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

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

Signed-off-by: Karthik Poosa <karthik.poosa@intel.com>
Fixes: 3e331a6715 ("drm/xe/pm: Temporarily disable D3Cold on BMG")
Link: https://patch.msgid.link/20260123173238.1642383-1-karthik.poosa@intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 39125eaf88)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Karthik Poosa 2026-01-23 23:02:38 +05:30 committed by Rodrigo Vivi
parent 51cedb93da
commit 666c654a5a
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GPG Key ID: FA625F640EEB13CA
1 changed files with 10 additions and 3 deletions
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13
drivers/gpu/drm/xe/xe_pm.c
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@ -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>
@ -366,9 +367,15 @@ 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)
return 0;
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;
}