Commit bb36170d authored by Karthik Poosa's avatar Karthik Poosa Committed by Thomas Hellström
Browse files

drm/xe/pm: Disable D3Cold for BMG only on specific platforms 



Restrict D3Cold disablement for BMG to unsupported NUC platforms,
instead of disabling it on all platforms.

Signed-off-by: default avatarKarthik Poosa <karthik.poosa@intel.com>
Fixes: 3e331a67 ("drm/xe/pm: Temporarily disable D3Cold on BMG")
Link: https://patch.msgid.link/20260123173238.1642383-1-karthik.poosa@intel.com


Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 39125eaf)
Signed-off-by: default avatarThomas Hellström <thomas.hellstrom@linux.intel.com>
parent 16264a3b

drivers/gpu/drm/xe/xe_pm.c

+10 −3
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
#include <linux/fault-inject.h>

#include <linux/pm_runtime.h>

#include <linux/suspend.h>

#include <linux/dmi.h>



#include <drm/drm_managed.h>

#include <drm/ttm/ttm_placement.h>
@@ -357,9 +358,15 @@ ALLOW_ERROR_INJECTION(xe_pm_init_early, ERRNO); /* See xe_pci_probe() */ 


static u32 vram_threshold_value(struct xe_device *xe)

{

	/* FIXME: D3Cold temporarily disabled by default on BMG */

	if (xe->info.platform == XE_BATTLEMAGE)

	if (xe->info.platform == XE_BATTLEMAGE) {

		const char *product_name;



		product_name = dmi_get_system_info(DMI_PRODUCT_NAME);

		if (product_name && strstr(product_name, "NUC13RNG")) {

			drm_warn(&xe->drm, "BMG + D3Cold not supported on this platform\n");

			return 0;

		}

	}



	return DEFAULT_VRAM_THRESHOLD;

}