default " for f in $FILES do echo $f = `cat $HWMON_DIR/$f` >> pp_show_power_cap.test.log done Signed-off-by: Darren Powell <darren.powell@amd.com> --- drivers/gpu/drm/amd/pm/amdgpu_pm.c | 86 +++++------------------------- 1 file changed, 14 insertions(+), 72 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index b2335a1d3f98..99c21d1a2c4e 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -2901,14 +2901,14 @@ static ssize_t amdgpu_hwmon_show_power_cap_min(struct device *dev, return sprintf(buf, "%i\n", 0); } -static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t amdgpu_hwmon_show_power_cap_generic(struct device *dev, + struct device_attribute *attr, + char *buf, + enum pp_power_limit_level pp_limit_level) { struct amdgpu_device *adev = dev_get_drvdata(dev); const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; enum pp_power_type power_type = to_sensor_dev_attr(attr)->index; - enum pp_power_limit_level pp_limit_level = PP_PWR_LIMIT_MAX; uint32_t limit; ssize_t size; int r; @@ -2941,85 +2941,27 @@ static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev, return size; } -static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev, +static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev, struct device_attribute *attr, char *buf) { - struct amdgpu_device *adev = dev_get_drvdata(dev); - const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; - enum pp_power_type power_type = to_sensor_dev_attr(attr)->index; - enum pp_power_limit_level pp_limit_level = PP_PWR_LIMIT_CURRENT; - uint32_t limit; - ssize_t size; - int r; - - if (amdgpu_in_reset(adev)) - return -EPERM; - if (adev->in_suspend && !adev->in_runpm) - return -EPERM; - - r = pm_runtime_get_sync(adev_to_drm(adev)->dev); - if (r < 0) { - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - return r; - } - - if (pp_funcs && pp_funcs->get_power_limit) - r = pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, - pp_limit_level, power_type); - else - r = -ENODATA; - - if (!r) - size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000); - else - size = snprintf(buf, PAGE_SIZE, "\n"); - - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_MAX); +} - return size; +static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_CURRENT); } static ssize_t amdgpu_hwmon_show_power_cap_default(struct device *dev, struct device_attribute *attr, char *buf) { - struct amdgpu_device *adev = dev_get_drvdata(dev); - const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; - enum pp_power_type power_type = to_sensor_dev_attr(attr)->index; - enum pp_power_limit_level pp_limit_level = PP_PWR_LIMIT_DEFAULT; - uint32_t limit; - ssize_t size; - int r; - - if (amdgpu_in_reset(adev)) - return -EPERM; - if (adev->in_suspend && !adev->in_runpm) - return -EPERM; - - r = pm_runtime_get_sync(adev_to_drm(adev)->dev); - if (r < 0) { - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - return r; - } - - if (pp_funcs && pp_funcs->get_power_limit) - r = pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, - pp_limit_level, power_type); - else - r = -ENODATA; - - if (!r) - size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000); - else - size = snprintf(buf, PAGE_SIZE, "\n"); - - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); - pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - - return size; + return amdgpu_hwmon_show_power_cap_generic(dev, attr, buf, PP_PWR_LIMIT_DEFAULT); } + static ssize_t amdgpu_hwmon_show_power_label(struct device *dev, struct device_attribute *attr, char *buf) base-commit: 1971ad5abcd8575efd12d2e6639fd8f58210a8d8 -- 2.31.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org <a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7CKevin1.Wang%40amd.com%7C502816aea3734f79bf5208d93534af53%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637599322688052639%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=FnBkxT957mNoTpd3jnEHBYQZV3ImGOfmy3K0ToGKNII%3D&reserved=0">https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7CKevin1.Wang%40amd.com%7C502816aea3734f79bf5208d93534af53%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637599322688052639%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=FnBkxT957mNoTpd3jnEHBYQZV3ImGOfmy3K0ToGKNII%3D&reserved=0</a> </div> </div> </div> </body> </html>