[PATCH <i-g-t> v1 1/2] Add support for xe in runtime pm

[Riana Tauro]

Hi Soham

You need to re-order the patches. The lib patch needs to be first.
Every patch has to compile successfully.

adding this patch first will cause an error.

Thanks
Riana

On 3/17/2025 1:58 PM, Soham Purkait wrote:
> Add support for runtime power management
> for Xe driver along with existing i915
> support
> 
> v1 :  Updated references from "i915" to
>        "generic GPU driver" to include support
>        for the xe driver, ensuring clarity and
>        consistency
> 
> Signed-off-by: Soham Purkait <soham.purkait at intel.com>
> ---
>   tools/intel_pm_rpm.c | 28 ++++++++++++++++------------
>   1 file changed, 16 insertions(+), 12 deletions(-)
> 
> diff --git a/tools/intel_pm_rpm.c b/tools/intel_pm_rpm.c
> index 08c25ca8a..8c4778e4f 100644
> --- a/tools/intel_pm_rpm.c
> +++ b/tools/intel_pm_rpm.c
> @@ -35,7 +35,7 @@
>   #include "igt_pm.h"
>   
>   #define DONT_SET_AUTOSUSPEND_DELAY (1 << 0)
> -#define SET_I915_AUTOSUSPEND_DELAY (1 << 1)
> +#define SET_AUTOSUSPEND_DELAY (1 << 1)
>   
>   typedef struct {
>   	int drm_fd;
> @@ -47,8 +47,8 @@ typedef struct {
>   const char *help_str =
>   	"  --disable-display-wait\t\tDisable all screens and try to go into runtime pm.\n"
>   	"  --force-d3cold-wait\t\tForce dgfx gfx card to enter runtime D3Cold.\n"
> -	"  --setup-d3cold\t\tEnable gfx card runtime pm and optionally set autosupend delay to"
> -	"  i915 autosuspend delay. Use --setup-d3cold=i915-auto-delay as optional argument.\n"
> +	"  --setup-d3cold\t\tEnable gfx card runtime pm and optionally set GPU driver's"
> +	"  autosuspend delay. Use --setup-d3cold=auto-delay as optional argument.\n"
>   	"  --help\t\tProvide help. Provide card name with IGT_DEVICE=drm:/dev/dri/card*.";
>   static struct option long_options[] = {
>   	{"disable-display-wait", 0, 0, 'd'},
> @@ -80,14 +80,14 @@ static void disable_all_displays(data_t *data)
>   static void
>   setup_gfx_card_d3cold(data_t *data, unsigned char setup_d3cold)
>   {
> -	struct pci_device *root, *i915;
> +	struct pci_device *root, *gpu_device;
>   
>   	root = igt_device_get_pci_root_port(data->drm_fd);
>   	if (setup_d3cold == DONT_SET_AUTOSUSPEND_DELAY) {
>   		igt_pm_enable_pci_card_runtime_pm(root, NULL);
> -	} else if (setup_d3cold == SET_I915_AUTOSUSPEND_DELAY) {
> -		i915 = igt_device_get_pci_device(data->drm_fd);
> -		igt_pm_enable_pci_card_runtime_pm(root, i915);
> +	} else if (setup_d3cold == SET_AUTOSUSPEND_DELAY) {
> +		gpu_device = igt_device_get_pci_device(data->drm_fd);
> +		igt_pm_enable_pci_card_runtime_pm(root, gpu_device);
>   	}
>   
>   	igt_info("Enabled pci devs runtime pm under Root port %04x:%02x:%02x.%01x\n",
> @@ -151,7 +151,8 @@ int main(int argc, char *argv[])
>   			goto exit;
>   		}
>   	} else {
> -		if (!igt_device_find_first_i915_discrete_card(&card)) {
> +		if (!igt_device_find_first_i915_discrete_card(&card) &&
> +		    !igt_device_find_first_xe_discrete_card(&card)) {
>   			igt_warn("No discrete gpu found\n");
>   			ret = EXIT_FAILURE;
>   			goto exit;
> @@ -169,8 +170,8 @@ int main(int argc, char *argv[])
>   			break;
>   		case 's':
>   			if (optarg) {
> -				if (!strcmp(optarg, "i915-auto-delay")) {
> -					setup_d3cold = SET_I915_AUTOSUSPEND_DELAY;
> +				if (!strcmp(optarg, "auto-delay")) {
> +					setup_d3cold = SET_AUTOSUSPEND_DELAY;
>   				} else	{
>   					usage(argv[0]);
>   					ret = EXIT_SUCCESS;
> @@ -203,7 +204,7 @@ int main(int argc, char *argv[])
>   		kmstest_set_vt_graphics_mode();
>   		igt_display_require(&data.display, data.drm_fd);
>   
> -		/* i915 disables RPM in case DMC is not loaded on kms supported cards */
> +		/* GPU driver disables RPM in case DMC is not loaded on kms supported cards */
>   		if (!igt_pm_dmc_loaded(data.debugfs_fd)) {
>   			igt_warn("dmc fw is not loaded, no runtime pm\n");
>   			ret = EXIT_FAILURE;
> @@ -215,7 +216,10 @@ int main(int argc, char *argv[])
>   		igt_setup_runtime_pm(data.drm_fd);
>   		disable_all_displays(&data);
>   		if (!igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_SUSPENDED)) {
> -			__igt_debugfs_dump(data.drm_fd, "i915_runtime_pm_status", IGT_LOG_INFO);
> +			if (!strcmp("i915", card.driver))
> +				__igt_debugfs_dump(data.drm_fd,
> +						   "i915_runtime_pm_status",
> +						   IGT_LOG_INFO);
>   			ret = EXIT_FAILURE;
>   			goto exit;
>   		}